| Commit message (Collapse) | Author | Age |
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[ Upstream commit 0261ea1bd1eb0da5c0792a9119b8655cf33c80a3 ]
We can receive ICMP errors from client or from
tunneling real server. While the former can be
scheduled to real server, the latter should
not be scheduled, they are decapsulated only when
existing connection is found.
Fixes: 6044eeffafbe ("ipvs: attempt to schedule icmp packets")
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 8d29d16d21342a0c86405d46de0c4ac5daf1760f upstream
If a non zero value happens to be in xt[NFPROTO_BRIDGE].cur at init
time, the following panic can be caused by running
% ebtables -t broute -F BROUTING
from a 32-bit user level on a 64-bit kernel. This patch replaces
kmalloc_array with kcalloc when allocating xt.
[ 474.680846] BUG: unable to handle kernel paging request at 0000000009600920
[ 474.687869] PGD 2037006067 P4D 2037006067 PUD 2038938067 PMD 0
[ 474.693838] Oops: 0000 [#1] SMP
[ 474.697055] CPU: 9 PID: 4662 Comm: ebtables Kdump: loaded Not tainted 4.19.17-11302235.AroraKernelnext.fc18.x86_64 #1
[ 474.707721] Hardware name: Supermicro X9DRT/X9DRT, BIOS 3.0 06/28/2013
[ 474.714313] RIP: 0010:xt_compat_calc_jump+0x2f/0x63 [x_tables]
[ 474.720201] Code: 40 0f b6 ff 55 31 c0 48 6b ff 70 48 03 3d dc 45 00 00 48 89 e5 8b 4f 6c 4c 8b 47 60 ff c9 39 c8 7f 2f 8d 14 08 d1 fa 48 63 fa <41> 39 34 f8 4c 8d 0c fd 00 00 00 00 73 05 8d 42 01 eb e1 76 05 8d
[ 474.739023] RSP: 0018:ffffc9000943fc58 EFLAGS: 00010207
[ 474.744296] RAX: 0000000000000000 RBX: ffffc90006465000 RCX: 0000000002580249
[ 474.751485] RDX: 00000000012c0124 RSI: fffffffff7be17e9 RDI: 00000000012c0124
[ 474.758670] RBP: ffffc9000943fc58 R08: 0000000000000000 R09: ffffffff8117cf8f
[ 474.765855] R10: ffffc90006477000 R11: 0000000000000000 R12: 0000000000000001
[ 474.773048] R13: 0000000000000000 R14: ffffc9000943fcb8 R15: ffffc9000943fcb8
[ 474.780234] FS: 0000000000000000(0000) GS:ffff88a03f840000(0063) knlGS:00000000f7ac7700
[ 474.788612] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
[ 474.794632] CR2: 0000000009600920 CR3: 0000002037422006 CR4: 00000000000606e0
[ 474.802052] Call Trace:
[ 474.804789] compat_do_replace+0x1fb/0x2a3 [ebtables]
[ 474.810105] compat_do_ebt_set_ctl+0x69/0xe6 [ebtables]
[ 474.815605] ? try_module_get+0x37/0x42
[ 474.819716] compat_nf_setsockopt+0x4f/0x6d
[ 474.824172] compat_ip_setsockopt+0x7e/0x8c
[ 474.828641] compat_raw_setsockopt+0x16/0x3a
[ 474.833220] compat_sock_common_setsockopt+0x1d/0x24
[ 474.838458] __compat_sys_setsockopt+0x17e/0x1b1
[ 474.843343] ? __check_object_size+0x76/0x19a
[ 474.847960] __ia32_compat_sys_socketcall+0x1cb/0x25b
[ 474.853276] do_fast_syscall_32+0xaf/0xf6
[ 474.857548] entry_SYSENTER_compat+0x6b/0x7a
Signed-off-by: Francesco Ruggeri <fruggeri@arista.com>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Zubin Mithra <zsm@chromium.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 8651be8f14a12d24f203f283601d9b0418c389ff upstream.
Baozeng reported this deadlock case:
CPU0 CPU1
---- ----
lock([ 165.136033] sk_lock-AF_INET6);
lock([ 165.136033] rtnl_mutex);
lock([ 165.136033] sk_lock-AF_INET6);
lock([ 165.136033] rtnl_mutex);
Similar to commit 87e9f0315952
("ipv4: fix a potential deadlock in mcast getsockopt() path")
this is due to we still have a case, ipv6_sock_mc_close(),
where we acquire sk_lock before rtnl_lock. Close this deadlock
with the similar solution, that is always acquire rtnl lock first.
Fixes: baf606d9c9b1 ("ipv4,ipv6: grab rtnl before locking the socket")
Reported-by: Baozeng Ding <sploving1@gmail.com>
Tested-by: Baozeng Ding <sploving1@gmail.com>
Cc: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Zubin Mithra <zsm@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d5bb334a8e171b262e48f378bd2096c0ea458265 upstream.
The minimum encryption key size for LE connections is 56 bits and to
align LE with BR/EDR, enforce 56 bits of minimum encryption key size for
BR/EDR connections as well.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit a1616a5ac99ede5d605047a9012481ce7ff18b16 upstream.
Struct ca is copied from userspace. It is not checked whether the "name"
field is NULL terminated, which allows local users to obtain potentially
sensitive information from kernel stack memory, via a HIDPCONNADD command.
This vulnerability is similar to CVE-2011-1079.
Signed-off-by: Young Xiao <YangX92@hotmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 486efdc8f6ce802b27e15921d2353cc740c55451 ]
Packet sockets in datagram mode take a destination address. Verify its
length before passing to dev_hard_header.
Prior to 2.6.14-rc3, the send code ignored sll_halen. This is
established behavior. Directly compare msg_namelen to dev->addr_len.
Change v1->v2: initialize addr in all paths
Fixes: 6b8d95f1795c4 ("packet: validate address length if non-zero")
Suggested-by: David Laight <David.Laight@aculab.com>
Signed-off-by: Willem de Bruijn <willemb@google.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 95c169251bf734aa555a1e8043e4d88ec97a04ec ]
A request for a flowlabel fails in process or user exclusive mode must
fail if the caller pid or uid does not match. Invert the test.
Previously, the test was unsafe wrt PID recycling, but indeed tested
for inequality: fl1->owner != fl->owner
Fixes: 4f82f45730c68 ("net ip6 flowlabel: Make owner a union of struct pid* and kuid_t")
Signed-off-by: Willem de Bruijn <willemb@google.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 6c0afef5fb0c27758f4d52b2210c61b6bd8b4470 ]
syzbot was able to catch a use-after-free read in pid_nr_ns() [1]
ip6fl_seq_show() seems to use RCU protection, dereferencing fl->owner.pid
but fl_free() releases fl->owner.pid before rcu grace period is started.
[1]
BUG: KASAN: use-after-free in pid_nr_ns+0x128/0x140 kernel/pid.c:407
Read of size 4 at addr ffff888094012a04 by task syz-executor.0/18087
CPU: 0 PID: 18087 Comm: syz-executor.0 Not tainted 5.1.0-rc6+ #89
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187
kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317
__asan_report_load4_noabort+0x14/0x20 mm/kasan/generic_report.c:131
pid_nr_ns+0x128/0x140 kernel/pid.c:407
ip6fl_seq_show+0x2f8/0x4f0 net/ipv6/ip6_flowlabel.c:794
seq_read+0xad3/0x1130 fs/seq_file.c:268
proc_reg_read+0x1fe/0x2c0 fs/proc/inode.c:227
do_loop_readv_writev fs/read_write.c:701 [inline]
do_loop_readv_writev fs/read_write.c:688 [inline]
do_iter_read+0x4a9/0x660 fs/read_write.c:922
vfs_readv+0xf0/0x160 fs/read_write.c:984
kernel_readv fs/splice.c:358 [inline]
default_file_splice_read+0x475/0x890 fs/splice.c:413
do_splice_to+0x12a/0x190 fs/splice.c:876
splice_direct_to_actor+0x2d2/0x970 fs/splice.c:953
do_splice_direct+0x1da/0x2a0 fs/splice.c:1062
do_sendfile+0x597/0xd00 fs/read_write.c:1443
__do_sys_sendfile64 fs/read_write.c:1498 [inline]
__se_sys_sendfile64 fs/read_write.c:1490 [inline]
__x64_sys_sendfile64+0x15a/0x220 fs/read_write.c:1490
do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458da9
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f300d24bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000458da9
RDX: 00000000200000c0 RSI: 0000000000000008 RDI: 0000000000000007
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000005a R11: 0000000000000246 R12: 00007f300d24c6d4
R13: 00000000004c5fa3 R14: 00000000004da748 R15: 00000000ffffffff
Allocated by task 17543:
save_stack+0x45/0xd0 mm/kasan/common.c:75
set_track mm/kasan/common.c:87 [inline]
__kasan_kmalloc mm/kasan/common.c:497 [inline]
__kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:470
kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:505
slab_post_alloc_hook mm/slab.h:437 [inline]
slab_alloc mm/slab.c:3393 [inline]
kmem_cache_alloc+0x11a/0x6f0 mm/slab.c:3555
alloc_pid+0x55/0x8f0 kernel/pid.c:168
copy_process.part.0+0x3b08/0x7980 kernel/fork.c:1932
copy_process kernel/fork.c:1709 [inline]
_do_fork+0x257/0xfd0 kernel/fork.c:2226
__do_sys_clone kernel/fork.c:2333 [inline]
__se_sys_clone kernel/fork.c:2327 [inline]
__x64_sys_clone+0xbf/0x150 kernel/fork.c:2327
do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Freed by task 7789:
save_stack+0x45/0xd0 mm/kasan/common.c:75
set_track mm/kasan/common.c:87 [inline]
__kasan_slab_free+0x102/0x150 mm/kasan/common.c:459
kasan_slab_free+0xe/0x10 mm/kasan/common.c:467
__cache_free mm/slab.c:3499 [inline]
kmem_cache_free+0x86/0x260 mm/slab.c:3765
put_pid.part.0+0x111/0x150 kernel/pid.c:111
put_pid+0x20/0x30 kernel/pid.c:105
fl_free+0xbe/0xe0 net/ipv6/ip6_flowlabel.c:102
ip6_fl_gc+0x295/0x3e0 net/ipv6/ip6_flowlabel.c:152
call_timer_fn+0x190/0x720 kernel/time/timer.c:1325
expire_timers kernel/time/timer.c:1362 [inline]
__run_timers kernel/time/timer.c:1681 [inline]
__run_timers kernel/time/timer.c:1649 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1694
__do_softirq+0x266/0x95a kernel/softirq.c:293
The buggy address belongs to the object at ffff888094012a00
which belongs to the cache pid_2 of size 88
The buggy address is located 4 bytes inside of
88-byte region [ffff888094012a00, ffff888094012a58)
The buggy address belongs to the page:
page:ffffea0002500480 count:1 mapcount:0 mapping:ffff88809a483080 index:0xffff888094012980
flags: 0x1fffc0000000200(slab)
raw: 01fffc0000000200 ffffea00018a3508 ffffea0002524a88 ffff88809a483080
raw: ffff888094012980 ffff888094012000 000000010000001b 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888094012900: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
ffff888094012980: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
>ffff888094012a00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
^
ffff888094012a80: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
ffff888094012b00: fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc
Fixes: 4f82f45730c6 ("net ip6 flowlabel: Make owner a union of struct pid * and kuid_t")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Eric W. Biederman <ebiederm@xmission.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 d2f0c961148f65bc73eda72b9fa3a4e80973cb49 ]
Previously, during fragmentation after forwarding, skb->skb_iif isn't
preserved, i.e. 'ip_copy_metadata' does not copy skb_iif from given
'from' skb.
As a result, ip_do_fragment's creates fragments with zero skb_iif,
leading to inconsistent behavior.
Assume for example an eBPF program attached at tc egress (post
forwarding) that examines __sk_buff->ingress_ifindex:
- the correct iif is observed if forwarding path does not involve
fragmentation/refragmentation
- a bogus iif is observed if forwarding path involves
fragmentation/refragmentatiom
Fix, by preserving skb_iif during 'ip_copy_metadata'.
Signed-off-by: Shmulik Ladkani <shmulik.ladkani@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 e166e4fdaced850bee3d5ee12a5740258fb30587 ]
Since Commit 21d1196a35f5 ("ipv4: set transport header earlier"),
skb->transport_header has been always set before entering INET
netfilter. This patch is to set skb->transport_header for bridge
before entering INET netfilter by bridge-nf-call-iptables.
It also fixes an issue that sctp_error() couldn't compute a right
csum due to unset skb->transport_header.
Fixes: e6d8b64b34aa ("net: sctp: fix and consolidate SCTP checksumming code")
Reported-by: Li Shuang <shuali@redhat.com>
Suggested-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin (Microsoft) <sashal@kernel.org>
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[ Upstream commit 19fad20d15a6494f47f85d869f00b11343ee5c78 ]
There is a UBSAN report as below:
UBSAN: Undefined behaviour in net/ipv4/tcp_input.c:2877:56
signed integer overflow:
2147483647 * 1000 cannot be represented in type 'int'
CPU: 3 PID: 0 Comm: swapper/3 Not tainted 5.1.0-rc4-00058-g582549e #1
Call Trace:
<IRQ>
dump_stack+0x8c/0xba
ubsan_epilogue+0x11/0x60
handle_overflow+0x12d/0x170
? ttwu_do_wakeup+0x21/0x320
__ubsan_handle_mul_overflow+0x12/0x20
tcp_ack_update_rtt+0x76c/0x780
tcp_clean_rtx_queue+0x499/0x14d0
tcp_ack+0x69e/0x1240
? __wake_up_sync_key+0x2c/0x50
? update_group_capacity+0x50/0x680
tcp_rcv_established+0x4e2/0xe10
tcp_v4_do_rcv+0x22b/0x420
tcp_v4_rcv+0xfe8/0x1190
ip_protocol_deliver_rcu+0x36/0x180
ip_local_deliver+0x15b/0x1a0
ip_rcv+0xac/0xd0
__netif_receive_skb_one_core+0x7f/0xb0
__netif_receive_skb+0x33/0xc0
netif_receive_skb_internal+0x84/0x1c0
napi_gro_receive+0x2a0/0x300
receive_buf+0x3d4/0x2350
? detach_buf_split+0x159/0x390
virtnet_poll+0x198/0x840
? reweight_entity+0x243/0x4b0
net_rx_action+0x25c/0x770
__do_softirq+0x19b/0x66d
irq_exit+0x1eb/0x230
do_IRQ+0x7a/0x150
common_interrupt+0xf/0xf
</IRQ>
It can be reproduced by:
echo 2147483647 > /proc/sys/net/ipv4/tcp_min_rtt_wlen
Fixes: f672258391b42 ("tcp: track min RTT using windowed min-filter")
Signed-off-by: ZhangXiaoxu <zhangxiaoxu5@huawei.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 20ff83f10f113c88d0bb74589389b05250994c16 ]
Before calling __ip_options_compile(), we need to ensure the network
header is a an IPv4 one, and that it is already pulled in skb->head.
RAW sockets going through a tunnel can end up calling ipv4_link_failure()
with total garbage in the skb, or arbitrary lengthes.
syzbot report :
BUG: KASAN: stack-out-of-bounds in memcpy include/linux/string.h:355 [inline]
BUG: KASAN: stack-out-of-bounds in __ip_options_echo+0x294/0x1120 net/ipv4/ip_options.c:123
Write of size 69 at addr ffff888096abf068 by task syz-executor.4/9204
CPU: 0 PID: 9204 Comm: syz-executor.4 Not tainted 5.1.0-rc5+ #77
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187
kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317
check_memory_region_inline mm/kasan/generic.c:185 [inline]
check_memory_region+0x123/0x190 mm/kasan/generic.c:191
memcpy+0x38/0x50 mm/kasan/common.c:133
memcpy include/linux/string.h:355 [inline]
__ip_options_echo+0x294/0x1120 net/ipv4/ip_options.c:123
__icmp_send+0x725/0x1400 net/ipv4/icmp.c:695
ipv4_link_failure+0x29f/0x550 net/ipv4/route.c:1204
dst_link_failure include/net/dst.h:427 [inline]
vti6_xmit net/ipv6/ip6_vti.c:514 [inline]
vti6_tnl_xmit+0x10d4/0x1c0c net/ipv6/ip6_vti.c:553
__netdev_start_xmit include/linux/netdevice.h:4414 [inline]
netdev_start_xmit include/linux/netdevice.h:4423 [inline]
xmit_one net/core/dev.c:3292 [inline]
dev_hard_start_xmit+0x1b2/0x980 net/core/dev.c:3308
__dev_queue_xmit+0x271d/0x3060 net/core/dev.c:3878
dev_queue_xmit+0x18/0x20 net/core/dev.c:3911
neigh_direct_output+0x16/0x20 net/core/neighbour.c:1527
neigh_output include/net/neighbour.h:508 [inline]
ip_finish_output2+0x949/0x1740 net/ipv4/ip_output.c:229
ip_finish_output+0x73c/0xd50 net/ipv4/ip_output.c:317
NF_HOOK_COND include/linux/netfilter.h:278 [inline]
ip_output+0x21f/0x670 net/ipv4/ip_output.c:405
dst_output include/net/dst.h:444 [inline]
NF_HOOK include/linux/netfilter.h:289 [inline]
raw_send_hdrinc net/ipv4/raw.c:432 [inline]
raw_sendmsg+0x1d2b/0x2f20 net/ipv4/raw.c:663
inet_sendmsg+0x147/0x5d0 net/ipv4/af_inet.c:798
sock_sendmsg_nosec net/socket.c:651 [inline]
sock_sendmsg+0xdd/0x130 net/socket.c:661
sock_write_iter+0x27c/0x3e0 net/socket.c:988
call_write_iter include/linux/fs.h:1866 [inline]
new_sync_write+0x4c7/0x760 fs/read_write.c:474
__vfs_write+0xe4/0x110 fs/read_write.c:487
vfs_write+0x20c/0x580 fs/read_write.c:549
ksys_write+0x14f/0x2d0 fs/read_write.c:599
__do_sys_write fs/read_write.c:611 [inline]
__se_sys_write fs/read_write.c:608 [inline]
__x64_sys_write+0x73/0xb0 fs/read_write.c:608
do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458c29
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f293b44bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000458c29
RDX: 0000000000000014 RSI: 00000000200002c0 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f293b44c6d4
R13: 00000000004c8623 R14: 00000000004ded68 R15: 00000000ffffffff
The buggy address belongs to the page:
page:ffffea00025aafc0 count:0 mapcount:0 mapping:0000000000000000 index:0x0
flags: 0x1fffc0000000000()
raw: 01fffc0000000000 0000000000000000 ffffffff025a0101 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888096abef80: 00 00 00 f2 f2 f2 f2 f2 00 00 00 00 00 00 00 f2
ffff888096abf000: f2 f2 f2 f2 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888096abf080: 00 00 f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00
^
ffff888096abf100: 00 00 00 00 f1 f1 f1 f1 00 00 f3 f3 00 00 00 00
ffff888096abf180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Fixes: ed0de45a1008 ("ipv4: recompile ip options in ipv4_link_failure")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Stephen Suryaputra <ssuryaextr@gmail.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit f7bd9e36ee4a4ce38e1cddd7effe6c0d9943285b upstream.
Add a bpf_check_basics_ok() and reject filters that are of invalid
size much earlier, so we don't do any useless work such as invoking
bpf_prog_alloc(). Currently, rejection happens in bpf_check_classic()
only, but it's really unnecessarily late and they should be rejected
at earliest point. While at it, also clean up one bpf_prog_size() to
make it consistent with the remaining invocations.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Zubin Mithra <zsm@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 8c63bf9ab4be8b83bd8c34aacfd2f1d2c8901c8a upstream.
A similar issue as fixed by Patch "tipc: check bearer name with right
length in tipc_nl_compat_bearer_enable" was also found by syzbot in
tipc_nl_compat_link_set().
The length to check with should be 'TLV_GET_DATA_LEN(msg->req) -
offsetof(struct tipc_link_config, name)'.
Reported-by: syzbot+de00a87b8644a582ae79@syzkaller.appspotmail.com
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 6f07e5f06c8712acc423485f657799fc8e11e56c upstream.
Syzbot reported the following crash:
BUG: KMSAN: uninit-value in memchr+0xce/0x110 lib/string.c:961
memchr+0xce/0x110 lib/string.c:961
string_is_valid net/tipc/netlink_compat.c:176 [inline]
tipc_nl_compat_bearer_enable+0x2c4/0x910 net/tipc/netlink_compat.c:401
__tipc_nl_compat_doit net/tipc/netlink_compat.c:321 [inline]
tipc_nl_compat_doit+0x3aa/0xaf0 net/tipc/netlink_compat.c:354
tipc_nl_compat_handle net/tipc/netlink_compat.c:1162 [inline]
tipc_nl_compat_recv+0x1ae7/0x2750 net/tipc/netlink_compat.c:1265
genl_family_rcv_msg net/netlink/genetlink.c:601 [inline]
genl_rcv_msg+0x185f/0x1a60 net/netlink/genetlink.c:626
netlink_rcv_skb+0x431/0x620 net/netlink/af_netlink.c:2477
genl_rcv+0x63/0x80 net/netlink/genetlink.c:637
netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
netlink_unicast+0xf3e/0x1020 net/netlink/af_netlink.c:1336
netlink_sendmsg+0x127f/0x1300 net/netlink/af_netlink.c:1917
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg net/socket.c:632 [inline]
Uninit was created at:
__alloc_skb+0x309/0xa20 net/core/skbuff.c:208
alloc_skb include/linux/skbuff.h:1012 [inline]
netlink_alloc_large_skb net/netlink/af_netlink.c:1182 [inline]
netlink_sendmsg+0xb82/0x1300 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg net/socket.c:632 [inline]
It was triggered when the bearer name size < TIPC_MAX_BEARER_NAME,
it would check with a wrong len/TLV_GET_DATA_LEN(msg->req), which
also includes priority and disc_domain length.
This patch is to fix it by checking it with a right length:
'TLV_GET_DATA_LEN(msg->req) - offsetof(struct tipc_bearer_config, name)'.
Reported-by: syzbot+8b707430713eb46e1e45@syzkaller.appspotmail.com
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 7caa56f006e9d712b44f27b32520c66420d5cbc6 upstream.
It means userspace gave us a ruleset where there is some other
data after the ebtables target but before the beginning of the next rule.
Fixes: 81e675c227ec ("netfilter: ebtables: add CONFIG_COMPAT support")
Reported-by: syzbot+659574e7bcc7f7eb4df7@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 2ac695d1d602ce00b12170242f58c3d3a8e36d04 upstream.
Syzbot found a crash:
BUG: KMSAN: uninit-value in tipc_nl_compat_name_table_dump+0x54f/0xcd0 net/tipc/netlink_compat.c:872
Call Trace:
tipc_nl_compat_name_table_dump+0x54f/0xcd0 net/tipc/netlink_compat.c:872
__tipc_nl_compat_dumpit+0x59e/0xda0 net/tipc/netlink_compat.c:215
tipc_nl_compat_dumpit+0x63a/0x820 net/tipc/netlink_compat.c:280
tipc_nl_compat_handle net/tipc/netlink_compat.c:1226 [inline]
tipc_nl_compat_recv+0x1b5f/0x2750 net/tipc/netlink_compat.c:1265
genl_family_rcv_msg net/netlink/genetlink.c:601 [inline]
genl_rcv_msg+0x185f/0x1a60 net/netlink/genetlink.c:626
netlink_rcv_skb+0x431/0x620 net/netlink/af_netlink.c:2477
genl_rcv+0x63/0x80 net/netlink/genetlink.c:637
netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
netlink_unicast+0xf3e/0x1020 net/netlink/af_netlink.c:1336
netlink_sendmsg+0x127f/0x1300 net/netlink/af_netlink.c:1917
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg net/socket.c:632 [inline]
Uninit was created at:
__alloc_skb+0x309/0xa20 net/core/skbuff.c:208
alloc_skb include/linux/skbuff.h:1012 [inline]
netlink_alloc_large_skb net/netlink/af_netlink.c:1182 [inline]
netlink_sendmsg+0xb82/0x1300 net/netlink/af_netlink.c:1892
sock_sendmsg_nosec net/socket.c:622 [inline]
sock_sendmsg net/socket.c:632 [inline]
It was supposed to be fixed on commit 974cb0e3e7c9 ("tipc: fix uninit-value
in tipc_nl_compat_name_table_dump") by checking TLV_GET_DATA_LEN(msg->req)
in cmd->header()/tipc_nl_compat_name_table_dump_header(), which is called
ahead of tipc_nl_compat_name_table_dump().
However, tipc_nl_compat_dumpit() doesn't handle the error returned from cmd
header function. It means even when the check added in that fix fails, it
won't stop calling tipc_nl_compat_name_table_dump(), and the issue will be
triggered again.
So this patch is to add the process for the err returned from cmd header
function in tipc_nl_compat_dumpit().
Reported-by: syzbot+3ce8520484b0d4e260a5@syzkaller.appspotmail.com
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d58431eacb226222430940134d97bfd72f292fcd upstream.
A recent commit added a call to cache_fresh_locked()
when an expired item was found.
The call sets the CACHE_VALID flag, so it is important
that the item actually is valid.
There are two ways it could be valid:
1/ If ->update has been called to fill in relevant content
2/ if CACHE_NEGATIVE is set, to say that content doesn't exist.
An expired item that is waiting for an update will be neither.
Setting CACHE_VALID will mean that a subsequent call to cache_put()
will be likely to dereference uninitialised pointers.
So we must make sure the item is valid, and we already have code to do
that in try_to_negate_entry(). This takes the hash lock and so cannot
be used directly, so take out the two lines that we need and use them.
Now cache_fresh_locked() is certain to be called only on
a valid item.
Cc: stable@kernel.org # 2.6.35
Fixes: 4ecd55ea0742 ("sunrpc: fix cache_head leak due to queued request")
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* refs/heads/tmp-aab9adb
Linux 4.4.179
kernel/sysctl.c: fix out-of-bounds access when setting file-max
Revert "locking/lockdep: Add debug_locks check in __lock_downgrade()"
ALSA: info: Fix racy addition/deletion of nodes
mm/vmstat.c: fix /proc/vmstat format for CONFIG_DEBUG_TLBFLUSH=y CONFIG_SMP=n
device_cgroup: fix RCU imbalance in error case
sched/fair: Limit sched_cfs_period_timer() loop to avoid hard lockup
Revert "kbuild: use -Oz instead of -Os when using clang"
mac80211: do not call driver wake_tx_queue op during reconfig
kprobes: Fix error check when reusing optimized probes
kprobes: Mark ftrace mcount handler functions nokprobe
x86/kprobes: Verify stack frame on kretprobe
arm64: futex: Restore oldval initialization to work around buggy compilers
crypto: x86/poly1305 - fix overflow during partial reduction
ALSA: core: Fix card races between register and disconnect
staging: comedi: ni_usb6501: Fix possible double-free of ->usb_rx_buf
staging: comedi: ni_usb6501: Fix use of uninitialized mutex
staging: comedi: vmk80xx: Fix possible double-free of ->usb_rx_buf
staging: comedi: vmk80xx: Fix use of uninitialized semaphore
io: accel: kxcjk1013: restore the range after resume.
iio: adc: at91: disable adc channel interrupt in timeout case
iio: ad_sigma_delta: select channel when reading register
iio/gyro/bmg160: Use millidegrees for temperature scale
KVM: x86: Don't clear EFER during SMM transitions for 32-bit vCPU
tpm/tpm_i2c_atmel: Return -E2BIG when the transfer is incomplete
modpost: file2alias: check prototype of handler
modpost: file2alias: go back to simple devtable lookup
crypto: crypto4xx - properly set IV after de- and encrypt
ipv4: ensure rcu_read_lock() in ipv4_link_failure()
ipv4: recompile ip options in ipv4_link_failure
tcp: tcp_grow_window() needs to respect tcp_space()
net: fou: do not use guehdr after iptunnel_pull_offloads in gue_udp_recv
net: bridge: multicast: use rcu to access port list from br_multicast_start_querier
net: atm: Fix potential Spectre v1 vulnerabilities
bonding: fix event handling for stacked bonds
appletalk: Fix compile regression
ovl: fix uid/gid when creating over whiteout
tpm/tpm_crb: Avoid unaligned reads in crb_recv()
include/linux/swap.h: use offsetof() instead of custom __swapoffset macro
lib/div64.c: off by one in shift
appletalk: Fix use-after-free in atalk_proc_exit
ARM: 8839/1: kprobe: make patch_lock a raw_spinlock_t
iommu/dmar: Fix buffer overflow during PCI bus notification
crypto: sha512/arm - fix crash bug in Thumb2 build
crypto: sha256/arm - fix crash bug in Thumb2 build
cifs: fallback to older infolevels on findfirst queryinfo retry
ACPI / SBS: Fix GPE storm on recent MacBookPro's
ARM: samsung: Limit SAMSUNG_PM_CHECK config option to non-Exynos platforms
serial: uartps: console_setup() can't be placed to init section
f2fs: fix to do sanity check with current segment number
9p locks: add mount option for lock retry interval
9p: do not trust pdu content for stat item size
rsi: improve kernel thread handling to fix kernel panic
ext4: prohibit fstrim in norecovery mode
fix incorrect error code mapping for OBJECTID_NOT_FOUND
x86/hw_breakpoints: Make default case in hw_breakpoint_arch_parse() return an error
iommu/vt-d: Check capability before disabling protected memory
x86/cpu/cyrix: Use correct macros for Cyrix calls on Geode processors
x86/hpet: Prevent potential NULL pointer dereference
perf tests: Fix a memory leak in test__perf_evsel__tp_sched_test()
perf tests: Fix a memory leak of cpu_map object in the openat_syscall_event_on_all_cpus test
perf evsel: Free evsel->counts in perf_evsel__exit()
perf top: Fix error handling in cmd_top()
tools/power turbostat: return the exit status of a command
thermal/int340x_thermal: fix mode setting
thermal/int340x_thermal: Add additional UUIDs
ALSA: opl3: fix mismatch between snd_opl3_drum_switch definition and declaration
mmc: davinci: remove extraneous __init annotation
IB/mlx4: Fix race condition between catas error reset and aliasguid flows
ALSA: sb8: add a check for request_region
ALSA: echoaudio: add a check for ioremap_nocache
ext4: report real fs size after failed resize
ext4: add missing brelse() in add_new_gdb_meta_bg()
perf/core: Restore mmap record type correctly
PCI: Add function 1 DMA alias quirk for Marvell 9170 SATA controller
xtensa: fix return_address
sched/fair: Do not re-read ->h_load_next during hierarchical load calculation
xen: Prevent buffer overflow in privcmd ioctl
arm64: futex: Fix FUTEX_WAKE_OP atomic ops with non-zero result value
ARM: dts: at91: Fix typo in ISC_D0 on PC9
genirq: Respect IRQCHIP_SKIP_SET_WAKE in irq_chip_set_wake_parent()
block: do not leak memory in bio_copy_user_iov()
ASoC: fsl_esai: fix channel swap issue when stream starts
include/linux/bitrev.h: fix constant bitrev
ALSA: seq: Fix OOB-reads from strlcpy
ip6_tunnel: Match to ARPHRD_TUNNEL6 for dev type
net: ethtool: not call vzalloc for zero sized memory request
netns: provide pure entropy for net_hash_mix()
tcp: Ensure DCTCP reacts to losses
sctp: initialize _pad of sockaddr_in before copying to user memory
qmi_wwan: add Olicard 600
openvswitch: fix flow actions reallocation
net: rds: force to destroy connection if t_sock is NULL in rds_tcp_kill_sock().
ipv6: sit: reset ip header pointer in ipip6_rcv
ipv6: Fix dangling pointer when ipv6 fragment
tty: ldisc: add sysctl to prevent autoloading of ldiscs
tty: mark Siemens R3964 line discipline as BROKEN
lib/string.c: implement a basic bcmp
x86/vdso: Drop implicit common-page-size linker flag
x86: vdso: Use $LD instead of $CC to link
x86/build: Specify elf_i386 linker emulation explicitly for i386 objects
kbuild: clang: choose GCC_TOOLCHAIN_DIR not on LD
binfmt_elf: switch to new creds when switching to new mm
drm/dp/mst: Configure no_stop_bit correctly for remote i2c xfers
dmaengine: tegra: avoid overflow of byte tracking
x86/build: Mark per-CPU symbols as absolute explicitly for LLD
wlcore: Fix memory leak in case wl12xx_fetch_firmware failure
regulator: act8865: Fix act8600_sudcdc_voltage_ranges setting
media: s5p-jpeg: Check for fmt_ver_flag when doing fmt enumeration
netfilter: physdev: relax br_netfilter dependency
dmaengine: imx-dma: fix warning comparison of distinct pointer types
hpet: Fix missing '=' character in the __setup() code of hpet_mmap_enable
soc/tegra: fuse: Fix illegal free of IO base address
hwrng: virtio - Avoid repeated init of completion
media: mt9m111: set initial frame size other than 0x0
tty: increase the default flip buffer limit to 2*640K
ARM: avoid Cortex-A9 livelock on tight dmb loops
mt7601u: bump supported EEPROM version
soc: qcom: gsbi: Fix error handling in gsbi_probe()
ASoC: fsl-asoc-card: fix object reference leaks in fsl_asoc_card_probe
cdrom: Fix race condition in cdrom_sysctl_register
fbdev: fbmem: fix memory access if logo is bigger than the screen
bcache: improve sysfs_strtoul_clamp()
bcache: fix input overflow to sequential_cutoff
bcache: fix input overflow to cache set sysfs file io_error_halflife
ALSA: PCM: check if ops are defined before suspending PCM
ARM: 8833/1: Ensure that NEON code always compiles with Clang
kprobes: Prohibit probing on bsearch()
leds: lp55xx: fix null deref on firmware load failure
media: mx2_emmaprp: Correct return type for mem2mem buffer helpers
media: s5p-g2d: Correct return type for mem2mem buffer helpers
media: s5p-jpeg: Correct return type for mem2mem buffer helpers
media: sh_veu: Correct return type for mem2mem buffer helpers
SoC: imx-sgtl5000: add missing put_device()
perf test: Fix failure of 'evsel-tp-sched' test on s390
scsi: megaraid_sas: return error when create DMA pool failed
IB/mlx4: Increase the timeout for CM cache
e1000e: Fix -Wformat-truncation warnings
mmc: omap: fix the maximum timeout setting
ARM: 8840/1: use a raw_spinlock_t in unwind
coresight: etm4x: Add support to enable ETMv4.2
scsi: core: replace GFP_ATOMIC with GFP_KERNEL in scsi_scan.c
usb: chipidea: Grab the (legacy) USB PHY by phandle first
tools lib traceevent: Fix buffer overflow in arg_eval
fs: fix guard_bio_eod to check for real EOD errors
cifs: Fix NULL pointer dereference of devname
dm thin: add sanity checks to thin-pool and external snapshot creation
cifs: use correct format characters
fs/file.c: initialize init_files.resize_wait
f2fs: do not use mutex lock in atomic context
ocfs2: fix a panic problem caused by o2cb_ctl
mm/slab.c: kmemleak no scan alien caches
mm/vmalloc.c: fix kernel BUG at mm/vmalloc.c:512!
mm/page_ext.c: fix an imbalance with kmemleak
mm/cma.c: cma_declare_contiguous: correct err handling
enic: fix build warning without CONFIG_CPUMASK_OFFSTACK
sysctl: handle overflow for file-max
gpio: gpio-omap: fix level interrupt idling
tracing: kdb: Fix ftdump to not sleep
h8300: use cc-cross-prefix instead of hardcoding h8300-unknown-linux-
CIFS: fix POSIX lock leak and invalid ptr deref
tty/serial: atmel: RS485 HD w/DMA: enable RX after TX is stopped
Bluetooth: Fix decrementing reference count twice in releasing socket
i2c: core-smbus: prevent stack corruption on read I2C_BLOCK_DATA
mm: mempolicy: make mbind() return -EIO when MPOL_MF_STRICT is specified
tty/serial: atmel: Add is_half_duplex helper
lib/int_sqrt: optimize initial value compute
ext4: cleanup bh release code in ext4_ind_remove_space()
arm64: debug: Ensure debug handlers check triggering exception level
arm64: debug: Don't propagate UNKNOWN FAR into si_code for debug signals
Make arm64 serial port config compatible with crosvm
Fix merge issue with 4.4.178
Fix merge issue with 4.4.177
ANDROID: cuttlefish_defconfig: Enable CONFIG_OVERLAY_FS
Change-Id: I0d6e7b00f0198867803d5fe305ce13e205cc7518
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.179
arm64: debug: Don't propagate UNKNOWN FAR into si_code for debug signals
arm64: debug: Ensure debug handlers check triggering exception level
ext4: cleanup bh release code in ext4_ind_remove_space()
lib/int_sqrt: optimize initial value compute
tty/serial: atmel: Add is_half_duplex helper
mm: mempolicy: make mbind() return -EIO when MPOL_MF_STRICT is specified
i2c: core-smbus: prevent stack corruption on read I2C_BLOCK_DATA
Bluetooth: Fix decrementing reference count twice in releasing socket
tty/serial: atmel: RS485 HD w/DMA: enable RX after TX is stopped
CIFS: fix POSIX lock leak and invalid ptr deref
h8300: use cc-cross-prefix instead of hardcoding h8300-unknown-linux-
tracing: kdb: Fix ftdump to not sleep
gpio: gpio-omap: fix level interrupt idling
sysctl: handle overflow for file-max
enic: fix build warning without CONFIG_CPUMASK_OFFSTACK
mm/cma.c: cma_declare_contiguous: correct err handling
mm/page_ext.c: fix an imbalance with kmemleak
mm/vmalloc.c: fix kernel BUG at mm/vmalloc.c:512!
mm/slab.c: kmemleak no scan alien caches
ocfs2: fix a panic problem caused by o2cb_ctl
f2fs: do not use mutex lock in atomic context
fs/file.c: initialize init_files.resize_wait
cifs: use correct format characters
dm thin: add sanity checks to thin-pool and external snapshot creation
cifs: Fix NULL pointer dereference of devname
fs: fix guard_bio_eod to check for real EOD errors
tools lib traceevent: Fix buffer overflow in arg_eval
usb: chipidea: Grab the (legacy) USB PHY by phandle first
scsi: core: replace GFP_ATOMIC with GFP_KERNEL in scsi_scan.c
coresight: etm4x: Add support to enable ETMv4.2
ARM: 8840/1: use a raw_spinlock_t in unwind
mmc: omap: fix the maximum timeout setting
e1000e: Fix -Wformat-truncation warnings
IB/mlx4: Increase the timeout for CM cache
scsi: megaraid_sas: return error when create DMA pool failed
perf test: Fix failure of 'evsel-tp-sched' test on s390
SoC: imx-sgtl5000: add missing put_device()
media: sh_veu: Correct return type for mem2mem buffer helpers
media: s5p-jpeg: Correct return type for mem2mem buffer helpers
media: s5p-g2d: Correct return type for mem2mem buffer helpers
media: mx2_emmaprp: Correct return type for mem2mem buffer helpers
leds: lp55xx: fix null deref on firmware load failure
kprobes: Prohibit probing on bsearch()
ARM: 8833/1: Ensure that NEON code always compiles with Clang
ALSA: PCM: check if ops are defined before suspending PCM
bcache: fix input overflow to cache set sysfs file io_error_halflife
bcache: fix input overflow to sequential_cutoff
bcache: improve sysfs_strtoul_clamp()
fbdev: fbmem: fix memory access if logo is bigger than the screen
cdrom: Fix race condition in cdrom_sysctl_register
ASoC: fsl-asoc-card: fix object reference leaks in fsl_asoc_card_probe
soc: qcom: gsbi: Fix error handling in gsbi_probe()
mt7601u: bump supported EEPROM version
ARM: avoid Cortex-A9 livelock on tight dmb loops
tty: increase the default flip buffer limit to 2*640K
media: mt9m111: set initial frame size other than 0x0
hwrng: virtio - Avoid repeated init of completion
soc/tegra: fuse: Fix illegal free of IO base address
hpet: Fix missing '=' character in the __setup() code of hpet_mmap_enable
dmaengine: imx-dma: fix warning comparison of distinct pointer types
netfilter: physdev: relax br_netfilter dependency
media: s5p-jpeg: Check for fmt_ver_flag when doing fmt enumeration
regulator: act8865: Fix act8600_sudcdc_voltage_ranges setting
wlcore: Fix memory leak in case wl12xx_fetch_firmware failure
x86/build: Mark per-CPU symbols as absolute explicitly for LLD
dmaengine: tegra: avoid overflow of byte tracking
drm/dp/mst: Configure no_stop_bit correctly for remote i2c xfers
binfmt_elf: switch to new creds when switching to new mm
kbuild: clang: choose GCC_TOOLCHAIN_DIR not on LD
x86/build: Specify elf_i386 linker emulation explicitly for i386 objects
x86: vdso: Use $LD instead of $CC to link
x86/vdso: Drop implicit common-page-size linker flag
lib/string.c: implement a basic bcmp
tty: mark Siemens R3964 line discipline as BROKEN
tty: ldisc: add sysctl to prevent autoloading of ldiscs
ipv6: Fix dangling pointer when ipv6 fragment
ipv6: sit: reset ip header pointer in ipip6_rcv
net: rds: force to destroy connection if t_sock is NULL in rds_tcp_kill_sock().
openvswitch: fix flow actions reallocation
qmi_wwan: add Olicard 600
sctp: initialize _pad of sockaddr_in before copying to user memory
tcp: Ensure DCTCP reacts to losses
netns: provide pure entropy for net_hash_mix()
net: ethtool: not call vzalloc for zero sized memory request
ip6_tunnel: Match to ARPHRD_TUNNEL6 for dev type
ALSA: seq: Fix OOB-reads from strlcpy
include/linux/bitrev.h: fix constant bitrev
ASoC: fsl_esai: fix channel swap issue when stream starts
block: do not leak memory in bio_copy_user_iov()
genirq: Respect IRQCHIP_SKIP_SET_WAKE in irq_chip_set_wake_parent()
ARM: dts: at91: Fix typo in ISC_D0 on PC9
arm64: futex: Fix FUTEX_WAKE_OP atomic ops with non-zero result value
xen: Prevent buffer overflow in privcmd ioctl
sched/fair: Do not re-read ->h_load_next during hierarchical load calculation
xtensa: fix return_address
PCI: Add function 1 DMA alias quirk for Marvell 9170 SATA controller
perf/core: Restore mmap record type correctly
ext4: add missing brelse() in add_new_gdb_meta_bg()
ext4: report real fs size after failed resize
ALSA: echoaudio: add a check for ioremap_nocache
ALSA: sb8: add a check for request_region
IB/mlx4: Fix race condition between catas error reset and aliasguid flows
mmc: davinci: remove extraneous __init annotation
ALSA: opl3: fix mismatch between snd_opl3_drum_switch definition and declaration
thermal/int340x_thermal: Add additional UUIDs
thermal/int340x_thermal: fix mode setting
tools/power turbostat: return the exit status of a command
perf top: Fix error handling in cmd_top()
perf evsel: Free evsel->counts in perf_evsel__exit()
perf tests: Fix a memory leak of cpu_map object in the openat_syscall_event_on_all_cpus test
perf tests: Fix a memory leak in test__perf_evsel__tp_sched_test()
x86/hpet: Prevent potential NULL pointer dereference
x86/cpu/cyrix: Use correct macros for Cyrix calls on Geode processors
iommu/vt-d: Check capability before disabling protected memory
x86/hw_breakpoints: Make default case in hw_breakpoint_arch_parse() return an error
fix incorrect error code mapping for OBJECTID_NOT_FOUND
ext4: prohibit fstrim in norecovery mode
rsi: improve kernel thread handling to fix kernel panic
9p: do not trust pdu content for stat item size
9p locks: add mount option for lock retry interval
f2fs: fix to do sanity check with current segment number
serial: uartps: console_setup() can't be placed to init section
ARM: samsung: Limit SAMSUNG_PM_CHECK config option to non-Exynos platforms
ACPI / SBS: Fix GPE storm on recent MacBookPro's
cifs: fallback to older infolevels on findfirst queryinfo retry
crypto: sha256/arm - fix crash bug in Thumb2 build
crypto: sha512/arm - fix crash bug in Thumb2 build
iommu/dmar: Fix buffer overflow during PCI bus notification
ARM: 8839/1: kprobe: make patch_lock a raw_spinlock_t
appletalk: Fix use-after-free in atalk_proc_exit
lib/div64.c: off by one in shift
include/linux/swap.h: use offsetof() instead of custom __swapoffset macro
tpm/tpm_crb: Avoid unaligned reads in crb_recv()
ovl: fix uid/gid when creating over whiteout
appletalk: Fix compile regression
bonding: fix event handling for stacked bonds
net: atm: Fix potential Spectre v1 vulnerabilities
net: bridge: multicast: use rcu to access port list from br_multicast_start_querier
net: fou: do not use guehdr after iptunnel_pull_offloads in gue_udp_recv
tcp: tcp_grow_window() needs to respect tcp_space()
ipv4: recompile ip options in ipv4_link_failure
ipv4: ensure rcu_read_lock() in ipv4_link_failure()
crypto: crypto4xx - properly set IV after de- and encrypt
modpost: file2alias: go back to simple devtable lookup
modpost: file2alias: check prototype of handler
tpm/tpm_i2c_atmel: Return -E2BIG when the transfer is incomplete
KVM: x86: Don't clear EFER during SMM transitions for 32-bit vCPU
iio/gyro/bmg160: Use millidegrees for temperature scale
iio: ad_sigma_delta: select channel when reading register
iio: adc: at91: disable adc channel interrupt in timeout case
io: accel: kxcjk1013: restore the range after resume.
staging: comedi: vmk80xx: Fix use of uninitialized semaphore
staging: comedi: vmk80xx: Fix possible double-free of ->usb_rx_buf
staging: comedi: ni_usb6501: Fix use of uninitialized mutex
staging: comedi: ni_usb6501: Fix possible double-free of ->usb_rx_buf
ALSA: core: Fix card races between register and disconnect
crypto: x86/poly1305 - fix overflow during partial reduction
arm64: futex: Restore oldval initialization to work around buggy compilers
x86/kprobes: Verify stack frame on kretprobe
kprobes: Mark ftrace mcount handler functions nokprobe
kprobes: Fix error check when reusing optimized probes
mac80211: do not call driver wake_tx_queue op during reconfig
Revert "kbuild: use -Oz instead of -Os when using clang"
sched/fair: Limit sched_cfs_period_timer() loop to avoid hard lockup
device_cgroup: fix RCU imbalance in error case
mm/vmstat.c: fix /proc/vmstat format for CONFIG_DEBUG_TLBFLUSH=y CONFIG_SMP=n
ALSA: info: Fix racy addition/deletion of nodes
Revert "locking/lockdep: Add debug_locks check in __lock_downgrade()"
kernel/sysctl.c: fix out-of-bounds access when setting file-max
Linux 4.4.179
Change-Id: Ib81a248d73ba7504649be93bd6882b290e548882
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit 4856bfd230985e43e84c26473c91028ff0a533bd upstream.
There are several scenarios in which mac80211 can call drv_wake_tx_queue
after ieee80211_restart_hw has been called and has not yet completed.
Driver private structs are considered uninitialized until mac80211 has
uploaded the vifs, stations and keys again, so using private tx queue
data during that time is not safe.
The driver can also not rely on drv_reconfig_complete to figure out when
it is safe to accept drv_wake_tx_queue calls again, because it is only
called after all tx queues are woken again.
To fix this, bail out early in drv_wake_tx_queue if local->in_reconfig
is set.
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit c543cb4a5f07e09237ec0fc2c60c9f131b2c79ad ]
fib_compute_spec_dst() needs to be called under rcu protection.
syzbot reported :
WARNING: suspicious RCU usage
5.1.0-rc4+ #165 Not tainted
include/linux/inetdevice.h:220 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
1 lock held by swapper/0/0:
#0: 0000000051b67925 ((&n->timer)){+.-.}, at: lockdep_copy_map include/linux/lockdep.h:170 [inline]
#0: 0000000051b67925 ((&n->timer)){+.-.}, at: call_timer_fn+0xda/0x720 kernel/time/timer.c:1315
stack backtrace:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.1.0-rc4+ #165
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
lockdep_rcu_suspicious+0x153/0x15d kernel/locking/lockdep.c:5162
__in_dev_get_rcu include/linux/inetdevice.h:220 [inline]
fib_compute_spec_dst+0xbbd/0x1030 net/ipv4/fib_frontend.c:294
spec_dst_fill net/ipv4/ip_options.c:245 [inline]
__ip_options_compile+0x15a7/0x1a10 net/ipv4/ip_options.c:343
ipv4_link_failure+0x172/0x400 net/ipv4/route.c:1195
dst_link_failure include/net/dst.h:427 [inline]
arp_error_report+0xd1/0x1c0 net/ipv4/arp.c:297
neigh_invalidate+0x24b/0x570 net/core/neighbour.c:995
neigh_timer_handler+0xc35/0xf30 net/core/neighbour.c:1081
call_timer_fn+0x190/0x720 kernel/time/timer.c:1325
expire_timers kernel/time/timer.c:1362 [inline]
__run_timers kernel/time/timer.c:1681 [inline]
__run_timers kernel/time/timer.c:1649 [inline]
run_timer_softirq+0x652/0x1700 kernel/time/timer.c:1694
__do_softirq+0x266/0x95a kernel/softirq.c:293
invoke_softirq kernel/softirq.c:374 [inline]
irq_exit+0x180/0x1d0 kernel/softirq.c:414
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x14a/0x570 arch/x86/kernel/apic/apic.c:1062
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
Fixes: ed0de45a1008 ("ipv4: recompile ip options in ipv4_link_failure")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: syzbot <syzkaller@googlegroups.com>
Cc: Stephen Suryaputra <ssuryaextr@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 ed0de45a1008991fdaa27a0152befcb74d126a8b ]
Recompile IP options since IPCB may not be valid anymore when
ipv4_link_failure is called from arp_error_report.
Refer to the commit 3da1ed7ac398 ("net: avoid use IPCB in cipso_v4_error")
and the commit before that (9ef6b42ad6fd) for a similar issue.
Signed-off-by: Stephen Suryaputra <ssuryaextr@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 50ce163a72d817a99e8974222dcf2886d5deb1ae ]
For some reason, tcp_grow_window() correctly tests if enough room
is present before attempting to increase tp->rcv_ssthresh,
but does not prevent it to grow past tcp_space()
This is causing hard to debug issues, like failing
the (__tcp_select_window(sk) >= tp->rcv_wnd) test
in __tcp_ack_snd_check(), causing ACK delays and possibly
slow flows.
Depending on tcp_rmem[2], MTU, skb->len/skb->truesize ratio,
we can see the problem happening on "netperf -t TCP_RR -- -r 2000,2000"
after about 60 round trips, when the active side no longer sends
immediate acks.
This bug predates git history.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Wei Wang <weiwan@google.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 988dc4a9a3b66be75b30405a5494faf0dc7cffb6 ]
gue tunnels run iptunnel_pull_offloads on received skbs. This can
determine a possible use-after-free accessing guehdr pointer since
the packet will be 'uncloned' running pskb_expand_head if it is a
cloned gso skb (e.g if the packet has been sent though a veth device)
Fixes: a09a4c8dd1ec ("tunnels: Remove encapsulation offloads on decap")
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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br_multicast_start_querier
[ Upstream commit c5b493ce192bd7a4e7bd073b5685aad121eeef82 ]
br_multicast_start_querier() walks over the port list but it can be
called from a timer with only multicast_lock held which doesn't protect
the port list, so use RCU to walk over it.
Fixes: c83b8fab06fc ("bridge: Restart queries when last querier expires")
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.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 899537b73557aafbdd11050b501cf54b4f5c45af ]
arg is controlled by user-space, hence leading to a potential
exploitation of the Spectre variant 1 vulnerability.
This issue was detected with the help of Smatch:
net/atm/lec.c:715 lec_mcast_attach() warn: potential spectre issue 'dev_lec' [r] (local cap)
Fix this by sanitizing arg before using it to index dev_lec.
Notice that given that speculation windows are large, the policy is
to kill the speculation on the first load and not worry if it can be
completed with a dependent load/store [1].
[1] https://lore.kernel.org/lkml/20180423164740.GY17484@dhcp22.suse.cz/
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.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 6377f787aeb945cae7abbb6474798de129e1f3ac ]
KASAN report this:
BUG: KASAN: use-after-free in pde_subdir_find+0x12d/0x150 fs/proc/generic.c:71
Read of size 8 at addr ffff8881f41fe5b0 by task syz-executor.0/2806
CPU: 0 PID: 2806 Comm: syz-executor.0 Not tainted 5.0.0-rc7+ #45
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0xfa/0x1ce lib/dump_stack.c:113
print_address_description+0x65/0x270 mm/kasan/report.c:187
kasan_report+0x149/0x18d mm/kasan/report.c:317
pde_subdir_find+0x12d/0x150 fs/proc/generic.c:71
remove_proc_entry+0xe8/0x420 fs/proc/generic.c:667
atalk_proc_exit+0x18/0x820 [appletalk]
atalk_exit+0xf/0x5a [appletalk]
__do_sys_delete_module kernel/module.c:1018 [inline]
__se_sys_delete_module kernel/module.c:961 [inline]
__x64_sys_delete_module+0x3dc/0x5e0 kernel/module.c:961
do_syscall_64+0x147/0x600 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x462e99
Code: f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb2de6b9c58 EFLAGS: 00000246 ORIG_RAX: 00000000000000b0
RAX: ffffffffffffffda RBX: 000000000073bf00 RCX: 0000000000462e99
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb2de6ba6bc
R13: 00000000004bccaa R14: 00000000006f6bc8 R15: 00000000ffffffff
Allocated by task 2806:
set_track mm/kasan/common.c:85 [inline]
__kasan_kmalloc.constprop.3+0xa0/0xd0 mm/kasan/common.c:496
slab_post_alloc_hook mm/slab.h:444 [inline]
slab_alloc_node mm/slub.c:2739 [inline]
slab_alloc mm/slub.c:2747 [inline]
kmem_cache_alloc+0xcf/0x250 mm/slub.c:2752
kmem_cache_zalloc include/linux/slab.h:730 [inline]
__proc_create+0x30f/0xa20 fs/proc/generic.c:408
proc_mkdir_data+0x47/0x190 fs/proc/generic.c:469
0xffffffffc10c01bb
0xffffffffc10c0166
do_one_initcall+0xfa/0x5ca init/main.c:887
do_init_module+0x204/0x5f6 kernel/module.c:3460
load_module+0x66b2/0x8570 kernel/module.c:3808
__do_sys_finit_module+0x238/0x2a0 kernel/module.c:3902
do_syscall_64+0x147/0x600 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Freed by task 2806:
set_track mm/kasan/common.c:85 [inline]
__kasan_slab_free+0x130/0x180 mm/kasan/common.c:458
slab_free_hook mm/slub.c:1409 [inline]
slab_free_freelist_hook mm/slub.c:1436 [inline]
slab_free mm/slub.c:2986 [inline]
kmem_cache_free+0xa6/0x2a0 mm/slub.c:3002
pde_put+0x6e/0x80 fs/proc/generic.c:647
remove_proc_entry+0x1d3/0x420 fs/proc/generic.c:684
0xffffffffc10c031c
0xffffffffc10c0166
do_one_initcall+0xfa/0x5ca init/main.c:887
do_init_module+0x204/0x5f6 kernel/module.c:3460
load_module+0x66b2/0x8570 kernel/module.c:3808
__do_sys_finit_module+0x238/0x2a0 kernel/module.c:3902
do_syscall_64+0x147/0x600 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
The buggy address belongs to the object at ffff8881f41fe500
which belongs to the cache proc_dir_entry of size 256
The buggy address is located 176 bytes inside of
256-byte region [ffff8881f41fe500, ffff8881f41fe600)
The buggy address belongs to the page:
page:ffffea0007d07f80 count:1 mapcount:0 mapping:ffff8881f6e69a00 index:0x0
flags: 0x2fffc0000000200(slab)
raw: 02fffc0000000200 dead000000000100 dead000000000200 ffff8881f6e69a00
raw: 0000000000000000 00000000800c000c 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8881f41fe480: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
ffff8881f41fe500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881f41fe580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8881f41fe600: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
ffff8881f41fe680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
It should check the return value of atalk_proc_init fails,
otherwise atalk_exit will trgger use-after-free in pde_subdir_find
while unload the module.This patch fix error cleanup path of atalk_init
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 2803cf4379ed252894f046cb8812a48db35294e3 ]
v9fs_dir_readdir() could deadloop if a struct was sent with a size set
to -2
Link: http://lkml.kernel.org/r/1536134432-11997-1-git-send-email-asmadeus@codewreck.org
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=88021
Signed-off-by: Gertjan Halkes <gertjan@google.com>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit b2e54b09a3d29c4db883b920274ca8dca4d9f04d ]
The device type for ip6 tunnels is set to
ARPHRD_TUNNEL6. However, the ip4ip6_err function
is expecting the device type of the tunnel to be
ARPHRD_TUNNEL. Since the device types do not
match, the function exits and the ICMP error
packet is not sent to the originating host. Note
that the device type for IPv4 tunnels is set to
ARPHRD_TUNNEL.
Fix is to expect a tunnel device type of
ARPHRD_TUNNEL6 instead. Now the tunnel device
type matches and the ICMP error packet is sent
to the originating host.
Signed-off-by: Sheena Mira-ato <sheena.mira-ato@alliedtelesis.co.nz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 3d8830266ffc28c16032b859e38a0252e014b631 ]
NULL or ZERO_SIZE_PTR will be returned for zero sized memory
request, and derefencing them will lead to a segfault
so it is unnecessory to call vzalloc for zero sized memory
request and not call functions which maybe derefence the
NULL allocated memory
this also fixes a possible memory leak if phy_ethtool_get_stats
returns error, memory should be freed before exit
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Reviewed-by: Wang Li <wangli39@baidu.com>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 355b98553789b646ed97ad801a619ff898471b92 ]
net_hash_mix() currently uses kernel address of a struct net,
and is used in many places that could be used to reveal this
address to a patient attacker, thus defeating KASLR, for
the typical case (initial net namespace, &init_net is
not dynamically allocated)
I believe the original implementation tried to avoid spending
too many cycles in this function, but security comes first.
Also provide entropy regardless of CONFIG_NET_NS.
Fixes: 0b4419162aa6 ("netns: introduce the net_hash_mix "salt" for hashes")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Amit Klein <aksecurity@gmail.com>
Reported-by: Benny Pinkas <benny@pinkas.net>
Cc: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit aecfde23108b8e637d9f5c5e523b24fb97035dc3 ]
RFC8257 §3.5 explicitly states that "A DCTCP sender MUST react to
loss episodes in the same way as conventional TCP".
Currently, Linux DCTCP performs no cwnd reduction when losses
are encountered. Optionally, the dctcp_clamp_alpha_on_loss resets
alpha to its maximal value if a RTO happens. This behavior
is sub-optimal for at least two reasons: i) it ignores losses
triggering fast retransmissions; and ii) it causes unnecessary large
cwnd reduction in the future if the loss was isolated as it resets
the historical term of DCTCP's alpha EWMA to its maximal value (i.e.,
denoting a total congestion). The second reason has an especially
noticeable effect when using DCTCP in high BDP environments, where
alpha normally stays at low values.
This patch replace the clamping of alpha by setting ssthresh to
half of cwnd for both fast retransmissions and RTOs, at most once
per RTT. Consequently, the dctcp_clamp_alpha_on_loss module parameter
has been removed.
The table below shows experimental results where we measured the
drop probability of a PIE AQM (not applying ECN marks) at a
bottleneck in the presence of a single TCP flow with either the
alpha-clamping option enabled or the cwnd halving proposed by this
patch. Results using reno or cubic are given for comparison.
| Link | RTT | Drop
TCP CC | speed | base+AQM | probability
==================|=========|==========|============
CUBIC | 40Mbps | 7+20ms | 0.21%
RENO | | | 0.19%
DCTCP-CLAMP-ALPHA | | | 25.80%
DCTCP-HALVE-CWND | | | 0.22%
------------------|---------|----------|------------
CUBIC | 100Mbps | 7+20ms | 0.03%
RENO | | | 0.02%
DCTCP-CLAMP-ALPHA | | | 23.30%
DCTCP-HALVE-CWND | | | 0.04%
------------------|---------|----------|------------
CUBIC | 800Mbps | 1+1ms | 0.04%
RENO | | | 0.05%
DCTCP-CLAMP-ALPHA | | | 18.70%
DCTCP-HALVE-CWND | | | 0.06%
We see that, without halving its cwnd for all source of losses,
DCTCP drives the AQM to large drop probabilities in order to keep
the queue length under control (i.e., it repeatedly faces RTOs).
Instead, if DCTCP reacts to all source of losses, it can then be
controlled by the AQM using similar drop levels than cubic or reno.
Signed-off-by: Koen De Schepper <koen.de_schepper@nokia-bell-labs.com>
Signed-off-by: Olivier Tilmans <olivier.tilmans@nokia-bell-labs.com>
Cc: Bob Briscoe <research@bobbriscoe.net>
Cc: Lawrence Brakmo <brakmo@fb.com>
Cc: Florian Westphal <fw@strlen.de>
Cc: Daniel Borkmann <borkmann@iogearbox.net>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Andrew Shewmaker <agshew@gmail.com>
Cc: Glenn Judd <glenn.judd@morganstanley.com>
Acked-by: Florian Westphal <fw@strlen.de>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 09279e615c81ce55e04835970601ae286e3facbe ]
Syzbot report a kernel-infoleak:
BUG: KMSAN: kernel-infoleak in _copy_to_user+0x16b/0x1f0 lib/usercopy.c:32
Call Trace:
_copy_to_user+0x16b/0x1f0 lib/usercopy.c:32
copy_to_user include/linux/uaccess.h:174 [inline]
sctp_getsockopt_peer_addrs net/sctp/socket.c:5911 [inline]
sctp_getsockopt+0x1668e/0x17f70 net/sctp/socket.c:7562
...
Uninit was stored to memory at:
sctp_transport_init net/sctp/transport.c:61 [inline]
sctp_transport_new+0x16d/0x9a0 net/sctp/transport.c:115
sctp_assoc_add_peer+0x532/0x1f70 net/sctp/associola.c:637
sctp_process_param net/sctp/sm_make_chunk.c:2548 [inline]
sctp_process_init+0x1a1b/0x3ed0 net/sctp/sm_make_chunk.c:2361
...
Bytes 8-15 of 16 are uninitialized
It was caused by that th _pad field (the 8-15 bytes) of a v4 addr (saved in
struct sockaddr_in) wasn't initialized, but directly copied to user memory
in sctp_getsockopt_peer_addrs().
So fix it by calling memset(addr->v4.sin_zero, 0, 8) to initialize _pad of
sockaddr_in before copying it to user memory in sctp_v4_addr_to_user(), as
sctp_v6_addr_to_user() does.
Reported-by: syzbot+86b5c7c236a22616a72f@syzkaller.appspotmail.com
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Tested-by: Alexander Potapenko <glider@google.com>
Acked-by: Neil Horman <nhorman@tuxdriver.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 f28cd2af22a0c134e4aa1c64a70f70d815d473fb ]
The flow action buffer can be resized if it's not big enough to contain
all the requested flow actions. However, this resize doesn't take into
account the new requested size, the buffer is only increased by a factor
of 2x. This might be not enough to contain the new data, causing a
buffer overflow, for example:
[ 42.044472] =============================================================================
[ 42.045608] BUG kmalloc-96 (Not tainted): Redzone overwritten
[ 42.046415] -----------------------------------------------------------------------------
[ 42.047715] Disabling lock debugging due to kernel taint
[ 42.047716] INFO: 0x8bf2c4a5-0x720c0928. First byte 0x0 instead of 0xcc
[ 42.048677] INFO: Slab 0xbc6d2040 objects=29 used=18 fp=0xdc07dec4 flags=0x2808101
[ 42.049743] INFO: Object 0xd53a3464 @offset=2528 fp=0xccdcdebb
[ 42.050747] Redzone 76f1b237: cc cc cc cc cc cc cc cc ........
[ 42.051839] Object d53a3464: 6b 6b 6b 6b 6b 6b 6b 6b 0c 00 00 00 6c 00 00 00 kkkkkkkk....l...
[ 42.053015] Object f49a30cc: 6c 00 0c 00 00 00 00 00 00 00 00 03 78 a3 15 f6 l...........x...
[ 42.054203] Object acfe4220: 20 00 02 00 ff ff ff ff 00 00 00 00 00 00 00 00 ...............
[ 42.055370] Object 21024e91: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 42.056541] Object 070e04c3: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 42.057797] Object 948a777a: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[ 42.059061] Redzone 8bf2c4a5: 00 00 00 00 ....
[ 42.060189] Padding a681b46e: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ
Fix by making sure the new buffer is properly resized to contain all the
requested data.
BugLink: https://bugs.launchpad.net/bugs/1813244
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit cb66ddd156203daefb8d71158036b27b0e2caf63 ]
When it is to cleanup net namespace, rds_tcp_exit_net() will call
rds_tcp_kill_sock(), if t_sock is NULL, it will not call
rds_conn_destroy(), rds_conn_path_destroy() and rds_tcp_conn_free() to free
connection, and the worker cp_conn_w is not stopped, afterwards the net is freed in
net_drop_ns(); While cp_conn_w rds_connect_worker() will call rds_tcp_conn_path_connect()
and reference 'net' which has already been freed.
In rds_tcp_conn_path_connect(), rds_tcp_set_callbacks() will set t_sock = sock before
sock->ops->connect, but if connect() is failed, it will call
rds_tcp_restore_callbacks() and set t_sock = NULL, if connect is always
failed, rds_connect_worker() will try to reconnect all the time, so
rds_tcp_kill_sock() will never to cancel worker cp_conn_w and free the
connections.
Therefore, the condition !tc->t_sock is not needed if it is going to do
cleanup_net->rds_tcp_exit_net->rds_tcp_kill_sock, because tc->t_sock is always
NULL, and there is on other path to cancel cp_conn_w and free
connection. So this patch is to fix this.
rds_tcp_kill_sock():
...
if (net != c_net || !tc->t_sock)
...
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
==================================================================
BUG: KASAN: use-after-free in inet_create+0xbcc/0xd28
net/ipv4/af_inet.c:340
Read of size 4 at addr ffff8003496a4684 by task kworker/u8:4/3721
CPU: 3 PID: 3721 Comm: kworker/u8:4 Not tainted 5.1.0 #11
Hardware name: linux,dummy-virt (DT)
Workqueue: krdsd rds_connect_worker
Call trace:
dump_backtrace+0x0/0x3c0 arch/arm64/kernel/time.c:53
show_stack+0x28/0x38 arch/arm64/kernel/traps.c:152
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x120/0x188 lib/dump_stack.c:113
print_address_description+0x68/0x278 mm/kasan/report.c:253
kasan_report_error mm/kasan/report.c:351 [inline]
kasan_report+0x21c/0x348 mm/kasan/report.c:409
__asan_report_load4_noabort+0x30/0x40 mm/kasan/report.c:429
inet_create+0xbcc/0xd28 net/ipv4/af_inet.c:340
__sock_create+0x4f8/0x770 net/socket.c:1276
sock_create_kern+0x50/0x68 net/socket.c:1322
rds_tcp_conn_path_connect+0x2b4/0x690 net/rds/tcp_connect.c:114
rds_connect_worker+0x108/0x1d0 net/rds/threads.c:175
process_one_work+0x6e8/0x1700 kernel/workqueue.c:2153
worker_thread+0x3b0/0xdd0 kernel/workqueue.c:2296
kthread+0x2f0/0x378 kernel/kthread.c:255
ret_from_fork+0x10/0x18 arch/arm64/kernel/entry.S:1117
Allocated by task 687:
save_stack mm/kasan/kasan.c:448 [inline]
set_track mm/kasan/kasan.c:460 [inline]
kasan_kmalloc+0xd4/0x180 mm/kasan/kasan.c:553
kasan_slab_alloc+0x14/0x20 mm/kasan/kasan.c:490
slab_post_alloc_hook mm/slab.h:444 [inline]
slab_alloc_node mm/slub.c:2705 [inline]
slab_alloc mm/slub.c:2713 [inline]
kmem_cache_alloc+0x14c/0x388 mm/slub.c:2718
kmem_cache_zalloc include/linux/slab.h:697 [inline]
net_alloc net/core/net_namespace.c:384 [inline]
copy_net_ns+0xc4/0x2d0 net/core/net_namespace.c:424
create_new_namespaces+0x300/0x658 kernel/nsproxy.c:107
unshare_nsproxy_namespaces+0xa0/0x198 kernel/nsproxy.c:206
ksys_unshare+0x340/0x628 kernel/fork.c:2577
__do_sys_unshare kernel/fork.c:2645 [inline]
__se_sys_unshare kernel/fork.c:2643 [inline]
__arm64_sys_unshare+0x38/0x58 kernel/fork.c:2643
__invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
invoke_syscall arch/arm64/kernel/syscall.c:47 [inline]
el0_svc_common+0x168/0x390 arch/arm64/kernel/syscall.c:83
el0_svc_handler+0x60/0xd0 arch/arm64/kernel/syscall.c:129
el0_svc+0x8/0xc arch/arm64/kernel/entry.S:960
Freed by task 264:
save_stack mm/kasan/kasan.c:448 [inline]
set_track mm/kasan/kasan.c:460 [inline]
__kasan_slab_free+0x114/0x220 mm/kasan/kasan.c:521
kasan_slab_free+0x10/0x18 mm/kasan/kasan.c:528
slab_free_hook mm/slub.c:1370 [inline]
slab_free_freelist_hook mm/slub.c:1397 [inline]
slab_free mm/slub.c:2952 [inline]
kmem_cache_free+0xb8/0x3a8 mm/slub.c:2968
net_free net/core/net_namespace.c:400 [inline]
net_drop_ns.part.6+0x78/0x90 net/core/net_namespace.c:407
net_drop_ns net/core/net_namespace.c:406 [inline]
cleanup_net+0x53c/0x6d8 net/core/net_namespace.c:569
process_one_work+0x6e8/0x1700 kernel/workqueue.c:2153
worker_thread+0x3b0/0xdd0 kernel/workqueue.c:2296
kthread+0x2f0/0x378 kernel/kthread.c:255
ret_from_fork+0x10/0x18 arch/arm64/kernel/entry.S:1117
The buggy address belongs to the object at ffff8003496a3f80
which belongs to the cache net_namespace of size 7872
The buggy address is located 1796 bytes inside of
7872-byte region [ffff8003496a3f80, ffff8003496a5e40)
The buggy address belongs to the page:
page:ffff7e000d25a800 count:1 mapcount:0 mapping:ffff80036ce4b000
index:0x0 compound_mapcount: 0
flags: 0xffffe0000008100(slab|head)
raw: 0ffffe0000008100 dead000000000100 dead000000000200 ffff80036ce4b000
raw: 0000000000000000 0000000080040004 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8003496a4580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8003496a4600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8003496a4680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff8003496a4700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff8003496a4780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
Fixes: 467fa15356ac("RDS-TCP: Support multiple RDS-TCP listen endpoints, one per netns.")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Mao Wenan <maowenan@huawei.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 bb9bd814ebf04f579be466ba61fc922625508807 ]
ipip6 tunnels run iptunnel_pull_header on received skbs. This can
determine the following use-after-free accessing iph pointer since
the packet will be 'uncloned' running pskb_expand_head if it is a
cloned gso skb (e.g if the packet has been sent though a veth device)
[ 706.369655] BUG: KASAN: use-after-free in ipip6_rcv+0x1678/0x16e0 [sit]
[ 706.449056] Read of size 1 at addr ffffe01b6bd855f5 by task ksoftirqd/1/=
[ 706.669494] Hardware name: HPE ProLiant m400 Server/ProLiant m400 Server, BIOS U02 08/19/2016
[ 706.771839] Call trace:
[ 706.801159] dump_backtrace+0x0/0x2f8
[ 706.845079] show_stack+0x24/0x30
[ 706.884833] dump_stack+0xe0/0x11c
[ 706.925629] print_address_description+0x68/0x260
[ 706.982070] kasan_report+0x178/0x340
[ 707.025995] __asan_report_load1_noabort+0x30/0x40
[ 707.083481] ipip6_rcv+0x1678/0x16e0 [sit]
[ 707.132623] tunnel64_rcv+0xd4/0x200 [tunnel4]
[ 707.185940] ip_local_deliver_finish+0x3b8/0x988
[ 707.241338] ip_local_deliver+0x144/0x470
[ 707.289436] ip_rcv_finish+0x43c/0x14b0
[ 707.335447] ip_rcv+0x628/0x1138
[ 707.374151] __netif_receive_skb_core+0x1670/0x2600
[ 707.432680] __netif_receive_skb+0x28/0x190
[ 707.482859] process_backlog+0x1d0/0x610
[ 707.529913] net_rx_action+0x37c/0xf68
[ 707.574882] __do_softirq+0x288/0x1018
[ 707.619852] run_ksoftirqd+0x70/0xa8
[ 707.662734] smpboot_thread_fn+0x3a4/0x9e8
[ 707.711875] kthread+0x2c8/0x350
[ 707.750583] ret_from_fork+0x10/0x18
[ 707.811302] Allocated by task 16982:
[ 707.854182] kasan_kmalloc.part.1+0x40/0x108
[ 707.905405] kasan_kmalloc+0xb4/0xc8
[ 707.948291] kasan_slab_alloc+0x14/0x20
[ 707.994309] __kmalloc_node_track_caller+0x158/0x5e0
[ 708.053902] __kmalloc_reserve.isra.8+0x54/0xe0
[ 708.108280] __alloc_skb+0xd8/0x400
[ 708.150139] sk_stream_alloc_skb+0xa4/0x638
[ 708.200346] tcp_sendmsg_locked+0x818/0x2b90
[ 708.251581] tcp_sendmsg+0x40/0x60
[ 708.292376] inet_sendmsg+0xf0/0x520
[ 708.335259] sock_sendmsg+0xac/0xf8
[ 708.377096] sock_write_iter+0x1c0/0x2c0
[ 708.424154] new_sync_write+0x358/0x4a8
[ 708.470162] __vfs_write+0xc4/0xf8
[ 708.510950] vfs_write+0x12c/0x3d0
[ 708.551739] ksys_write+0xcc/0x178
[ 708.592533] __arm64_sys_write+0x70/0xa0
[ 708.639593] el0_svc_handler+0x13c/0x298
[ 708.686646] el0_svc+0x8/0xc
[ 708.739019] Freed by task 17:
[ 708.774597] __kasan_slab_free+0x114/0x228
[ 708.823736] kasan_slab_free+0x10/0x18
[ 708.868703] kfree+0x100/0x3d8
[ 708.905320] skb_free_head+0x7c/0x98
[ 708.948204] skb_release_data+0x320/0x490
[ 708.996301] pskb_expand_head+0x60c/0x970
[ 709.044399] __iptunnel_pull_header+0x3b8/0x5d0
[ 709.098770] ipip6_rcv+0x41c/0x16e0 [sit]
[ 709.146873] tunnel64_rcv+0xd4/0x200 [tunnel4]
[ 709.200195] ip_local_deliver_finish+0x3b8/0x988
[ 709.255596] ip_local_deliver+0x144/0x470
[ 709.303692] ip_rcv_finish+0x43c/0x14b0
[ 709.349705] ip_rcv+0x628/0x1138
[ 709.388413] __netif_receive_skb_core+0x1670/0x2600
[ 709.446943] __netif_receive_skb+0x28/0x190
[ 709.497120] process_backlog+0x1d0/0x610
[ 709.544169] net_rx_action+0x37c/0xf68
[ 709.589131] __do_softirq+0x288/0x1018
[ 709.651938] The buggy address belongs to the object at ffffe01b6bd85580
which belongs to the cache kmalloc-1024 of size 1024
[ 709.804356] The buggy address is located 117 bytes inside of
1024-byte region [ffffe01b6bd85580, ffffe01b6bd85980)
[ 709.946340] The buggy address belongs to the page:
[ 710.003824] page:ffff7ff806daf600 count:1 mapcount:0 mapping:ffffe01c4001f600 index:0x0
[ 710.099914] flags: 0xfffff8000000100(slab)
[ 710.149059] raw: 0fffff8000000100 dead000000000100 dead000000000200 ffffe01c4001f600
[ 710.242011] raw: 0000000000000000 0000000000380038 00000001ffffffff 0000000000000000
[ 710.334966] page dumped because: kasan: bad access detected
Fix it resetting iph pointer after iptunnel_pull_header
Fixes: a09a4c8dd1ec ("tunnels: Remove encapsulation offloads on decap")
Tested-by: Jianlin Shi <jishi@redhat.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 ef0efcd3bd3fd0589732b67fb586ffd3c8705806 ]
At the beginning of ip6_fragment func, the prevhdr pointer is
obtained in the ip6_find_1stfragopt func.
However, all the pointers pointing into skb header may change
when calling skb_checksum_help func with
skb->ip_summed = CHECKSUM_PARTIAL condition.
The prevhdr pointe will be dangling if it is not reloaded after
calling __skb_linearize func in skb_checksum_help func.
Here, I add a variable, nexthdr_offset, to evaluate the offset,
which does not changes even after calling __skb_linearize func.
Fixes: 405c92f7a541 ("ipv6: add defensive check for CHECKSUM_PARTIAL skbs in ip_fragment")
Signed-off-by: Junwei Hu <hujunwei4@huawei.com>
Reported-by: Wenhao Zhang <zhangwenhao8@huawei.com>
Reported-by: syzbot+e8ce541d095e486074fc@syzkaller.appspotmail.com
Reviewed-by: Zhiqiang Liu <liuzhiqiang26@huawei.com>
Acked-by: Martin KaFai Lau <kafai@fb.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 8e2f311a68494a6677c1724bdcb10bada21af37c ]
Following command:
iptables -D FORWARD -m physdev ...
causes connectivity loss in some setups.
Reason is that iptables userspace will probe kernel for the module revision
of the physdev patch, and physdev has an artificial dependency on
br_netfilter (xt_physdev use makes no sense unless a br_netfilter module
is loaded).
This causes the "phydev" module to be loaded, which in turn enables the
"call-iptables" infrastructure.
bridged packets might then get dropped by the iptables ruleset.
The better fix would be to change the "call-iptables" defaults to 0 and
enforce explicit setting to 1, but that breaks backwards compatibility.
This does the next best thing: add a request_module call to checkentry.
This was a stray '-D ... -m physdev' won't activate br_netfilter
anymore.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit e20a2e9c42c9e4002d9e338d74e7819e88d77162 upstream.
When releasing socket, it is possible to enter hci_sock_release() and
hci_sock_dev_event(HCI_DEV_UNREG) at the same time in different thread.
The reference count of hdev should be decremented only once from one of
them but if storing hdev to local variable in hci_sock_release() before
detached from socket and setting to NULL in hci_sock_dev_event(),
hci_dev_put(hdev) is unexpectedly called twice. This is resolved by
referencing hdev from socket after bt_sock_unlink() in
hci_sock_release().
Reported-by: syzbot+fdc00003f4efff43bc5b@syzkaller.appspotmail.com
Signed-off-by: Myungho Jung <mhjungk@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Zubin Mithra <zsm@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This interface allows the host driver to offload OWE processing
to user space. This intends to support OWE (Opportunistic Wireless
Encryption) AKM by the drivers that implement SME but rely on the
user space for the cryptographic/OWE processing in AP mode. Such
drivers are not capable of processing/deriving the DH IE.
A new NL80211 command - NL80211_CMD_UPDATE_OWE_INFO is introduced
to send the request/event between the host driver and user space.
Driver shall provide the OWE info (MAC address and DH IE) of
the peer to user space for cryptographic processing of the DH IE
through the event. Accordingly, the user space shall update the
OWE info/DH IE to the driver.
Following is the sequence in AP mode for OWE authentication.
Driver passes the OWE info obtained from the peer in the
Association Request to the user space through the event
cfg80211_update_owe_info_event. User space shall process the
OWE info received and generate new OWE info. This OWE info is
passed to the driver through NL80211_CMD_UPDATE_OWE_INFO
request. Driver eventually uses this OWE info to send the
Association Response to the peer.
This OWE info in the command interface carries the IEs that include
PMKID of the peer if the PMKSA is still valid or an updated DH IE
for generating a new PMKSA with the peer.
Signed-off-by: Liangwei Dong <liangwei@codeaurora.org>
Signed-off-by: Sunil Dutt <usdutt@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Git-commit: cb74e9775871f8c82a1297cf76209f10ab5bbe3d
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git
Change-Id: I3b0391cd6da1ff033f4d8383013deb4ad5ecbe64
CRs-Fixed: 2414077
Signed-off-by: Srinivas Dasari <dasaris@codeaurora.org>
Signed-off-by: Min Liu <minliu@codeaurora.org>
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As per regulatory master sheet, JM maps to FCC13 for 5GHz. For FCC13,
there is no radar detect pattern. Therefore, Remove DFS flag for JM.
CRs-Fixed: 2177739
Change-Id: I2dee046369ea4c3bd8feffbf97dbf40bea2137b6
Signed-off-by: Rajeev Kumar Sirasanagandla <rsirasan@codeaurora.org>
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Enable DFS flag for TT.
Change-Id: I291dd2927ff0c92b243ee9c009b1549fb203165b
CRs-Fixed: 2287335
Signed-off-by: Gaole Zhang <gaolez@codeaurora.org>
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This reverts commit f57fa308b0d8330580a932dcc5c460e9d2352284.
bssid in cfg80211_update_owe_info need to be changed to peer.
Change-Id: I7cf248926fe1b86c3a75d5441955ce4cb60c91f7
CRs-Fixed: 2414077
Signed-off-by: Min Liu <minliu@codeaurora.org>
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* refs/heads/tmp-7af10f2
Linux 4.4.178
stm class: Hide STM-specific options if STM is disabled
coresight: removing bind/unbind options from sysfs
arm64: support keyctl() system call in 32-bit mode
Revert "USB: core: only clean up what we allocated"
xhci: Fix port resume done detection for SS ports with LPM enabled
KVM: Reject device ioctls from processes other than the VM's creator
x86/smp: Enforce CONFIG_HOTPLUG_CPU when SMP=y
perf intel-pt: Fix TSC slip
gpio: adnp: Fix testing wrong value in adnp_gpio_direction_input
fs/proc/proc_sysctl.c: fix NULL pointer dereference in put_links
Disable kgdboc failed by echo space to /sys/module/kgdboc/parameters/kgdboc
USB: serial: option: add Olicard 600
USB: serial: option: set driver_info for SIM5218 and compatibles
USB: serial: mos7720: fix mos_parport refcount imbalance on error path
USB: serial: ftdi_sio: add additional NovaTech products
USB: serial: cp210x: add new device id
serial: sh-sci: Fix setting SCSCR_TIE while transferring data
serial: max310x: Fix to avoid potential NULL pointer dereference
staging: vt6655: Fix interrupt race condition on device start up.
staging: vt6655: Remove vif check from vnt_interrupt
tty: atmel_serial: fix a potential NULL pointer dereference
scsi: zfcp: fix scsi_eh host reset with port_forced ERP for non-NPIV FCP devices
scsi: zfcp: fix rport unblock if deleted SCSI devices on Scsi_Host
scsi: sd: Fix a race between closing an sd device and sd I/O
ALSA: pcm: Don't suspend stream in unrecoverable PCM state
ALSA: pcm: Fix possible OOB access in PCM oss plugins
ALSA: seq: oss: Fix Spectre v1 vulnerability
ALSA: rawmidi: Fix potential Spectre v1 vulnerability
ALSA: compress: add support for 32bit calls in a 64bit kernel
ARM: imx6q: cpuidle: fix bug that CPU might not wake up at expected time
btrfs: raid56: properly unmap parity page in finish_parity_scrub()
btrfs: remove WARN_ON in log_dir_items
mac8390: Fix mmio access size probe
sctp: get sctphdr by offset in sctp_compute_cksum
vxlan: Don't call gro_cells_destroy() before device is unregistered
tcp: do not use ipv6 header for ipv4 flow
packets: Always register packet sk in the same order
Add hlist_add_tail_rcu() (Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net)
net: rose: fix a possible stack overflow
net/packet: Set __GFP_NOWARN upon allocation in alloc_pg_vec
mISDN: hfcpci: Test both vendor & device ID for Digium HFC4S
dccp: do not use ipv6 header for ipv4 flow
stmmac: copy unicast mac address to MAC registers
cfg80211: size various nl80211 messages correctly
mmc: mmc: fix switch timeout issue caused by jiffies precision
arm64: kconfig: drop CONFIG_RTC_LIB dependency
video: fbdev: Set pixclock = 0 in goldfishfb
cpu/hotplug: Handle unbalanced hotplug enable/disable
usb: gadget: rndis: free response queue during REMOTE_NDIS_RESET_MSG
usb: gadget: configfs: add mutex lock before unregister gadget
ipv6: fix endianness error in icmpv6_err
stm class: Fix stm device initialization order
stm class: Do not leak the chrdev in error path
PM / Hibernate: Call flush_icache_range() on pages restored in-place
arm64: kernel: Include _AC definition in page.h
perf/ring_buffer: Refuse to begin AUX transaction after rb->aux_mmap_count drops
mac80211: fix "warning: ‘target_metric’ may be used uninitialized"
arm64/kernel: fix incorrect EL0 check in inv_entry macro
ARM: 8510/1: rework ARM_CPU_SUSPEND dependencies
staging: goldfish: audio: fix compiliation on arm
staging: ion: Set minimum carveout heap allocation order to PAGE_SHIFT
staging: ashmem: Add missing include
staging: ashmem: Avoid deadlock with mmap/shrink
asm-generic: Fix local variable shadow in __set_fixmap_offset
coresight: etm4x: Check every parameter used by dma_xx_coherent.
coresight: "DEVICE_ATTR_RO" should defined as static.
stm class: Fix a race in unlinking
stm class: Fix unbalanced module/device refcounting
stm class: Guard output assignment against concurrency
stm class: Fix unlocking braino in the error path
stm class: Support devices with multiple instances
stm class: Prevent user-controllable allocations
stm class: Fix link list locking
stm class: Fix locking in unbinding policy path
coresight: remove csdev's link from topology
coresight: release reference taken by 'bus_find_device()'
coresight: coresight_unregister() function cleanup
coresight: fixing lockdep error
writeback: initialize inode members that track writeback history
Revert "mmc: block: don't use parameter prefix if built as module"
net: diag: support v4mapped sockets in inet_diag_find_one_icsk()
perf: Synchronously free aux pages in case of allocation failure
arm64: hide __efistub_ aliases from kallsyms
hid-sensor-hub.c: fix wrong do_div() usage
vmstat: make vmstat_updater deferrable again and shut down on idle
android: unconditionally remove callbacks in sync_fence_free()
ARM: 8494/1: mm: Enable PXN when running non-LPAE kernel on LPAE processor
ARM: 8458/1: bL_switcher: add GIC dependency
efi: stub: define DISABLE_BRANCH_PROFILING for all architectures
arm64: fix COMPAT_SHMLBA definition for large pages
mmc: block: Allow more than 8 partitions per card
sched/fair: Fix new task's load avg removed from source CPU in wake_up_new_task()
Bluetooth: Verify that l2cap_get_conf_opt provides large enough buffer
Bluetooth: Check L2CAP option sizes returned from l2cap_get_conf_opt
ath10k: avoid possible string overflow
rtc: Fix overflow when converting time64_t to rtc_time
USB: core: only clean up what we allocated
lib/int_sqrt: optimize small argument
serial: sprd: clear timeout interrupt only rather than all interrupts
usb: renesas_usbhs: gadget: fix unused-but-set-variable warning
arm64: traps: disable irq in die()
Hang/soft lockup in d_invalidate with simultaneous calls
serial: sprd: adjust TIMEOUT to a big value
tcp/dccp: drop SYN packets if accept queue is full
usb: gadget: Add the gserial port checking in gs_start_tx()
usb: gadget: composite: fix dereference after null check coverify warning
kbuild: setlocalversion: print error to STDERR
extcon: usb-gpio: Don't miss event during suspend/resume
mm/rmap: replace BUG_ON(anon_vma->degree) with VM_WARN_ON
mmc: core: fix using wrong io voltage if mmc_select_hs200 fails
arm64: mm: Add trace_irqflags annotations to do_debug_exception()
usb: dwc3: gadget: Fix suspend/resume during device mode
mmc: core: shut up "voltage-ranges unspecified" pr_info()
mmc: sanitize 'bus width' in debug output
mmc: make MAN_BKOPS_EN message a debug
mmc: debugfs: Add a restriction to mmc debugfs clock setting
mmc: pwrseq_simple: Make reset-gpios optional to match doc
ALSA: hda - Enforces runtime_resume after S3 and S4 for each codec
ALSA: hda - Record the current power state before suspend/resume calls
locking/lockdep: Add debug_locks check in __lock_downgrade()
media: v4l2-ctrls.c/uvc: zero v4l2_event
mmc: tmio_mmc_core: don't claim spurious interrupts
ext4: brelse all indirect buffer in ext4_ind_remove_space()
ext4: fix data corruption caused by unaligned direct AIO
ext4: fix NULL pointer dereference while journal is aborted
futex: Ensure that futex address is aligned in handle_futex_death()
MIPS: Fix kernel crash for R6 in jump label branch function
mips: loongson64: lemote-2f: Add IRQF_NO_SUSPEND to "cascade" irqaction.
udf: Fix crash on IO error during truncate
drm/vmwgfx: Don't double-free the mode stored in par->set_mode
mmc: pxamci: fix enum type confusion
ANDROID: drop CONFIG_INPUT_KEYCHORD from cuttlefish and ranchu
UPSTREAM: virt_wifi: Remove REGULATORY_WIPHY_SELF_MANAGED
UPSTREAM: net: socket: set sock->sk to NULL after calling proto_ops::release()
f2fs: set pin_file under CAP_SYS_ADMIN
f2fs: fix to avoid deadlock in f2fs_read_inline_dir()
f2fs: fix to adapt small inline xattr space in __find_inline_xattr()
f2fs: fix to do sanity check with inode.i_inline_xattr_size
f2fs: give some messages for inline_xattr_size
f2fs: don't trigger read IO for beyond EOF page
f2fs: fix to add refcount once page is tagged PG_private
f2fs: remove wrong comment in f2fs_invalidate_page()
f2fs: fix to use kvfree instead of kzfree
f2fs: print more parameters in trace_f2fs_map_blocks
f2fs: trace f2fs_ioc_shutdown
f2fs: fix to avoid deadlock of atomic file operations
f2fs: fix to dirty inode for i_mode recovery
f2fs: give random value to i_generation
f2fs: no need to take page lock in readdir
f2fs: fix to update iostat correctly in IPU path
f2fs: fix encrypted page memory leak
f2fs: make fault injection covering __submit_flush_wait()
f2fs: fix to retry fill_super only if recovery failed
f2fs: silence VM_WARN_ON_ONCE in mempool_alloc
f2fs: correct spelling mistake
f2fs: fix wrong #endif
f2fs: don't clear CP_QUOTA_NEED_FSCK_FLAG
f2fs: don't allow negative ->write_io_size_bits
f2fs: fix to check inline_xattr_size boundary correctly
Revert "f2fs: fix to avoid deadlock of atomic file operations"
Revert "f2fs: fix to check inline_xattr_size boundary correctly"
f2fs: do not use mutex lock in atomic context
f2fs: fix potential data inconsistence of checkpoint
f2fs: fix to avoid deadlock of atomic file operations
f2fs: fix to check inline_xattr_size boundary correctly
f2fs: jump to label 'free_node_inode' when failing from d_make_root()
f2fs: fix to document inline_xattr_size option
f2fs: fix to data block override node segment by mistake
f2fs: fix typos in code comments
f2fs: sync filesystem after roll-forward recovery
fs: export evict_inodes
f2fs: flush quota blocks after turnning it off
f2fs: avoid null pointer exception in dcc_info
f2fs: don't wake up too frequently, if there is lots of IOs
f2fs: try to keep CP_TRIMMED_FLAG after successful umount
f2fs: add quick mode of checkpoint=disable for QA
f2fs: run discard jobs when put_super
f2fs: fix to set sbi dirty correctly
f2fs: UBSAN: set boolean value iostat_enable correctly
f2fs: add brackets for macros
f2fs: check if file namelen exceeds max value
f2fs: fix to trigger fsck if dirent.name_len is zero
f2fs: no need to check return value of debugfs_create functions
f2fs: export FS_NOCOW_FL flag to user
f2fs: check inject_rate validity during configuring
f2fs: remove set but not used variable 'err'
f2fs: fix compile warnings: 'struct *' declared inside parameter list
f2fs: change error code to -ENOMEM from -EINVAL
Conflicts:
arch/arm/Kconfig
arch/arm64/kernel/traps.c
drivers/hwtracing/coresight/coresight-etm4x.c
drivers/hwtracing/coresight/coresight-tmc.c
drivers/hwtracing/stm/Kconfig
drivers/hwtracing/stm/core.c
drivers/mmc/core/mmc.c
drivers/usb/gadget/function/u_serial.c
kernel/events/ring_buffer.c
net/wireless/nl80211.c
sound/core/compress_offload.c
Change-Id: I33783dbd0a25d678d6c61204f9e67690e57bed8f
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.178
mmc: pxamci: fix enum type confusion
drm/vmwgfx: Don't double-free the mode stored in par->set_mode
udf: Fix crash on IO error during truncate
mips: loongson64: lemote-2f: Add IRQF_NO_SUSPEND to "cascade" irqaction.
MIPS: Fix kernel crash for R6 in jump label branch function
futex: Ensure that futex address is aligned in handle_futex_death()
ext4: fix NULL pointer dereference while journal is aborted
ext4: fix data corruption caused by unaligned direct AIO
ext4: brelse all indirect buffer in ext4_ind_remove_space()
mmc: tmio_mmc_core: don't claim spurious interrupts
media: v4l2-ctrls.c/uvc: zero v4l2_event
locking/lockdep: Add debug_locks check in __lock_downgrade()
ALSA: hda - Record the current power state before suspend/resume calls
ALSA: hda - Enforces runtime_resume after S3 and S4 for each codec
mmc: pwrseq_simple: Make reset-gpios optional to match doc
mmc: debugfs: Add a restriction to mmc debugfs clock setting
mmc: make MAN_BKOPS_EN message a debug
mmc: sanitize 'bus width' in debug output
mmc: core: shut up "voltage-ranges unspecified" pr_info()
usb: dwc3: gadget: Fix suspend/resume during device mode
arm64: mm: Add trace_irqflags annotations to do_debug_exception()
mmc: core: fix using wrong io voltage if mmc_select_hs200 fails
mm/rmap: replace BUG_ON(anon_vma->degree) with VM_WARN_ON
extcon: usb-gpio: Don't miss event during suspend/resume
kbuild: setlocalversion: print error to STDERR
usb: gadget: composite: fix dereference after null check coverify warning
usb: gadget: Add the gserial port checking in gs_start_tx()
tcp/dccp: drop SYN packets if accept queue is full
serial: sprd: adjust TIMEOUT to a big value
Hang/soft lockup in d_invalidate with simultaneous calls
arm64: traps: disable irq in die()
usb: renesas_usbhs: gadget: fix unused-but-set-variable warning
serial: sprd: clear timeout interrupt only rather than all interrupts
lib/int_sqrt: optimize small argument
USB: core: only clean up what we allocated
rtc: Fix overflow when converting time64_t to rtc_time
ath10k: avoid possible string overflow
Bluetooth: Check L2CAP option sizes returned from l2cap_get_conf_opt
Bluetooth: Verify that l2cap_get_conf_opt provides large enough buffer
sched/fair: Fix new task's load avg removed from source CPU in wake_up_new_task()
mmc: block: Allow more than 8 partitions per card
arm64: fix COMPAT_SHMLBA definition for large pages
efi: stub: define DISABLE_BRANCH_PROFILING for all architectures
ARM: 8458/1: bL_switcher: add GIC dependency
ARM: 8494/1: mm: Enable PXN when running non-LPAE kernel on LPAE processor
android: unconditionally remove callbacks in sync_fence_free()
vmstat: make vmstat_updater deferrable again and shut down on idle
hid-sensor-hub.c: fix wrong do_div() usage
arm64: hide __efistub_ aliases from kallsyms
perf: Synchronously free aux pages in case of allocation failure
net: diag: support v4mapped sockets in inet_diag_find_one_icsk()
Revert "mmc: block: don't use parameter prefix if built as module"
writeback: initialize inode members that track writeback history
coresight: fixing lockdep error
coresight: coresight_unregister() function cleanup
coresight: release reference taken by 'bus_find_device()'
coresight: remove csdev's link from topology
stm class: Fix locking in unbinding policy path
stm class: Fix link list locking
stm class: Prevent user-controllable allocations
stm class: Support devices with multiple instances
stm class: Fix unlocking braino in the error path
stm class: Guard output assignment against concurrency
stm class: Fix unbalanced module/device refcounting
stm class: Fix a race in unlinking
coresight: "DEVICE_ATTR_RO" should defined as static.
coresight: etm4x: Check every parameter used by dma_xx_coherent.
asm-generic: Fix local variable shadow in __set_fixmap_offset
staging: ashmem: Avoid deadlock with mmap/shrink
staging: ashmem: Add missing include
staging: ion: Set minimum carveout heap allocation order to PAGE_SHIFT
staging: goldfish: audio: fix compiliation on arm
ARM: 8510/1: rework ARM_CPU_SUSPEND dependencies
arm64/kernel: fix incorrect EL0 check in inv_entry macro
mac80211: fix "warning: ‘target_metric’ may be used uninitialized"
perf/ring_buffer: Refuse to begin AUX transaction after rb->aux_mmap_count drops
arm64: kernel: Include _AC definition in page.h
PM / Hibernate: Call flush_icache_range() on pages restored in-place
stm class: Do not leak the chrdev in error path
stm class: Fix stm device initialization order
ipv6: fix endianness error in icmpv6_err
usb: gadget: configfs: add mutex lock before unregister gadget
usb: gadget: rndis: free response queue during REMOTE_NDIS_RESET_MSG
cpu/hotplug: Handle unbalanced hotplug enable/disable
video: fbdev: Set pixclock = 0 in goldfishfb
arm64: kconfig: drop CONFIG_RTC_LIB dependency
mmc: mmc: fix switch timeout issue caused by jiffies precision
cfg80211: size various nl80211 messages correctly
stmmac: copy unicast mac address to MAC registers
dccp: do not use ipv6 header for ipv4 flow
mISDN: hfcpci: Test both vendor & device ID for Digium HFC4S
net/packet: Set __GFP_NOWARN upon allocation in alloc_pg_vec
net: rose: fix a possible stack overflow
Add hlist_add_tail_rcu() (Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net)
packets: Always register packet sk in the same order
tcp: do not use ipv6 header for ipv4 flow
vxlan: Don't call gro_cells_destroy() before device is unregistered
sctp: get sctphdr by offset in sctp_compute_cksum
mac8390: Fix mmio access size probe
btrfs: remove WARN_ON in log_dir_items
btrfs: raid56: properly unmap parity page in finish_parity_scrub()
ARM: imx6q: cpuidle: fix bug that CPU might not wake up at expected time
ALSA: compress: add support for 32bit calls in a 64bit kernel
ALSA: rawmidi: Fix potential Spectre v1 vulnerability
ALSA: seq: oss: Fix Spectre v1 vulnerability
ALSA: pcm: Fix possible OOB access in PCM oss plugins
ALSA: pcm: Don't suspend stream in unrecoverable PCM state
scsi: sd: Fix a race between closing an sd device and sd I/O
scsi: zfcp: fix rport unblock if deleted SCSI devices on Scsi_Host
scsi: zfcp: fix scsi_eh host reset with port_forced ERP for non-NPIV FCP devices
tty: atmel_serial: fix a potential NULL pointer dereference
staging: vt6655: Remove vif check from vnt_interrupt
staging: vt6655: Fix interrupt race condition on device start up.
serial: max310x: Fix to avoid potential NULL pointer dereference
serial: sh-sci: Fix setting SCSCR_TIE while transferring data
USB: serial: cp210x: add new device id
USB: serial: ftdi_sio: add additional NovaTech products
USB: serial: mos7720: fix mos_parport refcount imbalance on error path
USB: serial: option: set driver_info for SIM5218 and compatibles
USB: serial: option: add Olicard 600
Disable kgdboc failed by echo space to /sys/module/kgdboc/parameters/kgdboc
fs/proc/proc_sysctl.c: fix NULL pointer dereference in put_links
gpio: adnp: Fix testing wrong value in adnp_gpio_direction_input
perf intel-pt: Fix TSC slip
x86/smp: Enforce CONFIG_HOTPLUG_CPU when SMP=y
KVM: Reject device ioctls from processes other than the VM's creator
xhci: Fix port resume done detection for SS ports with LPM enabled
Revert "USB: core: only clean up what we allocated"
arm64: support keyctl() system call in 32-bit mode
coresight: removing bind/unbind options from sysfs
stm class: Hide STM-specific options if STM is disabled
Linux 4.4.178
Change-Id: Ia7fc9419e85c78352eef494a0c914dec7650062f
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit 89e4130939a20304f4059ab72179da81f5347528 ]
When a dual stack tcp listener accepts an ipv4 flow,
it should not attempt to use an ipv6 header or tcp_v6_iif() helper.
Fixes: 1397ed35f22d ("ipv6: add flowinfo for tcp6 pkt_options for all cases")
Fixes: df3687ffc665 ("ipv6: add the IPV6_FL_F_REFLECT flag to IPV6_FL_A_GET")
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Eric Dumazet <edumazet@google.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 a4dc6a49156b1f8d6e17251ffda17c9e6a5db78a ]
When using fanouts with AF_PACKET, the demux functions such as
fanout_demux_cpu will return an index in the fanout socket array, which
corresponds to the selected socket.
The ordering of this array depends on the order the sockets were added
to a given fanout group, so for FANOUT_CPU this means sockets are bound
to cpus in the order they are configured, which is OK.
However, when stopping then restarting the interface these sockets are
bound to, the sockets are reassigned to the fanout group in the reverse
order, due to the fact that they were inserted at the head of the
interface's AF_PACKET socket list.
This means that traffic that was directed to the first socket in the
fanout group is now directed to the last one after an interface restart.
In the case of FANOUT_CPU, traffic from CPU0 will be directed to the
socket that used to receive traffic from the last CPU after an interface
restart.
This commit introduces a helper to add a socket at the tail of a list,
then uses it to register AF_PACKET sockets.
Note that this changes the order in which sockets are listed in /proc and
with sock_diag.
Fixes: dc99f600698d ("packet: Add fanout support")
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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