possible deadlock in strp_sock_lock

[syzbot]

Hello,

syzbot found the following crash on:

HEAD commit: 10d6aa56 Linux 4.14.135
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1742a48a600000
kernel config: https://syzkaller.appspot.com/x/.config?x=ff4089e901d1d013
dashboard link: https://syzkaller.appspot.com/bug?extid=5384e4fa4aa4361bfcc4
compiler: gcc (GCC) 9.0.0 20181231 (experimental)

Unfortunately, I don't have any reproducer for this crash yet.

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+5384e4...@syzkaller.appspotmail.com

audit: type=1400 audit(1564608398.195:113): avc: denied { map } for
pid=5401 comm="syz-executor.3" path=2F6D656D66643A202864656C6574656429
dev="tmpfs" ino=141738
scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023
tcontext=unconfined_u:object_r:tmpfs_t:s0 tclass=file permissive=1
======================================================
WARNING: possible circular locking dependency detected
4.14.135 #31 Not tainted
------------------------------------------------------
kworker/u4:5/7049 is trying to acquire lock:
(sk_lock-AF_INET){+.+.}, at: [<ffffffff85996e2e>] lock_sock
include/net/sock.h:1462 [inline]
(sk_lock-AF_INET){+.+.}, at: [<ffffffff85996e2e>] strp_sock_lock+0x2e/0x40
net/strparser/strparser.c:451

but task is already holding lock:
((&strp->work)){+.+.}, at: [<ffffffff813cd5db>]
process_one_work+0x7ab/0x1600 kernel/workqueue.c:2089

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 ((&strp->work)){+.+.}:
lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991
flush_work+0xae/0x730 kernel/workqueue.c:2881
__cancel_work_timer+0x2f0/0x480 kernel/workqueue.c:2956
cancel_work_sync+0x18/0x20 kernel/workqueue.c:2992
strp_done+0x58/0xe0 net/strparser/strparser.c:519
kcm_attach net/kcm/kcmsock.c:1429 [inline]
kcm_attach_ioctl net/kcm/kcmsock.c:1490 [inline]
kcm_ioctl+0x8d9/0x1120 net/kcm/kcmsock.c:1701
sock_do_ioctl+0x64/0xb0 net/socket.c:974
sock_ioctl+0x2a6/0x470 net/socket.c:1071
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7

-> #0 (sk_lock-AF_INET){+.+.}:
check_prev_add kernel/locking/lockdep.c:1901 [inline]
check_prevs_add kernel/locking/lockdep.c:2018 [inline]
validate_chain kernel/locking/lockdep.c:2460 [inline]
__lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487
lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991
lock_sock_nested+0xbd/0x110 net/core/sock.c:2765
lock_sock include/net/sock.h:1462 [inline]
strp_sock_lock+0x2e/0x40 net/strparser/strparser.c:451
do_strp_work net/strparser/strparser.c:415 [inline]
strp_work+0x43/0x100 net/strparser/strparser.c:434
process_one_work+0x863/0x1600 kernel/workqueue.c:2114
worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248
kthread+0x319/0x430 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404

other info that might help us debug this:

Possible unsafe locking scenario:

CPU0 CPU1
---- ----
lock((&strp->work));
lock(sk_lock-AF_INET);
lock((&strp->work));
lock(sk_lock-AF_INET);

*** DEADLOCK ***

2 locks held by kworker/u4:5/7049:
#0: ("%s""kstrp"){+.+.}, at: [<ffffffff813cd59e>] work_static
include/linux/workqueue.h:199 [inline]
#0: ("%s""kstrp"){+.+.}, at: [<ffffffff813cd59e>] set_work_data
kernel/workqueue.c:619 [inline]
#0: ("%s""kstrp"){+.+.}, at: [<ffffffff813cd59e>]
set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline]
#0: ("%s""kstrp"){+.+.}, at: [<ffffffff813cd59e>]
process_one_work+0x76e/0x1600 kernel/workqueue.c:2085
#1: ((&strp->work)){+.+.}, at: [<ffffffff813cd5db>]
process_one_work+0x7ab/0x1600 kernel/workqueue.c:2089

stack backtrace:
CPU: 1 PID: 7049 Comm: kworker/u4:5 Not tainted 4.14.135 #31
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Workqueue: kstrp strp_work
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x138/0x19c lib/dump_stack.c:53
print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258
check_prev_add kernel/locking/lockdep.c:1901 [inline]
check_prevs_add kernel/locking/lockdep.c:2018 [inline]
validate_chain kernel/locking/lockdep.c:2460 [inline]
__lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487
lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991
lock_sock_nested+0xbd/0x110 net/core/sock.c:2765
lock_sock include/net/sock.h:1462 [inline]
strp_sock_lock+0x2e/0x40 net/strparser/strparser.c:451
do_strp_work net/strparser/strparser.c:415 [inline]
strp_work+0x43/0x100 net/strparser/strparser.c:434
process_one_work+0x863/0x1600 kernel/workqueue.c:2114
worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248
kthread+0x319/0x430 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
kobject: 'loop5' (ffff8880a4b19320): kobject_uevent_env
kobject: 'loop5' (ffff8880a4b19320): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'ip6tnl0' (ffff88804b472e70): kobject_cleanup, parent
(null)
kobject: 'ip6tnl0' (ffff88804b472e70): calling ktype release
kobject: 'ip6tnl0': free name
kobject: 'rx-0' (ffff88808c0ac850): kobject_cleanup, parent ffff88809aee6948
kobject: 'rx-0' (ffff88808c0ac850): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88808c0ac850): kobject_uevent_env
kobject: 'rx-0' (ffff88808c0ac850): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88808c0ac850): auto cleanup kobject_del
kobject: 'rx-0' (ffff88808c0ac850): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888099b7fad8): kobject_cleanup, parent ffff88809aee6948
kobject: 'tx-0' (ffff888099b7fad8): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888099b7fad8): kobject_uevent_env
kobject: 'tx-0' (ffff888099b7fad8): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff888099b7fad8): auto cleanup kobject_del
kobject: 'tx-0' (ffff888099b7fad8): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88809aee6948): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88809aee6948): calling ktype release
kobject: 'queues' (ffff88809aee6948): kset_release
kobject: 'queues': free name
kobject: 'ip6tnl0' (ffff88807b6dadf0): kobject_uevent_env
kobject: 'ip6tnl0' (ffff88807b6dadf0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'loop4' (ffff8880a4aaea20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4aaea20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'ip6tnl0' (ffff88807b6dadf0): kobject_cleanup, parent
(null)
kobject: 'ip6tnl0' (ffff88807b6dadf0): calling ktype release
kobject: 'ip6tnl0': free name
kobject: 'rx-0' (ffff8880a13de9d0): kobject_cleanup, parent ffff88808b08dd48
kobject: 'rx-0' (ffff8880a13de9d0): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880a13de9d0): kobject_uevent_env
kobject: 'rx-0' (ffff8880a13de9d0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff8880a13de9d0): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880a13de9d0): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88809152ca18): kobject_cleanup, parent ffff88808b08dd48
kobject: 'tx-0' (ffff88809152ca18): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88809152ca18): kobject_uevent_env
kobject: 'tx-0' (ffff88809152ca18): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff88809152ca18): auto cleanup kobject_del
kobject: 'tx-0' (ffff88809152ca18): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88808b08dd48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88808b08dd48): calling ktype release
kobject: 'queues' (ffff88808b08dd48): kset_release
kobject: 'queues': free name
kobject: 'ip6tnl0' (ffff88804c5ac970): kobject_uevent_env
kobject: 'ip6tnl0' (ffff88804c5ac970): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'ip6tnl0' (ffff88804c5ac970): kobject_cleanup, parent
(null)
kobject: 'loop0' (ffff8880a4976ee0): kobject_uevent_env
kobject: 'ip6tnl0' (ffff88804c5ac970): calling ktype release
kobject: 'loop0' (ffff8880a4976ee0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'ip6tnl0': free name
kobject: 'rx-0' (ffff88808c0ac010): kobject_cleanup, parent ffff8880a3d65948
kobject: 'rx-0' (ffff88808c0ac010): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88808c0ac010): kobject_uevent_env
kobject: 'rx-0' (ffff88808c0ac010): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88808c0ac010): auto cleanup kobject_del
kobject: 'rx-0' (ffff88808c0ac010): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88808ba06058): kobject_cleanup, parent ffff8880a3d65948
kobject: 'tx-0' (ffff88808ba06058): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88808ba06058): kobject_uevent_env
kobject: 'tx-0' (ffff88808ba06058): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff88808ba06058): auto cleanup kobject_del
kobject: 'tx-0' (ffff88808ba06058): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880a3d65948): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff8880a3d65948): calling ktype release
kobject: 'queues' (ffff8880a3d65948): kset_release
kobject: 'queues': free name
kobject: 'ip6tnl0' (ffff88805e1ca6b0): kobject_uevent_env
kobject: 'ip6tnl0' (ffff88805e1ca6b0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'ip6tnl0' (ffff88805e1ca6b0): kobject_cleanup, parent
(null)
kobject: 'ip6tnl0' (ffff88805e1ca6b0): calling ktype release
kobject: 'ip6tnl0': free name
kobject: 'rx-0' (ffff888095760d90): kobject_cleanup, parent ffff88809afe8748
kobject: 'rx-0' (ffff888095760d90): auto cleanup 'remove' event
kobject: 'rx-0' (ffff888095760d90): kobject_uevent_env
kobject: 'rx-0' (ffff888095760d90): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff888095760d90): auto cleanup kobject_del
kobject: 'rx-0' (ffff888095760d90): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880a4d17d18): kobject_cleanup, parent ffff88809afe8748
kobject: 'tx-0' (ffff8880a4d17d18): auto cleanup 'remove' event
kobject: 'tx-0' (ffff8880a4d17d18): kobject_uevent_env
kobject: 'tx-0' (ffff8880a4d17d18): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff8880a4d17d18): auto cleanup kobject_del
kobject: 'tx-0' (ffff8880a4d17d18): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88809afe8748): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88809afe8748): calling ktype release
kobject: 'queues' (ffff88809afe8748): kset_release
kobject: 'queues': free name
kobject: 'ip6tnl0' (ffff88808c38d070): kobject_uevent_env
kobject: 'ip6tnl0' (ffff88808c38d070): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'ip6tnl0' (ffff88808c38d070): kobject_cleanup, parent
(null)
kobject: 'ip6tnl0' (ffff88808c38d070): calling ktype release
kobject: 'ip6tnl0': free name
kobject: 'rx-0' (ffff88807c873490): kobject_cleanup, parent ffff888098154d48
kobject: 'rx-0' (ffff88807c873490): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88807c873490): kobject_uevent_env
kobject: 'rx-0' (ffff88807c873490): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88807c873490): auto cleanup kobject_del
kobject: 'rx-0' (ffff88807c873490): calling ktype release
kobject: 'rx-0': free name
kobject: 'loop5' (ffff8880a4b19320): kobject_uevent_env
kobject: 'tx-0' (ffff88809f488318): kobject_cleanup, parent ffff888098154d48
kobject: 'loop5' (ffff8880a4b19320): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff88809f488318): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88809f488318): kobject_uevent_env
kobject: 'tx-0' (ffff88809f488318): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'loop4' (ffff8880a4aaea20): kobject_uevent_env
kobject: 'tx-0' (ffff88809f488318): auto cleanup kobject_del
kobject: 'tx-0' (ffff88809f488318): calling ktype release
kobject: 'tx-0': free name
kobject: 'loop4' (ffff8880a4aaea20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'queues' (ffff888098154d48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff888098154d48): calling ktype release
kobject: 'queues' (ffff888098154d48): kset_release
kobject: 'queues': free name
kobject: 'sit0' (ffff8880a5adec70): kobject_uevent_env
kobject: 'sit0' (ffff8880a5adec70): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'sit0' (ffff8880a5adec70): kobject_cleanup, parent (null)
kobject: 'sit0' (ffff8880a5adec70): calling ktype release
kobject: 'sit0': free name
kobject: 'rx-0' (ffff888093af3790): kobject_cleanup, parent ffff888098b1a348
kobject: 'rx-0' (ffff888093af3790): auto cleanup 'remove' event
kobject: 'rx-0' (ffff888093af3790): kobject_uevent_env
kobject: 'rx-0' (ffff888093af3790): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff888093af3790): auto cleanup kobject_del
kobject: 'rx-0' (ffff888093af3790): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880613c2a58): kobject_cleanup, parent ffff888098b1a348
kobject: 'tx-0' (ffff8880613c2a58): auto cleanup 'remove' event
kobject: 'tx-0' (ffff8880613c2a58): kobject_uevent_env
kobject: 'tx-0' (ffff8880613c2a58): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff8880613c2a58): auto cleanup kobject_del
kobject: 'tx-0' (ffff8880613c2a58): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff888098b1a348): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff888098b1a348): calling ktype release
kobject: 'queues' (ffff888098b1a348): kset_release
kobject: 'queues': free name
kobject: 'sit0' (ffff88809212cab0): kobject_uevent_env
kobject: 'sit0' (ffff88809212cab0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'sit0' (ffff88809212cab0): kobject_cleanup, parent (null)
kobject: 'sit0' (ffff88809212cab0): calling ktype release
kobject: 'loop0' (ffff8880a4976ee0): kobject_uevent_env
kobject: 'sit0': free name
kobject: 'loop0' (ffff8880a4976ee0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'rx-0' (ffff88807caae310): kobject_cleanup, parent ffff88809afe8648
kobject: 'rx-0' (ffff88807caae310): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88807caae310): kobject_uevent_env
kobject: 'rx-0' (ffff88807caae310): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88807caae310): auto cleanup kobject_del
kobject: 'rx-0' (ffff88807caae310): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888099e17318): kobject_cleanup, parent ffff88809afe8648
kobject: 'tx-0' (ffff888099e17318): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888099e17318): kobject_uevent_env
kobject: 'tx-0' (ffff888099e17318): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff888099e17318): auto cleanup kobject_del
kobject: 'tx-0' (ffff888099e17318): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88809afe8648): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88809afe8648): calling ktype release
kobject: 'queues' (ffff88809afe8648): kset_release
kobject: 'queues': free name
kobject: 'sit0' (ffff888099c4a770): kobject_uevent_env
kobject: 'sit0' (ffff888099c4a770): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'sit0' (ffff888099c4a770): kobject_cleanup, parent (null)
kobject: 'sit0' (ffff888099c4a770): calling ktype release
kobject: 'sit0': free name
kobject: 'rx-0' (ffff8880a1638f10): kobject_cleanup, parent ffff8880847acc48
kobject: 'rx-0' (ffff8880a1638f10): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880a1638f10): kobject_uevent_env
kobject: 'rx-0' (ffff8880a1638f10): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff8880a1638f10): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880a1638f10): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88807dbfd518): kobject_cleanup, parent ffff8880847acc48
kobject: 'tx-0' (ffff88807dbfd518): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88807dbfd518): kobject_uevent_env
kobject: 'tx-0' (ffff88807dbfd518): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff88807dbfd518): auto cleanup kobject_del
kobject: 'tx-0' (ffff88807dbfd518): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880847acc48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff8880847acc48): calling ktype release
kobject: 'queues' (ffff8880847acc48): kset_release
kobject: 'queues': free name
kobject: 'sit0' (ffff88805a5d93b0): kobject_uevent_env
kobject: 'sit0' (ffff88805a5d93b0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'sit0' (ffff88805a5d93b0): kobject_cleanup, parent (null)
kobject: 'sit0' (ffff88805a5d93b0): calling ktype release
kobject: 'sit0': free name
kobject: 'rx-0' (ffff8880a96ef850): kobject_cleanup, parent ffff88807ab71248
kobject: 'rx-0' (ffff8880a96ef850): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880a96ef850): kobject_uevent_env
kobject: 'rx-0' (ffff8880a96ef850): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff8880a96ef850): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880a96ef850): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88804f305cd8): kobject_cleanup, parent ffff88807ab71248
kobject: 'tx-0' (ffff88804f305cd8): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88804f305cd8): kobject_uevent_env
kobject: 'tx-0' (ffff88804f305cd8): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff88804f305cd8): auto cleanup kobject_del
kobject: 'tx-0' (ffff88804f305cd8): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88807ab71248): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88807ab71248): calling ktype release
kobject: 'queues' (ffff88807ab71248): kset_release
kobject: 'queues': free name
kobject: 'sit0' (ffff8880a020ae70): kobject_uevent_env
kobject: 'sit0' (ffff8880a020ae70): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'loop5' (ffff8880a4b19320): kobject_uevent_env
kobject: 'loop5' (ffff8880a4b19320): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'sit0' (ffff8880a020ae70): kobject_cleanup, parent (null)
kobject: 'sit0' (ffff8880a020ae70): calling ktype release
kobject: 'loop4' (ffff8880a4aaea20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4aaea20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'sit0': free name
kobject: 'rx-0' (ffff88807c873190): kobject_cleanup, parent ffff8880a913ad48
kobject: 'rx-0' (ffff88807c873190): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88807c873190): kobject_uevent_env
kobject: 'rx-0' (ffff88807c873190): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88807c873190): auto cleanup kobject_del
kobject: 'rx-0' (ffff88807c873190): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888090479c98): kobject_cleanup, parent ffff8880a913ad48
kobject: 'tx-0' (ffff888090479c98): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888090479c98): kobject_uevent_env
kobject: 'tx-0' (ffff888090479c98): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff888090479c98): auto cleanup kobject_del
kobject: 'tx-0' (ffff888090479c98): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880a913ad48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff8880a913ad48): calling ktype release
kobject: 'queues' (ffff8880a913ad48): kset_release
kobject: 'queues': free name
kobject: 'ip6_vti0' (ffff88805654b070): kobject_uevent_env
kobject: 'ip6_vti0' (ffff88805654b070): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'ip6_vti0' (ffff88805654b070): kobject_cleanup, parent
(null)
kobject: 'ip6_vti0' (ffff88805654b070): calling ktype release
kobject: 'ip6_vti0': free name
kobject: 'rx-0' (ffff888098613a90): kobject_cleanup, parent ffff8880a01fb148
kobject: 'rx-0' (ffff888098613a90): auto cleanup 'remove' event
kobject: 'rx-0' (ffff888098613a90): kobject_uevent_env
kobject: 'rx-0' (ffff888098613a90): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff888098613a90): auto cleanup kobject_del
kobject: 'rx-0' (ffff888098613a90): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88805a9ecd18): kobject_cleanup, parent ffff8880a01fb148
kobject: 'loop0' (ffff8880a4976ee0): kobject_uevent_env
kobject: 'tx-0' (ffff88805a9ecd18): auto cleanup 'remove' event
kobject: 'loop0' (ffff8880a4976ee0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'tx-0' (ffff88805a9ecd18): kobject_uevent_env
kobject: 'tx-0' (ffff88805a9ecd18): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff88805a9ecd18): auto cleanup kobject_del
kobject: 'tx-0' (ffff88805a9ecd18): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880a01fb148): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff8880a01fb148): calling ktype release
kobject: 'queues' (ffff8880a01fb148): kset_release
kobject: 'queues': free name
kobject: 'ip6_vti0' (ffff888053b0c9b0): kobject_uevent_env
kobject: 'ip6_vti0' (ffff888053b0c9b0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'ip6_vti0' (ffff888053b0c9b0): kobject_cleanup, parent
(null)
kobject: 'ip6_vti0' (ffff888053b0c9b0): calling ktype release
kobject: 'ip6_vti0': free name
kobject: 'rx-0' (ffff88805ebd6850): kobject_cleanup, parent ffff8880a03a8948
kobject: 'rx-0' (ffff88805ebd6850): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88805ebd6850): kobject_uevent_env
kobject: 'rx-0' (ffff88805ebd6850): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88805ebd6850): auto cleanup kobject_del
kobject: 'rx-0' (ffff88805ebd6850): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888053f6a298): kobject_cleanup, parent ffff8880a03a8948
kobject: 'tx-0' (ffff888053f6a298): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888053f6a298): kobject_uevent_env
kobject: 'tx-0' (ffff888053f6a298): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff888053f6a298): auto cleanup kobject_del
kobject: 'tx-0' (ffff888053f6a298): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880a03a8948): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff8880a03a8948): calling ktype release
kobject: 'queues' (ffff8880a03a8948): kset_release
kobject: 'queues': free name
kobject: 'ip6_vti0' (ffff88808ae0f470): kobject_uevent_env
kobject: 'ip6_vti0' (ffff88808ae0f470): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'ip6_vti0' (ffff88808ae0f470): kobject_cleanup, parent
(null)
kobject: 'ip6_vti0' (ffff88808ae0f470): calling ktype release
kobject: 'ip6_vti0': free name
kobject: 'rx-0' (ffff8880a9257c10): kobject_cleanup, parent ffff888095f23148
kobject: 'rx-0' (ffff8880a9257c10): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880a9257c10): kobject_uevent_env
kobject: 'rx-0' (ffff8880a9257c10): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff8880a9257c10): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880a9257c10): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88809fccba58): kobject_cleanup, parent ffff888095f23148
kobject: 'tx-0' (ffff88809fccba58): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88809fccba58): kobject_uevent_env
kobject: 'tx-0' (ffff88809fccba58): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff88809fccba58): auto cleanup kobject_del
kobject: 'tx-0' (ffff88809fccba58): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff888095f23148): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff888095f23148): calling ktype release
kobject: 'queues' (ffff888095f23148): kset_release
kobject: 'queues': free name
kobject: 'ip6_vti0' (ffff88808b7111b0): kobject_uevent_env
kobject: 'ip6_vti0' (ffff88808b7111b0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'loop5' (ffff8880a4b19320): kobject_uevent_env
kobject: 'ip6_vti0' (ffff88808b7111b0): kobject_cleanup, parent
(null)
kobject: 'loop5' (ffff8880a4b19320): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'ip6_vti0' (ffff88808b7111b0): calling ktype release
kobject: 'loop4' (ffff8880a4aaea20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4aaea20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'ip6_vti0': free name
kobject: 'rx-0' (ffff88808a217610): kobject_cleanup, parent ffff88807dbbb548
kobject: 'rx-0' (ffff88808a217610): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88808a217610): kobject_uevent_env
kobject: 'rx-0' (ffff88808a217610): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88808a217610): auto cleanup kobject_del
kobject: 'rx-0' (ffff88808a217610): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880a11d9a58): kobject_cleanup, parent ffff88807dbbb548
kobject: 'tx-0' (ffff8880a11d9a58): auto cleanup 'remove' event
kobject: 'tx-0' (ffff8880a11d9a58): kobject_uevent_env
kobject: 'tx-0' (ffff8880a11d9a58): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff8880a11d9a58): auto cleanup kobject_del
kobject: 'tx-0' (ffff8880a11d9a58): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88807dbbb548): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88807dbbb548): calling ktype release
kobject: 'queues' (ffff88807dbbb548): kset_release
kobject: 'queues': free name
kobject: 'ip6_vti0' (ffff888093c5cc70): kobject_uevent_env
kobject: 'ip6_vti0' (ffff888093c5cc70): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'ip6_vti0' (ffff888093c5cc70): kobject_cleanup, parent
(null)
kobject: 'ip6_vti0' (ffff888093c5cc70): calling ktype release
kobject: 'ip6_vti0': free name
kobject: 'rx-0' (ffff888095760790): kobject_cleanup, parent ffff8880a0f3ab48
kobject: 'rx-0' (ffff888095760790): auto cleanup 'remove' event
kobject: 'rx-0' (ffff888095760790): kobject_uevent_env
kobject: 'rx-0' (ffff888095760790): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff888095760790): auto cleanup kobject_del
kobject: 'rx-0' (ffff888095760790): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888061189598): kobject_cleanup, parent ffff8880a0f3ab48
kobject: 'loop0' (ffff8880a4976ee0): kobject_uevent_env
kobject: 'tx-0' (ffff888061189598): auto cleanup 'remove' event
kobject: 'loop0' (ffff8880a4976ee0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'tx-0' (ffff888061189598): kobject_uevent_env
kobject: 'tx-0' (ffff888061189598): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff888061189598): auto cleanup kobject_del
kobject: 'tx-0' (ffff888061189598): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880a0f3ab48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff8880a0f3ab48): calling ktype release
kobject: 'queues' (ffff8880a0f3ab48): kset_release
kobject: 'queues': free name
kobject: 'ip_vti0' (ffff88805706a5b0): kobject_uevent_env
kobject: 'ip_vti0' (ffff88805706a5b0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'ip_vti0' (ffff88805706a5b0): kobject_cleanup, parent
(null)
kobject: 'ip_vti0' (ffff88805706a5b0): calling ktype release
kobject: 'ip_vti0': free name
kobject: 'rx-0' (ffff888094919d90): kobject_cleanup, parent ffff8880a0f3a448
kobject: 'rx-0' (ffff888094919d90): auto cleanup 'remove' event
kobject: 'rx-0' (ffff888094919d90): kobject_uevent_env
kobject: 'rx-0' (ffff888094919d90): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff888094919d90): auto cleanup kobject_del
kobject: 'rx-0' (ffff888094919d90): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880967e6018): kobject_cleanup, parent ffff8880a0f3a448
kobject: 'tx-0' (ffff8880967e6018): auto cleanup 'remove' event
kobject: 'tx-0' (ffff8880967e6018): kobject_uevent_env
kobject: 'tx-0' (ffff8880967e6018): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff8880967e6018): auto cleanup kobject_del
kobject: 'tx-0' (ffff8880967e6018): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880a0f3a448): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff8880a0f3a448): calling ktype release
kobject: 'queues' (ffff8880a0f3a448): kset_release
kobject: 'queues': free name
kobject: 'ip_vti0' (ffff888053ab6770): kobject_uevent_env
kobject: 'ip_vti0' (ffff888053ab6770): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'ip_vti0' (ffff888053ab6770): kobject_cleanup, parent
(null)
kobject: 'ip_vti0' (ffff888053ab6770): calling ktype release
kobject: 'ip_vti0': free name
kobject: 'rx-0' (ffff8880949193d0): kobject_cleanup, parent ffff888093d26d48
kobject: 'rx-0' (ffff8880949193d0): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880949193d0): kobject_uevent_env
kobject: 'rx-0' (ffff8880949193d0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff8880949193d0): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880949193d0): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880583ddd58): kobject_cleanup, parent ffff888093d26d48
kobject: 'tx-0' (ffff8880583ddd58): auto cleanup 'remove' event
kobject: 'tx-0' (ffff8880583ddd58): kobject_uevent_env
kobject: 'tx-0' (ffff8880583ddd58): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff8880583ddd58): auto cleanup kobject_del
kobject: 'tx-0' (ffff8880583ddd58): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff888093d26d48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff888093d26d48): calling ktype release
kobject: 'queues' (ffff888093d26d48): kset_release
kobject: 'queues': free name
kobject: 'ip_vti0' (ffff88808a463230): kobject_uevent_env
kobject: 'ip_vti0' (ffff88808a463230): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'loop5' (ffff8880a4b19320): kobject_uevent_env
kobject: 'loop5' (ffff8880a4b19320): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'ip_vti0' (ffff88808a463230): kobject_cleanup, parent
(null)
kobject: 'ip_vti0' (ffff88808a463230): calling ktype release
kobject: 'loop4' (ffff8880a4aaea20): kobject_uevent_env
kobject: 'ip_vti0': free name
kobject: 'loop4' (ffff8880a4aaea20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'rx-0' (ffff8880979510d0): kobject_cleanup, parent ffff888095f23348
kobject: 'rx-0' (ffff8880979510d0): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880979510d0): kobject_uevent_env
kobject: 'rx-0' (ffff8880979510d0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff8880979510d0): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880979510d0): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888097f465d8): kobject_cleanup, parent ffff888095f23348
kobject: 'tx-0' (ffff888097f465d8): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888097f465d8): kobject_uevent_env
kobject: 'tx-0' (ffff888097f465d8): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff888097f465d8): auto cleanup kobject_del
kobject: 'tx-0' (ffff888097f465d8): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff888095f23348): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff888095f23348): calling ktype release
kobject: 'queues' (ffff888095f23348): kset_release
kobject: 'queues': free name
kobject: 'ip_vti0' (ffff888055830f70): kobject_uevent_env
kobject: 'ip_vti0' (ffff888055830f70): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'ip_vti0' (ffff888055830f70): kobject_cleanup, parent
(null)
kobject: 'ip_vti0' (ffff888055830f70): calling ktype release
kobject: 'ip_vti0': free name
kobject: 'rx-0' (ffff88809be07f10): kobject_cleanup, parent ffff88805d233948
kobject: 'rx-0' (ffff88809be07f10): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88809be07f10): kobject_uevent_env
kobject: 'rx-0' (ffff88809be07f10): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88809be07f10): auto cleanup kobject_del
kobject: 'rx-0' (ffff88809be07f10): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88808e5725d8): kobject_cleanup, parent ffff88805d233948
kobject: 'tx-0' (ffff88808e5725d8): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88808e5725d8): kobject_uevent_env
kobject: 'tx-0' (ffff88808e5725d8): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'loop0' (ffff8880a4976ee0): kobject_uevent_env
kobject: 'tx-0' (ffff88808e5725d8): auto cleanup kobject_del
kobject: 'loop0' (ffff8880a4976ee0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'tx-0' (ffff88808e5725d8): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88805d233948): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88805d233948): calling ktype release
kobject: 'queues' (ffff88805d233948): kset_release
kobject: 'queues': free name
kobject: 'ip_vti0' (ffff888056daea30): kobject_uevent_env
kobject: 'ip_vti0' (ffff888056daea30): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'ip_vti0' (ffff888056daea30): kobject_cleanup, parent
(null)
kobject: 'ip_vti0' (ffff888056daea30): calling ktype release
kobject: 'ip_vti0': free name
kobject: 'batman_adv' (ffff88808ae37a00): kobject_uevent_env
kobject: 'batman_adv' (ffff88808ae37a00): kobject_uevent_env: filter
function caused the event to drop!
kobject: 'batman_adv' (ffff88808ae37a00): kobject_cleanup, parent
(null)
kobject: 'batman_adv' (ffff88808ae37a00): calling ktype release
kobject: (ffff88808ae37a00): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (ffff88809dea0250): kobject_cleanup, parent ffff8880a626ee48
kobject: 'rx-0' (ffff88809dea0250): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88809dea0250): kobject_uevent_env
kobject: 'rx-0' (ffff88809dea0250): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88809dea0250): auto cleanup kobject_del
kobject: 'rx-0' (ffff88809dea0250): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880969b5c98): kobject_cleanup, parent ffff8880a626ee48
kobject: 'tx-0' (ffff8880969b5c98): auto cleanup 'remove' event
kobject: 'tx-0' (ffff8880969b5c98): kobject_uevent_env
kobject: 'tx-0' (ffff8880969b5c98): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff8880969b5c98): auto cleanup kobject_del
kobject: 'tx-0' (ffff8880969b5c98): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880a626ee48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff8880a626ee48): calling ktype release
kobject: 'queues' (ffff8880a626ee48): kset_release
kobject: 'queues': free name
kobject: 'erspan0' (ffff8880a549e9b0): kobject_uevent_env
kobject: 'erspan0' (ffff8880a549e9b0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'erspan0' (ffff8880a549e9b0): kobject_cleanup, parent
(null)
kobject: 'erspan0' (ffff8880a549e9b0): calling ktype release
kobject: 'erspan0': free name
kobject: 'batman_adv' (ffff88805db7fd00): kobject_uevent_env
kobject: 'batman_adv' (ffff88805db7fd00): kobject_uevent_env: filter
function caused the event to drop!
kobject: 'batman_adv' (ffff88805db7fd00): kobject_cleanup, parent
(null)
kobject: 'batman_adv' (ffff88805db7fd00): calling ktype release
kobject: (ffff88805db7fd00): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (ffff88805ebd60d0): kobject_cleanup, parent ffff88807d7fa448
kobject: 'rx-0' (ffff88805ebd60d0): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88805ebd60d0): kobject_uevent_env
kobject: 'rx-0' (ffff88805ebd60d0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88805ebd60d0): auto cleanup kobject_del
kobject: 'rx-0' (ffff88805ebd60d0): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888097c9fc98): kobject_cleanup, parent ffff88807d7fa448
kobject: 'tx-0' (ffff888097c9fc98): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888097c9fc98): kobject_uevent_env
kobject: 'tx-0' (ffff888097c9fc98): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'loop5' (ffff8880a4b19320): kobject_uevent_env
kobject: 'tx-0' (ffff888097c9fc98): auto cleanup kobject_del
kobject: 'loop5' (ffff8880a4b19320): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff888097c9fc98): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88807d7fa448): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88807d7fa448): calling ktype release
kobject: 'loop4' (ffff8880a4aaea20): kobject_uevent_env
kobject: 'queues' (ffff88807d7fa448): kset_release
kobject: 'loop4' (ffff8880a4aaea20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'queues': free name
kobject: 'erspan0' (ffff88808a863470): kobject_uevent_env
kobject: 'erspan0' (ffff88808a863470): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'erspan0' (ffff88808a863470): kobject_cleanup, parent
(null)
kobject: 'erspan0' (ffff88808a863470): calling ktype release
kobject: 'erspan0': free name
kobject: 'batman_adv' (ffff8880a0be2500): kobject_uevent_env
kobject: 'batman_adv' (ffff8880a0be2500): kobject_uevent_env: filter
function caused the event to drop!
kobject: 'batman_adv' (ffff8880a0be2500): kobject_cleanup, parent
(null)
kobject: 'batman_adv' (ffff8880a0be2500): calling ktype release
kobject: (ffff8880a0be2500): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (ffff88805ebd6010): kobject_cleanup, parent ffff88808b500b48
kobject: 'rx-0' (ffff88805ebd6010): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88805ebd6010): kobject_uevent_env
kobject: 'rx-0' (ffff88805ebd6010): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88805ebd6010): auto cleanup kobject_del
kobject: 'rx-0' (ffff88805ebd6010): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88809d57a558): kobject_cleanup, parent ffff88808b500b48
kobject: 'tx-0' (ffff88809d57a558): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88809d57a558): kobject_uevent_env
kobject: 'tx-0' (ffff88809d57a558): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff88809d57a558): auto cleanup kobject_del
kobject: 'tx-0' (ffff88809d57a558): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88808b500b48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88808b500b48): calling ktype release
kobject: 'queues' (ffff88808b500b48): kset_release
kobject: 'queues': free name
kobject: 'erspan0' (ffff88805ec2a6b0): kobject_uevent_env
kobject: 'erspan0' (ffff88805ec2a6b0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'loop0' (ffff8880a4976ee0): kobject_uevent_env
kobject: 'loop0' (ffff8880a4976ee0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'erspan0' (ffff88805ec2a6b0): kobject_cleanup, parent
(null)
kobject: 'erspan0' (ffff88805ec2a6b0): calling ktype release
kobject: 'erspan0': free name
kobject: 'batman_adv' (ffff888096bece80): kobject_uevent_env
kobject: 'batman_adv' (ffff888096bece80): kobject_uevent_env: filter
function caused the event to drop!
kobject: 'batman_adv' (ffff888096bece80): kobject_cleanup, parent
(null)
kobject: 'batman_adv' (ffff888096bece80): calling ktype release
kobject: (ffff888096bece80): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (ffff8880a9257490): kobject_cleanup, parent ffff88807b422d48
kobject: 'rx-0' (ffff8880a9257490): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880a9257490): kobject_uevent_env
kobject: 'rx-0' (ffff8880a9257490): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff8880a9257490): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880a9257490): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888060f8fa98): kobject_cleanup, parent ffff88807b422d48
kobject: 'tx-0' (ffff888060f8fa98): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888060f8fa98): kobject_uevent_env
kobject: 'tx-0' (ffff888060f8fa98): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff888060f8fa98): auto cleanup kobject_del
kobject: 'tx-0' (ffff888060f8fa98): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88807b422d48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88807b422d48): calling ktype release
kobject: 'queues' (ffff88807b422d48): kset_release
kobject: 'queues': free name
kobject: 'erspan0' (ffff888056346d70): kobject_uevent_env
kobject: 'erspan0' (ffff888056346d70): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'erspan0' (ffff888056346d70): kobject_cleanup, parent
(null)
kobject: 'erspan0' (ffff888056346d70): calling ktype release
kobject: 'erspan0': free name
kobject: 'batman_adv' (ffff88809b4ffb80): kobject_uevent_env
kobject: 'batman_adv' (ffff88809b4ffb80): kobject_uevent_env: filter
function caused the event to drop!
kobject: 'batman_adv' (ffff88809b4ffb80): kobject_cleanup, parent
(null)
kobject: 'batman_adv' (ffff88809b4ffb80): calling ktype release
kobject: (ffff88809b4ffb80): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (ffff88808a2173d0): kobject_cleanup, parent ffff888076d3f548
kobject: 'rx-0' (ffff88808a2173d0): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88808a2173d0): kobject_uevent_env
kobject: 'rx-0' (ffff88808a2173d0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88808a2173d0): auto cleanup kobject_del
kobject: 'rx-0' (ffff88808a2173d0): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888059165a58): kobject_cleanup, parent ffff888076d3f548
kobject: 'tx-0' (ffff888059165a58): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888059165a58): kobject_uevent_env
kobject: 'tx-0' (ffff888059165a58): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff888059165a58): auto cleanup kobject_del
kobject: 'tx-0' (ffff888059165a58): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff888076d3f548): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff888076d3f548): calling ktype release
kobject: 'queues' (ffff888076d3f548): kset_release
kobject: 'queues': free name
kobject: 'erspan0' (ffff8880a9a6d170): kobject_uevent_env
kobject: 'erspan0' (ffff8880a9a6d170): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'erspan0' (ffff8880a9a6d170): kobject_cleanup, parent
(null)
kobject: 'erspan0' (ffff8880a9a6d170): calling ktype release
kobject: 'erspan0': free name
kobject: 'batman_adv' (ffff88809330de00): kobject_uevent_env
kobject: 'loop5' (ffff8880a4b19320): kobject_uevent_env
kobject: 'batman_adv' (ffff88809330de00): kobject_uevent_env: filter
function caused the event to drop!
kobject: 'loop5' (ffff8880a4b19320): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'loop4' (ffff8880a4aaea20): kobject_uevent_env
kobject: 'batman_adv' (ffff88809330de00): kobject_cleanup, parent
(null)
kobject: 'loop4' (ffff8880a4aaea20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'batman_adv' (ffff88809330de00): calling ktype release
kobject: (ffff88809330de00): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (ffff88807d5d46d0): kobject_cleanup, parent ffff888098310f48
kobject: 'rx-0' (ffff88807d5d46d0): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88807d5d46d0): kobject_uevent_env
kobject: 'rx-0' (ffff88807d5d46d0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88807d5d46d0): auto cleanup kobject_del
kobject: 'rx-0' (ffff88807d5d46d0): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888095093798): kobject_cleanup, parent ffff888098310f48
kobject: 'tx-0' (ffff888095093798): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888095093798): kobject_uevent_env
kobject: 'tx-0' (ffff888095093798): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff888095093798): auto cleanup kobject_del
kobject: 'tx-0' (ffff888095093798): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff888098310f48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff888098310f48): calling ktype release
kobject: 'queues' (ffff888098310f48): kset_release
kobject: 'queues': free name
kobject: 'gretap0' (ffff8880564a87b0): kobject_uevent_env
kobject: 'gretap0' (ffff8880564a87b0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'gretap0' (ffff8880564a87b0): kobject_cleanup, parent
(null)
kobject: 'gretap0' (ffff8880564a87b0): calling ktype release
kobject: 'gretap0': free name
kobject: 'batman_adv' (ffff8880a50a6c00): kobject_uevent_env
kobject: 'batman_adv' (ffff8880a50a6c00): kobject_uevent_env: filter
function caused the event to drop!
kobject: 'batman_adv' (ffff8880a50a6c00): kobject_cleanup, parent
(null)
kobject: 'batman_adv' (ffff8880a50a6c00): calling ktype release
kobject: (ffff8880a50a6c00): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'loop0' (ffff8880a4976ee0): kobject_uevent_env
kobject: 'rx-0' (ffff888094919850): kobject_cleanup, parent ffff88808e864648
kobject: 'loop0' (ffff8880a4976ee0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'rx-0' (ffff888094919850): auto cleanup 'remove' event
kobject: 'rx-0' (ffff888094919850): kobject_uevent_env
kobject: 'rx-0' (ffff888094919850): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff888094919850): auto cleanup kobject_del
kobject: 'rx-0' (ffff888094919850): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880a1323d18): kobject_cleanup, parent ffff88808e864648
kobject: 'tx-0' (ffff8880a1323d18): auto cleanup 'remove' event
kobject: 'tx-0' (ffff8880a1323d18): kobject_uevent_env
kobject: 'tx-0' (ffff8880a1323d18): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff8880a1323d18): auto cleanup kobject_del
kobject: 'tx-0' (ffff8880a1323d18): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88808e864648): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88808e864648): calling ktype release
kobject: 'queues' (ffff88808e864648): kset_release
kobject: 'queues': free name
kobject: 'gretap0' (ffff888062251270): kobject_uevent_env
kobject: 'gretap0' (ffff888062251270): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'gretap0' (ffff888062251270): kobject_cleanup, parent
(null)
kobject: 'gretap0' (ffff888062251270): calling ktype release
kobject: 'gretap0': free name
kobject: 'batman_adv' (ffff8880a9150500): kobject_uevent_env
kobject: 'batman_adv' (ffff8880a9150500): kobject_uevent_env: filter
function caused the event to drop!
kobject: 'batman_adv' (ffff8880a9150500): kobject_cleanup, parent
(null)
kobject: 'batman_adv' (ffff8880a9150500): calling ktype release
kobject: (ffff8880a9150500): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (ffff8880a9502850): kobject_cleanup, parent ffff88807724a248
kobject: 'rx-0' (ffff8880a9502850): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880a9502850): kobject_uevent_env
kobject: 'rx-0' (ffff8880a9502850): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff8880a9502850): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880a9502850): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880a88afc98): kobject_cleanup, parent ffff88807724a248
kobject: 'tx-0' (ffff8880a88afc98): auto cleanup 'remove' event
kobject: 'tx-0' (ffff8880a88afc98): kobject_uevent_env
kobject: 'tx-0' (ffff8880a88afc98): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff8880a88afc98): auto cleanup kobject_del
kobject: 'tx-0' (ffff8880a88afc98): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88807724a248): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88807724a248): calling ktype release
kobject: 'queues' (ffff88807724a248): kset_release
kobject: 'queues': free name
kobject: 'gretap0' (ffff8880857d6d30): kobject_uevent_env
kobject: 'gretap0' (ffff8880857d6d30): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'gretap0' (ffff8880857d6d30): kobject_cleanup, parent
(null)
kobject: 'gretap0' (ffff8880857d6d30): calling ktype release
kobject: 'gretap0': free name
kobject: 'batman_adv' (ffff88809be50100): kobject_uevent_env
kobject: 'batman_adv' (ffff88809be50100): kobject_uevent_env: filter
function caused the event to drop!
kobject: 'batman_adv' (ffff88809be50100): kobject_cleanup, parent
(null)
kobject: 'batman_adv' (ffff88809be50100): calling ktype release
kobject: (ffff88809be50100): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (ffff8880979519d0): kobject_cleanup, parent ffff888096ac1a48
kobject: 'rx-0' (ffff8880979519d0): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880979519d0): kobject_uevent_env
kobject: 'rx-0' (ffff8880979519d0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff8880979519d0): auto cleanup kobject_del
kobject: 'loop5' (ffff8880a4b19320): kobject_uevent_env
kobject: 'rx-0' (ffff8880979519d0): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88809658a818): kobject_cleanup, parent ffff888096ac1a48
kobject: 'tx-0' (ffff88809658a818): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88809658a818): kobject_uevent_env
kobject: 'loop5' (ffff8880a4b19320): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff88809658a818): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'loop4' (ffff8880a4aaea20): kobject_uevent_env
kobject: 'tx-0' (ffff88809658a818): auto cleanup kobject_del
kobject: 'loop4' (ffff8880a4aaea20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'tx-0' (ffff88809658a818): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff888096ac1a48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff888096ac1a48): calling ktype release
kobject: 'queues' (ffff888096ac1a48): kset_release
kobject: 'queues': free name
kobject: 'gretap0' (ffff88808e84a770): kobject_uevent_env
kobject: 'gretap0' (ffff88808e84a770): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'gretap0' (ffff88808e84a770): kobject_cleanup, parent
(null)
kobject: 'gretap0' (ffff88808e84a770): calling ktype release
kobject: 'gretap0': free name
kobject: 'batman_adv' (ffff888094561d80): kobject_uevent_env
kobject: 'batman_adv' (ffff888094561d80): kobject_uevent_env: filter
function caused the event to drop!
kobject: 'batman_adv' (ffff888094561d80): kobject_cleanup, parent
(null)
kobject: 'batman_adv' (ffff888094561d80): calling ktype release
kobject: (ffff888094561d80): dynamic_kobj_release
kobject: 'batman_adv': free name
kobject: 'rx-0' (ffff88809be07190): kobject_cleanup, parent ffff88807b422f48
kobject: 'rx-0' (ffff88809be07190): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88809be07190): kobject_uevent_env
kobject: 'rx-0' (ffff88809be07190): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88809be07190): auto cleanup kobject_del
kobject: 'rx-0' (ffff88809be07190): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880584cdc98): kobject_cleanup, parent ffff88807b422f48
kobject: 'tx-0' (ffff8880584cdc98): auto cleanup 'remove' event
kobject: 'tx-0' (ffff8880584cdc98): kobject_uevent_env
kobject: 'tx-0' (ffff8880584cdc98): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff8880584cdc98): auto cleanup kobject_del
kobject: 'loop0' (ffff8880a4976ee0): kobject_uevent_env
kobject: 'tx-0' (ffff8880584cdc98): calling ktype release
kobject: 'loop0' (ffff8880a4976ee0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'tx-0': free name
kobject: 'queues' (ffff88807b422f48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88807b422f48): calling ktype release
kobject: 'queues' (ffff88807b422f48): kset_release
kobject: 'queues': free name
kobject: 'gretap0' (ffff8880aa98cd70): kobject_uevent_env
kobject: 'gretap0' (ffff8880aa98cd70): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'gretap0' (ffff8880aa98cd70): kobject_cleanup, parent
(null)
kobject: 'gretap0' (ffff8880aa98cd70): calling ktype release
kobject: 'gretap0': free name
kobject: 'rx-0' (ffff8880a89aba90): kobject_cleanup, parent ffff888098310a48
kobject: 'rx-0' (ffff8880a89aba90): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880a89aba90): kobject_uevent_env
kobject: 'rx-0' (ffff8880a89aba90): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff8880a89aba90): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880a89aba90): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88808af64318): kobject_cleanup, parent ffff888098310a48
kobject: 'tx-0' (ffff88808af64318): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88808af64318): kobject_uevent_env
kobject: 'tx-0' (ffff88808af64318): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff88808af64318): auto cleanup kobject_del
kobject: 'tx-0' (ffff88808af64318): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff888098310a48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff888098310a48): calling ktype release
kobject: 'queues' (ffff888098310a48): kset_release
kobject: 'queues': free name
kobject: 'gre0' (ffff88807a376670): kobject_uevent_env
kobject: 'gre0' (ffff88807a376670): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'gre0' (ffff88807a376670): kobject_cleanup, parent (null)
kobject: 'gre0' (ffff88807a376670): calling ktype release
kobject: 'gre0': free name
kobject: 'rx-0' (ffff88805ebd6550): kobject_cleanup, parent ffff88808e864b48
kobject: 'rx-0' (ffff88805ebd6550): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88805ebd6550): kobject_uevent_env
kobject: 'rx-0' (ffff88805ebd6550): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88805ebd6550): auto cleanup kobject_del
kobject: 'rx-0' (ffff88805ebd6550): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88809afe1318): kobject_cleanup, parent ffff88808e864b48
kobject: 'tx-0' (ffff88809afe1318): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88809afe1318): kobject_uevent_env
kobject: 'tx-0' (ffff88809afe1318): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff88809afe1318): auto cleanup kobject_del
kobject: 'tx-0' (ffff88809afe1318): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88808e864b48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88808e864b48): calling ktype release
kobject: 'queues' (ffff88808e864b48): kset_release
kobject: 'queues': free name
kobject: 'gre0' (ffff8880597f1130): kobject_uevent_env
kobject: 'gre0' (ffff8880597f1130): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'gre0' (ffff8880597f1130): kobject_cleanup, parent (null)
kobject: 'gre0' (ffff8880597f1130): calling ktype release
kobject: 'gre0': free name
kobject: 'rx-0' (ffff88809b5adb50): kobject_cleanup, parent ffff88809943c648
kobject: 'rx-0' (ffff88809b5adb50): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88809b5adb50): kobject_uevent_env
kobject: 'loop4' (ffff8880a4aaea20): kobject_uevent_env
kobject: 'rx-0' (ffff88809b5adb50): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'loop4' (ffff8880a4aaea20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'rx-0' (ffff88809b5adb50): auto cleanup kobject_del
kobject: 'rx-0' (ffff88809b5adb50): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888099b52d18): kobject_cleanup, parent ffff88809943c648
kobject: 'loop5' (ffff8880a4b19320): kobject_uevent_env
kobject: 'tx-0' (ffff888099b52d18): auto cleanup 'remove' event
kobject: 'loop5' (ffff8880a4b19320): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff888099b52d18): kobject_uevent_env
kobject: 'tx-0' (ffff888099b52d18): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff888099b52d18): auto cleanup kobject_del
kobject: 'tx-0' (ffff888099b52d18): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88809943c648): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88809943c648): calling ktype release
kobject: 'queues' (ffff88809943c648): kset_release
kobject: 'queues': free name
kobject: 'gre0' (ffff888050ffeb70): kobject_uevent_env
kobject: 'gre0' (ffff888050ffeb70): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'gre0' (ffff888050ffeb70): kobject_cleanup, parent (null)
kobject: 'gre0' (ffff888050ffeb70): calling ktype release
kobject: 'gre0': free name
kobject: 'rx-0' (ffff8880a92576d0): kobject_cleanup, parent ffff88808ac96c48
kobject: 'rx-0' (ffff8880a92576d0): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880a92576d0): kobject_uevent_env
kobject: 'rx-0' (ffff8880a92576d0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff8880a92576d0): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880a92576d0): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880951f3a18): kobject_cleanup, parent ffff88808ac96c48
kobject: 'tx-0' (ffff8880951f3a18): auto cleanup 'remove' event
kobject: 'tx-0' (ffff8880951f3a18): kobject_uevent_env
kobject: 'tx-0' (ffff8880951f3a18): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff8880951f3a18): auto cleanup kobject_del
kobject: 'tx-0' (ffff8880951f3a18): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88808ac96c48): kobject_cleanup, parent
(null)
kobject: 'loop0' (ffff8880a4976ee0): kobject_uevent_env
kobject: 'queues' (ffff88808ac96c48): calling ktype release
kobject: 'loop0' (ffff8880a4976ee0): fill_kobj_path: path
= '/devices/virtual/block/loop0'
kobject: 'queues' (ffff88808ac96c48): kset_release
kobject: 'queues': free name
kobject: 'gre0' (ffff8880a62ceab0): kobject_uevent_env
kobject: 'gre0' (ffff8880a62ceab0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'gre0' (ffff8880a62ceab0): kobject_cleanup, parent (null)
kobject: 'gre0' (ffff8880a62ceab0): calling ktype release
kobject: 'gre0': free name
kobject: 'rx-0' (ffff8880a9257e50): kobject_cleanup, parent ffff88807db6dc48
kobject: 'rx-0' (ffff8880a9257e50): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880a9257e50): kobject_uevent_env
kobject: 'rx-0' (ffff8880a9257e50): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff8880a9257e50): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880a9257e50): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88807dacbad8): kobject_cleanup, parent ffff88807db6dc48
kobject: 'tx-0' (ffff88807dacbad8): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88807dacbad8): kobject_uevent_env
kobject: 'tx-0' (ffff88807dacbad8): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff88807dacbad8): auto cleanup kobject_del
kobject: 'tx-0' (ffff88807dacbad8): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff88807db6dc48): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff88807db6dc48): calling ktype release
kobject: 'queues' (ffff88807db6dc48): kset_release
kobject: 'queues': free name
kobject: 'gre0' (ffff888055226630): kobject_uevent_env
kobject: 'gre0' (ffff888055226630): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'gre0' (ffff888055226630): kobject_cleanup, parent (null)
kobject: 'gre0' (ffff888055226630): calling ktype release
kobject: 'gre0': free name
kobject: 'rx-0' (ffff8880a11f79d0): kobject_cleanup, parent ffff888090927948
kobject: 'rx-0' (ffff8880a11f79d0): auto cleanup 'remove' event
kobject: 'rx-0' (ffff8880a11f79d0): kobject_uevent_env
kobject: 'rx-0' (ffff8880a11f79d0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff8880a11f79d0): auto cleanup kobject_del
kobject: 'rx-0' (ffff8880a11f79d0): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff8880a7c32598): kobject_cleanup, parent ffff888090927948
kobject: 'tx-0' (ffff8880a7c32598): auto cleanup 'remove' event
kobject: 'tx-0' (ffff8880a7c32598): kobject_uevent_env
kobject: 'tx-0' (ffff8880a7c32598): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff8880a7c32598): auto cleanup kobject_del
kobject: 'tx-0' (ffff8880a7c32598): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff888090927948): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff888090927948): calling ktype release
kobject: 'queues' (ffff888090927948): kset_release
kobject: 'queues': free name
kobject: 'tunl0' (ffff888061ea9430): kobject_uevent_env
kobject: 'tunl0' (ffff888061ea9430): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tunl0' (ffff888061ea9430): kobject_cleanup, parent
(null)
kobject: 'tunl0' (ffff888061ea9430): calling ktype release
kobject: 'tunl0': free name
kobject: 'rx-0' (ffff888094919910): kobject_cleanup, parent ffff8880a0f3a048
kobject: 'rx-0' (ffff888094919910): auto cleanup 'remove' event
kobject: 'rx-0' (ffff888094919910): kobject_uevent_env
kobject: 'rx-0' (ffff888094919910): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff888094919910): auto cleanup kobject_del
kobject: 'loop4' (ffff8880a4aaea20): kobject_uevent_env
kobject: 'loop4' (ffff8880a4aaea20): fill_kobj_path: path
= '/devices/virtual/block/loop4'
kobject: 'rx-0' (ffff888094919910): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff888062a10598): kobject_cleanup, parent ffff8880a0f3a048
kobject: 'tx-0' (ffff888062a10598): auto cleanup 'remove' event
kobject: 'tx-0' (ffff888062a10598): kobject_uevent_env
kobject: 'loop5' (ffff8880a4b19320): kobject_uevent_env
kobject: 'loop5' (ffff8880a4b19320): fill_kobj_path: path
= '/devices/virtual/block/loop5'
kobject: 'tx-0' (ffff888062a10598): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff888062a10598): auto cleanup kobject_del
kobject: 'tx-0' (ffff888062a10598): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff8880a0f3a048): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff8880a0f3a048): calling ktype release
kobject: 'queues' (ffff8880a0f3a048): kset_release
kobject: 'queues': free name
kobject: 'tunl0' (ffff88808ac48ef0): kobject_uevent_env
kobject: 'tunl0' (ffff88808ac48ef0): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tunl0' (ffff88808ac48ef0): kobject_cleanup, parent
(null)
kobject: 'tunl0' (ffff88808ac48ef0): calling ktype release
kobject: 'tunl0': free name
kobject: 'rx-0' (ffff88808faaa910): kobject_cleanup, parent ffff888099663348
kobject: 'rx-0' (ffff88808faaa910): auto cleanup 'remove' event
kobject: 'rx-0' (ffff88808faaa910): kobject_uevent_env
kobject: 'rx-0' (ffff88808faaa910): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'rx-0' (ffff88808faaa910): auto cleanup kobject_del
kobject: 'rx-0' (ffff88808faaa910): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (ffff88809504e598): kobject_cleanup, parent ffff888099663348
kobject: 'tx-0' (ffff88809504e598): auto cleanup 'remove' event
kobject: 'tx-0' (ffff88809504e598): kobject_uevent_env
kobject: 'tx-0' (ffff88809504e598): kobject_uevent_env: uevent_suppress
caused the event to drop!
kobject: 'tx-0' (ffff88809504e598): auto cleanup kobject_del
kobject: 'tx-0' (ffff88809504e598): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (ffff888099663348): kobject_cleanup, parent
(null)
kobject: 'queues' (ffff888099663348): calling ktype release
kobject: 'queues' (ffff888099663348): kset_release
kobject: 'queues': free name
kobject: 'tunl0' (ffff888091d0aff0

---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.

syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.

[syzbot]

syzbot has found a reproducer for the following crash on:

HEAD commit: f6e27dbb Linux 4.14.146
git tree: linux-4.14.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1443a02d600000
kernel config: https://syzkaller.appspot.com/x/.config?x=cb75afefe94a0801

dashboard link: https://syzkaller.appspot.com/bug?extid=5384e4fa4aa4361bfcc4
compiler: gcc (GCC) 9.0.0 20181231 (experimental)

syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11165d43600000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11784305600000

IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+5384e4...@syzkaller.appspotmail.com

random: sshd: uninitialized urandom read (32 bytes read)
audit: type=1400 audit(1570029274.644:36): avc: denied { map } for
pid=6930 comm="syz-executor599" path="/root/syz-executor599884977"
dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023
tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1

======================================================
WARNING: possible circular locking dependency detected

4.14.146 #0 Not tainted
------------------------------------------------------
kworker/u4:2/126 is trying to acquire lock:
(sk_lock-AF_INET){+.+.}, at: [<ffffffff8599c16e>] lock_sock
include/net/sock.h:1462 [inline]
(sk_lock-AF_INET){+.+.}, at: [<ffffffff8599c16e>] strp_sock_lock+0x2e/0x40

net/strparser/strparser.c:451

but task is already holding lock:

((&strp->work)){+.+.}, at: [<ffffffff813ce96b>]

2 locks held by kworker/u4:2/126:
#0: ("%s""kstrp"){+.+.}, at: [<ffffffff813ce92e>] work_static
include/linux/workqueue.h:199 [inline]
#0: ("%s""kstrp"){+.+.}, at: [<ffffffff813ce92e>] set_work_data
kernel/workqueue.c:619 [inline]
#0: ("%s""kstrp"){+.+.}, at: [<ffffffff813ce92e>]
set_work_pool_and_clear_pending kernel/workqueue.c:646 [inline]
#0: ("%s""kstrp"){+.+.}, at: [<ffffffff813ce92e>]
process_one_work+0x76e/0x1600 kernel/workqueue.c:2085
#1: ((&strp->work)){+.+.}, at: [<ffffffff813ce96b>]

process_one_work+0x7ab/0x1600 kernel/workqueue.c:2089

stack backtrace:

CPU: 1 PID: 126 Comm: kworker/u4:2 Not tainted 4.14.146 #0

Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Workqueue: kstrp strp_work
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]

dump_stack+0x138/0x197 lib/dump_stack.c:53