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[ Upstream commit b699d0035836f6712917a41e7ae58d84359b8ff9 ]
Since iptunnel_pull_header() can call pskb_may_pull(),
we must reload any pointer that was related to skb->head.
Fixes: a09a4c8dd1ec ("tunnels: Remove encapsulation offloads on decap")
Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 48a1df65334b74bd7531f932cca5928932abf769 ]
This is a defense-in-depth measure in response to bugs like
4d6fa57b4dab ("macsec: avoid heap overflow in skb_to_sgvec"). There's
not only a potential overflow of sglist items, but also a stack overflow
potential, so we fix this by limiting the amount of recursion this function
is allowed to do. Not actually providing a bounded base case is a future
disaster that we can easily avoid here.
As a small matter of house keeping, we take this opportunity to move the
documentation comment over the actual function the documentation is for.
While this could be implemented by using an explicit stack of skbuffs,
when implementing this, the function complexity increased considerably,
and I don't think such complexity and bloat is actually worth it. So,
instead I built this and tested it on x86, x86_64, ARM, ARM64, and MIPS,
and measured the stack usage there. I also reverted the recent MIPS
changes that give it a separate IRQ stack, so that I could experience
some worst-case situations. I found that limiting it to 24 layers deep
yielded a good stack usage with room for safety, as well as being much
deeper than any driver actually ever creates.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: David Howells <dhowells@redhat.com>
Cc: Sabrina Dubroca <sd@queasysnail.net>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 6ea44adce91526700535b3150f77f8639ae8c82d ]
If you attempt a TCP mount from an host that is unreachable in a way
that triggers an immediate error from kernel_connect(), that error
does not propagate up, instead EAGAIN is reported.
This results in call_connect_status receiving the wrong error.
A case that it easy to demonstrate is to attempt to mount from an
address that results in ENETUNREACH, but first deleting any default
route.
Without this patch, the mount.nfs process is persistently runnable
and is hard to kill. With this patch it exits as it should.
The problem is caused by the fact that xs_tcp_force_close() eventually
calls
xprt_wake_pending_tasks(xprt, -EAGAIN);
which causes an error return of -EAGAIN. so when xs_tcp_setup_sock()
calls
xprt_wake_pending_tasks(xprt, status);
the status is ignored.
Fixes: 4efdd92c9211 ("SUNRPC: Remove TCP client connection reset hack")
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 7ae0c649c47f1c5d2db8cee6dd75855970af1669 ]
If the rds_sock is not added to the bind_hash_table, we must
reset rs_bound_addr so that rds_remove_bound will not trip on
this rds_sock.
rds_add_bound() does a rds_sock_put() in this failure path, so
failing to reset rs_bound_addr will result in a socket refcount
bug, and will trigger a WARN_ON with the stack shown below when
the application subsequently tries to close the PF_RDS socket.
WARNING: CPU: 20 PID: 19499 at net/rds/af_rds.c:496 \
rds_sock_destruct+0x15/0x30 [rds]
:
__sk_destruct+0x21/0x190
rds_remove_bound.part.13+0xb6/0x140 [rds]
rds_release+0x71/0x120 [rds]
sock_release+0x1a/0x70
sock_close+0xe/0x20
__fput+0xd5/0x210
task_work_run+0x82/0xa0
do_exit+0x2ce/0xb30
? syscall_trace_enter+0x1cc/0x2b0
do_group_exit+0x39/0xa0
SyS_exit_group+0x10/0x10
do_syscall_64+0x61/0x1a0
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 820da5357572715c6235ba3b3daa2d5b43a1198f ]
Report offset parameter in L2TP_CMD_SESSION_GET command if
it has been configured by userspace
Fixes: 309795f4bec ("l2tp: Add netlink control API for L2TP")
Reported-by: Jianlin Shi <jishi@redhat.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 0908cf4dfef35fc6ac12329007052ebe93ff1081 ]
There is a race condition in llc_ui_bind if two or more processes/threads
try to bind a same socket.
If more processes/threads bind a same socket success that will lead to
two problems, one is this action is not what we expected, another is
will lead to kernel in unstable status or oops(in my simple test case,
cause llc2.ko can't unload).
The current code is test SOCK_ZAPPED bit to avoid a process to
bind a same socket twice but that is can't avoid more processes/threads
try to bind a same socket at the same time.
So, add lock_sock in llc_ui_bind like others, such as llc_ui_connect.
Signed-off-by: Lin Zhang <xiaolou4617@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 7c3f1875c66fbc19762760097cabc91849ea0bbb ]
The default value for somaxconn is set in sysctl_core_net_init(), but this
function is not called when kernel is configured without CONFIG_SYSCTL.
This results in the kernel not being able to accept TCP connections,
because the backlog has zero size. Usually, the user ends up with:
"TCP: request_sock_TCP: Possible SYN flooding on port 7. Dropping request. Check SNMP counters."
If SYN cookies are not enabled the connection is rejected.
Before ef547f2ac16 (tcp: remove max_qlen_log), the effects were less
severe, because the backlog was always at least eight slots long.
Signed-off-by: Roman Kapl <roman.kapl@sysgo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit d0e1a1b5a833b625c93d3d49847609350ebd79db ]
Paul Fiterau Brostean reported :
<quote>
Linux TCP stack we analyze exhibits behavior that seems odd to me.
The scenario is as follows (all packets have empty payloads, no window
scaling, rcv/snd window size should not be a factor):
TEST HARNESS (CLIENT) LINUX SERVER
1. - LISTEN (server listen,
then accepts)
2. - --> <SEQ=100><CTL=SYN> --> SYN-RECEIVED
3. - <-- <SEQ=300><ACK=101><CTL=SYN,ACK> <-- SYN-RECEIVED
4. - --> <SEQ=101><ACK=301><CTL=ACK> --> ESTABLISHED
5. - <-- <SEQ=301><ACK=101><CTL=FIN,ACK> <-- FIN WAIT-1 (server
opts to close the data connection calling "close" on the connection
socket)
6. - --> <SEQ=101><ACK=99999><CTL=FIN,ACK> --> CLOSING (client sends
FIN,ACK with not yet sent acknowledgement number)
7. - <-- <SEQ=302><ACK=102><CTL=ACK> <-- CLOSING (ACK is 102
instead of 101, why?)
... (silence from CLIENT)
8. - <-- <SEQ=301><ACK=102><CTL=FIN,ACK> <-- CLOSING
(retransmission, again ACK is 102)
Now, note that packet 6 while having the expected sequence number,
acknowledges something that wasn't sent by the server. So I would
expect
the packet to maybe prompt an ACK response from the server, and then be
ignored. Yet it is not ignored and actually leads to an increase of the
acknowledgement number in the server's retransmission of the FIN,ACK
packet. The explanation I found is that the FIN in packet 6 was
processed, despite the acknowledgement number being unacceptable.
Further experiments indeed show that the server processes this FIN,
transitioning to CLOSING, then on receiving an ACK for the FIN it had
send in packet 5, the server (or better said connection) transitions
from CLOSING to TIME_WAIT (as signaled by netstat).
</quote>
Indeed, tcp_rcv_state_process() calls tcp_ack() but
does not exploit the @acceptable status but for TCP_SYN_RECV
state.
What we want here is to send a challenge ACK, if not in TCP_SYN_RECV
state. TCP_FIN_WAIT1 state is not the only state we should fix.
Add a FLAG_NO_CHALLENGE_ACK so that tcp_rcv_state_process()
can choose to send a challenge ACK and discard the packet instead
of wrongly change socket state.
With help from Neal Cardwell.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Paul Fiterau Brostean <p.fiterau-brostean@science.ru.nl>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit fefa92679dbe0c613e62b6c27235dcfbe9640ad1 ]
If nf_conntrack_htable_size was adjusted by the user during the ct
dump operation, we may invoke nf_ct_put twice for the same ct, i.e.
the "last" ct. This will cause the ct will be freed but still linked
in hash buckets.
It's very easy to reproduce the problem by the following commands:
# while : ; do
echo $RANDOM > /proc/sys/net/netfilter/nf_conntrack_buckets
done
# while : ; do
conntrack -L
done
# iperf -s 127.0.0.1 &
# iperf -c 127.0.0.1 -P 60 -t 36000
After a while, the system will hang like this:
NMI watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [bash:20184]
NMI watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [iperf:20382]
...
So at last if we find cb->args[1] is equal to "last", this means hash
resize happened, then we can set cb->args[1] to 0 to fix the above
issue.
Fixes: d205dc40798d ("[NETFILTER]: ctnetlink: fix deadlock in table dumping")
Signed-off-by: Liping Zhang <zlpnobody@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 293dffaad8d500e1a5336eeb90d544cf40d4fbd8 ]
If there is not enough space then ceph_decode_32_safe() does a goto bad.
We need to return an error code in that situation. The current code
returns ERR_PTR(0) which is NULL. The callers are not expecting that
and it results in a NULL dereference.
Fixes: f24e9980eb86 ("ceph: OSD client")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit a611c58b3d42a92e6b23423e166dd17c0c7fffce ]
This patch fixes the kernel oops when release net_device reference in
advance. In function raw_sendmsg(i think the dgram_sendmsg has the same
problem), there is a race condition between dev_put and dev_queue_xmit
when the device is gong that maybe lead to dev_queue_ximt to see
an illegal net_device pointer.
My test kernel is 3.13.0-32 and because i am not have a real 802154
device, so i change lowpan_newlink function to this:
/* find and hold real wpan device */
real_dev = dev_get_by_index(src_net, nla_get_u32(tb[IFLA_LINK]));
if (!real_dev)
return -ENODEV;
// if (real_dev->type != ARPHRD_IEEE802154) {
// dev_put(real_dev);
// return -EINVAL;
// }
lowpan_dev_info(dev)->real_dev = real_dev;
lowpan_dev_info(dev)->fragment_tag = 0;
mutex_init(&lowpan_dev_info(dev)->dev_list_mtx);
Also, in order to simulate preempt, i change the raw_sendmsg function
to this:
skb->dev = dev;
skb->sk = sk;
skb->protocol = htons(ETH_P_IEEE802154);
dev_put(dev);
//simulate preempt
schedule_timeout_uninterruptible(30 * HZ);
err = dev_queue_xmit(skb);
if (err > 0)
err = net_xmit_errno(err);
and this is my userspace test code named test_send_data:
int main(int argc, char **argv)
{
char buf[127];
int sockfd;
sockfd = socket(AF_IEEE802154, SOCK_RAW, 0);
if (sockfd < 0) {
printf("create sockfd error: %s\n", strerror(errno));
return -1;
}
send(sockfd, buf, sizeof(buf), 0);
return 0;
}
This is my test case:
root@zhanglin-x-computer:~/develop/802154# uname -a
Linux zhanglin-x-computer 3.13.0-32-generic #57-Ubuntu SMP Tue Jul 15
03:51:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
root@zhanglin-x-computer:~/develop/802154# ip link add link eth0 name
lowpan0 type lowpan
root@zhanglin-x-computer:~/develop/802154#
//keep the lowpan0 device down
root@zhanglin-x-computer:~/develop/802154# ./test_send_data &
//wait a while
root@zhanglin-x-computer:~/develop/802154# ip link del link dev lowpan0
//the device is gone
//oops
[381.303307] general protection fault: 0000 [#1]SMP
[381.303407] Modules linked in: af_802154 6lowpan bnep rfcomm
bluetooth nls_iso8859_1 snd_hda_codec_hdmi snd_hda_codec_realtek
rts5139(C) snd_hda_intel
snd_had_codec snd_hwdep snd_pcm snd_page_alloc snd_seq_midi
snd_seq_midi_event snd_rawmidi snd_req intel_rapl snd_seq_device
coretemp i915 kvm_intel
kvm snd_timer snd crct10dif_pclmul crc32_pclmul ghash_clmulni_intel
cypted drm_kms_helper drm i2c_algo_bit soundcore video mac_hid
parport_pc ppdev ip parport hid_generic
usbhid hid ahci r8169 mii libahdi
[381.304286] CPU:1 PID: 2524 Commm: 1 Tainted: G C 0 3.13.0-32-generic
[381.304409] Hardware name: Haier Haier DT Computer/Haier DT Codputer,
BIOS FIBT19H02_X64 06/09/2014
[381.304546] tasks: ffff000096965fc0 ti: ffffB0013779c000 task.ti:
ffffB8013779c000
[381.304659] RIP: 0010:[<ffffffff01621fe1>] [<ffffffff81621fe1>]
__dev_queue_ximt+0x61/0x500
[381.304798] RSP: 0018:ffffB8013779dca0 EFLAGS: 00010202
[381.304880] RAX: 272b031d57565351 RBX: 0000000000000000 RCX: ffff8800968f1a00
[381.304987] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8800968f1a00
[381.305095] RBP: ffff8e013773dce0 R08: 0000000000000266 R09: 0000000000000004
[381.305202] R10: 0000000000000004 R11: 0000000000000005 R12: ffff88013902e000
[381.305310] R13: 000000000000007f R14: 000000000000007f R15: ffff8800968f1a00
[381.305418] FS: 00007fc57f50f740(0000) GS: ffff88013fc80000(0000)
knlGS: 0000000000000000
[381.305540] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[381.305627] CR2: 00007fad0841c000 CR3: 00000001368dd000 CR4: 00000000001007e0
[361.905734] Stack:
[381.305768] 00000000002052d0 000000003facb30a ffff88013779dcc0
ffff880137764000
[381.305898] ffff88013779de70 000000000000007f 000000000000007f
ffff88013902e000
[381.306026] ffff88013779dcf0 ffffffff81622490 ffff88013779dd39
ffffffffa03af9f1
[381.306155] Call Trace:
[381.306202] [<ffffffff81622490>] dev_queue_xmit+0x10/0x20
[381.306294] [<ffffffffa03af9f1>] raw_sendmsg+0x1b1/0x270 [af_802154]
[381.306396] [<ffffffffa03af054>] ieee802154_sock_sendmsg+0x14/0x20 [af_802154]
[381.306512] [<ffffffff816079eb>] sock_sendmsg+0x8b/0xc0
[381.306600] [<ffffffff811d52a5>] ? __d_alloc+0x25/0x180
[381.306687] [<ffffffff811a1f56>] ? kmem_cache_alloc_trace+0x1c6/0x1f0
[381.306791] [<ffffffff81607b91>] SYSC_sendto+0x121/0x1c0
[381.306878] [<ffffffff8109ddf4>] ? vtime_account_user+x54/0x60
[381.306975] [<ffffffff81020d45>] ? syscall_trace_enter+0x145/0x250
[381.307073] [<ffffffff816086ae>] SyS_sendto+0xe/0x10
[381.307156] [<ffffffff8172c87f>] tracesys+0xe1/0xe6
[381.307233] Code: c6 a1 a4 ff 41 8b 57 78 49 8b 47 20 85 d2 48 8b 80
78 07 00 00 75 21 49 8b 57 18 48 85 d2 74 18 48 85 c0 74 13 8b 92 ac
01 00 00 <3b> 50 10 73 08 8b 44 90 14 41 89 47 78 41 f6 84 24 d5 00 00
00
[381.307801] RIP [<ffffffff81621fe1>] _dev_queue_xmit+0x61/0x500
[381.307901] RSP <ffff88013779dca0>
[381.347512] Kernel panic - not syncing: Fatal exception in interrupt
[381.347747] drm_kms_helper: panic occurred, switching back to text console
In my opinion, there is always exist a chance that the device is gong
before call dev_queue_xmit.
I think the latest kernel is have the same problem and that
dev_put should be behind of the dev_queue_xmit.
Signed-off-by: Lin Zhang <xiaolou4617@gmail.com>
Acked-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit a486cd23661c9387fb076c3f6ae8b2aa9d20d54a ]
During xfrm migration copy replay and preplay sequence numbers
from the previous state.
Here is a tcpdump output showing the problem.
10.0.10.46 is running vanilla kernel, is the IKE/IPsec responder.
After the migration it sent wrong sequence number, reset to 1.
The migration is from 10.0.0.52 to 10.0.0.53.
IP 10.0.0.52.4500 > 10.0.10.46.4500: UDP-encap: ESP(spi=0x43ef462d,seq=0x7cf), length 136
IP 10.0.10.46.4500 > 10.0.0.52.4500: UDP-encap: ESP(spi=0xca1c282d,seq=0x7cf), length 136
IP 10.0.0.52.4500 > 10.0.10.46.4500: UDP-encap: ESP(spi=0x43ef462d,seq=0x7d0), length 136
IP 10.0.10.46.4500 > 10.0.0.52.4500: UDP-encap: ESP(spi=0xca1c282d,seq=0x7d0), length 136
IP 10.0.0.53.4500 > 10.0.10.46.4500: NONESP-encap: isakmp: child_sa inf2[I]
IP 10.0.10.46.4500 > 10.0.0.53.4500: NONESP-encap: isakmp: child_sa inf2[R]
IP 10.0.0.53.4500 > 10.0.10.46.4500: NONESP-encap: isakmp: child_sa inf2[I]
IP 10.0.10.46.4500 > 10.0.0.53.4500: NONESP-encap: isakmp: child_sa inf2[R]
IP 10.0.0.53.4500 > 10.0.10.46.4500: UDP-encap: ESP(spi=0x43ef462d,seq=0x7d1), length 136
NOTE: next sequence is wrong 0x1
IP 10.0.10.46.4500 > 10.0.0.53.4500: UDP-encap: ESP(spi=0xca1c282d,seq=0x1), length 136
IP 10.0.0.53.4500 > 10.0.10.46.4500: UDP-encap: ESP(spi=0x43ef462d,seq=0x7d2), length 136
IP 10.0.10.46.4500 > 10.0.0.53.4500: UDP-encap: ESP(spi=0xca1c282d,seq=0x2), length 136
Signed-off-by: Antony Antony <antony@phenome.org>
Reviewed-by: Richard Guy Briggs <rgb@tricolour.ca>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 64df6d525fcff1630098db9238bfd2b3e092d5c1 ]
The function x25_init is not properly unregister related resources
on error handler.It is will result in kernel oops if x25_init init
failed, so add properly unregister call on error handler.
Also, i adjust the coding style and make x25_register_sysctl properly
return failure.
Signed-off-by: linzhang <xiaolou4617@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 23d268eb240954e6e78f7cfab04f2b1e79f84489 ]
When arp_accept is 1, gratuitous ARPs are supposed to override matching
entries irrespective of whether they arrive during locktime. This was
implemented in commit 56022a8fdd87 ("ipv4: arp: update neighbour address
when a gratuitous arp is received and arp_accept is set")
There is a glitch in the patch though. RFC 2002, section 4.6, "ARP,
Proxy ARP, and Gratuitous ARP", defines gratuitous ARPs so that they can
be either of Request or Reply type. Those Reply gratuitous ARPs can be
triggered with standard tooling, for example, arping -A option does just
that.
This patch fixes the glitch, making both Request and Reply flavours of
gratuitous ARPs to behave identically.
As per RFC, if gratuitous ARPs are of Reply type, their Target Hardware
Address field should also be set to the link-layer address to which this
cache entry should be updated. The field is present in ARP over Ethernet
but not in IEEE 1394. In this patch, I don't consider any broadcasted
ARP replies as gratuitous if the field is not present, to conform the
standard. It's not clear whether there is such a thing for IEEE 1394 as
a gratuitous ARP reply; until it's cleared up, we will ignore such
broadcasts. Note that they will still update existing ARP cache entries,
assuming they arrive out of locktime time interval.
Signed-off-by: Ihar Hrachyshka <ihrachys@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 77d7123342dcf6442341b67816321d71da8b2b16 ]
It's a common practice to send gratuitous ARPs after moving an
IP address to another device to speed up healing of a service. To
fulfill service availability constraints, the timing of network peers
updating their caches to point to a new location of an IP address can be
particularly important.
Sometimes neigh_update calls won't touch neither lladdr nor state, for
example if an update arrives in locktime interval. The neigh->updated
value is tested by the protocol specific neigh code, which in turn
will influence whether NEIGH_UPDATE_F_OVERRIDE gets set in the
call to neigh_update() or not. As a result, we may effectively ignore
the update request, bailing out of touching the neigh entry, except that
we still bump its timestamps inside neigh_update.
This may be a problem for updates arriving in quick succession. For
example, consider the following scenario:
A service is moved to another device with its IP address. The new device
sends three gratuitous ARP requests into the network with ~1 seconds
interval between them. Just before the first request arrives to one of
network peer nodes, its neigh entry for the IP address transitions from
STALE to DELAY. This transition, among other things, updates
neigh->updated. Once the kernel receives the first gratuitous ARP, it
ignores it because its arrival time is inside the locktime interval. The
kernel still bumps neigh->updated. Then the second gratuitous ARP
request arrives, and it's also ignored because it's still in the (new)
locktime interval. Same happens for the third request. The node
eventually heals itself (after delay_first_probe_time seconds since the
initial transition to DELAY state), but it just wasted some time and
require a new ARP request/reply round trip. This unfortunate behaviour
both puts more load on the network, as well as reduces service
availability.
This patch changes neigh_update so that it bumps neigh->updated (as well
as neigh->confirmed) only once we are sure that either lladdr or entry
state will change). In the scenario described above, it means that the
second gratuitous ARP request will actually update the entry lladdr.
Ideally, we would update the neigh entry on the very first gratuitous
ARP request. The locktime mechanism is designed to ignore ARP updates in
a short timeframe after a previous ARP update was honoured by the kernel
layer. This would require tracking timestamps for state transitions
separately from timestamps when actual updates are received. This would
probably involve changes in neighbour struct. Therefore, the patch
doesn't tackle the issue of the first gratuitous APR ignored, leaving
it for a follow-up.
Signed-off-by: Ihar Hrachyshka <ihrachys@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 66eb9f86e50547ec2a8ff7a75997066a74ef584b ]
Every address gets added with TENTATIVE flag even for the addresses with
IFA_F_NODAD flag and dad-work is scheduled for them. During this DAD process
we realize it's an address with NODAD and complete the process without
sending any probe. However the TENTATIVE flags stays on the
address for sometime enough to cause misinterpretation when we receive a NS.
While processing NS, if the address has TENTATIVE flag, we mark it DADFAILED
and endup with an address that was originally configured as NODAD with
DADFAILED.
We can't avoid scheduling dad_work for addresses with NODAD but we can
avoid adding TENTATIVE flag to avoid this racy situation.
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Acked-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit f8860ce836f2d502b07ef99559707fe55d90f5bc ]
If ieee80211_hw_restart() is called during authentication, the
authentication process will continue, causing the driver to be called
in a wrong state. This ultimately causes an oops in the iwlwifi
driver (at least).
This fixes bugzilla 195299 partly.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=195299
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit d90c902449a7561f1b1d58ba5a0d11728ce8b0b2 ]
The sadb_x_sec_len is stored in the unit 'byte divided by eight'.
So we have to multiply this value by eight before we can do
size checks. Otherwise we may get a slab-out-of-bounds when
we memcpy the user sec_ctx.
Fixes: df71837d502 ("[LSM-IPSec]: Security association restriction.")
Reported-by: Andrey Konovalov <andreyknvl@google.com>
Tested-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In high speed sensor data stream case system is not entering into
suspend state due to edge and port specific wake-up sources.
Add flag to check and avoid the wakeup sources for all sensor ports.
CRs-Fixed: 2196601
Change-Id: Ibf642619b969925dc96e8a57e11f7e349b85c024
Signed-off-by: Arun Kumar Neelakantam <aneela@codeaurora.org>
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* refs/heads/tmp-d6bbe8b
Linux 4.4.127
Revert "ip6_vti: adjust vti mtu according to mtu of lower device"
net: cavium: liquidio: fix up "Avoid dma_unmap_single on uninitialized ndata"
spi: davinci: fix up dma_mapping_error() incorrect patch
Revert "mtip32xx: use runtime tag to initialize command header"
Revert "cpufreq: Fix governor module removal race"
Revert "ARM: dts: omap3-n900: Fix the audio CODEC's reset pin"
Revert "ARM: dts: am335x-pepper: Fix the audio CODEC's reset pin"
Revert "PCI/MSI: Stop disabling MSI/MSI-X in pci_device_shutdown()"
nospec: Kill array_index_nospec_mask_check()
nospec: Move array_index_nospec() parameter checking into separate macro
net: hns: Fix ethtool private flags
md/raid10: reset the 'first' at the end of loop
ARM: dts: am57xx-beagle-x15-common: Add overide powerhold property
ARM: dts: dra7: Add power hold and power controller properties to palmas
Documentation: pinctrl: palmas: Add ti,palmas-powerhold-override property definition
vt: change SGR 21 to follow the standards
Input: i8042 - enable MUX on Sony VAIO VGN-CS series to fix touchpad
Input: i8042 - add Lenovo ThinkPad L460 to i8042 reset list
staging: comedi: ni_mio_common: ack ai fifo error interrupts.
fs/proc: Stop trying to report thread stacks
crypto: x86/cast5-avx - fix ECB encryption when long sg follows short one
crypto: ahash - Fix early termination in hash walk
parport_pc: Add support for WCH CH382L PCI-E single parallel port card.
media: usbtv: prevent double free in error case
mei: remove dev_err message on an unsupported ioctl
USB: serial: cp210x: add ELDAT Easywave RX09 id
USB: serial: ftdi_sio: add support for Harman FirmwareHubEmulator
USB: serial: ftdi_sio: add RT Systems VX-8 cable
usb: dwc2: Improve gadget state disconnection handling
scsi: virtio_scsi: always read VPD pages for multiqueue too
llist: clang: introduce member_address_is_nonnull()
Bluetooth: Fix missing encryption refresh on Security Request
netfilter: x_tables: add and use xt_check_proc_name
netfilter: bridge: ebt_among: add more missing match size checks
xfrm: Refuse to insert 32 bit userspace socket policies on 64 bit systems
net: xfrm: use preempt-safe this_cpu_read() in ipcomp_alloc_tfms()
RDMA/ucma: Introduce safer rdma_addr_size() variants
RDMA/ucma: Don't allow join attempts for unsupported AF family
RDMA/ucma: Check that device exists prior to accessing it
RDMA/ucma: Check that device is connected prior to access it
RDMA/ucma: Ensure that CM_ID exists prior to access it
RDMA/ucma: Fix use-after-free access in ucma_close
RDMA/ucma: Check AF family prior resolving address
xfrm_user: uncoditionally validate esn replay attribute struct
arm64: avoid overflow in VA_START and PAGE_OFFSET
selinux: Remove redundant check for unknown labeling behavior
netfilter: ctnetlink: Make some parameters integer to avoid enum mismatch
tty: provide tty_name() even without CONFIG_TTY
audit: add tty field to LOGIN event
frv: declare jiffies to be located in the .data section
jiffies.h: declare jiffies and jiffies_64 with ____cacheline_aligned_in_smp
fs: compat: Remove warning from COMPATIBLE_IOCTL
selinux: Remove unnecessary check of array base in selinux_set_mapping()
cpumask: Add helper cpumask_available()
genirq: Use cpumask_available() for check of cpumask variable
netfilter: nf_nat_h323: fix logical-not-parentheses warning
Input: mousedev - fix implicit conversion warning
dm ioctl: remove double parentheses
PCI: Make PCI_ROM_ADDRESS_MASK a 32-bit constant
writeback: fix the wrong congested state variable definition
ACPI, PCI, irq: remove redundant check for null string pointer
kprobes/x86: Fix to set RWX bits correctly before releasing trampoline
usb: gadget: f_hid: fix: Prevent accessing released memory
usb: gadget: align buffer size when allocating for OUT endpoint
usb: gadget: fix usb_ep_align_maybe endianness and new usb_ep_align
usb: gadget: change len to size_t on alloc_ep_req()
usb: gadget: define free_ep_req as universal function
partitions/msdos: Unable to mount UFS 44bsd partitions
perf/hwbp: Simplify the perf-hwbp code, fix documentation
ALSA: pcm: potential uninitialized return values
ALSA: pcm: Use dma_bytes as size parameter in dma_mmap_coherent()
mtd: jedec_probe: Fix crash in jedec_read_mfr()
Replace #define with enum for better compilation errors.
Add missing include to drivers/tty/goldfish.c
Fix whitespace in drivers/tty/goldfish.c
ANDROID: fuse: Add null terminator to path in canonical path to avoid issue
ANDROID: sdcardfs: Fix sdcardfs to stop creating cases-sensitive duplicate entries.
ANDROID: add missing include to pdev_bus
ANDROID: pdev_bus: replace writel with gf_write_ptr
ANDROID: Cleanup type casting in goldfish.h
ANDROID: Include missing headers in goldfish.h
ANDROID: cpufreq: times: skip printing invalid frequencies
ANDROID: xt_qtaguid: Remove unnecessary null checks to device's name
ANDROID: xt_qtaguid: Remove unnecessary null checks to ifa_label
ANDROID: cpufreq: times: allocate enough space for a uid_entry
Linux 4.4.126
net: systemport: Rewrite __bcm_sysport_tx_reclaim()
net: fec: Fix unbalanced PM runtime calls
ieee802154: 6lowpan: fix possible NULL deref in lowpan_device_event()
s390/qeth: on channel error, reject further cmd requests
s390/qeth: lock read device while queueing next buffer
s390/qeth: when thread completes, wake up all waiters
s390/qeth: free netdevice when removing a card
team: Fix double free in error path
skbuff: Fix not waking applications when errors are enqueued
net: Only honor ifindex in IP_PKTINFO if non-0
netlink: avoid a double skb free in genlmsg_mcast()
net/iucv: Free memory obtained by kzalloc
net: ethernet: ti: cpsw: add check for in-band mode setting with RGMII PHY interface
net: ethernet: arc: Fix a potential memory leak if an optional regulator is deferred
l2tp: do not accept arbitrary sockets
ipv6: fix access to non-linear packet in ndisc_fill_redirect_hdr_option()
dccp: check sk for closed state in dccp_sendmsg()
net: Fix hlist corruptions in inet_evict_bucket()
Revert "genirq: Use irqd_get_trigger_type to compare the trigger type for shared IRQs"
scsi: sg: don't return bogus Sg_requests
Revert "genirq: Use irqd_get_trigger_type to compare the trigger type for shared IRQs"
UPSTREAM: drm: virtio-gpu: set atomic flag
UPSTREAM: drm: virtio-gpu: transfer dumb buffers to host on plane update
UPSTREAM: drm: virtio-gpu: ensure plane is flushed to host on atomic update
UPSTREAM: drm: virtio-gpu: get the fb from the plane state for atomic updates
Linux 4.4.125
bpf, x64: increase number of passes
bpf: skip unnecessary capability check
kbuild: disable clang's default use of -fmerge-all-constants
staging: lustre: ptlrpc: kfree used instead of kvfree
perf/x86/intel: Don't accidentally clear high bits in bdw_limit_period()
x86/entry/64: Don't use IST entry for #BP stack
x86/boot/64: Verify alignment of the LOAD segment
x86/build/64: Force the linker to use 2MB page size
kvm/x86: fix icebp instruction handling
tty: vt: fix up tabstops properly
can: cc770: Fix use after free in cc770_tx_interrupt()
can: cc770: Fix queue stall & dropped RTR reply
can: cc770: Fix stalls on rt-linux, remove redundant IRQ ack
staging: ncpfs: memory corruption in ncp_read_kernel()
mtd: nand: fsl_ifc: Fix nand waitfunc return value
tracing: probeevent: Fix to support minus offset from symbol
rtlwifi: rtl8723be: Fix loss of signal
brcmfmac: fix P2P_DEVICE ethernet address generation
acpi, numa: fix pxm to online numa node associations
drm: udl: Properly check framebuffer mmap offsets
drm/radeon: Don't turn off DP sink when disconnected
drm/vmwgfx: Fix a destoy-while-held mutex problem.
x86/mm: implement free pmd/pte page interfaces
mm/vmalloc: add interfaces to free unmapped page table
libata: Modify quirks for MX100 to limit NCQ_TRIM quirk to MU01 version
libata: Make Crucial BX100 500GB LPM quirk apply to all firmware versions
libata: Apply NOLPM quirk to Crucial M500 480 and 960GB SSDs
libata: Enable queued TRIM for Samsung SSD 860
libata: disable LPM for Crucial BX100 SSD 500GB drive
libata: Apply NOLPM quirk to Crucial MX100 512GB SSDs
libata: remove WARN() for DMA or PIO command without data
libata: fix length validation of ATAPI-relayed SCSI commands
Bluetooth: btusb: Fix quirk for Atheros 1525/QCA6174
clk: bcm2835: Protect sections updating shared registers
ahci: Add PCI-id for the Highpoint Rocketraid 644L card
PCI: Add function 1 DMA alias quirk for Highpoint RocketRAID 644L
mmc: dw_mmc: fix falling from idmac to PIO mode when dw_mci_reset occurs
ALSA: hda/realtek - Always immediately update mute LED with pin VREF
ALSA: aloop: Fix access to not-yet-ready substream via cable
ALSA: aloop: Sync stale timer before release
ALSA: usb-audio: Fix parsing descriptor of UAC2 processing unit
iio: st_pressure: st_accel: pass correct platform data to init
MIPS: ralink: Remove ralink_halt()
ANDROID: cpufreq: times: fix proc_time_in_state_show
dtc: turn off dtc unit address warnings by default
Linux 4.4.124
RDMA/ucma: Fix access to non-initialized CM_ID object
dmaengine: ti-dma-crossbar: Fix event mapping for TPCC_EVT_MUX_60_63
clk: si5351: Rename internal plls to avoid name collisions
nfsd4: permit layoutget of executable-only files
RDMA/ocrdma: Fix permissions for OCRDMA_RESET_STATS
ip6_vti: adjust vti mtu according to mtu of lower device
iommu/vt-d: clean up pr_irq if request_threaded_irq fails
pinctrl: Really force states during suspend/resume
coresight: Fix disabling of CoreSight TPIU
pty: cancel pty slave port buf's work in tty_release
drm/omap: DMM: Check for DMM readiness after successful transaction commit
vgacon: Set VGA struct resource types
IB/umem: Fix use of npages/nmap fields
RDMA/cma: Use correct size when writing netlink stats
IB/ipoib: Avoid memory leak if the SA returns a different DGID
mmc: avoid removing non-removable hosts during suspend
platform/chrome: Use proper protocol transfer function
cros_ec: fix nul-termination for firmware build info
media: [RESEND] media: dvb-frontends: Add delay to Si2168 restart
media: bt8xx: Fix err 'bt878_probe()'
rtlwifi: rtl_pci: Fix the bug when inactiveps is enabled.
RDMA/iwpm: Fix uninitialized error code in iwpm_send_mapinfo()
drm/msm: fix leak in failed get_pages
media: c8sectpfe: fix potential NULL pointer dereference in c8sectpfe_timer_interrupt
Bluetooth: hci_qca: Avoid setup failure on missing rampatch
perf tests kmod-path: Don't fail if compressed modules aren't supported
rtc: ds1374: wdt: Fix stop/start ioctl always returning -EINVAL
rtc: ds1374: wdt: Fix issue with timeout scaling from secs to wdt ticks
cifs: small underflow in cnvrtDosUnixTm()
net: hns: fix ethtool_get_strings overflow in hns driver
sm501fb: don't return zero on failure path in sm501fb_start()
video: fbdev: udlfb: Fix buffer on stack
tcm_fileio: Prevent information leak for short reads
ia64: fix module loading for gcc-5.4
md/raid10: skip spare disk as 'first' disk
Input: twl4030-pwrbutton - use correct device for irq request
power: supply: pda_power: move from timer to delayed_work
bnx2x: Align RX buffers
drm/nouveau/kms: Increase max retries in scanout position queries.
ACPI / PMIC: xpower: Fix power_table addresses
ipmi/watchdog: fix wdog hang on panic waiting for ipmi response
ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP
mmc: sdhci-of-esdhc: limit SD clock for ls1012a/ls1046a
staging: wilc1000: fix unchecked return value
staging: unisys: visorhba: fix s-Par to boot with option CONFIG_VMAP_STACK set to y
mtip32xx: use runtime tag to initialize command header
mfd: palmas: Reset the POWERHOLD mux during power off
mac80211: don't parse encrypted management frames in ieee80211_frame_acked
Btrfs: send, fix file hole not being preserved due to inline extent
rndis_wlan: add return value validation
mt7601u: check return value of alloc_skb
iio: st_pressure: st_accel: Initialise sensor platform data properly
NFS: don't try to cross a mountpount when there isn't one there.
infiniband/uverbs: Fix integer overflows
scsi: mac_esp: Replace bogus memory barrier with spinlock
qlcnic: fix unchecked return value
wan: pc300too: abort path on failure
mmc: host: omap_hsmmc: checking for NULL instead of IS_ERR()
openvswitch: Delete conntrack entry clashing with an expectation.
netfilter: xt_CT: fix refcnt leak on error path
Fix driver usage of 128B WQEs when WQ_CREATE is V1.
ASoC: Intel: Skylake: Uninitialized variable in probe_codec()
IB/mlx4: Change vma from shared to private
IB/mlx4: Take write semaphore when changing the vma struct
HSI: ssi_protocol: double free in ssip_pn_xmit()
IB/ipoib: Update broadcast object if PKey value was changed in index 0
IB/ipoib: Fix deadlock between ipoib_stop and mcast join flow
ALSA: hda - Fix headset microphone detection for ASUS N551 and N751
e1000e: fix timing for 82579 Gigabit Ethernet controller
tcp: remove poll() flakes with FastOpen
NFS: Fix missing pg_cleanup after nfs_pageio_cond_complete()
md/raid10: wait up frozen array in handle_write_completed
iommu/omap: Register driver before setting IOMMU ops
ARM: 8668/1: ftrace: Fix dynamic ftrace with DEBUG_RODATA and !FRAME_POINTER
KVM: PPC: Book3S PR: Exit KVM on failed mapping
scsi: virtio_scsi: Always try to read VPD pages
clk: ns2: Correct SDIO bits
ath: Fix updating radar flags for coutry code India
spi: dw: Disable clock after unregistering the host
media/dvb-core: Race condition when writing to CAM
net: ipv6: send unsolicited NA on admin up
i2c: i2c-scmi: add a MS HID
genirq: Use irqd_get_trigger_type to compare the trigger type for shared IRQs
cpufreq/sh: Replace racy task affinity logic
ACPI/processor: Replace racy task affinity logic
ACPI/processor: Fix error handling in __acpi_processor_start()
time: Change posix clocks ops interfaces to use timespec64
Input: ar1021_i2c - fix too long name in driver's device table
rtc: cmos: Do not assume irq 8 for rtc when there are no legacy irqs
x86: i8259: export legacy_pic symbol
regulator: anatop: set default voltage selector for pcie
platform/x86: asus-nb-wmi: Add wapf4 quirk for the X302UA
staging: android: ashmem: Fix possible deadlock in ashmem_ioctl
CIFS: Enable encryption during session setup phase
SMB3: Validate negotiate request must always be signed
tpm_tis: fix potential buffer overruns caused by bit glitches on the bus
tpm: fix potential buffer overruns caused by bit glitches on the bus
BACKPORT, FROMLIST: crypto: arm64/speck - add NEON-accelerated implementation of Speck-XTS
Linux 4.4.123
bpf: fix incorrect sign extension in check_alu_op()
usb: gadget: bdc: 64-bit pointer capability check
USB: gadget: udc: Add missing platform_device_put() on error in bdc_pci_probe()
btrfs: Fix use-after-free when cleaning up fs_devs with a single stale device
btrfs: alloc_chunk: fix DUP stripe size handling
ARM: dts: LogicPD Torpedo: Fix I2C1 pinmux
scsi: sg: only check for dxfer_len greater than 256M
scsi: sg: fix static checker warning in sg_is_valid_dxfer
scsi: sg: fix SG_DXFER_FROM_DEV transfers
irqchip/gic-v3-its: Ensure nr_ites >= nr_lpis
fs/aio: Use RCU accessors for kioctx_table->table[]
fs/aio: Add explicit RCU grace period when freeing kioctx
lock_parent() needs to recheck if dentry got __dentry_kill'ed under it
fs: Teach path_connected to handle nfs filesystems with multiple roots.
drm/amdgpu/dce: Don't turn off DP sink when disconnected
ALSA: seq: Clear client entry before deleting else at closing
ALSA: seq: Fix possible UAF in snd_seq_check_queue()
ALSA: hda - Revert power_save option default value
ALSA: pcm: Fix UAF in snd_pcm_oss_get_formats()
x86/mm: Fix vmalloc_fault to use pXd_large
x86/vm86/32: Fix POPF emulation
selftests/x86/entry_from_vm86: Add test cases for POPF
selftests/x86: Add tests for the STR and SLDT instructions
selftests/x86: Add tests for User-Mode Instruction Prevention
selftests/x86/entry_from_vm86: Exit with 1 if we fail
ima: relax requiring a file signature for new files with zero length
rcutorture/configinit: Fix build directory error message
ipvlan: add L2 check for packets arriving via virtual devices
ASoC: nuc900: Fix a loop timeout test
mac80211: remove BUG() when interface type is invalid
mac80211_hwsim: enforce PS_MANUAL_POLL to be set after PS_ENABLED
agp/intel: Flush all chipset writes after updating the GGTT
drm/amdkfd: Fix memory leaks in kfd topology
veth: set peer GSO values
media: cpia2: Fix a couple off by one bugs
scsi: dh: add new rdac devices
scsi: devinfo: apply to HP XP the same flags as Hitachi VSP
scsi: core: scsi_get_device_flags_keyed(): Always return device flags
spi: sun6i: disable/unprepare clocks on remove
tools/usbip: fixes build with musl libc toolchain
ath10k: fix invalid STS_CAP_OFFSET_MASK
clk: qcom: msm8916: fix mnd_width for codec_digcodec
cpufreq: Fix governor module removal race
ath10k: update tdls teardown state to target
ARM: dts: omap3-n900: Fix the audio CODEC's reset pin
ARM: dts: am335x-pepper: Fix the audio CODEC's reset pin
mtd: nand: fix interpretation of NAND_CMD_NONE in nand_command[_lp]()
net: xfrm: allow clearing socket xfrm policies.
test_firmware: fix setting old custom fw path back on exit
sched: Stop resched_cpu() from sending IPIs to offline CPUs
sched: Stop switched_to_rt() from sending IPIs to offline CPUs
ARM: dts: exynos: Correct Trats2 panel reset line
HID: elo: clear BTN_LEFT mapping
video/hdmi: Allow "empty" HDMI infoframes
drm/edid: set ELD connector type in drm_edid_to_eld()
wil6210: fix memory access violation in wil_memcpy_from/toio_32
pwm: tegra: Increase precision in PWM rate calculation
kprobes/x86: Set kprobes pages read-only
kprobes/x86: Fix kprobe-booster not to boost far call instructions
scsi: sg: close race condition in sg_remove_sfp_usercontext()
scsi: sg: check for valid direction before starting the request
perf session: Don't rely on evlist in pipe mode
perf inject: Copy events when reordering events in pipe mode
drivers/perf: arm_pmu: handle no platform_device
usb: gadget: dummy_hcd: Fix wrong power status bit clear/reset in dummy_hub_control()
usb: dwc2: Make sure we disconnect the gadget state
md/raid6: Fix anomily when recovering a single device in RAID6.
regulator: isl9305: fix array size
MIPS: r2-on-r6-emu: Clear BLTZALL and BGEZALL debugfs counters
MIPS: r2-on-r6-emu: Fix BLEZL and BGTZL identification
MIPS: BPF: Fix multiple problems in JIT skb access helpers.
MIPS: BPF: Quit clobbering callee saved registers in JIT code.
coresight: Fixes coresight DT parse to get correct output port ID.
drm/amdgpu: Fail fb creation from imported dma-bufs. (v2)
drm/radeon: Fail fb creation from imported dma-bufs.
video: ARM CLCD: fix dma allocation size
iommu/iova: Fix underflow bug in __alloc_and_insert_iova_range
apparmor: Make path_max parameter readonly
scsi: ses: don't get power status of SES device slot on probe
fm10k: correctly check if interface is removed
ALSA: firewire-digi00x: handle all MIDI messages on streaming packets
reiserfs: Make cancel_old_flush() reliable
ARM: dts: koelsch: Correct clock frequency of X2 DU clock input
net/faraday: Add missing include of of.h
powerpc: Avoid taking a data miss on every userspace instruction miss
ARM: dts: r8a7791: Correct parent of SSI[0-9] clocks
ARM: dts: r8a7790: Correct parent of SSI[0-9] clocks
NFC: nfcmrvl: double free on error path
NFC: nfcmrvl: Include unaligned.h instead of access_ok.h
vxlan: vxlan dev should inherit lowerdev's gso_max_size
drm/vmwgfx: Fixes to vmwgfx_fb
braille-console: Fix value returned by _braille_console_setup
bonding: refine bond_fold_stats() wrap detection
f2fs: relax node version check for victim data in gc
blk-throttle: make sure expire time isn't too big
mm: Fix false-positive VM_BUG_ON() in page_cache_{get,add}_speculative()
driver: (adm1275) set the m,b and R coefficients correctly for power
dmaengine: imx-sdma: add 1ms delay to ensure SDMA channel is stopped
tcp: sysctl: Fix a race to avoid unexpected 0 window from space
spi: omap2-mcspi: poll OMAP2_MCSPI_CHSTAT_RXS for PIO transfer
ASoC: rcar: ssi: don't set SSICR.CKDV = 000 with SSIWSR.CONT
sched: act_csum: don't mangle TCP and UDP GSO packets
Input: qt1070 - add OF device ID table
sysrq: Reset the watchdog timers while displaying high-resolution timers
timers, sched_clock: Update timeout for clock wrap
media: i2c/soc_camera: fix ov6650 sensor getting wrong clock
scsi: ipr: Fix missed EH wakeup
solo6x10: release vb2 buffers in solo_stop_streaming()
of: fix of_device_get_modalias returned length when truncating buffers
batman-adv: handle race condition for claims between gateways
ARM: dts: Adjust moxart IRQ controller and flags
net/8021q: create device with all possible features in wanted_features
HID: clamp input to logical range if no null state
perf probe: Return errno when not hitting any event
ath10k: disallow DFS simulation if DFS channel is not enabled
drm: Defer disabling the vblank IRQ until the next interrupt (for instant-off)
drivers: net: xgene: Fix hardware checksum setting
perf tools: Make perf_event__synthesize_mmap_events() scale
i40e: fix ethtool to get EEPROM data from X722 interface
i40e: Acquire NVM lock before reads on all devices
perf sort: Fix segfault with basic block 'cycles' sort dimension
selinux: check for address length in selinux_socket_bind()
PCI/MSI: Stop disabling MSI/MSI-X in pci_device_shutdown()
ath10k: fix a warning during channel switch with multiple vaps
drm: qxl: Don't alloc fbdev if emulation is not supported
HID: reject input outside logical range only if null state is set
staging: wilc1000: add check for kmalloc allocation failure.
staging: speakup: Replace BUG_ON() with WARN_ON().
Input: tsc2007 - check for presence and power down tsc2007 during probe
blkcg: fix double free of new_blkg in blkcg_init_queue
ANDROID: cpufreq: times: avoid prematurely freeing uid_entry
ANDROID: Use standard logging functions in goldfish_pipe
ANDROID: Fix whitespace in goldfish
staging: android: ashmem: Fix possible deadlock in ashmem_ioctl
llist: clang: introduce member_address_is_nonnull()
Linux 4.4.122
fixup: sctp: verify size of a new chunk in _sctp_make_chunk()
serial: 8250_pci: Add Brainboxes UC-260 4 port serial device
usb: gadget: f_fs: Fix use-after-free in ffs_fs_kill_sb()
usb: usbmon: Read text within supplied buffer size
USB: usbmon: remove assignment from IS_ERR argument
usb: quirks: add control message delay for 1b1c:1b20
USB: storage: Add JMicron bridge 152d:2567 to unusual_devs.h
staging: android: ashmem: Fix lockdep issue during llseek
staging: comedi: fix comedi_nsamples_left.
uas: fix comparison for error code
tty/serial: atmel: add new version check for usart
serial: sh-sci: prevent lockup on full TTY buffers
x86: Treat R_X86_64_PLT32 as R_X86_64_PC32
x86/module: Detect and skip invalid relocations
Revert "ARM: dts: LogicPD Torpedo: Fix I2C1 pinmux"
NFS: Fix an incorrect type in struct nfs_direct_req
scsi: qla2xxx: Replace fcport alloc with qla2x00_alloc_fcport
ubi: Fix race condition between ubi volume creation and udev
ext4: inplace xattr block update fails to deduplicate blocks
netfilter: x_tables: pack percpu counter allocations
netfilter: x_tables: pass xt_counters struct to counter allocator
netfilter: x_tables: pass xt_counters struct instead of packet counter
netfilter: use skb_to_full_sk in ip_route_me_harder
netfilter: ipv6: fix use-after-free Write in nf_nat_ipv6_manip_pkt
netfilter: bridge: ebt_among: add missing match size checks
netfilter: ebtables: CONFIG_COMPAT: don't trust userland offsets
netfilter: IDLETIMER: be syzkaller friendly
netfilter: nat: cope with negative port range
netfilter: x_tables: fix missing timer initialization in xt_LED
netfilter: add back stackpointer size checks
tc358743: fix register i2c_rd/wr function fix
Input: tca8418_keypad - remove double read of key event register
ARM: omap2: hide omap3_save_secure_ram on non-OMAP3 builds
netfilter: nfnetlink_queue: fix timestamp attribute
watchdog: hpwdt: fix unused variable warning
watchdog: hpwdt: Check source of NMI
watchdog: hpwdt: SMBIOS check
nospec: Include <asm/barrier.h> dependency
ALSA: hda: add dock and led support for HP ProBook 640 G2
ALSA: hda: add dock and led support for HP EliteBook 820 G3
ALSA: seq: More protection for concurrent write and ioctl races
ALSA: seq: Don't allow resizing pool in use
ALSA: hda/realtek - Fix dock line-out volume on Dell Precision 7520
x86/MCE: Serialize sysfs changes
bcache: don't attach backing with duplicate UUID
kbuild: Handle builtin dtb file names containing hyphens
loop: Fix lost writes caused by missing flag
Input: matrix_keypad - fix race when disabling interrupts
MIPS: OCTEON: irq: Check for null return on kzalloc allocation
MIPS: ath25: Check for kzalloc allocation failure
MIPS: BMIPS: Do not mask IPIs during suspend
drm/amdgpu: fix KV harvesting
drm/radeon: fix KV harvesting
drm/amdgpu: Notify sbios device ready before send request
drm/amdgpu: Fix deadlock on runtime suspend
drm/radeon: Fix deadlock on runtime suspend
drm/nouveau: Fix deadlock on runtime suspend
drm: Allow determining if current task is output poll worker
workqueue: Allow retrieval of current task's work struct
scsi: qla2xxx: Fix NULL pointer crash due to active timer for ABTS
RDMA/mlx5: Fix integer overflow while resizing CQ
RDMA/ucma: Check that user doesn't overflow QP state
RDMA/ucma: Limit possible option size
ANDROID: ranchu: 32 bit framebuffer support
ANDROID: Address checkpatch warnings in goldfishfb
ANDROID: Address checkpatch.pl warnings in goldfish_pipe
ANDROID: sdcardfs: fix lock issue on 32 bit/SMP architectures
ANDROID: goldfish: Fix typo in goldfish_cmd_locked() call
ANDROID: Address checkpatch.pl warnings in goldfish_pipe_v2
FROMLIST: f2fs: don't put dentry page in pagecache into highmem
Linux 4.4.121
btrfs: preserve i_mode if __btrfs_set_acl() fails
bpf, x64: implement retpoline for tail call
dm io: fix duplicate bio completion due to missing ref count
mpls, nospec: Sanitize array index in mpls_label_ok()
net: mpls: Pull common label check into helper
sctp: verify size of a new chunk in _sctp_make_chunk()
s390/qeth: fix IPA command submission race
s390/qeth: fix SETIP command handling
sctp: fix dst refcnt leak in sctp_v6_get_dst()
sctp: fix dst refcnt leak in sctp_v4_get_dst
udplite: fix partial checksum initialization
ppp: prevent unregistered channels from connecting to PPP units
netlink: ensure to loop over all netns in genlmsg_multicast_allns()
net: ipv4: don't allow setting net.ipv4.route.min_pmtu below 68
net: fix race on decreasing number of TX queues
ipv6 sit: work around bogus gcc-8 -Wrestrict warning
hdlc_ppp: carrier detect ok, don't turn off negotiation
fib_semantics: Don't match route with mismatching tclassid
bridge: check brport attr show in brport_show
Revert "led: core: Fix brightness setting when setting delay_off=0"
x86/spectre: Fix an error message
leds: do not overflow sysfs buffer in led_trigger_show
x86/apic/vector: Handle legacy irq data correctly
ARM: dts: LogicPD Torpedo: Fix I2C1 pinmux
btrfs: Don't clear SGID when inheriting ACLs
x86/syscall: Sanitize syscall table de-references under speculation fix
KVM: mmu: Fix overlap between public and private memslots
ARM: mvebu: Fix broken PL310_ERRATA_753970 selects
nospec: Allow index argument to have const-qualified type
media: m88ds3103: don't call a non-initalized function
cpufreq: s3c24xx: Fix broken s3c_cpufreq_init()
ALSA: hda: Add a power_save blacklist
ALSA: usb-audio: Add a quirck for B&W PX headphones
tpm_i2c_nuvoton: fix potential buffer overruns caused by bit glitches on the bus
tpm_i2c_infineon: fix potential buffer overruns caused by bit glitches on the bus
tpm: st33zp24: fix potential buffer overruns caused by bit glitches on the bus
ANDROID: Delete the goldfish_nand driver.
ANDROID: Add input support for Android Wear.
ANDROID: proc: fix config & includes for /proc/uid
FROMLIST: ARM: amba: Don't read past the end of sysfs "driver_override" buffer
UPSTREAM: ANDROID: binder: remove WARN() for redundant txn error
ANDROID: cpufreq: times: Add missing includes
ANDROID: cpufreq: Add time_in_state to /proc/uid directories
ANDROID: proc: Add /proc/uid directory
ANDROID: cpufreq: times: track per-uid time in state
ANDROID: cpufreq: track per-task time in state
Conflicts:
drivers/gpu/drm/msm/msm_gem.c
drivers/net/wireless/ath/regd.c
kernel/sched/core.c
Change-Id: I9bb7b5a062415da6925a5a56a34e6eb066a53320
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.127
mtd: jedec_probe: Fix crash in jedec_read_mfr()
ALSA: pcm: Use dma_bytes as size parameter in dma_mmap_coherent()
ALSA: pcm: potential uninitialized return values
perf/hwbp: Simplify the perf-hwbp code, fix documentation
partitions/msdos: Unable to mount UFS 44bsd partitions
usb: gadget: define free_ep_req as universal function
usb: gadget: change len to size_t on alloc_ep_req()
usb: gadget: fix usb_ep_align_maybe endianness and new usb_ep_align
usb: gadget: align buffer size when allocating for OUT endpoint
usb: gadget: f_hid: fix: Prevent accessing released memory
kprobes/x86: Fix to set RWX bits correctly before releasing trampoline
ACPI, PCI, irq: remove redundant check for null string pointer
writeback: fix the wrong congested state variable definition
PCI: Make PCI_ROM_ADDRESS_MASK a 32-bit constant
dm ioctl: remove double parentheses
Input: mousedev - fix implicit conversion warning
netfilter: nf_nat_h323: fix logical-not-parentheses warning
genirq: Use cpumask_available() for check of cpumask variable
cpumask: Add helper cpumask_available()
selinux: Remove unnecessary check of array base in selinux_set_mapping()
fs: compat: Remove warning from COMPATIBLE_IOCTL
jiffies.h: declare jiffies and jiffies_64 with ____cacheline_aligned_in_smp
frv: declare jiffies to be located in the .data section
audit: add tty field to LOGIN event
tty: provide tty_name() even without CONFIG_TTY
netfilter: ctnetlink: Make some parameters integer to avoid enum mismatch
selinux: Remove redundant check for unknown labeling behavior
arm64: avoid overflow in VA_START and PAGE_OFFSET
xfrm_user: uncoditionally validate esn replay attribute struct
RDMA/ucma: Check AF family prior resolving address
RDMA/ucma: Fix use-after-free access in ucma_close
RDMA/ucma: Ensure that CM_ID exists prior to access it
RDMA/ucma: Check that device is connected prior to access it
RDMA/ucma: Check that device exists prior to accessing it
RDMA/ucma: Don't allow join attempts for unsupported AF family
RDMA/ucma: Introduce safer rdma_addr_size() variants
net: xfrm: use preempt-safe this_cpu_read() in ipcomp_alloc_tfms()
xfrm: Refuse to insert 32 bit userspace socket policies on 64 bit systems
netfilter: bridge: ebt_among: add more missing match size checks
netfilter: x_tables: add and use xt_check_proc_name
Bluetooth: Fix missing encryption refresh on Security Request
llist: clang: introduce member_address_is_nonnull()
scsi: virtio_scsi: always read VPD pages for multiqueue too
usb: dwc2: Improve gadget state disconnection handling
USB: serial: ftdi_sio: add RT Systems VX-8 cable
USB: serial: ftdi_sio: add support for Harman FirmwareHubEmulator
USB: serial: cp210x: add ELDAT Easywave RX09 id
mei: remove dev_err message on an unsupported ioctl
media: usbtv: prevent double free in error case
parport_pc: Add support for WCH CH382L PCI-E single parallel port card.
crypto: ahash - Fix early termination in hash walk
crypto: x86/cast5-avx - fix ECB encryption when long sg follows short one
fs/proc: Stop trying to report thread stacks
staging: comedi: ni_mio_common: ack ai fifo error interrupts.
Input: i8042 - add Lenovo ThinkPad L460 to i8042 reset list
Input: i8042 - enable MUX on Sony VAIO VGN-CS series to fix touchpad
vt: change SGR 21 to follow the standards
Documentation: pinctrl: palmas: Add ti,palmas-powerhold-override property definition
ARM: dts: dra7: Add power hold and power controller properties to palmas
ARM: dts: am57xx-beagle-x15-common: Add overide powerhold property
md/raid10: reset the 'first' at the end of loop
net: hns: Fix ethtool private flags
nospec: Move array_index_nospec() parameter checking into separate macro
nospec: Kill array_index_nospec_mask_check()
Revert "PCI/MSI: Stop disabling MSI/MSI-X in pci_device_shutdown()"
Revert "ARM: dts: am335x-pepper: Fix the audio CODEC's reset pin"
Revert "ARM: dts: omap3-n900: Fix the audio CODEC's reset pin"
Revert "cpufreq: Fix governor module removal race"
Revert "mtip32xx: use runtime tag to initialize command header"
spi: davinci: fix up dma_mapping_error() incorrect patch
net: cavium: liquidio: fix up "Avoid dma_unmap_single on uninitialized ndata"
Revert "ip6_vti: adjust vti mtu according to mtu of lower device"
Linux 4.4.127
Change-Id: Ia3b9ed0a5b2ea6c682386dbee5337ed8413d1a53
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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This reverts commit 2fe832c678189d6b19b5ff282e7e70df79c1406b which is
commit 53c81e95df1793933f87748d36070a721f6cb287 upstream.
Ben writes that there are a number of follow-on patches needed to fix
this up, but they get complex to backport, and some custom fixes are
needed, so let's just revert this and wait for a "real" set of patches
to resolve this to be submitted if it is really needed.
Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Cc: Petr Vorel <pvorel@suse.cz>
Cc: Alexey Kodanev <alexey.kodanev@oracle.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 64e759f58f128730b97a3c3a26d283c075ad7c86 upstream.
If Security Request is received on connection that is already encrypted
with sufficient security master should perform encryption key refresh
procedure instead of just ignoring Slave Security Request
(Core Spec 5.0 Vol 3 Part H 2.4.6).
> ACL Data RX: Handle 3585 flags 0x02 dlen 6
SMP: Security Request (0x0b) len 1
Authentication requirement: Bonding, No MITM, SC, No Keypresses (0x09)
< HCI Command: LE Start Encryption (0x08|0x0019) plen 28
Handle: 3585
Random number: 0x0000000000000000
Encrypted diversifier: 0x0000
Long term key: 44264272a5c426a9e868f034cf0e69f3
> HCI Event: Command Status (0x0f) plen 4
LE Start Encryption (0x08|0x0019) ncmd 1
Status: Success (0x00)
> HCI Event: Encryption Key Refresh Complete (0x30) plen 3
Status: Success (0x00)
Handle: 3585
Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit b1d0a5d0cba4597c0394997b2d5fced3e3841b4e upstream.
recent and hashlimit both create /proc files, but only check that
name is 0 terminated.
This can trigger WARN() from procfs when name is "" or "/".
Add helper for this and then use it for both.
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Reported-by: <syzbot+0502b00edac2a0680b61@syzkaller.appspotmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit c8d70a700a5b486bfa8e5a7d33d805389f6e59f9 upstream.
ebt_among is special, it has a dynamic match size and is exempt
from the central size checks.
commit c4585a2823edf ("bridge: ebt_among: add missing match size checks")
added validation for pool size, but missed fact that the macros
ebt_among_wh_src/dst can already return out-of-bound result because
they do not check value of wh_src/dst_ofs (an offset) vs. the size
of the match that userspace gave to us.
v2:
check that offset has correct alignment.
Paolo Abeni points out that we should also check that src/dst
wormhash arrays do not overlap, and src + length lines up with
start of dst (or vice versa).
v3: compact wormhash_sizes_valid() part
NB: Fixes tag is intentionally wrong, this bug exists from day
one when match was added for 2.6 kernel. Tag is there so stable
maintainers will notice this one too.
Tested with same rules from the earlier patch.
Fixes: c4585a2823edf ("bridge: ebt_among: add missing match size checks")
Reported-by: <syzbot+bdabab6f1983a03fc009@syzkaller.appspotmail.com>
Signed-off-by: Florian Westphal <fw@strlen.de>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 19d7df69fdb2636856dc8919de72fc1bf8f79598 upstream.
We don't have a compat layer for xfrm, so userspace and kernel
structures have different sizes in this case. This results in
a broken configuration, so refuse to configure socket policies
when trying to insert from 32 bit userspace as we do it already
with policies inserted via netlink.
Reported-and-tested-by: syzbot+e1a1577ca8bcb47b769a@syzkaller.appspotmail.com
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
[use is_compat_task() - gregkh]
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 0dcd7876029b58770f769cbb7b484e88e4a305e5 upstream.
f7c83bcbfaf5 ("net: xfrm: use __this_cpu_read per-cpu helper") added a
__this_cpu_read() call inside ipcomp_alloc_tfms().
At the time, __this_cpu_read() required the caller to either not care
about races or to handle preemption/interrupt issues. 3.15 tightened
the rules around some per-cpu operations, and now __this_cpu_read()
should never be used in a preemptible context. On 3.15 and later, we
need to use this_cpu_read() instead.
syzkaller reported this leading to the following kernel BUG while
fuzzing sendmsg:
BUG: using __this_cpu_read() in preemptible [00000000] code: repro/3101
caller is ipcomp_init_state+0x185/0x990
CPU: 3 PID: 3101 Comm: repro Not tainted 4.16.0-rc4-00123-g86f84779d8e9 #154
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
Call Trace:
dump_stack+0xb9/0x115
check_preemption_disabled+0x1cb/0x1f0
ipcomp_init_state+0x185/0x990
? __xfrm_init_state+0x876/0xc20
? lock_downgrade+0x5e0/0x5e0
ipcomp4_init_state+0xaa/0x7c0
__xfrm_init_state+0x3eb/0xc20
xfrm_init_state+0x19/0x60
pfkey_add+0x20df/0x36f0
? pfkey_broadcast+0x3dd/0x600
? pfkey_sock_destruct+0x340/0x340
? pfkey_seq_stop+0x80/0x80
? __skb_clone+0x236/0x750
? kmem_cache_alloc+0x1f6/0x260
? pfkey_sock_destruct+0x340/0x340
? pfkey_process+0x62a/0x6f0
pfkey_process+0x62a/0x6f0
? pfkey_send_new_mapping+0x11c0/0x11c0
? mutex_lock_io_nested+0x1390/0x1390
pfkey_sendmsg+0x383/0x750
? dump_sp+0x430/0x430
sock_sendmsg+0xc0/0x100
___sys_sendmsg+0x6c8/0x8b0
? copy_msghdr_from_user+0x3b0/0x3b0
? pagevec_lru_move_fn+0x144/0x1f0
? find_held_lock+0x32/0x1c0
? do_huge_pmd_anonymous_page+0xc43/0x11e0
? lock_downgrade+0x5e0/0x5e0
? get_kernel_page+0xb0/0xb0
? _raw_spin_unlock+0x29/0x40
? do_huge_pmd_anonymous_page+0x400/0x11e0
? __handle_mm_fault+0x553/0x2460
? __fget_light+0x163/0x1f0
? __sys_sendmsg+0xc7/0x170
__sys_sendmsg+0xc7/0x170
? SyS_shutdown+0x1a0/0x1a0
? __do_page_fault+0x5a0/0xca0
? lock_downgrade+0x5e0/0x5e0
SyS_sendmsg+0x27/0x40
? __sys_sendmsg+0x170/0x170
do_syscall_64+0x19f/0x640
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f0ee73dfb79
RSP: 002b:00007ffe14fc15a8 EFLAGS: 00000207 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0ee73dfb79
RDX: 0000000000000000 RSI: 00000000208befc8 RDI: 0000000000000004
RBP: 00007ffe14fc15b0 R08: 00007ffe14fc15c0 R09: 00007ffe14fc15c0
R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000400440
R13: 00007ffe14fc16b0 R14: 0000000000000000 R15: 0000000000000000
Signed-off-by: Greg Hackmann <ghackmann@google.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d97ca5d714a5334aecadadf696875da40f1fbf3e upstream.
The sanity test added in ecd7918745234 can be bypassed, validation
only occurs if XFRM_STATE_ESN flag is set, but rest of code doesn't care
and just checks if the attribute itself is present.
So always validate. Alternative is to reject if we have the attribute
without the flag but that would change abi.
Reported-by: syzbot+0ab777c27d2bb7588f73@syzkaller.appspotmail.com
Cc: Mathias Krause <minipli@googlemail.com>
Fixes: ecd7918745234 ("xfrm_user: ensure user supplied esn replay window is valid")
Fixes: d8647b79c3b7e ("xfrm: Add user interface for esn and big anti-replay windows")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a2b7cbdd2559aff06cebc28a7150f81c307a90d3 upstream.
Not all parameters passed to ctnetlink_parse_tuple() and
ctnetlink_exp_dump_tuple() match the enum type in the signatures of these
functions. Since this is intended change the argument type of to be an
unsigned integer value.
Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
[natechancellor: ctnetlink_exp_dump_tuple is still inline]
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit eee6ebbac18a189ef33d25ea9b8bcae176515e49 upstream.
Clang produces the following warning:
net/ipv4/netfilter/nf_nat_h323.c:553:6: error:
logical not is only applied to the left hand side of this comparison
[-Werror,-Wlogical-not-parentheses]
if (!set_h225_addr(skb, protoff, data, dataoff, taddr,
^
add parentheses after the '!' to evaluate the comparison first
add parentheses around left hand side expression to silence this warning
There's not necessarily a bug here, but it's cleaner to return early,
ex:
if (x)
return
...
rather than:
if (x == 0)
...
else
return
Also added a return code check that seemed to be missing in one
instance.
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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'name' will never be NULL since it isn't a plain pointer but an array
of char values.
../net/netfilter/xt_qtaguid.c:1195:27: warning: address of array
'(*el_dev)->name' will always evaluate to 'true'
[-Wpointer-bool-conversion]
if (unlikely(!(*el_dev)->name)) {
~~~~~~~~~~~~^~~~
Change-Id: If3b25f17829b43e8a639193fb9cd04ae45947200
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
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'ifa_label' will never be NULL since it isn't a plain pointer but an
array of char values.
../net/netfilter/xt_qtaguid.c:971:11: warning: address of array
'ifa->ifa_label' will always evaluate to 'true'
[-Wpointer-bool-conversion]
ifa->ifa_label ? ifa->ifa_label : "(null)");
~~~~~^~~~~~~~~ ~
../net/netfilter/xt_qtaguid.c:972:13: warning: address of array
'ifa->ifa_label' will always evaluate to 'true'
[-Wpointer-bool-conversion]
if (ifa->ifa_label && !strcmp(ifname, ifa->ifa_label))
~~~~~^~~~~~~~~ ~~
Change-Id: I3c87a5d4b830aaa21a59e9c39cfe0a1d60d7f830
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
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Changes in 4.4.126
scsi: sg: don't return bogus Sg_requests
Revert "genirq: Use irqd_get_trigger_type to compare the trigger type for shared IRQs"
net: Fix hlist corruptions in inet_evict_bucket()
dccp: check sk for closed state in dccp_sendmsg()
ipv6: fix access to non-linear packet in ndisc_fill_redirect_hdr_option()
l2tp: do not accept arbitrary sockets
net: ethernet: arc: Fix a potential memory leak if an optional regulator is deferred
net: ethernet: ti: cpsw: add check for in-band mode setting with RGMII PHY interface
net/iucv: Free memory obtained by kzalloc
netlink: avoid a double skb free in genlmsg_mcast()
net: Only honor ifindex in IP_PKTINFO if non-0
skbuff: Fix not waking applications when errors are enqueued
team: Fix double free in error path
s390/qeth: free netdevice when removing a card
s390/qeth: when thread completes, wake up all waiters
s390/qeth: lock read device while queueing next buffer
s390/qeth: on channel error, reject further cmd requests
ieee802154: 6lowpan: fix possible NULL deref in lowpan_device_event()
net: fec: Fix unbalanced PM runtime calls
net: systemport: Rewrite __bcm_sysport_tx_reclaim()
Linux 4.4.126
Change-Id: Ieb8140451241cca4625f18a616568a1963ea8b01
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit ca0edb131bdf1e6beaeb2b8289fd6b374b74147d ]
A tun device type can trivially be set to arbitrary value using
TUNSETLINK ioctl().
Therefore, lowpan_device_event() must really check that ieee802154_ptr
is not NULL.
Fixes: 2c88b5283f60d ("ieee802154: 6lowpan: remove check on null")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Alexander Aring <alex.aring@gmail.com>
Cc: Stefan Schmidt <stefan@osg.samsung.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Acked-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 6e5d58fdc9bedd0255a8781b258f10bbdc63e975 ]
When errors are enqueued to the error queue via sock_queue_err_skb()
function, it is possible that the waiting application is not notified.
Calling 'sk->sk_data_ready()' would not notify applications that
selected only POLLERR events in poll() (for example).
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Reported-by: Randy E. Witt <randy.e.witt@intel.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 2cbb4ea7de167b02ffa63e9cdfdb07a7e7094615 ]
Only allow ifindex from IP_PKTINFO to override SO_BINDTODEVICE settings
if the index is actually set in the message.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 02a2385f37a7c6594c9d89b64c4a1451276f08eb ]
nlmsg_multicast() consumes always the skb, thus the original skb must be
freed only when this function is called with a clone.
Fixes: cb9f7a9a5c96 ("netlink: ensure to loop over all netns in genlmsg_multicast_allns()")
Reported-by: Ben Hutchings <ben.hutchings@codethink.co.uk>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit fa6a91e9b907231d2e38ea5ed89c537b3525df3d ]
Free memory by calling put_device(), if afiucv_iucv_init is not
successful.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 17cfe79a65f98abe535261856c5aef14f306dff7 ]
syzkaller found an issue caused by lack of sufficient checks
in l2tp_tunnel_create()
RAW sockets can not be considered as UDP ones for instance.
In another patch, we shall replace all pr_err() by less intrusive
pr_debug() so that syzkaller can find other bugs faster.
Acked-by: Guillaume Nault <g.nault@alphalink.fr>
Acked-by: James Chapman <jchapman@katalix.com>
==================================================================
BUG: KASAN: slab-out-of-bounds in setup_udp_tunnel_sock+0x3ee/0x5f0 net/ipv4/udp_tunnel.c:69
dst_release: dst:00000000d53d0d0f refcnt:-1
Write of size 1 at addr ffff8801d013b798 by task syz-executor3/6242
CPU: 1 PID: 6242 Comm: syz-executor3 Not tainted 4.16.0-rc2+ #253
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x194/0x24d lib/dump_stack.c:53
print_address_description+0x73/0x250 mm/kasan/report.c:256
kasan_report_error mm/kasan/report.c:354 [inline]
kasan_report+0x23b/0x360 mm/kasan/report.c:412
__asan_report_store1_noabort+0x17/0x20 mm/kasan/report.c:435
setup_udp_tunnel_sock+0x3ee/0x5f0 net/ipv4/udp_tunnel.c:69
l2tp_tunnel_create+0x1354/0x17f0 net/l2tp/l2tp_core.c:1596
pppol2tp_connect+0x14b1/0x1dd0 net/l2tp/l2tp_ppp.c:707
SYSC_connect+0x213/0x4a0 net/socket.c:1640
SyS_connect+0x24/0x30 net/socket.c:1621
do_syscall_64+0x280/0x940 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
Fixes: fd558d186df2 ("l2tp: Split pppol2tp patch into separate l2tp and ppp parts")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 9f62c15f28b0d1d746734666d88a79f08ba1e43e ]
Fix the following slab-out-of-bounds kasan report in
ndisc_fill_redirect_hdr_option when the incoming ipv6 packet is not
linear and the accessed data are not in the linear data region of orig_skb.
[ 1503.122508] ==================================================================
[ 1503.122832] BUG: KASAN: slab-out-of-bounds in ndisc_send_redirect+0x94e/0x990
[ 1503.123036] Read of size 1184 at addr ffff8800298ab6b0 by task netperf/1932
[ 1503.123220] CPU: 0 PID: 1932 Comm: netperf Not tainted 4.16.0-rc2+ #124
[ 1503.123347] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.10.2-2.fc27 04/01/2014
[ 1503.123527] Call Trace:
[ 1503.123579] <IRQ>
[ 1503.123638] print_address_description+0x6e/0x280
[ 1503.123849] kasan_report+0x233/0x350
[ 1503.123946] memcpy+0x1f/0x50
[ 1503.124037] ndisc_send_redirect+0x94e/0x990
[ 1503.125150] ip6_forward+0x1242/0x13b0
[...]
[ 1503.153890] Allocated by task 1932:
[ 1503.153982] kasan_kmalloc+0x9f/0xd0
[ 1503.154074] __kmalloc_track_caller+0xb5/0x160
[ 1503.154198] __kmalloc_reserve.isra.41+0x24/0x70
[ 1503.154324] __alloc_skb+0x130/0x3e0
[ 1503.154415] sctp_packet_transmit+0x21a/0x1810
[ 1503.154533] sctp_outq_flush+0xc14/0x1db0
[ 1503.154624] sctp_do_sm+0x34e/0x2740
[ 1503.154715] sctp_primitive_SEND+0x57/0x70
[ 1503.154807] sctp_sendmsg+0xaa6/0x1b10
[ 1503.154897] sock_sendmsg+0x68/0x80
[ 1503.154987] ___sys_sendmsg+0x431/0x4b0
[ 1503.155078] __sys_sendmsg+0xa4/0x130
[ 1503.155168] do_syscall_64+0x171/0x3f0
[ 1503.155259] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 1503.155436] Freed by task 1932:
[ 1503.155527] __kasan_slab_free+0x134/0x180
[ 1503.155618] kfree+0xbc/0x180
[ 1503.155709] skb_release_data+0x27f/0x2c0
[ 1503.155800] consume_skb+0x94/0xe0
[ 1503.155889] sctp_chunk_put+0x1aa/0x1f0
[ 1503.155979] sctp_inq_pop+0x2f8/0x6e0
[ 1503.156070] sctp_assoc_bh_rcv+0x6a/0x230
[ 1503.156164] sctp_inq_push+0x117/0x150
[ 1503.156255] sctp_backlog_rcv+0xdf/0x4a0
[ 1503.156346] __release_sock+0x142/0x250
[ 1503.156436] release_sock+0x80/0x180
[ 1503.156526] sctp_sendmsg+0xbb0/0x1b10
[ 1503.156617] sock_sendmsg+0x68/0x80
[ 1503.156708] ___sys_sendmsg+0x431/0x4b0
[ 1503.156799] __sys_sendmsg+0xa4/0x130
[ 1503.156889] do_syscall_64+0x171/0x3f0
[ 1503.156980] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 1503.157158] The buggy address belongs to the object at ffff8800298ab600
which belongs to the cache kmalloc-1024 of size 1024
[ 1503.157444] The buggy address is located 176 bytes inside of
1024-byte region [ffff8800298ab600, ffff8800298aba00)
[ 1503.157702] The buggy address belongs to the page:
[ 1503.157820] page:ffffea0000a62a00 count:1 mapcount:0 mapping:0000000000000000 index:0x0 compound_mapcount: 0
[ 1503.158053] flags: 0x4000000000008100(slab|head)
[ 1503.158171] raw: 4000000000008100 0000000000000000 0000000000000000 00000001800e000e
[ 1503.158350] raw: dead000000000100 dead000000000200 ffff880036002600 0000000000000000
[ 1503.158523] page dumped because: kasan: bad access detected
[ 1503.158698] Memory state around the buggy address:
[ 1503.158816] ffff8800298ab900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1503.158988] ffff8800298ab980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 1503.159165] >ffff8800298aba00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 1503.159338] ^
[ 1503.159436] ffff8800298aba80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1503.159610] ffff8800298abb00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 1503.159785] ==================================================================
[ 1503.159964] Disabling lock debugging due to kernel taint
The test scenario to trigger the issue consists of 4 devices:
- H0: data sender, connected to LAN0
- H1: data receiver, connected to LAN1
- GW0 and GW1: routers between LAN0 and LAN1. Both of them have an
ethernet connection on LAN0 and LAN1
On H{0,1} set GW0 as default gateway while on GW0 set GW1 as next hop for
data from LAN0 to LAN1.
Moreover create an ip6ip6 tunnel between H0 and H1 and send 3 concurrent
data streams (TCP/UDP/SCTP) from H0 to H1 through ip6ip6 tunnel (send
buffer size is set to 16K). While data streams are active flush the route
cache on HA multiple times.
I have not been able to identify a given commit that introduced the issue
since, using the reproducer described above, the kasan report has been
triggered from 4.14 and I have not gone back further.
Reported-by: Jianlin Shi <jishi@redhat.com>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 67f93df79aeefc3add4e4b31a752600f834236e2 ]
dccp_disconnect() sets 'dp->dccps_hc_tx_ccid' tx handler to NULL,
therefore if DCCP socket is disconnected and dccp_sendmsg() is
called after it, it will cause a NULL pointer dereference in
dccp_write_xmit().
This crash and the reproducer was reported by syzbot. Looks like
it is reproduced if commit 69c64866ce07 ("dccp: CVE-2017-8824:
use-after-free in DCCP code") is applied.
Reported-by: syzbot+f99ab3887ab65d70f816@syzkaller.appspotmail.com
Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit a560002437d3646dafccecb1bf32d1685112ddda ]
inet_evict_bucket() iterates global list, and
several tasks may call it in parallel. All of
them hash the same fq->list_evictor to different
lists, which leads to list corruption.
This patch makes fq be hashed to expired list
only if this has not been made yet by another
task. Since inet_frag_alloc() allocates fq
using kmem_cache_zalloc(), we may rely on
list_evictor is initially unhashed.
The problem seems to exist before async
pernet_operations, as there was possible to have
exit method to be executed in parallel with
inet_frags::frags_work, so I add two Fixes tags.
This also may go to stable.
Fixes: d1fe19444d82 "inet: frag: don't re-use chainlist for evictor"
Fixes: f84c6821aa54 "net: Convert pernet_subsys, registered from inet_init()"
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Changes in 4.4.124
tpm: fix potential buffer overruns caused by bit glitches on the bus
tpm_tis: fix potential buffer overruns caused by bit glitches on the bus
SMB3: Validate negotiate request must always be signed
CIFS: Enable encryption during session setup phase
staging: android: ashmem: Fix possible deadlock in ashmem_ioctl
platform/x86: asus-nb-wmi: Add wapf4 quirk for the X302UA
regulator: anatop: set default voltage selector for pcie
x86: i8259: export legacy_pic symbol
rtc: cmos: Do not assume irq 8 for rtc when there are no legacy irqs
Input: ar1021_i2c - fix too long name in driver's device table
time: Change posix clocks ops interfaces to use timespec64
ACPI/processor: Fix error handling in __acpi_processor_start()
ACPI/processor: Replace racy task affinity logic
cpufreq/sh: Replace racy task affinity logic
genirq: Use irqd_get_trigger_type to compare the trigger type for shared IRQs
i2c: i2c-scmi: add a MS HID
net: ipv6: send unsolicited NA on admin up
media/dvb-core: Race condition when writing to CAM
spi: dw: Disable clock after unregistering the host
ath: Fix updating radar flags for coutry code India
clk: ns2: Correct SDIO bits
scsi: virtio_scsi: Always try to read VPD pages
KVM: PPC: Book3S PR: Exit KVM on failed mapping
ARM: 8668/1: ftrace: Fix dynamic ftrace with DEBUG_RODATA and !FRAME_POINTER
iommu/omap: Register driver before setting IOMMU ops
md/raid10: wait up frozen array in handle_write_completed
NFS: Fix missing pg_cleanup after nfs_pageio_cond_complete()
tcp: remove poll() flakes with FastOpen
e1000e: fix timing for 82579 Gigabit Ethernet controller
ALSA: hda - Fix headset microphone detection for ASUS N551 and N751
IB/ipoib: Fix deadlock between ipoib_stop and mcast join flow
IB/ipoib: Update broadcast object if PKey value was changed in index 0
HSI: ssi_protocol: double free in ssip_pn_xmit()
IB/mlx4: Take write semaphore when changing the vma struct
IB/mlx4: Change vma from shared to private
ASoC: Intel: Skylake: Uninitialized variable in probe_codec()
Fix driver usage of 128B WQEs when WQ_CREATE is V1.
netfilter: xt_CT: fix refcnt leak on error path
openvswitch: Delete conntrack entry clashing with an expectation.
mmc: host: omap_hsmmc: checking for NULL instead of IS_ERR()
wan: pc300too: abort path on failure
qlcnic: fix unchecked return value
scsi: mac_esp: Replace bogus memory barrier with spinlock
infiniband/uverbs: Fix integer overflows
NFS: don't try to cross a mountpount when there isn't one there.
iio: st_pressure: st_accel: Initialise sensor platform data properly
mt7601u: check return value of alloc_skb
rndis_wlan: add return value validation
Btrfs: send, fix file hole not being preserved due to inline extent
mac80211: don't parse encrypted management frames in ieee80211_frame_acked
mfd: palmas: Reset the POWERHOLD mux during power off
mtip32xx: use runtime tag to initialize command header
staging: unisys: visorhba: fix s-Par to boot with option CONFIG_VMAP_STACK set to y
staging: wilc1000: fix unchecked return value
mmc: sdhci-of-esdhc: limit SD clock for ls1012a/ls1046a
ARM: DRA7: clockdomain: Change the CLKTRCTRL of CM_PCIE_CLKSTCTRL to SW_WKUP
ipmi/watchdog: fix wdog hang on panic waiting for ipmi response
ACPI / PMIC: xpower: Fix power_table addresses
drm/nouveau/kms: Increase max retries in scanout position queries.
bnx2x: Align RX buffers
power: supply: pda_power: move from timer to delayed_work
Input: twl4030-pwrbutton - use correct device for irq request
md/raid10: skip spare disk as 'first' disk
ia64: fix module loading for gcc-5.4
tcm_fileio: Prevent information leak for short reads
video: fbdev: udlfb: Fix buffer on stack
sm501fb: don't return zero on failure path in sm501fb_start()
net: hns: fix ethtool_get_strings overflow in hns driver
cifs: small underflow in cnvrtDosUnixTm()
rtc: ds1374: wdt: Fix issue with timeout scaling from secs to wdt ticks
rtc: ds1374: wdt: Fix stop/start ioctl always returning -EINVAL
perf tests kmod-path: Don't fail if compressed modules aren't supported
Bluetooth: hci_qca: Avoid setup failure on missing rampatch
media: c8sectpfe: fix potential NULL pointer dereference in c8sectpfe_timer_interrupt
drm/msm: fix leak in failed get_pages
RDMA/iwpm: Fix uninitialized error code in iwpm_send_mapinfo()
rtlwifi: rtl_pci: Fix the bug when inactiveps is enabled.
media: bt8xx: Fix err 'bt878_probe()'
media: [RESEND] media: dvb-frontends: Add delay to Si2168 restart
cros_ec: fix nul-termination for firmware build info
platform/chrome: Use proper protocol transfer function
mmc: avoid removing non-removable hosts during suspend
IB/ipoib: Avoid memory leak if the SA returns a different DGID
RDMA/cma: Use correct size when writing netlink stats
IB/umem: Fix use of npages/nmap fields
vgacon: Set VGA struct resource types
drm/omap: DMM: Check for DMM readiness after successful transaction commit
pty: cancel pty slave port buf's work in tty_release
coresight: Fix disabling of CoreSight TPIU
pinctrl: Really force states during suspend/resume
iommu/vt-d: clean up pr_irq if request_threaded_irq fails
ip6_vti: adjust vti mtu according to mtu of lower device
RDMA/ocrdma: Fix permissions for OCRDMA_RESET_STATS
nfsd4: permit layoutget of executable-only files
clk: si5351: Rename internal plls to avoid name collisions
dmaengine: ti-dma-crossbar: Fix event mapping for TPCC_EVT_MUX_60_63
RDMA/ucma: Fix access to non-initialized CM_ID object
Linux 4.4.124
Change-Id: Iac6f5bda7941f032c5b1f58750e084140b0e3f23
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit 53c81e95df1793933f87748d36070a721f6cb287 ]
LTP/udp6_ipsec_vti tests fail when sending large UDP datagrams over
ip6_vti that require fragmentation and the underlying device has an
MTU smaller than 1500 plus some extra space for headers. This happens
because ip6_vti, by default, sets MTU to ETH_DATA_LEN and not updating
it depending on a destination address or link parameter. Further
attempts to send UDP packets may succeed because pmtu gets updated on
ICMPV6_PKT_TOOBIG in vti6_err().
In case the lower device has larger MTU size, e.g. 9000, ip6_vti works
but not using the possible maximum size, output packets have 1500 limit.
The above cases require manual MTU setup after ip6_vti creation. However
ip_vti already updates MTU based on lower device with ip_tunnel_bind_dev().
Here is the example when the lower device MTU is set to 9000:
# ip a sh ltp_ns_veth2
ltp_ns_veth2@if7: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9000 ...
inet 10.0.0.2/24 scope global ltp_ns_veth2
inet6 fd00::2/64 scope global
# ip li add vti6 type vti6 local fd00::2 remote fd00::1
# ip li show vti6
vti6@NONE: <POINTOPOINT,NOARP> mtu 1500 ...
link/tunnel6 fd00::2 peer fd00::1
After the patch:
# ip li add vti6 type vti6 local fd00::2 remote fd00::1
# ip li show vti6
vti6@NONE: <POINTOPOINT,NOARP> mtu 8832 ...
link/tunnel6 fd00::2 peer fd00::1
Reported-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit cf147085fdda044622973a12e4e06f1c753ab677 ]
ieee80211_frame_acked is called when a frame is acked by
the peer. In case this is a management frame, we check
if this an SMPS frame, in which case we can update our
antenna configuration.
When we parse the management frame we look at the category
in case it is an action frame. That byte sits after the IV
in case the frame was encrypted. This means that if the
frame was encrypted, we basically look at the IV instead
of looking at the category. It is then theorically
possible that we think that an SMPS action frame was acked
where really we had another frame that was encrypted.
Since the only management frame whose ack needs to be
tracked is the SMPS action frame, and that frame is not
a robust management frame, it will never be encrypted.
The easiest way to fix this problem is then to not look
at frames that were encrypted.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit cf5d70918877c6a6655dc1e92e2ebb661ce904fd ]
Conntrack helpers do not check for a potentially clashing conntrack
entry when creating a new expectation. Also, nf_conntrack_in() will
check expectations (via init_conntrack()) only if a conntrack entry
can not be found. The expectation for a packet which also matches an
existing conntrack entry will not be removed by conntrack, and is
currently handled inconsistently by OVS, as OVS expects the
expectation to be removed when the connection tracking entry matching
that expectation is confirmed.
It should be noted that normally an IP stack would not allow reuse of
a 5-tuple of an old (possibly lingering) connection for a new data
connection, so this is somewhat unlikely corner case. However, it is
possible that a misbehaving source could cause conntrack entries be
created that could then interfere with new related connections.
Fix this in the OVS module by deleting the clashing conntrack entry
after an expectation has been matched. This causes the following
nf_conntrack_in() call also find the expectation and remove it when
creating the new conntrack entry, as well as the forthcoming reply
direction packets to match the new related connection instead of the
old clashing conntrack entry.
Fixes: 7f8a436eaa2c ("openvswitch: Add conntrack action")
Reported-by: Yang Song <yangsong@vmware.com>
Signed-off-by: Jarno Rajahalme <jarno@ovn.org>
Acked-by: Joe Stringer <joe@ovn.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 470acf55a021713869b9bcc967268ac90c8a0fac ]
There are two cases which causes refcnt leak.
1. When nf_ct_timeout_ext_add failed in xt_ct_set_timeout, it should
free the timeout refcnt.
Now goto the err_put_timeout error handler instead of going ahead.
2. When the time policy is not found, we should call module_put.
Otherwise, the related cthelper module cannot be removed anymore.
It is easy to reproduce by typing the following command:
# iptables -t raw -A OUTPUT -p tcp -j CT --helper ftp --timeout xxx
Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: Liping Zhang <zlpnobody@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 0f9fa831aecfc297b7b45d4f046759bcefcf87f0 ]
When using TCP FastOpen for an active session, we send one wakeup event
from tcp_finish_connect(), right before the data eventually contained in
the received SYNACK is queued to sk->sk_receive_queue.
This means that depending on machine load or luck, poll() users
might receive POLLOUT events instead of POLLIN|POLLOUT
To fix this, we need to move the call to sk->sk_state_change()
after the (optional) call to tcp_rcv_fastopen_synack()
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 4a6e3c5def13c91adf2acc613837001f09af3baa ]
ndisc_notify is the ipv6 equivalent to arp_notify. When arp_notify is
set to 1, gratuitous arp requests are sent when the device is brought up.
The same is expected when ndisc_notify is set to 1 (per ndisc_notify in
Documentation/networking/ip-sysctl.txt). The NA is not sent on NETDEV_UP
event; add it.
Fixes: 5cb04436eef6 ("ipv6: add knob to send unsolicited ND on link-layer address change")
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Changes in 4.4.123
blkcg: fix double free of new_blkg in blkcg_init_queue
Input: tsc2007 - check for presence and power down tsc2007 during probe
staging: speakup: Replace BUG_ON() with WARN_ON().
staging: wilc1000: add check for kmalloc allocation failure.
HID: reject input outside logical range only if null state is set
drm: qxl: Don't alloc fbdev if emulation is not supported
ath10k: fix a warning during channel switch with multiple vaps
PCI/MSI: Stop disabling MSI/MSI-X in pci_device_shutdown()
selinux: check for address length in selinux_socket_bind()
perf sort: Fix segfault with basic block 'cycles' sort dimension
i40e: Acquire NVM lock before reads on all devices
i40e: fix ethtool to get EEPROM data from X722 interface
perf tools: Make perf_event__synthesize_mmap_events() scale
drivers: net: xgene: Fix hardware checksum setting
drm: Defer disabling the vblank IRQ until the next interrupt (for instant-off)
ath10k: disallow DFS simulation if DFS channel is not enabled
perf probe: Return errno when not hitting any event
HID: clamp input to logical range if no null state
net/8021q: create device with all possible features in wanted_features
ARM: dts: Adjust moxart IRQ controller and flags
batman-adv: handle race condition for claims between gateways
of: fix of_device_get_modalias returned length when truncating buffers
solo6x10: release vb2 buffers in solo_stop_streaming()
scsi: ipr: Fix missed EH wakeup
media: i2c/soc_camera: fix ov6650 sensor getting wrong clock
timers, sched_clock: Update timeout for clock wrap
sysrq: Reset the watchdog timers while displaying high-resolution timers
Input: qt1070 - add OF device ID table
sched: act_csum: don't mangle TCP and UDP GSO packets
ASoC: rcar: ssi: don't set SSICR.CKDV = 000 with SSIWSR.CONT
spi: omap2-mcspi: poll OMAP2_MCSPI_CHSTAT_RXS for PIO transfer
tcp: sysctl: Fix a race to avoid unexpected 0 window from space
dmaengine: imx-sdma: add 1ms delay to ensure SDMA channel is stopped
driver: (adm1275) set the m,b and R coefficients correctly for power
mm: Fix false-positive VM_BUG_ON() in page_cache_{get,add}_speculative()
blk-throttle: make sure expire time isn't too big
f2fs: relax node version check for victim data in gc
bonding: refine bond_fold_stats() wrap detection
braille-console: Fix value returned by _braille_console_setup
drm/vmwgfx: Fixes to vmwgfx_fb
vxlan: vxlan dev should inherit lowerdev's gso_max_size
NFC: nfcmrvl: Include unaligned.h instead of access_ok.h
NFC: nfcmrvl: double free on error path
ARM: dts: r8a7790: Correct parent of SSI[0-9] clocks
ARM: dts: r8a7791: Correct parent of SSI[0-9] clocks
powerpc: Avoid taking a data miss on every userspace instruction miss
net/faraday: Add missing include of of.h
ARM: dts: koelsch: Correct clock frequency of X2 DU clock input
reiserfs: Make cancel_old_flush() reliable
ALSA: firewire-digi00x: handle all MIDI messages on streaming packets
fm10k: correctly check if interface is removed
scsi: ses: don't get power status of SES device slot on probe
apparmor: Make path_max parameter readonly
iommu/iova: Fix underflow bug in __alloc_and_insert_iova_range
video: ARM CLCD: fix dma allocation size
drm/radeon: Fail fb creation from imported dma-bufs.
drm/amdgpu: Fail fb creation from imported dma-bufs. (v2)
coresight: Fixes coresight DT parse to get correct output port ID.
MIPS: BPF: Quit clobbering callee saved registers in JIT code.
MIPS: BPF: Fix multiple problems in JIT skb access helpers.
MIPS: r2-on-r6-emu: Fix BLEZL and BGTZL identification
MIPS: r2-on-r6-emu: Clear BLTZALL and BGEZALL debugfs counters
regulator: isl9305: fix array size
md/raid6: Fix anomily when recovering a single device in RAID6.
usb: dwc2: Make sure we disconnect the gadget state
usb: gadget: dummy_hcd: Fix wrong power status bit clear/reset in dummy_hub_control()
drivers/perf: arm_pmu: handle no platform_device
perf inject: Copy events when reordering events in pipe mode
perf session: Don't rely on evlist in pipe mode
scsi: sg: check for valid direction before starting the request
scsi: sg: close race condition in sg_remove_sfp_usercontext()
kprobes/x86: Fix kprobe-booster not to boost far call instructions
kprobes/x86: Set kprobes pages read-only
pwm: tegra: Increase precision in PWM rate calculation
wil6210: fix memory access violation in wil_memcpy_from/toio_32
drm/edid: set ELD connector type in drm_edid_to_eld()
video/hdmi: Allow "empty" HDMI infoframes
HID: elo: clear BTN_LEFT mapping
ARM: dts: exynos: Correct Trats2 panel reset line
sched: Stop switched_to_rt() from sending IPIs to offline CPUs
sched: Stop resched_cpu() from sending IPIs to offline CPUs
test_firmware: fix setting old custom fw path back on exit
net: xfrm: allow clearing socket xfrm policies.
mtd: nand: fix interpretation of NAND_CMD_NONE in nand_command[_lp]()
ARM: dts: am335x-pepper: Fix the audio CODEC's reset pin
ARM: dts: omap3-n900: Fix the audio CODEC's reset pin
ath10k: update tdls teardown state to target
cpufreq: Fix governor module removal race
clk: qcom: msm8916: fix mnd_width for codec_digcodec
ath10k: fix invalid STS_CAP_OFFSET_MASK
tools/usbip: fixes build with musl libc toolchain
spi: sun6i: disable/unprepare clocks on remove
scsi: core: scsi_get_device_flags_keyed(): Always return device flags
scsi: devinfo: apply to HP XP the same flags as Hitachi VSP
scsi: dh: add new rdac devices
media: cpia2: Fix a couple off by one bugs
veth: set peer GSO values
drm/amdkfd: Fix memory leaks in kfd topology
agp/intel: Flush all chipset writes after updating the GGTT
mac80211_hwsim: enforce PS_MANUAL_POLL to be set after PS_ENABLED
mac80211: remove BUG() when interface type is invalid
ASoC: nuc900: Fix a loop timeout test
ipvlan: add L2 check for packets arriving via virtual devices
rcutorture/configinit: Fix build directory error message
ima: relax requiring a file signature for new files with zero length
selftests/x86/entry_from_vm86: Exit with 1 if we fail
selftests/x86: Add tests for User-Mode Instruction Prevention
selftests/x86: Add tests for the STR and SLDT instructions
selftests/x86/entry_from_vm86: Add test cases for POPF
x86/vm86/32: Fix POPF emulation
x86/mm: Fix vmalloc_fault to use pXd_large
ALSA: pcm: Fix UAF in snd_pcm_oss_get_formats()
ALSA: hda - Revert power_save option default value
ALSA: seq: Fix possible UAF in snd_seq_check_queue()
ALSA: seq: Clear client entry before deleting else at closing
drm/amdgpu/dce: Don't turn off DP sink when disconnected
fs: Teach path_connected to handle nfs filesystems with multiple roots.
lock_parent() needs to recheck if dentry got __dentry_kill'ed under it
fs/aio: Add explicit RCU grace period when freeing kioctx
fs/aio: Use RCU accessors for kioctx_table->table[]
irqchip/gic-v3-its: Ensure nr_ites >= nr_lpis
scsi: sg: fix SG_DXFER_FROM_DEV transfers
scsi: sg: fix static checker warning in sg_is_valid_dxfer
scsi: sg: only check for dxfer_len greater than 256M
ARM: dts: LogicPD Torpedo: Fix I2C1 pinmux
btrfs: alloc_chunk: fix DUP stripe size handling
btrfs: Fix use-after-free when cleaning up fs_devs with a single stale device
USB: gadget: udc: Add missing platform_device_put() on error in bdc_pci_probe()
usb: gadget: bdc: 64-bit pointer capability check
bpf: fix incorrect sign extension in check_alu_op()
Linux 4.4.123
Change-Id: Ieb89411248f93522dde29edb8581f8ece22e33a7
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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