| Commit message (Collapse) | Author | Age |
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commit 05aaa5c97dce4c10a9e7eae2f1569a684e0c5ced upstream.
In a very similar spirit to commit c470bdc1aaf3 ("mac80211: don't WARN
on bad WMM parameters from buggy APs"), an AP may not transmit a
fully-formed WMM IE. For example, it may miss or repeat an Access
Category. The above loop won't catch that and will instead leave one of
the four ACs zeroed out. This triggers the following warning in
drv_conf_tx()
wlan0: invalid CW_min/CW_max: 0/0
and it may leave one of the hardware queues unconfigured. If we detect
such a case, let's just print a warning and fall back to the defaults.
Tested with a hacked version of hostapd, intentionally corrupting the
IEs in hostapd_eid_wmm().
Cc: stable@vger.kernel.org
Signed-off-by: Brian Norris <briannorris@chromium.org>
Link: https://lore.kernel.org/r/20190726224758.210953-1-briannorris@chromium.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit d2b3fe42bc629c2d4002f652b3abdfb2e72991c7 ]
ieee80211_set_wmm_default() normally sets up the initial CW min/max for
each queue, except that it skips doing this if the driver doesn't
support ->conf_tx. We still end up calling drv_conf_tx() in some cases
(e.g., ieee80211_reconfig()), which also still won't do anything
useful...except it complains here about the invalid CW parameters.
Let's just skip the WARN if we weren't going to do anything useful with
the parameters.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Link: https://lore.kernel.org/r/20190718015712.197499-1-briannorris@chromium.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 1b0890cd60829bd51455dc5ad689ed58c4408227 ]
Thomas and Juliana report a deadlock when running:
(rmmod nf_conntrack_netlink/xfrm_user)
conntrack -e NEW -E &
modprobe -v xfrm_user
They provided following analysis:
conntrack -e NEW -E
netlink_bind()
netlink_lock_table() -> increases "nl_table_users"
nfnetlink_bind()
# does not unlock the table as it's locked by netlink_bind()
__request_module()
call_usermodehelper_exec()
This triggers "modprobe nf_conntrack_netlink" from kernel, netlink_bind()
won't return until modprobe process is done.
"modprobe xfrm_user":
xfrm_user_init()
register_pernet_subsys()
-> grab pernet_ops_rwsem
..
netlink_table_grab()
calls schedule() as "nl_table_users" is non-zero
so modprobe is blocked because netlink_bind() increased
nl_table_users while also holding pernet_ops_rwsem.
"modprobe nf_conntrack_netlink" runs and inits nf_conntrack_netlink:
ctnetlink_init()
register_pernet_subsys()
-> blocks on "pernet_ops_rwsem" thanks to xfrm_user module
both modprobe processes wait on one another -- neither can make
progress.
Switch netlink_bind() to "nowait" modprobe -- this releases the netlink
table lock, which then allows both modprobe instances to complete.
Reported-by: Thomas Jarosch <thomas.jarosch@intra2net.com>
Reported-by: Juliana Rodrigueiro <juliana.rodrigueiro@intra2net.com>
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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* refs/heads/tmp-74c8219
Linux 4.4.189
x86/speculation/swapgs: Exclude ATOMs from speculation through SWAPGS
x86/entry/64: Use JMP instead of JMPQ
x86/speculation: Enable Spectre v1 swapgs mitigations
x86/speculation: Prepare entry code for Spectre v1 swapgs mitigations
x86/entry/64: Fix context tracking state warning when load_gs_index fails
x86: cpufeatures: Sort feature word 7
spi: bcm2835: Fix 3-wire mode if DMA is enabled
block: blk_init_allocated_queue() set q->fq as NULL in the fail case
compat_ioctl: pppoe: fix PPPOEIOCSFWD handling
bnx2x: Disable multi-cos feature.
net/mlx5: Use reversed order when unregister devices
net: sched: Fix a possible null-pointer dereference in dequeue_func()
tipc: compat: allow tipc commands without arguments
net: fix ifindex collision during namespace removal
net: bridge: delete local fdb on device init failure
atm: iphase: Fix Spectre v1 vulnerability
tcp: be more careful in tcp_fragment()
HID: Add quirk for HP X1200 PIXART OEM mouse
netfilter: nfnetlink_acct: validate NFACCT_QUOTA parameter
arm64: cpufeature: Fix feature comparison for CTR_EL0.{CWG,ERG}
arm64: cpufeature: Fix CTR_EL0 field definitions
UPSTREAM: net-ipv6-ndisc: add support for RFC7710 RA Captive Portal Identifier
Change-Id: I0bdf89783d0c83a3385d77f6b4c6f3d3b3fb0460
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.189
arm64: cpufeature: Fix CTR_EL0 field definitions
arm64: cpufeature: Fix feature comparison for CTR_EL0.{CWG,ERG}
netfilter: nfnetlink_acct: validate NFACCT_QUOTA parameter
HID: Add quirk for HP X1200 PIXART OEM mouse
tcp: be more careful in tcp_fragment()
atm: iphase: Fix Spectre v1 vulnerability
net: bridge: delete local fdb on device init failure
net: fix ifindex collision during namespace removal
tipc: compat: allow tipc commands without arguments
net: sched: Fix a possible null-pointer dereference in dequeue_func()
net/mlx5: Use reversed order when unregister devices
bnx2x: Disable multi-cos feature.
compat_ioctl: pppoe: fix PPPOEIOCSFWD handling
block: blk_init_allocated_queue() set q->fq as NULL in the fail case
spi: bcm2835: Fix 3-wire mode if DMA is enabled
x86: cpufeatures: Sort feature word 7
x86/entry/64: Fix context tracking state warning when load_gs_index fails
x86/speculation: Prepare entry code for Spectre v1 swapgs mitigations
x86/speculation: Enable Spectre v1 swapgs mitigations
x86/entry/64: Use JMP instead of JMPQ
x86/speculation/swapgs: Exclude ATOMs from speculation through SWAPGS
Linux 4.4.189
Change-Id: I3d4e7965c8f5547ab025236686ea0d60e0b6e1f4
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit 055d88242a6046a1ceac3167290f054c72571cd9 ]
Support for handling the PPPOEIOCSFWD ioctl in compat mode was added in
linux-2.5.69 along with hundreds of other commands, but was always broken
sincen only the structure is compatible, but the command number is not,
due to the size being sizeof(size_t), or at first sizeof(sizeof((struct
sockaddr_pppox)), which is different on 64-bit architectures.
Guillaume Nault adds:
And the implementation was broken until 2016 (see 29e73269aa4d ("pppoe:
fix reference counting in PPPoE proxy")), and nobody ever noticed. I
should probably have removed this ioctl entirely instead of fixing it.
Clearly, it has never been used.
Fix it by adding a compat_ioctl handler for all pppoe variants that
translates the command number and then calls the regular ioctl function.
All other ioctl commands handled by pppoe are compatible between 32-bit
and 64-bit, and require compat_ptr() conversion.
This should apply to all stable kernels.
Acked-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 051c7b39be4a91f6b7d8c4548444e4b850f1f56c ]
In dequeue_func(), there is an if statement on line 74 to check whether
skb is NULL:
if (skb)
When skb is NULL, it is used on line 77:
prefetch(&skb->end);
Thus, a possible null-pointer dereference may occur.
To fix this bug, skb->end is used when skb is not NULL.
This bug is found by a static analysis tool STCheck written by us.
Fixes: 76e3cc126bb2 ("codel: Controlled Delay AQM")
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.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 4da5f0018eef4c0de31675b670c80e82e13e99d1 ]
Commit 2753ca5d9009 ("tipc: fix uninit-value in tipc_nl_compat_doit")
broke older tipc tools that use compat interface (e.g. tipc-config from
tipcutils package):
% tipc-config -p
operation not supported
The commit started to reject TIPC netlink compat messages that do not
have attributes. It is too restrictive because some of such messages are
valid (they don't need any arguments):
% grep 'tx none' include/uapi/linux/tipc_config.h
#define TIPC_CMD_NOOP 0x0000 /* tx none, rx none */
#define TIPC_CMD_GET_MEDIA_NAMES 0x0002 /* tx none, rx media_name(s) */
#define TIPC_CMD_GET_BEARER_NAMES 0x0003 /* tx none, rx bearer_name(s) */
#define TIPC_CMD_SHOW_PORTS 0x0006 /* tx none, rx ultra_string */
#define TIPC_CMD_GET_REMOTE_MNG 0x4003 /* tx none, rx unsigned */
#define TIPC_CMD_GET_MAX_PORTS 0x4004 /* tx none, rx unsigned */
#define TIPC_CMD_GET_NETID 0x400B /* tx none, rx unsigned */
#define TIPC_CMD_NOT_NET_ADMIN 0xC001 /* tx none, rx none */
This patch relaxes the original fix and rejects messages without
arguments only if such arguments are expected by a command (reg_type is
non zero).
Fixes: 2753ca5d9009 ("tipc: fix uninit-value in tipc_nl_compat_doit")
Cc: stable@vger.kernel.org
Signed-off-by: Taras Kondratiuk <takondra@cisco.com>
Acked-by: Ying Xue <ying.xue@windriver.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 55b40dbf0e76b4bfb9d8b3a16a0208640a9a45df ]
Commit aca51397d014 ("netns: Fix arbitrary net_device-s corruptions
on net_ns stop.") introduced a possibility to hit a BUG in case device
is returning back to init_net and two following conditions are met:
1) dev->ifindex value is used in a name of another "dev%d"
device in init_net.
2) dev->name is used by another device in init_net.
Under real life circumstances this is hard to get. Therefore this has
been present happily for over 10 years. To reproduce:
$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: dummy0: <BROADCAST,NOARP> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 86:89:3f:86:61:29 brd ff:ff:ff:ff:ff:ff
3: enp0s2: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff
$ ip netns add ns1
$ ip -n ns1 link add dummy1ns1 type dummy
$ ip -n ns1 link add dummy2ns1 type dummy
$ ip link set enp0s2 netns ns1
$ ip -n ns1 link set enp0s2 name dummy0
[ 100.858894] virtio_net virtio0 dummy0: renamed from enp0s2
$ ip link add dev4 type dummy
$ ip -n ns1 a
1: lo: <LOOPBACK> mtu 65536 qdisc noop state DOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: dummy1ns1: <BROADCAST,NOARP> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 16:63:4c:38:3e:ff brd ff:ff:ff:ff:ff:ff
3: dummy2ns1: <BROADCAST,NOARP> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether aa:9e:86:dd:6b:5d brd ff:ff:ff:ff:ff:ff
4: dummy0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 52:54:00:12:34:56 brd ff:ff:ff:ff:ff:ff
$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: dummy0: <BROADCAST,NOARP> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 86:89:3f:86:61:29 brd ff:ff:ff:ff:ff:ff
4: dev4: <BROADCAST,NOARP> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 5a:e1:4a:b6:ec:f8 brd ff:ff:ff:ff:ff:ff
$ ip netns del ns1
[ 158.717795] default_device_exit: failed to move dummy0 to init_net: -17
[ 158.719316] ------------[ cut here ]------------
[ 158.720591] kernel BUG at net/core/dev.c:9824!
[ 158.722260] invalid opcode: 0000 [#1] SMP KASAN PTI
[ 158.723728] CPU: 0 PID: 56 Comm: kworker/u2:1 Not tainted 5.3.0-rc1+ #18
[ 158.725422] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-2.fc30 04/01/2014
[ 158.727508] Workqueue: netns cleanup_net
[ 158.728915] RIP: 0010:default_device_exit.cold+0x1d/0x1f
[ 158.730683] Code: 84 e8 18 c9 3e fe 0f 0b e9 70 90 ff ff e8 36 e4 52 fe 89 d9 4c 89 e2 48 c7 c6 80 d6 25 84 48 c7 c7 20 c0 25 84 e8 f4 c8 3e
[ 158.736854] RSP: 0018:ffff8880347e7b90 EFLAGS: 00010282
[ 158.738752] RAX: 000000000000003b RBX: 00000000ffffffef RCX: 0000000000000000
[ 158.741369] RDX: 0000000000000000 RSI: ffffffff8128013d RDI: ffffed10068fcf64
[ 158.743418] RBP: ffff888033550170 R08: 000000000000003b R09: fffffbfff0b94b9c
[ 158.745626] R10: fffffbfff0b94b9b R11: ffffffff85ca5cdf R12: ffff888032f28000
[ 158.748405] R13: dffffc0000000000 R14: ffff8880335501b8 R15: 1ffff110068fcf72
[ 158.750638] FS: 0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[ 158.752944] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 158.755245] CR2: 00007fe8b45d21d0 CR3: 00000000340b4005 CR4: 0000000000360ef0
[ 158.757654] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 158.760012] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 158.762758] Call Trace:
[ 158.763882] ? dev_change_net_namespace+0xbb0/0xbb0
[ 158.766148] ? devlink_nl_cmd_set_doit+0x520/0x520
[ 158.768034] ? dev_change_net_namespace+0xbb0/0xbb0
[ 158.769870] ops_exit_list.isra.0+0xa8/0x150
[ 158.771544] cleanup_net+0x446/0x8f0
[ 158.772945] ? unregister_pernet_operations+0x4a0/0x4a0
[ 158.775294] process_one_work+0xa1a/0x1740
[ 158.776896] ? pwq_dec_nr_in_flight+0x310/0x310
[ 158.779143] ? do_raw_spin_lock+0x11b/0x280
[ 158.780848] worker_thread+0x9e/0x1060
[ 158.782500] ? process_one_work+0x1740/0x1740
[ 158.784454] kthread+0x31b/0x420
[ 158.786082] ? __kthread_create_on_node+0x3f0/0x3f0
[ 158.788286] ret_from_fork+0x3a/0x50
[ 158.789871] ---[ end trace defd6c657c71f936 ]---
[ 158.792273] RIP: 0010:default_device_exit.cold+0x1d/0x1f
[ 158.795478] Code: 84 e8 18 c9 3e fe 0f 0b e9 70 90 ff ff e8 36 e4 52 fe 89 d9 4c 89 e2 48 c7 c6 80 d6 25 84 48 c7 c7 20 c0 25 84 e8 f4 c8 3e
[ 158.804854] RSP: 0018:ffff8880347e7b90 EFLAGS: 00010282
[ 158.807865] RAX: 000000000000003b RBX: 00000000ffffffef RCX: 0000000000000000
[ 158.811794] RDX: 0000000000000000 RSI: ffffffff8128013d RDI: ffffed10068fcf64
[ 158.816652] RBP: ffff888033550170 R08: 000000000000003b R09: fffffbfff0b94b9c
[ 158.820930] R10: fffffbfff0b94b9b R11: ffffffff85ca5cdf R12: ffff888032f28000
[ 158.825113] R13: dffffc0000000000 R14: ffff8880335501b8 R15: 1ffff110068fcf72
[ 158.829899] FS: 0000000000000000(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[ 158.834923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 158.838164] CR2: 00007fe8b45d21d0 CR3: 00000000340b4005 CR4: 0000000000360ef0
[ 158.841917] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 158.845149] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Fix this by checking if a device with the same name exists in init_net
and fallback to original code - dev%d to allocate name - in case it does.
This was found using syzkaller.
Fixes: aca51397d014 ("netns: Fix arbitrary net_device-s corruptions on net_ns stop.")
Signed-off-by: Jiri Pirko <jiri@mellanox.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 d7bae09fa008c6c9a489580db0a5a12063b97f97 ]
On initialization failure we have to delete the local fdb which was
inserted due to the default pvid creation. This problem has been present
since the inception of default_pvid. Note that currently there are 2 cases:
1) in br_dev_init() when br_multicast_init() fails
2) if register_netdevice() fails after calling ndo_init()
This patch takes care of both since br_vlan_flush() is called on both
occasions. Also the new fdb delete would be a no-op on normal bridge
device destruction since the local fdb would've been already flushed by
br_dev_delete(). This is not an issue for ports since nbp_vlan_init() is
called last when adding a port thus nothing can fail after it.
Reported-by: syzbot+88533dc8b582309bf3ee@syzkaller.appspotmail.com
Fixes: 5be5a2df40f0 ("bridge: Add filtering support for default_pvid")
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 b617158dc096709d8600c53b6052144d12b89fab ]
Some applications set tiny SO_SNDBUF values and expect
TCP to just work. Recent patches to address CVE-2019-11478
broke them in case of losses, since retransmits might
be prevented.
We should allow these flows to make progress.
This patch allows the first and last skb in retransmit queue
to be split even if memory limits are hit.
It also adds the some room due to the fact that tcp_sendmsg()
and tcp_sendpage() might overshoot sk_wmem_queued by about one full
TSO skb (64KB size). Note this allowance was already present
in stable backports for kernels < 4.15
Note for < 4.15 backports :
tcp_rtx_queue_tail() will probably look like :
static inline struct sk_buff *tcp_rtx_queue_tail(const struct sock *sk)
{
struct sk_buff *skb = tcp_send_head(sk);
return skb ? tcp_write_queue_prev(sk, skb) : tcp_write_queue_tail(sk);
}
Fixes: f070ef2ac667 ("tcp: tcp_fragment() should apply sane memory limits")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Andrew Prout <aprout@ll.mit.edu>
Tested-by: Andrew Prout <aprout@ll.mit.edu>
Tested-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Tested-by: Michal Kubecek <mkubecek@suse.cz>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Christoph Paasch <cpaasch@apple.com>
Cc: Jonathan Looney <jtl@netflix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit eda3fc50daa93b08774a18d51883c5a5d8d85e15 ]
If a quota bit is set in NFACCT_FLAGS but the NFACCT_QUOTA parameter is
missing then a NULL pointer dereference is triggered. CAP_NET_ADMIN is
required to trigger the bug.
Signed-off-by: Phil Turnbull <phil.turnbull@oracle.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is trivial since we already have support for the entirely
identical (from the kernel's point of view) RDNSS and DNSSL that
also contain opaque data that needs to be passed down to userspace.
As specified in RFC7710, Captive Portal option contains a URL.
8-bit identifier of the option type as assigned by the IANA is 37.
This option should also be treated as userland.
Hence, treat ND option 37 as userland (Captive Portal support)
See:
https://tools.ietf.org/html/rfc7710
https://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xhtml
Fixes: e35f30c131a56
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Cc: Lorenzo Colitti <lorenzo@google.com>
Cc: Remin Nguyen Van <reminv@google.com>
Cc: Alexey I. Froloff <raorn@raorn.name>
Signed-off-by: David S. Miller <davem@davemloft.net>
Bug: 137914568
Change-Id: I73c12c45660e6371c1e193f799c0da7d97bd5435
(cherry picked from commit 66b5f1c439843bcbab01cc7f3854ae2742f3d1e3)
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* refs/heads/tmp-8eb3d65
Linux 4.4.187
ceph: hold i_ceph_lock when removing caps for freeing inode
drivers/pps/pps.c: clear offset flags in PPS_SETPARAMS ioctl
sched/fair: Don't free p->numa_faults with concurrent readers
Bluetooth: hci_uart: check for missing tty operations
media: radio-raremono: change devm_k*alloc to k*alloc
media: cpia2_usb: first wake up, then free in disconnect
ISDN: hfcsusb: checking idx of ep configuration
tcp: reset sk_send_head in tcp_write_queue_purge
ipv6: check sk sk_type and protocol early in ip_mroute_set/getsockopt
mm, vmstat: make quiet_vmstat lighter
vmstat: Remove BUG_ON from vmstat_update
access: avoid the RCU grace period for the temporary subjective credentials
powerpc/tm: Fix oops on sigreturn on systems without TM
ALSA: hda - Add a conexant codec entry to let mute led work
ALSA: line6: Fix wrong altsetting for LINE6_PODHD500_1
hpet: Fix division by zero in hpet_time_div()
x86/speculation/mds: Apply more accurate check on hypervisor platform
x86/sysfb_efi: Add quirks for some devices with swapped width and height
usb: pci-quirks: Correct AMD PLL quirk detection
usb: wusbcore: fix unbalanced get/put cluster_id
locking/lockdep: Hide unused 'class' variable
locking/lockdep: Fix lock used or unused stats error
mm/mmu_notifier: use hlist_add_head_rcu()
9p: pass the correct prototype to read_cache_page
mm/kmemleak.c: fix check for softirq context
sh: prevent warnings when using iounmap
powerpc/eeh: Handle hugepages in ioremap space
mailbox: handle failed named mailbox channel request
f2fs: avoid out-of-range memory access
perf test mmap-thread-lookup: Initialize variable to suppress memory sanitizer warning
kallsyms: exclude kasan local symbols on s390
serial: sh-sci: Fix TX DMA buffer flushing and workqueue races
powerpc/4xx/uic: clear pending interrupt after irq type/pol change
um: Silence lockdep complaint about mmap_sem
mfd: arizona: Fix undefined behavior
mfd: core: Set fwnode for created devices
recordmcount: Fix spurious mcount entries on powerpc
iio: iio-utils: Fix possible incorrect mask calculation
PCI: sysfs: Ignore lockdep for remove attribute
powerpc/pci/of: Fix OF flags parsing for 64bit BARs
usb: gadget: Zero ffs_io_data
phy: renesas: rcar-gen2: Fix memory leak at error paths
drm/virtio: Add memory barriers for capset cache.
tty: serial: msm_serial: avoid system lockup condition
tty/serial: digicolor: Fix digicolor-usart already registered warning
memstick: Fix error cleanup path of memstick_init
tty: serial: cpm_uart - fix init when SMC is relocated
pinctrl: rockchip: fix leaked of_node references
tty: max310x: Fix invalid baudrate divisors calculator
usb: core: hub: Disable hub-initiated U1/U2
drm/panel: simple: Fix panel_simple_dsi_probe
nfsd: Fix overflow causing non-working mounts on 1 TB machines
nfsd: fix performance-limiting session calculation
nfsd: give out fewer session slots as limit approaches
nfsd: increase DRC cache limit
NFSv4: Fix open create exclusive when the server reboots
elevator: fix truncation of icq_cache_name
net: bridge: stp: don't cache eth dest pointer before skb pull
net: bridge: mcast: fix stale ipv6 hdr pointer when handling v6 query
net: bridge: mcast: fix stale nsrcs pointer in igmp3/mld2 report handling
bonding: validate ip header before check IPPROTO_IGMP
tcp: Reset bytes_acked and bytes_received when disconnecting
netrom: hold sock when setting skb->destructor
netrom: fix a memory leak in nr_rx_frame()
sky2: Disable MSI on ASUS P6T
nfc: fix potential illegal memory access
net: neigh: fix multiple neigh timer scheduling
net: bcmgenet: use promisc for unsupported filters
ipv4: don't set IPv6 only flags to IPv4 addresses
caif-hsi: fix possible deadlock in cfhsi_exit_module()
bnx2x: Prevent load reordering in tx completion processing
dm bufio: fix deadlock with loop device
usb: Handle USB3 remote wakeup for LPM enabled devices correctly
Bluetooth: Add SMP workaround Microsoft Surface Precision Mouse bug
intel_th: msu: Fix single mode with disabled IOMMU
eCryptfs: fix a couple type promotion bugs
powerpc/watchpoint: Restore NV GPRs while returning from exception
powerpc/32s: fix suspend/resume when IBATs 4-7 are used
parisc: Fix kernel panic due invalid values in IAOQ0 or IAOQ1
gpu: ipu-v3: ipu-ic: Fix saturation bit offset in TPMEM
coda: pass the host file in vma->vm_file on mmap
floppy: fix out-of-bounds read in copy_buffer
floppy: fix invalid pointer dereference in drive_name
floppy: fix out-of-bounds read in next_valid_format
floppy: fix div-by-zero in setup_format_params
take floppy compat ioctls to sodding floppy.c
PCI: Do not poll for PME if the device is in D3cold
9p/virtio: Add cleanup path in p9_virtio_init
padata: use smp_mb in padata_reorder to avoid orphaned padata jobs
drm/nouveau/i2c: Enable i2c pads & busses during preinit
KVM: x86/vPMU: refine kvm_pmu err msg when event creation failed
media: coda: Remove unbalanced and unneeded mutex unlock
media: v4l2: Test type instead of cfg->type in v4l2_ctrl_new_custom()
ALSA: seq: Break too long mutex context in the write loop
lib/scatterlist: Fix mapping iterator when sg->offset is greater than PAGE_SIZE
NFSv4: Handle the special Linux file open access mode
tracing/snapshot: Resize spare buffer if size changed
regulator: s2mps11: Fix buck7 and buck8 wrong voltages
Input: gtco - bounds check collection indent level
crypto: arm64/sha2-ce - correct digest for empty data in finup
crypto: arm64/sha1-ce - correct digest for empty data in finup
crypto: ghash - fix unaligned memory access in ghash_setkey()
Bluetooth: validate BLE connection interval updates
Bluetooth: Check state in l2cap_disconnect_rsp
Bluetooth: 6lowpan: search for destination address in all peers
Bluetooth: hci_bcsp: Fix memory leak in rx_skb
bcache: check c->gc_thread by IS_ERR_OR_NULL in cache_set_flush()
EDAC: Fix global-out-of-bounds write when setting edac_mc_poll_msec
ixgbe: Check DDM existence in transceiver before access
rslib: Fix handling of of caller provided syndrome
rslib: Fix decoding of shortened codes
ath10k: fix PCIE device wake up failed
mt7601u: fix possible memory leak when the device is disconnected
x86/build: Add 'set -e' to mkcapflags.sh to delete broken capflags.c
mt7601u: do not schedule rx_tasklet when the device has been disconnected
media: coda: increment sequence offset for the last returned frame
media: coda: fix mpeg2 sequence number handling
acpi/arm64: ignore 5.1 FADTs that are reported as 5.0
timer_list: Guard procfs specific code
ntp: Limit TAI-UTC offset
media: i2c: fix warning same module names
EDAC/sysfs: Fix memory leak when creating a csrow object
vhost_net: disable zerocopy by default
perf evsel: Make perf_evsel__name() accept a NULL argument
xfrm: fix sa selector validation
rcu: Force inlining of rcu_read_lock()
bpf: silence warning messages in core
regmap: fix bulk writes on paged registers
gpio: omap: ensure irq is enabled before wakeup
gpio: omap: fix lack of irqstatus_raw0 for OMAP4
perf test 6: Fix missing kvm module load for s390
s390/qdio: handle PENDING state for QEBSM devices
net: axienet: Fix race condition causing TX hang
net: fec: Do not use netdev messages too early
cpupower : frequency-set -r option misses the last cpu in related cpu list
media: wl128x: Fix some error handling in fm_v4l2_init_video_device()
locking/lockdep: Fix merging of hlocks with non-zero references
tua6100: Avoid build warnings.
net: phy: Check against net_device being NULL
media: staging: media: davinci_vpfe: - Fix for memory leak if decoder initialization fails.
xfrm: Fix xfrm sel prefix length validation
af_key: fix leaks in key_pol_get_resp and dump_sp.
signal/pid_namespace: Fix reboot_pid_ns to use send_sig not force_sig
net: stmmac: dwmac1000: Clear unused address entries
media: vpss: fix a potential NULL pointer dereference
media: marvell-ccic: fix DMA s/g desc number calculation
crypto: talitos - fix skcipher failure due to wrong output IV
media: dvb: usb: fix use after free in dvb_usb_device_exit
batman-adv: fix for leaked TVLV handler.
ath: DFS JP domain W56 fixed pulse type 3 RADAR detection
ath6kl: add some bounds checking
ath9k: Check for errors when reading SREV register
ath10k: Do not send probe response template for mesh
dmaengine: imx-sdma: fix use-after-free on probe error path
MIPS: fix build on non-linux hosts
MIPS: ath79: fix ar933x uart parity mode
f2fs: use EINVAL for superblock with invalid magic
f2fs: fix to read source block before invalidating it
f2fs: remove redundant check from f2fs_setflags_common()
f2fs: use generic checking and prep function for FS_IOC_SETFLAGS
ANDROID: overlayfs: Fix a regression in commit b24be4acd
ANDROID: xfrm: remove in_compat_syscall() checks
ANDROID: enable CONFIG_RTC_DRV_TEST on cuttlefish
BACKPORT: binder: Set end of SG buffer area properly.
f2fs: improve print log in f2fs_sanity_check_ckpt()
f2fs: avoid out-of-range memory access
f2fs: fix to avoid long latency during umount
f2fs: allow all the users to pin a file
f2fs: support swap file w/ DIO
f2fs: allocate blocks for pinned file
f2fs: fix is_idle() check for discard type
f2fs: add a rw_sem to cover quota flag changes
f2fs: set SBI_NEED_FSCK for xattr corruption case
f2fs: use generic EFSBADCRC/EFSCORRUPTED
f2fs: Use DIV_ROUND_UP() instead of open-coding
f2fs: print kernel message if filesystem is inconsistent
f2fs: introduce f2fs_<level> macros to wrap f2fs_printk()
f2fs: avoid get_valid_blocks() for cleanup
f2fs: ioctl for removing a range from F2FS
f2fs: only set project inherit bit for directory
f2fs: separate f2fs i_flags from fs_flags and ext4 i_flags
f2fs: Add option to limit required GC for checkpoint=disable
f2fs: Fix accounting for unusable blocks
f2fs: Fix root reserved on remount
f2fs: Lower threshold for disable_cp_again
f2fs: fix sparse warning
f2fs: fix f2fs_show_options to show nodiscard mount option
f2fs: add error prints for debugging mount failure
f2fs: fix to do sanity check on segment bitmap of LFS curseg
f2fs: add missing sysfs entries in documentation
f2fs: fix to avoid deadloop if data_flush is on
f2fs: always assume that the device is idle under gc_urgent
f2fs: add bio cache for IPU
f2fs: allow ssr block allocation during checkpoint=disable period
f2fs: fix to check layout on last valid checkpoint park
Conflicts:
drivers/net/wireless/ath/ath10k/hw.c
fs/ecryptfs/crypto.c
mm/vmstat.c
Change-Id: Ic268e845f4992a9dbdf5c985cfe9359a56a5c72e
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.187
MIPS: ath79: fix ar933x uart parity mode
MIPS: fix build on non-linux hosts
dmaengine: imx-sdma: fix use-after-free on probe error path
ath10k: Do not send probe response template for mesh
ath9k: Check for errors when reading SREV register
ath6kl: add some bounds checking
ath: DFS JP domain W56 fixed pulse type 3 RADAR detection
batman-adv: fix for leaked TVLV handler.
media: dvb: usb: fix use after free in dvb_usb_device_exit
crypto: talitos - fix skcipher failure due to wrong output IV
media: marvell-ccic: fix DMA s/g desc number calculation
media: vpss: fix a potential NULL pointer dereference
net: stmmac: dwmac1000: Clear unused address entries
signal/pid_namespace: Fix reboot_pid_ns to use send_sig not force_sig
af_key: fix leaks in key_pol_get_resp and dump_sp.
xfrm: Fix xfrm sel prefix length validation
media: staging: media: davinci_vpfe: - Fix for memory leak if decoder initialization fails.
net: phy: Check against net_device being NULL
tua6100: Avoid build warnings.
locking/lockdep: Fix merging of hlocks with non-zero references
media: wl128x: Fix some error handling in fm_v4l2_init_video_device()
cpupower : frequency-set -r option misses the last cpu in related cpu list
net: fec: Do not use netdev messages too early
net: axienet: Fix race condition causing TX hang
s390/qdio: handle PENDING state for QEBSM devices
perf test 6: Fix missing kvm module load for s390
gpio: omap: fix lack of irqstatus_raw0 for OMAP4
gpio: omap: ensure irq is enabled before wakeup
regmap: fix bulk writes on paged registers
bpf: silence warning messages in core
rcu: Force inlining of rcu_read_lock()
xfrm: fix sa selector validation
perf evsel: Make perf_evsel__name() accept a NULL argument
vhost_net: disable zerocopy by default
EDAC/sysfs: Fix memory leak when creating a csrow object
media: i2c: fix warning same module names
ntp: Limit TAI-UTC offset
timer_list: Guard procfs specific code
acpi/arm64: ignore 5.1 FADTs that are reported as 5.0
media: coda: fix mpeg2 sequence number handling
media: coda: increment sequence offset for the last returned frame
mt7601u: do not schedule rx_tasklet when the device has been disconnected
x86/build: Add 'set -e' to mkcapflags.sh to delete broken capflags.c
mt7601u: fix possible memory leak when the device is disconnected
ath10k: fix PCIE device wake up failed
rslib: Fix decoding of shortened codes
rslib: Fix handling of of caller provided syndrome
ixgbe: Check DDM existence in transceiver before access
EDAC: Fix global-out-of-bounds write when setting edac_mc_poll_msec
bcache: check c->gc_thread by IS_ERR_OR_NULL in cache_set_flush()
Bluetooth: hci_bcsp: Fix memory leak in rx_skb
Bluetooth: 6lowpan: search for destination address in all peers
Bluetooth: Check state in l2cap_disconnect_rsp
Bluetooth: validate BLE connection interval updates
crypto: ghash - fix unaligned memory access in ghash_setkey()
crypto: arm64/sha1-ce - correct digest for empty data in finup
crypto: arm64/sha2-ce - correct digest for empty data in finup
Input: gtco - bounds check collection indent level
regulator: s2mps11: Fix buck7 and buck8 wrong voltages
tracing/snapshot: Resize spare buffer if size changed
NFSv4: Handle the special Linux file open access mode
lib/scatterlist: Fix mapping iterator when sg->offset is greater than PAGE_SIZE
ALSA: seq: Break too long mutex context in the write loop
media: v4l2: Test type instead of cfg->type in v4l2_ctrl_new_custom()
media: coda: Remove unbalanced and unneeded mutex unlock
KVM: x86/vPMU: refine kvm_pmu err msg when event creation failed
drm/nouveau/i2c: Enable i2c pads & busses during preinit
padata: use smp_mb in padata_reorder to avoid orphaned padata jobs
9p/virtio: Add cleanup path in p9_virtio_init
PCI: Do not poll for PME if the device is in D3cold
take floppy compat ioctls to sodding floppy.c
floppy: fix div-by-zero in setup_format_params
floppy: fix out-of-bounds read in next_valid_format
floppy: fix invalid pointer dereference in drive_name
floppy: fix out-of-bounds read in copy_buffer
coda: pass the host file in vma->vm_file on mmap
gpu: ipu-v3: ipu-ic: Fix saturation bit offset in TPMEM
parisc: Fix kernel panic due invalid values in IAOQ0 or IAOQ1
powerpc/32s: fix suspend/resume when IBATs 4-7 are used
powerpc/watchpoint: Restore NV GPRs while returning from exception
eCryptfs: fix a couple type promotion bugs
intel_th: msu: Fix single mode with disabled IOMMU
Bluetooth: Add SMP workaround Microsoft Surface Precision Mouse bug
usb: Handle USB3 remote wakeup for LPM enabled devices correctly
dm bufio: fix deadlock with loop device
bnx2x: Prevent load reordering in tx completion processing
caif-hsi: fix possible deadlock in cfhsi_exit_module()
ipv4: don't set IPv6 only flags to IPv4 addresses
net: bcmgenet: use promisc for unsupported filters
net: neigh: fix multiple neigh timer scheduling
nfc: fix potential illegal memory access
sky2: Disable MSI on ASUS P6T
netrom: fix a memory leak in nr_rx_frame()
netrom: hold sock when setting skb->destructor
tcp: Reset bytes_acked and bytes_received when disconnecting
bonding: validate ip header before check IPPROTO_IGMP
net: bridge: mcast: fix stale nsrcs pointer in igmp3/mld2 report handling
net: bridge: mcast: fix stale ipv6 hdr pointer when handling v6 query
net: bridge: stp: don't cache eth dest pointer before skb pull
elevator: fix truncation of icq_cache_name
NFSv4: Fix open create exclusive when the server reboots
nfsd: increase DRC cache limit
nfsd: give out fewer session slots as limit approaches
nfsd: fix performance-limiting session calculation
nfsd: Fix overflow causing non-working mounts on 1 TB machines
drm/panel: simple: Fix panel_simple_dsi_probe
usb: core: hub: Disable hub-initiated U1/U2
tty: max310x: Fix invalid baudrate divisors calculator
pinctrl: rockchip: fix leaked of_node references
tty: serial: cpm_uart - fix init when SMC is relocated
memstick: Fix error cleanup path of memstick_init
tty/serial: digicolor: Fix digicolor-usart already registered warning
tty: serial: msm_serial: avoid system lockup condition
drm/virtio: Add memory barriers for capset cache.
phy: renesas: rcar-gen2: Fix memory leak at error paths
usb: gadget: Zero ffs_io_data
powerpc/pci/of: Fix OF flags parsing for 64bit BARs
PCI: sysfs: Ignore lockdep for remove attribute
iio: iio-utils: Fix possible incorrect mask calculation
recordmcount: Fix spurious mcount entries on powerpc
mfd: core: Set fwnode for created devices
mfd: arizona: Fix undefined behavior
um: Silence lockdep complaint about mmap_sem
powerpc/4xx/uic: clear pending interrupt after irq type/pol change
serial: sh-sci: Fix TX DMA buffer flushing and workqueue races
kallsyms: exclude kasan local symbols on s390
perf test mmap-thread-lookup: Initialize variable to suppress memory sanitizer warning
f2fs: avoid out-of-range memory access
mailbox: handle failed named mailbox channel request
powerpc/eeh: Handle hugepages in ioremap space
sh: prevent warnings when using iounmap
mm/kmemleak.c: fix check for softirq context
9p: pass the correct prototype to read_cache_page
mm/mmu_notifier: use hlist_add_head_rcu()
locking/lockdep: Fix lock used or unused stats error
locking/lockdep: Hide unused 'class' variable
usb: wusbcore: fix unbalanced get/put cluster_id
usb: pci-quirks: Correct AMD PLL quirk detection
x86/sysfb_efi: Add quirks for some devices with swapped width and height
x86/speculation/mds: Apply more accurate check on hypervisor platform
hpet: Fix division by zero in hpet_time_div()
ALSA: line6: Fix wrong altsetting for LINE6_PODHD500_1
ALSA: hda - Add a conexant codec entry to let mute led work
powerpc/tm: Fix oops on sigreturn on systems without TM
access: avoid the RCU grace period for the temporary subjective credentials
vmstat: Remove BUG_ON from vmstat_update
mm, vmstat: make quiet_vmstat lighter
ipv6: check sk sk_type and protocol early in ip_mroute_set/getsockopt
tcp: reset sk_send_head in tcp_write_queue_purge
ISDN: hfcsusb: checking idx of ep configuration
media: cpia2_usb: first wake up, then free in disconnect
media: radio-raremono: change devm_k*alloc to k*alloc
Bluetooth: hci_uart: check for missing tty operations
sched/fair: Don't free p->numa_faults with concurrent readers
drivers/pps/pps.c: clear offset flags in PPS_SETPARAMS ioctl
ceph: hold i_ceph_lock when removing caps for freeing inode
Linux 4.4.187
Change-Id: Id03e619b24750a6b3faaff02166469569f5deb4f
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit 99253eb750fda6a644d5188fb26c43bad8d5a745 ]
Commit 5e1859fbcc3c ("ipv4: ipmr: various fixes and cleanups") fixed
the issue for ipv4 ipmr:
ip_mroute_setsockopt() & ip_mroute_getsockopt() should not
access/set raw_sk(sk)->ipmr_table before making sure the socket
is a raw socket, and protocol is IGMP
The same fix should be done for ipv6 ipmr as well.
This patch can fix the panic caused by overwriting the same offset
as ipmr_table as in raw_sk(sk) when accessing other type's socket
by ip_mroute_setsockopt().
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 2446a68ae6a8cee6d480e2f5b52f5007c7c41312 ]
Don't cache eth dest pointer before calling pskb_may_pull.
Fixes: cf0f02d04a83 ("[BRIDGE]: use llc for receiving STP packets")
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 3b26a5d03d35d8f732d75951218983c0f7f68dff ]
We get a pointer to the ipv6 hdr in br_ip6_multicast_query but we may
call pskb_may_pull afterwards and end up using a stale pointer.
So use the header directly, it's just 1 place where it's needed.
Fixes: 08b202b67264 ("bridge br_multicast: IPv6 MLD support.")
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Tested-by: Martin Weinelt <martin@linuxlounge.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 e57f61858b7cf478ed6fa23ed4b3876b1c9625c4 ]
We take a pointer to grec prior to calling pskb_may_pull and use it
afterwards to get nsrcs so record nsrcs before the pull when handling
igmp3 and we get a pointer to nsrcs and call pskb_may_pull when handling
mld2 which again could lead to reading 2 bytes out-of-bounds.
==================================================================
BUG: KASAN: use-after-free in br_multicast_rcv+0x480c/0x4ad0 [bridge]
Read of size 2 at addr ffff8880421302b4 by task ksoftirqd/1/16
CPU: 1 PID: 16 Comm: ksoftirqd/1 Tainted: G OE 5.2.0-rc6+ #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
Call Trace:
dump_stack+0x71/0xab
print_address_description+0x6a/0x280
? br_multicast_rcv+0x480c/0x4ad0 [bridge]
__kasan_report+0x152/0x1aa
? br_multicast_rcv+0x480c/0x4ad0 [bridge]
? br_multicast_rcv+0x480c/0x4ad0 [bridge]
kasan_report+0xe/0x20
br_multicast_rcv+0x480c/0x4ad0 [bridge]
? br_multicast_disable_port+0x150/0x150 [bridge]
? ktime_get_with_offset+0xb4/0x150
? __kasan_kmalloc.constprop.6+0xa6/0xf0
? __netif_receive_skb+0x1b0/0x1b0
? br_fdb_update+0x10e/0x6e0 [bridge]
? br_handle_frame_finish+0x3c6/0x11d0 [bridge]
br_handle_frame_finish+0x3c6/0x11d0 [bridge]
? br_pass_frame_up+0x3a0/0x3a0 [bridge]
? virtnet_probe+0x1c80/0x1c80 [virtio_net]
br_handle_frame+0x731/0xd90 [bridge]
? select_idle_sibling+0x25/0x7d0
? br_handle_frame_finish+0x11d0/0x11d0 [bridge]
__netif_receive_skb_core+0xced/0x2d70
? virtqueue_get_buf_ctx+0x230/0x1130 [virtio_ring]
? do_xdp_generic+0x20/0x20
? virtqueue_napi_complete+0x39/0x70 [virtio_net]
? virtnet_poll+0x94d/0xc78 [virtio_net]
? receive_buf+0x5120/0x5120 [virtio_net]
? __netif_receive_skb_one_core+0x97/0x1d0
__netif_receive_skb_one_core+0x97/0x1d0
? __netif_receive_skb_core+0x2d70/0x2d70
? _raw_write_trylock+0x100/0x100
? __queue_work+0x41e/0xbe0
process_backlog+0x19c/0x650
? _raw_read_lock_irq+0x40/0x40
net_rx_action+0x71e/0xbc0
? __switch_to_asm+0x40/0x70
? napi_complete_done+0x360/0x360
? __switch_to_asm+0x34/0x70
? __switch_to_asm+0x40/0x70
? __schedule+0x85e/0x14d0
__do_softirq+0x1db/0x5f9
? takeover_tasklets+0x5f0/0x5f0
run_ksoftirqd+0x26/0x40
smpboot_thread_fn+0x443/0x680
? sort_range+0x20/0x20
? schedule+0x94/0x210
? __kthread_parkme+0x78/0xf0
? sort_range+0x20/0x20
kthread+0x2ae/0x3a0
? kthread_create_worker_on_cpu+0xc0/0xc0
ret_from_fork+0x35/0x40
The buggy address belongs to the page:
page:ffffea0001084c00 refcount:0 mapcount:-128 mapping:0000000000000000 index:0x0
flags: 0xffffc000000000()
raw: 00ffffc000000000 ffffea0000cfca08 ffffea0001098608 0000000000000000
raw: 0000000000000000 0000000000000003 00000000ffffff7f 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff888042130180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff888042130200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
> ffff888042130280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
^
ffff888042130300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff888042130380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
Disabling lock debugging due to kernel taint
Fixes: bc8c20acaea1 ("bridge: multicast: treat igmpv3 report with INCLUDE and no sources as a leave")
Reported-by: Martin Weinelt <martin@linuxlounge.net>
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Tested-by: Martin Weinelt <martin@linuxlounge.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 e858faf556d4e14c750ba1e8852783c6f9520a0e ]
If an app is playing tricks to reuse a socket via tcp_disconnect(),
bytes_acked/received needs to be reset to 0. Otherwise tcp_info will
report the sum of the current and the old connection..
Cc: Eric Dumazet <edumazet@google.com>
Fixes: 0df48c26d841 ("tcp: add tcpi_bytes_acked to tcp_info")
Fixes: bdd1f9edacb5 ("tcp: add tcpi_bytes_received to tcp_info")
Signed-off-by: Christoph Paasch <cpaasch@apple.com>
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 4638faac032756f7eab5524be7be56bee77e426b ]
sock_efree() releases the sock refcnt, if we don't hold this refcnt
when setting skb->destructor to it, the refcnt would not be balanced.
This leads to several bug reports from syzbot.
I have checked other users of sock_efree(), all of them hold the
sock refcnt.
Fixes: c8c8218ec5af ("netrom: fix a memory leak in nr_rx_frame()")
Reported-and-tested-by: <syzbot+622bdabb128acc33427d@syzkaller.appspotmail.com>
Reported-and-tested-by: <syzbot+6eaef7158b19e3fec3a0@syzkaller.appspotmail.com>
Reported-and-tested-by: <syzbot+9399c158fcc09b21d0d2@syzkaller.appspotmail.com>
Reported-and-tested-by: <syzbot+a34e5f3d0300163f0c87@syzkaller.appspotmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Cong Wang <xiyou.wangcong@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 c8c8218ec5af5d2598381883acbefbf604e56b5e ]
When the skb is associated with a new sock, just assigning
it to skb->sk is not sufficient, we have to set its destructor
to free the sock properly too.
Reported-by: syzbot+d6636a36d3c34bd88938@syzkaller.appspotmail.com
Signed-off-by: Cong Wang <xiyou.wangcong@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 dd006fc434e107ef90f7de0db9907cbc1c521645 ]
The frags_q is not properly initialized, it may result in illegal memory
access when conn_info is NULL.
The "goto free_exit" should be replaced by "goto exit".
Signed-off-by: Yang Wei <albin_yang@163.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 071c37983d99da07797294ea78e9da1a6e287144 ]
Neigh timer can be scheduled multiple times from userspace adding
multiple neigh entries and forcing the neigh timer scheduling passing
NTF_USE in the netlink requests.
This will result in a refcount leak and in the following dump stack:
[ 32.465295] NEIGH: BUG, double timer add, state is 8
[ 32.465308] CPU: 0 PID: 416 Comm: double_timer_ad Not tainted 5.2.0+ #65
[ 32.465311] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.12.0-2.fc30 04/01/2014
[ 32.465313] Call Trace:
[ 32.465318] dump_stack+0x7c/0xc0
[ 32.465323] __neigh_event_send+0x20c/0x880
[ 32.465326] ? ___neigh_create+0x846/0xfb0
[ 32.465329] ? neigh_lookup+0x2a9/0x410
[ 32.465332] ? neightbl_fill_info.constprop.0+0x800/0x800
[ 32.465334] neigh_add+0x4f8/0x5e0
[ 32.465337] ? neigh_xmit+0x620/0x620
[ 32.465341] ? find_held_lock+0x85/0xa0
[ 32.465345] rtnetlink_rcv_msg+0x204/0x570
[ 32.465348] ? rtnl_dellink+0x450/0x450
[ 32.465351] ? mark_held_locks+0x90/0x90
[ 32.465354] ? match_held_lock+0x1b/0x230
[ 32.465357] netlink_rcv_skb+0xc4/0x1d0
[ 32.465360] ? rtnl_dellink+0x450/0x450
[ 32.465363] ? netlink_ack+0x420/0x420
[ 32.465366] ? netlink_deliver_tap+0x115/0x560
[ 32.465369] ? __alloc_skb+0xc9/0x2f0
[ 32.465372] netlink_unicast+0x270/0x330
[ 32.465375] ? netlink_attachskb+0x2f0/0x2f0
[ 32.465378] netlink_sendmsg+0x34f/0x5a0
[ 32.465381] ? netlink_unicast+0x330/0x330
[ 32.465385] ? move_addr_to_kernel.part.0+0x20/0x20
[ 32.465388] ? netlink_unicast+0x330/0x330
[ 32.465391] sock_sendmsg+0x91/0xa0
[ 32.465394] ___sys_sendmsg+0x407/0x480
[ 32.465397] ? copy_msghdr_from_user+0x200/0x200
[ 32.465401] ? _raw_spin_unlock_irqrestore+0x37/0x40
[ 32.465404] ? lockdep_hardirqs_on+0x17d/0x250
[ 32.465407] ? __wake_up_common_lock+0xcb/0x110
[ 32.465410] ? __wake_up_common+0x230/0x230
[ 32.465413] ? netlink_bind+0x3e1/0x490
[ 32.465416] ? netlink_setsockopt+0x540/0x540
[ 32.465420] ? __fget_light+0x9c/0xf0
[ 32.465423] ? sockfd_lookup_light+0x8c/0xb0
[ 32.465426] __sys_sendmsg+0xa5/0x110
[ 32.465429] ? __ia32_sys_shutdown+0x30/0x30
[ 32.465432] ? __fd_install+0xe1/0x2c0
[ 32.465435] ? lockdep_hardirqs_off+0xb5/0x100
[ 32.465438] ? mark_held_locks+0x24/0x90
[ 32.465441] ? do_syscall_64+0xf/0x270
[ 32.465444] do_syscall_64+0x63/0x270
[ 32.465448] entry_SYSCALL_64_after_hwframe+0x49/0xbe
Fix the issue unscheduling neigh_timer if selected entry is in 'IN_TIMER'
receiving a netlink request with NTF_USE flag set
Reported-by: Marek Majkowski <marek@cloudflare.com>
Fixes: 0c5c2d308906 ("neigh: Allow for user space users of the neighbour table")
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 2e60546368165c2449564d71f6005dda9205b5fb ]
Avoid the situation where an IPV6 only flag is applied to an IPv4 address:
# ip addr add 192.0.2.1/24 dev dummy0 nodad home mngtmpaddr noprefixroute
# ip -4 addr show dev dummy0
2: dummy0: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
inet 192.0.2.1/24 scope global noprefixroute dummy0
valid_lft forever preferred_lft forever
Or worse, by sending a malicious netlink command:
# ip -4 addr show dev dummy0
2: dummy0: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
inet 192.0.2.1/24 scope global nodad optimistic dadfailed home tentative mngtmpaddr noprefixroute stable-privacy dummy0
valid_lft forever preferred_lft forever
Signed-off-by: Matteo Croce <mcroce@redhat.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit 1d87b88ba26eabd4745e158ecfd87c93a9b51dc2 upstream.
Microsoft Surface Precision Mouse provides bogus identity address when
pairing. It connects with Static Random address but provides Public
Address in SMP Identity Address Information PDU. Address has same
value but type is different. Workaround this by dropping IRK if ID
address discrepancy is detected.
> HCI Event: LE Meta Event (0x3e) plen 19
LE Connection Complete (0x01)
Status: Success (0x00)
Handle: 75
Role: Master (0x00)
Peer address type: Random (0x01)
Peer address: E0:52:33:93:3B:21 (Static)
Connection interval: 50.00 msec (0x0028)
Connection latency: 0 (0x0000)
Supervision timeout: 420 msec (0x002a)
Master clock accuracy: 0x00
....
> ACL Data RX: Handle 75 flags 0x02 dlen 12
SMP: Identity Address Information (0x09) len 7
Address type: Public (0x00)
Address: E0:52:33:93:3B:21
Signed-off-by: Szymon Janc <szymon.janc@codecoup.pl>
Tested-by: Maarten Fonville <maarten.fonville@gmail.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=199461
Cc: stable@vger.kernel.org
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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commit d4548543fc4ece56c6f04b8586f435fb4fd84c20 upstream.
KASAN report this:
BUG: unable to handle kernel paging request at ffffffffa0097000
PGD 3870067 P4D 3870067 PUD 3871063 PMD 2326e2067 PTE 0
Oops: 0000 [#1
CPU: 0 PID: 5340 Comm: modprobe Not tainted 5.1.0-rc7+ #25
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.9.3-0-ge2fc41e-prebuilt.qemu-project.org 04/01/2014
RIP: 0010:__list_add_valid+0x10/0x70
Code: c3 48 8b 06 55 48 89 e5 5d 48 39 07 0f 94 c0 0f b6 c0 c3 90 90 90 90 90 90 90 55 48 89 d0 48 8b 52 08 48 89 e5 48 39 f2 75 19 <48> 8b 32 48 39 f0 75 3a
RSP: 0018:ffffc90000e23c68 EFLAGS: 00010246
RAX: ffffffffa00ad000 RBX: ffffffffa009d000 RCX: 0000000000000000
RDX: ffffffffa0097000 RSI: ffffffffa0097000 RDI: ffffffffa009d000
RBP: ffffc90000e23c68 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffa0097000
R13: ffff888231797180 R14: 0000000000000000 R15: ffffc90000e23e78
FS: 00007fb215285540(0000) GS:ffff888237a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffa0097000 CR3: 000000022f144000 CR4: 00000000000006f0
Call Trace:
v9fs_register_trans+0x2f/0x60 [9pnet
? 0xffffffffa0087000
p9_virtio_init+0x25/0x1000 [9pnet_virtio
do_one_initcall+0x6c/0x3cc
? kmem_cache_alloc_trace+0x248/0x3b0
do_init_module+0x5b/0x1f1
load_module+0x1db1/0x2690
? m_show+0x1d0/0x1d0
__do_sys_finit_module+0xc5/0xd0
__x64_sys_finit_module+0x15/0x20
do_syscall_64+0x6b/0x1d0
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fb214d8e839
Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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
RSP: 002b:00007ffc96554278 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 000055e67eed2aa0 RCX: 00007fb214d8e839
RDX: 0000000000000000 RSI: 000055e67ce95c2e RDI: 0000000000000003
RBP: 000055e67ce95c2e R08: 0000000000000000 R09: 000055e67eed2aa0
R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000
R13: 000055e67eeda500 R14: 0000000000040000 R15: 000055e67eed2aa0
Modules linked in: 9pnet_virtio(+) 9pnet gre rfkill vmw_vsock_virtio_transport_common vsock [last unloaded: 9pnet_virtio
CR2: ffffffffa0097000
---[ end trace 4a52bb13ff07b761
If register_virtio_driver() fails in p9_virtio_init,
we should call v9fs_unregister_trans() to do cleanup.
Link: http://lkml.kernel.org/r/20190430115942.41840-1-yuehaibing@huawei.com
Cc: stable@vger.kernel.org
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: b530cc794024 ("9p: add virtio transport")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit c49a8682fc5d298d44e8d911f4fa14690ea9485e ]
Problem: The Linux Bluetooth stack yields complete control over the BLE
connection interval to the remote device.
The Linux Bluetooth stack provides access to the BLE connection interval
min and max values through /sys/kernel/debug/bluetooth/hci0/
conn_min_interval and /sys/kernel/debug/bluetooth/hci0/conn_max_interval.
These values are used for initial BLE connections, but the remote device
has the ability to request a connection parameter update. In the event
that the remote side requests to change the connection interval, the Linux
kernel currently only validates that the desired value is within the
acceptable range in the Bluetooth specification (6 - 3200, corresponding to
7.5ms - 4000ms). There is currently no validation that the desired value
requested by the remote device is within the min/max limits specified in
the conn_min_interval/conn_max_interval configurations. This essentially
leads to Linux yielding complete control over the connection interval to
the remote device.
The proposed patch adds a verification step to the connection parameter
update mechanism, ensuring that the desired value is within the min/max
bounds of the current connection. If the desired value is outside of the
current connection min/max values, then the connection parameter update
request is rejected and the negative response is returned to the remote
device. Recall that the initial connection is established using the local
conn_min_interval/conn_max_interval values, so this allows the Linux
administrator to retain control over the BLE connection interval.
The one downside that I see is that the current default Linux values for
conn_min_interval and conn_max_interval typically correspond to 30ms and
50ms respectively. If this change were accepted, then it is feasible that
some devices would no longer be able to negotiate to their desired
connection interval values. This might be remedied by setting the default
Linux conn_min_interval and conn_max_interval values to the widest
supported range (6 - 3200 / 7.5ms - 4000ms). This could lead to the same
behavior as the current implementation, where the remote device could
request to change the connection interval value to any value that is
permitted by the Bluetooth specification, and Linux would accept the
desired value.
Signed-off-by: Carey Sonsino <csonsino@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 28261da8a26f4915aa257d12d506c6ba179d961f ]
Because of both sides doing L2CAP disconnection at the same time, it
was possible to receive L2CAP Disconnection Response with CID that was
already freed. That caused problems if CID was already reused and L2CAP
Connection Request with same CID was sent out. Before this patch kernel
deleted channel context regardless of the state of the channel.
Example where leftover Disconnection Response (frame #402) causes local
device to delete L2CAP channel which was not yet connected. This in
turn confuses remote device's stack because same CID is re-used without
properly disconnecting.
Btmon capture before patch:
** snip **
> ACL Data RX: Handle 43 flags 0x02 dlen 8 #394 [hci1] 10.748949
Channel: 65 len 4 [PSM 3 mode 0] {chan 2}
RFCOMM: Disconnect (DISC) (0x43)
Address: 0x03 cr 1 dlci 0x00
Control: 0x53 poll/final 1
Length: 0
FCS: 0xfd
< ACL Data TX: Handle 43 flags 0x00 dlen 8 #395 [hci1] 10.749062
Channel: 65 len 4 [PSM 3 mode 0] {chan 2}
RFCOMM: Unnumbered Ack (UA) (0x63)
Address: 0x03 cr 1 dlci 0x00
Control: 0x73 poll/final 1
Length: 0
FCS: 0xd7
< ACL Data TX: Handle 43 flags 0x00 dlen 12 #396 [hci1] 10.749073
L2CAP: Disconnection Request (0x06) ident 17 len 4
Destination CID: 65
Source CID: 65
> HCI Event: Number of Completed Packets (0x13) plen 5 #397 [hci1] 10.752391
Num handles: 1
Handle: 43
Count: 1
> HCI Event: Number of Completed Packets (0x13) plen 5 #398 [hci1] 10.753394
Num handles: 1
Handle: 43
Count: 1
> ACL Data RX: Handle 43 flags 0x02 dlen 12 #399 [hci1] 10.756499
L2CAP: Disconnection Request (0x06) ident 26 len 4
Destination CID: 65
Source CID: 65
< ACL Data TX: Handle 43 flags 0x00 dlen 12 #400 [hci1] 10.756548
L2CAP: Disconnection Response (0x07) ident 26 len 4
Destination CID: 65
Source CID: 65
< ACL Data TX: Handle 43 flags 0x00 dlen 12 #401 [hci1] 10.757459
L2CAP: Connection Request (0x02) ident 18 len 4
PSM: 1 (0x0001)
Source CID: 65
> ACL Data RX: Handle 43 flags 0x02 dlen 12 #402 [hci1] 10.759148
L2CAP: Disconnection Response (0x07) ident 17 len 4
Destination CID: 65
Source CID: 65
= bluetoothd: 00:1E:AB:4C:56:54: error updating services: Input/o.. 10.759447
> HCI Event: Number of Completed Packets (0x13) plen 5 #403 [hci1] 10.759386
Num handles: 1
Handle: 43
Count: 1
> ACL Data RX: Handle 43 flags 0x02 dlen 12 #404 [hci1] 10.760397
L2CAP: Connection Request (0x02) ident 27 len 4
PSM: 3 (0x0003)
Source CID: 65
< ACL Data TX: Handle 43 flags 0x00 dlen 16 #405 [hci1] 10.760441
L2CAP: Connection Response (0x03) ident 27 len 8
Destination CID: 65
Source CID: 65
Result: Connection successful (0x0000)
Status: No further information available (0x0000)
< ACL Data TX: Handle 43 flags 0x00 dlen 27 #406 [hci1] 10.760449
L2CAP: Configure Request (0x04) ident 19 len 19
Destination CID: 65
Flags: 0x0000
Option: Maximum Transmission Unit (0x01) [mandatory]
MTU: 1013
Option: Retransmission and Flow Control (0x04) [mandatory]
Mode: Basic (0x00)
TX window size: 0
Max transmit: 0
Retransmission timeout: 0
Monitor timeout: 0
Maximum PDU size: 0
> HCI Event: Number of Completed Packets (0x13) plen 5 #407 [hci1] 10.761399
Num handles: 1
Handle: 43
Count: 1
> ACL Data RX: Handle 43 flags 0x02 dlen 16 #408 [hci1] 10.762942
L2CAP: Connection Response (0x03) ident 18 len 8
Destination CID: 66
Source CID: 65
Result: Connection successful (0x0000)
Status: No further information available (0x0000)
*snip*
Similar case after the patch:
*snip*
> ACL Data RX: Handle 43 flags 0x02 dlen 8 #22702 [hci0] 1664.411056
Channel: 65 len 4 [PSM 3 mode 0] {chan 3}
RFCOMM: Disconnect (DISC) (0x43)
Address: 0x03 cr 1 dlci 0x00
Control: 0x53 poll/final 1
Length: 0
FCS: 0xfd
< ACL Data TX: Handle 43 flags 0x00 dlen 8 #22703 [hci0] 1664.411136
Channel: 65 len 4 [PSM 3 mode 0] {chan 3}
RFCOMM: Unnumbered Ack (UA) (0x63)
Address: 0x03 cr 1 dlci 0x00
Control: 0x73 poll/final 1
Length: 0
FCS: 0xd7
< ACL Data TX: Handle 43 flags 0x00 dlen 12 #22704 [hci0] 1664.411143
L2CAP: Disconnection Request (0x06) ident 11 len 4
Destination CID: 65
Source CID: 65
> HCI Event: Number of Completed Pac.. (0x13) plen 5 #22705 [hci0] 1664.414009
Num handles: 1
Handle: 43
Count: 1
> HCI Event: Number of Completed Pac.. (0x13) plen 5 #22706 [hci0] 1664.415007
Num handles: 1
Handle: 43
Count: 1
> ACL Data RX: Handle 43 flags 0x02 dlen 12 #22707 [hci0] 1664.418674
L2CAP: Disconnection Request (0x06) ident 17 len 4
Destination CID: 65
Source CID: 65
< ACL Data TX: Handle 43 flags 0x00 dlen 12 #22708 [hci0] 1664.418762
L2CAP: Disconnection Response (0x07) ident 17 len 4
Destination CID: 65
Source CID: 65
< ACL Data TX: Handle 43 flags 0x00 dlen 12 #22709 [hci0] 1664.421073
L2CAP: Connection Request (0x02) ident 12 len 4
PSM: 1 (0x0001)
Source CID: 65
> ACL Data RX: Handle 43 flags 0x02 dlen 12 #22710 [hci0] 1664.421371
L2CAP: Disconnection Response (0x07) ident 11 len 4
Destination CID: 65
Source CID: 65
> HCI Event: Number of Completed Pac.. (0x13) plen 5 #22711 [hci0] 1664.424082
Num handles: 1
Handle: 43
Count: 1
> HCI Event: Number of Completed Pac.. (0x13) plen 5 #22712 [hci0] 1664.425040
Num handles: 1
Handle: 43
Count: 1
> ACL Data RX: Handle 43 flags 0x02 dlen 12 #22713 [hci0] 1664.426103
L2CAP: Connection Request (0x02) ident 18 len 4
PSM: 3 (0x0003)
Source CID: 65
< ACL Data TX: Handle 43 flags 0x00 dlen 16 #22714 [hci0] 1664.426186
L2CAP: Connection Response (0x03) ident 18 len 8
Destination CID: 66
Source CID: 65
Result: Connection successful (0x0000)
Status: No further information available (0x0000)
< ACL Data TX: Handle 43 flags 0x00 dlen 27 #22715 [hci0] 1664.426196
L2CAP: Configure Request (0x04) ident 13 len 19
Destination CID: 65
Flags: 0x0000
Option: Maximum Transmission Unit (0x01) [mandatory]
MTU: 1013
Option: Retransmission and Flow Control (0x04) [mandatory]
Mode: Basic (0x00)
TX window size: 0
Max transmit: 0
Retransmission timeout: 0
Monitor timeout: 0
Maximum PDU size: 0
> ACL Data RX: Handle 43 flags 0x02 dlen 16 #22716 [hci0] 1664.428804
L2CAP: Connection Response (0x03) ident 12 len 8
Destination CID: 66
Source CID: 65
Result: Connection successful (0x0000)
Status: No further information available (0x0000)
*snip*
Fix is to check that channel is in state BT_DISCONN before deleting the
channel.
This bug was found while fuzzing Bluez's OBEX implementation using
Synopsys Defensics.
Reported-by: Matti Kamunen <matti.kamunen@synopsys.com>
Reported-by: Ari Timonen <ari.timonen@synopsys.com>
Signed-off-by: Matias Karhumaa <matias.karhumaa@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit b188b03270b7f8568fc714101ce82fbf5e811c5a ]
Handle overlooked case where the target address is assigned to a peer
and neither route nor gateway exist.
For one peer, no checks are performed to see if it is meant to receive
packets for a given address.
As soon as there is a second peer however, checks are performed
to deal with routes and gateways for handling complex setups with
multiple hops to a target address.
This logic assumed that no route and no gateway imply that the
destination address can not be reached, which is false in case of a
direct peer.
Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Tested-by: Michael Scott <mike@foundries.io>
Signed-off-by: Josua Mayer <josua.mayer@jm0.eu>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit b8d6d0079757cbd1b69724cfd1c08e2171c68cee ]
After commit b38ff4075a80, the following command does not work anymore:
$ ip xfrm state add src 10.125.0.2 dst 10.125.0.1 proto esp spi 34 reqid 1 \
mode tunnel enc 'cbc(aes)' 0xb0abdba8b782ad9d364ec81e3a7d82a1 auth-trunc \
'hmac(sha1)' 0xe26609ebd00acb6a4d51fca13e49ea78a72c73e6 96 flag align4
In fact, the selector is not mandatory, allow the user to provide an empty
selector.
Fixes: b38ff4075a80 ("xfrm: Fix xfrm sel prefix length validation")
CC: Anirudh Gupta <anirudh.gupta@sophos.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit b38ff4075a80b4da5cb2202d7965332ca0efb213 ]
Family of src/dst can be different from family of selector src/dst.
Use xfrm selector family to validate address prefix length,
while verifying new sa from userspace.
Validated patch with this command:
ip xfrm state add src 1.1.6.1 dst 1.1.6.2 proto esp spi 4260196 \
reqid 20004 mode tunnel aead "rfc4106(gcm(aes))" \
0x1111016400000000000000000000000044440001 128 \
sel src 1011:1:4::2/128 sel dst 1021:1:4::2/128 dev Port5
Fixes: 07bf7908950a ("xfrm: Validate address prefix lengths in the xfrm selector.")
Signed-off-by: Anirudh Gupta <anirudh.gupta@sophos.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 7c80eb1c7e2b8420477fbc998971d62a648035d9 ]
In both functions, if pfkey_xfrm_policy2msg failed we leaked the newly
allocated sk_buff. Free it on error.
Fixes: 55569ce256ce ("Fix conversion between IPSEC_MODE_xxx and XFRM_MODE_xxx.")
Reported-by: syzbot+4f0529365f7f2208d9f0@syzkaller.appspotmail.com
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 17f78dd1bd624a4dd78ed5db3284a63ee807fcc3 ]
A handler for BATADV_TVLV_ROAM was being registered when the
translation-table was initialized, but not unregistered when the
translation-table was freed. Unregister it.
Fixes: 122edaa05940 ("batman-adv: tvlv - convert roaming adv packet to use tvlv unicast packets")
Reported-by: syzbot+d454a826e670502484b8@syzkaller.appspotmail.com
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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This hack is needed to run 32-bit userspace on 64-bit kernel.
Bug: 138147164
Test: kernel_net_tests
Signed-off-by: Tri Vo <trong@google.com>
Change-Id: I083d32b45ca985cfadfe3ce57d253b63202befde
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* refs/heads/tmp-aeb051d
Linux 4.4.186
KVM: x86: protect KVM_CREATE_PIT/KVM_CREATE_PIT2 with kvm->lock
s390/qdio: don't touch the dsci in tiqdio_add_input_queues()
s390/qdio: (re-)initialize tiqdio list entries
s390: fix stfle zero padding
ARC: hide unused function unw_hdr_alloc
kvm: x86: avoid warning on repeated KVM_SET_TSS_ADDR
dm verity: use message limit for data block corruption message
sis900: fix TX completion
ppp: mppe: Add softdep to arc4
be2net: fix link failure after ethtool offline test
ARM: omap2: remove incorrect __init annotation
perf/core: Fix perf_sample_regs_user() mm check
e1000e: start network tx queue only when link is up
MIPS: Remove superfluous check for __linux__
VMCI: Fix integer overflow in VMCI handle arrays
carl9170: fix misuse of device driver API
staging: comedi: amplc_pci230: fix null pointer deref on interrupt
staging: comedi: dt282x: fix a null pointer deref on interrupt
usb: renesas_usbhs: add a workaround for a race condition of workqueue
usb: gadget: ether: Fix race between gether_disconnect and rx_submit
USB: serial: option: add support for GosunCn ME3630 RNDIS mode
USB: serial: ftdi_sio: add ID for isodebug v1
mwifiex: Don't abort on small, spec-compliant vendor IEs
fscrypt: don't set policy for a dead directory
mwifiex: Fix heap overflow in mwifiex_uap_parse_tail_ies()
mwifiex: Abort at too short BSS descriptor element
x86/tls: Fix possible spectre-v1 in do_get_thread_area()
x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()
udf: Fix incorrect final NOT_ALLOCATED (hole) extent length
bnx2x: Check if transceiver implements DDM before access
md: fix for divide error in status_resync
ARM: davinci: da8xx: specify dma_coherent_mask for lcdc
ARM: davinci: da850-evm: call regulator_has_full_constraints()
Input: imx_keypad - make sure keyboard can always wake up system
can: mcp251x: add support for mcp25625
dt-bindings: can: mcp251x: add mcp25625 support
mwifiex: Fix possible buffer overflows at parsing bss descriptor
mac80211: mesh: fix RCU warning
samples, bpf: fix to change the buffer size for read()
Input: elantech - enable middle button support on 2 ThinkPads
ANDROID: overlayfs ovl_create_of_link regression
Change-Id: I42190d7fc7de3f2287199a9f69bc42bcf3596ec7
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.186
Input: elantech - enable middle button support on 2 ThinkPads
samples, bpf: fix to change the buffer size for read()
mac80211: mesh: fix RCU warning
mwifiex: Fix possible buffer overflows at parsing bss descriptor
dt-bindings: can: mcp251x: add mcp25625 support
can: mcp251x: add support for mcp25625
Input: imx_keypad - make sure keyboard can always wake up system
ARM: davinci: da850-evm: call regulator_has_full_constraints()
ARM: davinci: da8xx: specify dma_coherent_mask for lcdc
md: fix for divide error in status_resync
bnx2x: Check if transceiver implements DDM before access
udf: Fix incorrect final NOT_ALLOCATED (hole) extent length
x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()
x86/tls: Fix possible spectre-v1 in do_get_thread_area()
mwifiex: Abort at too short BSS descriptor element
mwifiex: Fix heap overflow in mwifiex_uap_parse_tail_ies()
fscrypt: don't set policy for a dead directory
mwifiex: Don't abort on small, spec-compliant vendor IEs
USB: serial: ftdi_sio: add ID for isodebug v1
USB: serial: option: add support for GosunCn ME3630 RNDIS mode
usb: gadget: ether: Fix race between gether_disconnect and rx_submit
usb: renesas_usbhs: add a workaround for a race condition of workqueue
staging: comedi: dt282x: fix a null pointer deref on interrupt
staging: comedi: amplc_pci230: fix null pointer deref on interrupt
carl9170: fix misuse of device driver API
VMCI: Fix integer overflow in VMCI handle arrays
MIPS: Remove superfluous check for __linux__
e1000e: start network tx queue only when link is up
perf/core: Fix perf_sample_regs_user() mm check
ARM: omap2: remove incorrect __init annotation
be2net: fix link failure after ethtool offline test
ppp: mppe: Add softdep to arc4
sis900: fix TX completion
dm verity: use message limit for data block corruption message
kvm: x86: avoid warning on repeated KVM_SET_TSS_ADDR
ARC: hide unused function unw_hdr_alloc
s390: fix stfle zero padding
s390/qdio: (re-)initialize tiqdio list entries
s390/qdio: don't touch the dsci in tiqdio_add_input_queues()
KVM: x86: protect KVM_CREATE_PIT/KVM_CREATE_PIT2 with kvm->lock
Linux 4.4.186
Change-Id: Ie2eb68e394f94310d144fdba04d7ebfb3cb63cb7
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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[ Upstream commit 551842446ed695641a00782cd118cbb064a416a1 ]
ifmsh->csa is an RCU-protected pointer. The writer context
in ieee80211_mesh_finish_csa() is already mutually
exclusive with wdev->sdata.mtx, but the RCU checker did
not know this. Use rcu_dereference_protected() to avoid a
warning.
fixes the following warning:
[ 12.519089] =============================
[ 12.520042] WARNING: suspicious RCU usage
[ 12.520652] 5.1.0-rc7-wt+ #16 Tainted: G W
[ 12.521409] -----------------------------
[ 12.521972] net/mac80211/mesh.c:1223 suspicious rcu_dereference_check() usage!
[ 12.522928] other info that might help us debug this:
[ 12.523984] rcu_scheduler_active = 2, debug_locks = 1
[ 12.524855] 5 locks held by kworker/u8:2/152:
[ 12.525438] #0: 00000000057be08c ((wq_completion)phy0){+.+.}, at: process_one_work+0x1a2/0x620
[ 12.526607] #1: 0000000059c6b07a ((work_completion)(&sdata->csa_finalize_work)){+.+.}, at: process_one_work+0x1a2/0x620
[ 12.528001] #2: 00000000f184ba7d (&wdev->mtx){+.+.}, at: ieee80211_csa_finalize_work+0x2f/0x90
[ 12.529116] #3: 00000000831a1f54 (&local->mtx){+.+.}, at: ieee80211_csa_finalize_work+0x47/0x90
[ 12.530233] #4: 00000000fd06f988 (&local->chanctx_mtx){+.+.}, at: ieee80211_csa_finalize_work+0x51/0x90
Signed-off-by: Thomas Pedersen <thomas@eero.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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* refs/heads/tmp-14e1196
ANDROID: Communicates LMK events to userland where they can be logged
Linux 4.4.185
dmaengine: imx-sdma: remove BD_INTR for channel0
KVM: x86: degrade WARN to pr_warn_ratelimited
arm64, vdso: Define vdso_{start,end} as array
ARC: handle gcc generated __builtin_trap for older compiler
tty: rocket: fix incorrect forward declaration of 'rp_init()'
btrfs: Ensure replaced device doesn't have pending chunk allocation
lib/mpi: Fix karactx leak in mpi_powm
ALSA: usb-audio: fix sign unintended sign extension on left shifts
ALSA: firewire-lib/fireworks: fix miss detection of received MIDI messages
ALSA: seq: fix incorrect order of dest_client/dest_ports arguments
crypto: user - prevent operating on larval algorithms
ptrace: Fix ->ptracer_cred handling for PTRACE_TRACEME
MIPS: Workaround GCC __builtin_unreachable reordering bug
bug.h: work around GCC PR82365 in BUG()
swiotlb: Make linux/swiotlb.h standalone includible
mfd: omap-usb-tll: Fix register offsets
MIPS: math-emu: do not use bools for arithmetic
ARC: fix build warning in elf.h
ARC: Assume multiplier is always present
scsi: hpsa: correct ioaccel2 chaining
usb: gadget: udc: lpc32xx: allocate descriptor with GFP_ATOMIC
usb: gadget: fusb300_udc: Fix memory leak of fusb300->ep[i]
ASoC: max98090: remove 24-bit format support if RJ is 0
spi: bitbang: Fix NULL pointer dereference in spi_unregister_master
ASoC : cs4265 : readable register too low
um: Compile with modern headers
Bluetooth: Fix faulty expression for minimum encryption key size check
net: check before dereferencing netdev_ops during busy poll
bonding: Always enable vlan tx offload
ipv4: Use return value of inet_iif() for __raw_v4_lookup in the while loop
team: Always enable vlan tx offload
tipc: check msg->req data len in tipc_nl_compat_bearer_disable
tipc: change to use register_pernet_device
sctp: change to hold sk after auth shkey is created successfully
cpu/speculation: Warn on unsupported mitigations= parameter
x86/speculation: Allow guests to use SSBD even if host does not
ovl: modify ovl_permission() to do checks on two inodes
KVM: X86: Fix scan ioapic use-before-initialization
net/9p: include trans_common.h to fix missing prototype warning.
9p: p9dirent_read: check network-provided name length
9p/rdma: remove useless check in cm_event_handler
9p: acl: fix uninitialized iattr access
9p/rdma: do not disconnect on down_interruptible EAGAIN
perf help: Remove needless use of strncpy()
perf ui helpline: Use strlcpy() as a shorter form of strncpy() + explicit set nul
mac80211: drop robust management frames from unknown TA
cfg80211: fix memory leak of wiphy device name
SMB3: retry on STATUS_INSUFFICIENT_RESOURCES instead of failing write
Bluetooth: Fix regression with minimum encryption key size alignment
Bluetooth: Align minimum encryption key size for LE and BR/EDR connections
ARM: imx: cpuidle-imx6sx: Restrict the SW2ISO increase to i.MX6SX
can: purge socket error queue on sock destruct
can: flexcan: fix timeout when set small bitrate
btrfs: start readahead also in seed devices
Btrfs: fix race between readahead and device replace/removal
hwmon: (pmbus/core) Treat parameters as paged if on multiple pages
s390/qeth: fix VLAN attribute in bridge_hostnotify udev event
scsi: ufs: Check that space was properly alloced in copy_query_response
scripts/checkstack.pl: Fix arm64 wrong or unknown architecture
sparc: perf: fix updated event period in response to PERF_EVENT_IOC_PERIOD
net: hns: Fix loopback test failed at copper ports
MIPS: uprobes: remove set but not used variable 'epc'
IB/hfi1: Insure freeze_work work_struct is canceled on shutdown
parisc: Fix compiler warnings in float emulation code
parport: Fix mem leak in parport_register_dev_model
apparmor: enforce nullbyte at end of tag string
Input: uinput - add compat ioctl number translation for UI_*_FF_UPLOAD
usb: chipidea: udc: workaround for endpoint conflict issue
gcc-9: silence 'address-of-packed-member' warning
tracing: Silence GCC 9 array bounds warning
scsi: vmw_pscsi: Fix use-after-free in pvscsi_queue_lck()
mm/page_idle.c: fix oops because end_pfn is larger than max_pfn
fs/binfmt_flat.c: make load_flat_shared_library() work
ANDROID: Fixes to locking around handle_lmk_event
ANDROID: Avoid taking multiple locks in handle_lmk_event
Side effects from the commit "ANDROID: Communicates LMK events to userland
where they can be logged" is addressed here, so picking this commit which
ignored from 4.4.180 merge.
Conflicts:
drivers/staging/android/lowmemorykiller.c
Change-Id: I1156dc21d0f35e74e86d2ad202f99b7bc173b874
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
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Changes in 4.4.185
fs/binfmt_flat.c: make load_flat_shared_library() work
mm/page_idle.c: fix oops because end_pfn is larger than max_pfn
scsi: vmw_pscsi: Fix use-after-free in pvscsi_queue_lck()
tracing: Silence GCC 9 array bounds warning
gcc-9: silence 'address-of-packed-member' warning
usb: chipidea: udc: workaround for endpoint conflict issue
Input: uinput - add compat ioctl number translation for UI_*_FF_UPLOAD
apparmor: enforce nullbyte at end of tag string
parport: Fix mem leak in parport_register_dev_model
parisc: Fix compiler warnings in float emulation code
IB/hfi1: Insure freeze_work work_struct is canceled on shutdown
MIPS: uprobes: remove set but not used variable 'epc'
net: hns: Fix loopback test failed at copper ports
sparc: perf: fix updated event period in response to PERF_EVENT_IOC_PERIOD
scripts/checkstack.pl: Fix arm64 wrong or unknown architecture
scsi: ufs: Check that space was properly alloced in copy_query_response
s390/qeth: fix VLAN attribute in bridge_hostnotify udev event
hwmon: (pmbus/core) Treat parameters as paged if on multiple pages
Btrfs: fix race between readahead and device replace/removal
btrfs: start readahead also in seed devices
can: flexcan: fix timeout when set small bitrate
can: purge socket error queue on sock destruct
ARM: imx: cpuidle-imx6sx: Restrict the SW2ISO increase to i.MX6SX
Bluetooth: Align minimum encryption key size for LE and BR/EDR connections
Bluetooth: Fix regression with minimum encryption key size alignment
SMB3: retry on STATUS_INSUFFICIENT_RESOURCES instead of failing write
cfg80211: fix memory leak of wiphy device name
mac80211: drop robust management frames from unknown TA
perf ui helpline: Use strlcpy() as a shorter form of strncpy() + explicit set nul
perf help: Remove needless use of strncpy()
9p/rdma: do not disconnect on down_interruptible EAGAIN
9p: acl: fix uninitialized iattr access
9p/rdma: remove useless check in cm_event_handler
9p: p9dirent_read: check network-provided name length
net/9p: include trans_common.h to fix missing prototype warning.
KVM: X86: Fix scan ioapic use-before-initialization
ovl: modify ovl_permission() to do checks on two inodes
x86/speculation: Allow guests to use SSBD even if host does not
cpu/speculation: Warn on unsupported mitigations= parameter
sctp: change to hold sk after auth shkey is created successfully
tipc: change to use register_pernet_device
tipc: check msg->req data len in tipc_nl_compat_bearer_disable
team: Always enable vlan tx offload
ipv4: Use return value of inet_iif() for __raw_v4_lookup in the while loop
bonding: Always enable vlan tx offload
net: check before dereferencing netdev_ops during busy poll
Bluetooth: Fix faulty expression for minimum encryption key size check
um: Compile with modern headers
ASoC : cs4265 : readable register too low
spi: bitbang: Fix NULL pointer dereference in spi_unregister_master
ASoC: max98090: remove 24-bit format support if RJ is 0
usb: gadget: fusb300_udc: Fix memory leak of fusb300->ep[i]
usb: gadget: udc: lpc32xx: allocate descriptor with GFP_ATOMIC
scsi: hpsa: correct ioaccel2 chaining
ARC: Assume multiplier is always present
ARC: fix build warning in elf.h
MIPS: math-emu: do not use bools for arithmetic
mfd: omap-usb-tll: Fix register offsets
swiotlb: Make linux/swiotlb.h standalone includible
bug.h: work around GCC PR82365 in BUG()
MIPS: Workaround GCC __builtin_unreachable reordering bug
ptrace: Fix ->ptracer_cred handling for PTRACE_TRACEME
crypto: user - prevent operating on larval algorithms
ALSA: seq: fix incorrect order of dest_client/dest_ports arguments
ALSA: firewire-lib/fireworks: fix miss detection of received MIDI messages
ALSA: usb-audio: fix sign unintended sign extension on left shifts
lib/mpi: Fix karactx leak in mpi_powm
btrfs: Ensure replaced device doesn't have pending chunk allocation
tty: rocket: fix incorrect forward declaration of 'rp_init()'
ARC: handle gcc generated __builtin_trap for older compiler
arm64, vdso: Define vdso_{start,end} as array
KVM: x86: degrade WARN to pr_warn_ratelimited
dmaengine: imx-sdma: remove BD_INTR for channel0
Linux 4.4.185
Change-Id: I222f9f81b9d7fba3cd3ac028b473b1ea2fae7cf0
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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commit eca94432934fe5f141d084f2e36ee2c0e614cc04 upstream.
Fix minimum encryption key size check so that HCI_MIN_ENC_KEY_SIZE is
also allowed as stated in the comment.
This bug caused connection problems with devices having maximum
encryption key size of 7 octets (56-bit).
Fixes: 693cd8ce3f88 ("Bluetooth: Fix regression with minimum encryption key size alignment")
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=203997
Signed-off-by: Matias Karhumaa <matias.karhumaa@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 38c73529de13e1e10914de7030b659a2f8b01c3b ]
In commit 19e4e768064a8 ("ipv4: Fix raw socket lookup for local
traffic"), the dif argument to __raw_v4_lookup() is coming from the
returned value of inet_iif() but the change was done only for the first
lookup. Subsequent lookups in the while loop still use skb->dev->ifIndex.
Fixes: 19e4e768064a8 ("ipv4: Fix raw socket lookup for local traffic")
Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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[ Upstream commit 4f07b80c973348a99b5d2a32476a2e7877e94a05 ]
This patch is to fix an uninit-value issue, reported by syzbot:
BUG: KMSAN: uninit-value in memchr+0xce/0x110 lib/string.c:981
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x191/0x1f0 lib/dump_stack.c:113
kmsan_report+0x130/0x2a0 mm/kmsan/kmsan.c:622
__msan_warning+0x75/0xe0 mm/kmsan/kmsan_instr.c:310
memchr+0xce/0x110 lib/string.c:981
string_is_valid net/tipc/netlink_compat.c:176 [inline]
tipc_nl_compat_bearer_disable+0x2a1/0x480 net/tipc/netlink_compat.c:449
__tipc_nl_compat_doit net/tipc/netlink_compat.c:327 [inline]
tipc_nl_compat_doit+0x3ac/0xb00 net/tipc/netlink_compat.c:360
tipc_nl_compat_handle net/tipc/netlink_compat.c:1178 [inline]
tipc_nl_compat_recv+0x1b1b/0x27b0 net/tipc/netlink_compat.c:1281
TLV_GET_DATA_LEN() may return a negtive int value, which will be
used as size_t (becoming a big unsigned long) passed into memchr,
cause this issue.
Similar to what it does in tipc_nl_compat_bearer_enable(), this
fix is to return -EINVAL when TLV_GET_DATA_LEN() is negtive in
tipc_nl_compat_bearer_disable(), as well as in
tipc_nl_compat_link_stat_dump() and tipc_nl_compat_link_reset_stats().
v1->v2:
- add the missing Fixes tags per Eric's request.
Fixes: 0762216c0ad2 ("tipc: fix uninit-value in tipc_nl_compat_bearer_enable")
Fixes: 8b66fee7f8ee ("tipc: fix uninit-value in tipc_nl_compat_link_reset_stats")
Reported-by: syzbot+30eaa8bf392f7fafffaf@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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[ Upstream commit c492d4c74dd3f87559883ffa0f94a8f1ae3fe5f5 ]
This patch is to fix a dst defcnt leak, which can be reproduced by doing:
# ip net a c; ip net a s; modprobe tipc
# ip net e s ip l a n eth1 type veth peer n eth1 netns c
# ip net e c ip l s lo up; ip net e c ip l s eth1 up
# ip net e s ip l s lo up; ip net e s ip l s eth1 up
# ip net e c ip a a 1.1.1.2/8 dev eth1
# ip net e s ip a a 1.1.1.1/8 dev eth1
# ip net e c tipc b e m udp n u1 localip 1.1.1.2
# ip net e s tipc b e m udp n u1 localip 1.1.1.1
# ip net d c; ip net d s; rmmod tipc
and it will get stuck and keep logging the error:
unregister_netdevice: waiting for lo to become free. Usage count = 1
The cause is that a dst is held by the udp sock's sk_rx_dst set on udp rx
path with udp_early_demux == 1, and this dst (eventually holding lo dev)
can't be released as bearer's removal in tipc pernet .exit happens after
lo dev's removal, default_device pernet .exit.
"There are two distinct types of pernet_operations recognized: subsys and
device. At creation all subsys init functions are called before device
init functions, and at destruction all device exit functions are called
before subsys exit function."
So by calling register_pernet_device instead to register tipc_net_ops, the
pernet .exit() will be invoked earlier than loopback dev's removal when a
netns is being destroyed, as fou/gue does.
Note that vxlan and geneve udp tunnels don't have this issue, as the udp
sock is released in their device ndo_stop().
This fix is also necessary for tipc dst_cache, which will hold dsts on tx
path and I will introduce in my next patch.
Reported-by: Li Shuang <shuali@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.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 25bff6d5478b2a02368097015b7d8eb727c87e16 ]
Now in sctp_endpoint_init(), it holds the sk then creates auth
shkey. But when the creation fails, it doesn't release the sk,
which causes a sk defcnf leak,
Here to fix it by only holding the sk when auth shkey is created
successfully.
Fixes: a29a5bd4f5c3 ("[SCTP]: Implement SCTP-AUTH initializations.")
Reported-by: syzbot+afabda3890cc2f765041@syzkaller.appspotmail.com
Reported-by: syzbot+276ca1c77a19977c0130@syzkaller.appspotmail.com
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@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 52ad259eaac0454c1ac7123e7148cf8d6e6f5301 ]
This silences -Wmissing-prototypes when defining p9_release_pages.
Link: http://lkml.kernel.org/r/b1c4df8f21689b10d451c28fe38e860722d20e71.1542089696.git.dato@net.com.org.es
Signed-off-by: Adeodato Simó <dato@net.com.org.es>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit ef5305f1f72eb1cfcda25c382bb0368509c0385b ]
strcpy to dirent->d_name could overflow the buffer, use strscpy to check
the provided string length and error out if the size was too big.
While we are here, make the function return an error when the pdu
parsing failed, instead of returning the pdu offset as if it had been a
success...
Link: http://lkml.kernel.org/r/1536339057-21974-4-git-send-email-asmadeus@codewreck.org
Addresses-Coverity-ID: 139133 ("Copy into fixed size buffer")
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 473c7dd1d7b59ff8f88a5154737e3eac78a96e5b ]
the client c is always dereferenced to get the rdma struct, so c has to
be a valid pointer at this point.
Gcc would optimize that away but let's make coverity happy...
Link: http://lkml.kernel.org/r/1536339057-21974-3-git-send-email-asmadeus@codewreck.org
Addresses-Coverity-ID: 102778 ("Dereference before null check")
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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[ Upstream commit 8b894adb2b7e1d1e64b8954569c761eaf3d51ab5 ]
9p/rdma would sometimes drop the connection and display errors in
recv_done when the user does ^C.
The errors were caused by recv buffers that were posted at the time
of disconnect, and we just do not want to disconnect when
down_interruptible is... interrupted.
Link: http://lkml.kernel.org/r/1535625307-18019-1-git-send-email-asmadeus@codewreck.org
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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commit 588f7d39b3592a36fb7702ae3b8bdd9be4621e2f upstream.
When receiving a robust management frame, drop it if we don't have
rx->sta since then we don't have a security association and thus
couldn't possibly validate the frame.
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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