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BUG: sleeping function called from invalid context in lock_sock_nested (2)

Status: fixed on 2020/03/04 10:17
Reported-by: syzbot+4ebce25708032dc99ff1@syzkaller.appspotmail.com
Fix commit: 713ff7e4d605 crypto: af_alg - Use bh_lock_sock in sk_destruct
First crash: 1831d, last: 1771d
Fix bisection: fixed by (bisect log) :
commit 713ff7e4d605c4dd1efd838e3f0092cd93733f0c
Author: Herbert Xu <herbert@gondor.apana.org.au>
Date: Thu Dec 5 05:45:05 2019 +0000

  crypto: af_alg - Use bh_lock_sock in sk_destruct

  
▶ ▼ Similar bugs (9)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 BUG: sleeping function called from invalid context in lock_sock_nested (2) C done 3909 1184d 1277d 1/1 fixed on 2021/10/12 13:38
upstream BUG: sleeping function called from invalid context in lock_sock_nested (2) bluetooth C done error 19391 1216d 1751d 20/28 fixed on 2021/11/10 13:22
linux-4.14 BUG: sleeping function called from invalid context in lock_sock_nested 1 1987d 1986d 0/1 auto-closed as invalid on 2019/10/30 11:24
linux-4.19 BUG: sleeping function called from invalid context in lock_sock_nested syz done 1 1801d 1831d 1/1 fixed on 2020/02/05 13:33
linux-6.1 BUG: sleeping function called from invalid context in lock_sock_nested 7 142d 163d 0/3 auto-obsoleted due to no activity on 2024/10/28 05:57
upstream BUG: sleeping function called from invalid context in lock_sock_nested bpf net C 1232 1755d 1831d 15/28 fixed on 2020/02/18 14:31
linux-4.14 BUG: sleeping function called from invalid context in lock_sock_nested (3) syz error 144 771d 1277d 0/1 upstream: reported syz repro on 2021/06/10 20:33
upstream BUG: sleeping function called from invalid context in lock_sock_nested (3) bluetooth C inconclusive 83 2h36m 209d 0/28 upstream: reported C repro on 2024/05/13 12:58
linux-5.15 BUG: sleeping function called from invalid context in lock_sock_nested origin:upstream missing-backport C error 22 49d 163d 0/3 upstream: reported C repro on 2024/06/29 07:50
▶ ▼ Fix bisection attempts (3)
Created Duration User Patch Repo Result
2020/03/04 03:47 3h24m bisect fix linux-4.14.y OK (1) job log
2020/02/03 03:21 26m bisect fix linux-4.14.y OK (0) job log log
2020/01/04 00:20 25m bisect fix linux-4.14.y OK (0) job log log

Sample crash report:
IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
8021q: adding VLAN 0 to HW filter on device batadv0
IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
BUG: sleeping function called from invalid context at net/core/sock.c:2761
in_atomic(): 1, irqs_disabled(): 0, pid: 7, name: ksoftirqd/0
1 lock held by ksoftirqd/0/7:
 #0:  (rcu_callback){....}, at: [<ffffffff814e5e13>] __rcu_reclaim kernel/rcu/rcu.h:185 [inline]
 #0:  (rcu_callback){....}, at: [<ffffffff814e5e13>] rcu_do_batch kernel/rcu/tree.c:2699 [inline]
 #0:  (rcu_callback){....}, at: [<ffffffff814e5e13>] invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
 #0:  (rcu_callback){....}, at: [<ffffffff814e5e13>] __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
 #0:  (rcu_callback){....}, at: [<ffffffff814e5e13>] rcu_process_callbacks+0x893/0x12b0 kernel/rcu/tree.c:2946
Preemption disabled at:
[<ffffffff86a000e7>] __do_softirq+0xe7/0x9a0 kernel/softirq.c:265
CPU: 0 PID: 7 Comm: ksoftirqd/0 Not tainted 4.14.157-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x142/0x197 lib/dump_stack.c:58
 ___might_sleep.cold+0x1bd/0x1f6 kernel/sched/core.c:6040
 __might_sleep+0x93/0xb0 kernel/sched/core.c:5993
 lock_sock_nested+0x37/0x110 net/core/sock.c:2761
 lock_sock include/net/sock.h:1462 [inline]
 af_alg_release_parent+0x149/0x210 crypto/af_alg.c:142
 hash_sock_destruct+0x164/0x1c0 crypto/algif_hash.c:432
 __sk_destruct+0x4f/0x650 net/core/sock.c:1556
 __rcu_reclaim kernel/rcu/rcu.h:195 [inline]
 rcu_do_batch kernel/rcu/tree.c:2699 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
 __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
 rcu_process_callbacks+0x7b8/0x12b0 kernel/rcu/tree.c:2946
 __do_softirq+0x244/0x9a0 kernel/softirq.c:288
 run_ksoftirqd kernel/softirq.c:670 [inline]
 run_ksoftirqd+0x8c/0x1b0 kernel/softirq.c:662
 smpboot_thread_fn+0x5f4/0x960 kernel/smpboot.c:164
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404

================================
WARNING: inconsistent lock state
4.14.157-syzkaller #0 Tainted: G        W      
--------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
ksoftirqd/0/7 [HC0[0]:SC1[3]:HE1:SE0] takes:
 (sk_lock-AF_ALG){+.?.}, at: [<ffffffff82f2def9>] lock_sock include/net/sock.h:1462 [inline]
 (sk_lock-AF_ALG){+.?.}, at: [<ffffffff82f2def9>] af_alg_release_parent+0x149/0x210 crypto/af_alg.c:142
{SOFTIRQ-ON-W} state was registered at:
  mark_held_locks+0xb1/0x100 kernel/locking/lockdep.c:2850
  __trace_hardirqs_on_caller kernel/locking/lockdep.c:2879 [inline]
  trace_hardirqs_on_caller+0x400/0x590 kernel/locking/lockdep.c:2926
  trace_hardirqs_on+0xd/0x10 kernel/locking/lockdep.c:2933
  __local_bh_enable_ip+0x99/0x1a0 kernel/softirq.c:190
  local_bh_enable include/linux/bottom_half.h:32 [inline]
  lock_sock_nested+0xd4/0x110 net/core/sock.c:2771
  lock_sock include/net/sock.h:1462 [inline]
  alg_bind+0x229/0x4f0 crypto/af_alg.c:192
  SYSC_bind+0x1d3/0x220 net/socket.c:1489
  SyS_bind+0x24/0x30 net/socket.c:1475
  do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
  entry_SYSCALL_64_after_hwframe+0x42/0xb7
irq event stamp: 598206
hardirqs last  enabled at (598206): [<ffffffff86800979>] restore_regs_and_return_to_kernel+0x0/0x27
hardirqs last disabled at (598205): [<ffffffff86801b01>] apic_timer_interrupt+0x91/0xa0 arch/x86/entry/entry_64.S:792
softirqs last  enabled at (597462): [<ffffffff86a00645>] __do_softirq+0x645/0x9a0 kernel/softirq.c:314
softirqs last disabled at (597467): [<ffffffff8139043c>] run_ksoftirqd kernel/softirq.c:670 [inline]
softirqs last disabled at (597467): [<ffffffff8139043c>] run_ksoftirqd+0x8c/0x1b0 kernel/softirq.c:662

other info that might help us debug this:
 Possible unsafe locking scenario:

       CPU0
       ----
  lock(sk_lock-AF_ALG);
  <Interrupt>
    lock(sk_lock-AF_ALG);

 *** DEADLOCK ***

1 lock held by ksoftirqd/0/7:
 #0:  (rcu_callback){....}, at: [<ffffffff814e5e13>] __rcu_reclaim kernel/rcu/rcu.h:185 [inline]
 #0:  (rcu_callback){....}, at: [<ffffffff814e5e13>] rcu_do_batch kernel/rcu/tree.c:2699 [inline]
 #0:  (rcu_callback){....}, at: [<ffffffff814e5e13>] invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
 #0:  (rcu_callback){....}, at: [<ffffffff814e5e13>] __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
 #0:  (rcu_callback){....}, at: [<ffffffff814e5e13>] rcu_process_callbacks+0x893/0x12b0 kernel/rcu/tree.c:2946

stack backtrace:
CPU: 0 PID: 7 Comm: ksoftirqd/0 Tainted: G        W       4.14.157-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x142/0x197 lib/dump_stack.c:58
 print_usage_bug.cold+0x330/0x42a kernel/locking/lockdep.c:2585
 valid_state kernel/locking/lockdep.c:2598 [inline]
 mark_lock_irq kernel/locking/lockdep.c:2792 [inline]
 mark_lock+0xdbd/0x1240 kernel/locking/lockdep.c:3190
 mark_irqflags kernel/locking/lockdep.c:3068 [inline]
 __lock_acquire+0xb57/0x4620 kernel/locking/lockdep.c:3444
 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994
 lock_sock_nested+0xbd/0x110 net/core/sock.c:2770
 lock_sock include/net/sock.h:1462 [inline]
 af_alg_release_parent+0x149/0x210 crypto/af_alg.c:142
 hash_sock_destruct+0x164/0x1c0 crypto/algif_hash.c:432
 __sk_destruct+0x4f/0x650 net/core/sock.c:1556
 __rcu_reclaim kernel/rcu/rcu.h:195 [inline]
 rcu_do_batch kernel/rcu/tree.c:2699 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
 __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
 rcu_process_callbacks+0x7b8/0x12b0 kernel/rcu/tree.c:2946
 __do_softirq+0x244/0x9a0 kernel/softirq.c:288
 run_ksoftirqd kernel/softirq.c:670 [inline]
 run_ksoftirqd+0x8c/0x1b0 kernel/softirq.c:662
 smpboot_thread_fn+0x5f4/0x960 kernel/smpboot.c:164
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
BUG: sleeping function called from invalid context at net/core/sock.c:2761
in_atomic(): 1, irqs_disabled(): 0, pid: 17, name: ksoftirqd/1
INFO: lockdep is turned off.
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
Preemption disabled at:
[<ffffffff86a000e7>] __do_softirq+0xe7/0x9a0 kernel/softirq.c:265
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
CPU: 1 PID: 17 Comm: ksoftirqd/1 Tainted: G        W       4.14.157-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x142/0x197 lib/dump_stack.c:58
 ___might_sleep.cold+0x1bd/0x1f6 kernel/sched/core.c:6040
 __might_sleep+0x93/0xb0 kernel/sched/core.c:5993
 lock_sock_nested+0x37/0x110 net/core/sock.c:2761
 lock_sock include/net/sock.h:1462 [inline]
 af_alg_release_parent+0x149/0x210 crypto/af_alg.c:142
 hash_sock_destruct+0x164/0x1c0 crypto/algif_hash.c:432
 __sk_destruct+0x4f/0x650 net/core/sock.c:1556
 __rcu_reclaim kernel/rcu/rcu.h:195 [inline]
 rcu_do_batch kernel/rcu/tree.c:2699 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
 __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
 rcu_process_callbacks+0x7b8/0x12b0 kernel/rcu/tree.c:2946
 __do_softirq+0x244/0x9a0 kernel/softirq.c:288
 run_ksoftirqd kernel/softirq.c:670 [inline]
 run_ksoftirqd+0x8c/0x1b0 kernel/softirq.c:662
 smpboot_thread_fn+0x5f4/0x960 kernel/smpboot.c:164
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
BUG: sleeping function called from invalid context at net/core/sock.c:2761
in_atomic(): 1, irqs_disabled(): 0, pid: 7, name: ksoftirqd/0
INFO: lockdep is turned off.
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
Preemption disabled at:
[<ffffffff86a000e7>] __do_softirq+0xe7/0x9a0 kernel/softirq.c:265
CPU: 0 PID: 7 Comm: ksoftirqd/0 Tainted: G        W       4.14.157-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x142/0x197 lib/dump_stack.c:58
 ___might_sleep.cold+0x1bd/0x1f6 kernel/sched/core.c:6040
 __might_sleep+0x93/0xb0 kernel/sched/core.c:5993
 lock_sock_nested+0x37/0x110 net/core/sock.c:2761
 lock_sock include/net/sock.h:1462 [inline]
 af_alg_release_parent+0x149/0x210 crypto/af_alg.c:142
 hash_sock_destruct+0x164/0x1c0 crypto/algif_hash.c:432
 __sk_destruct+0x4f/0x650 net/core/sock.c:1556
 __rcu_reclaim kernel/rcu/rcu.h:195 [inline]
 rcu_do_batch kernel/rcu/tree.c:2699 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
 __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
 rcu_process_callbacks+0x7b8/0x12b0 kernel/rcu/tree.c:2946
 __do_softirq+0x244/0x9a0 kernel/softirq.c:288
 run_ksoftirqd kernel/softirq.c:670 [inline]
 run_ksoftirqd+0x8c/0x1b0 kernel/softirq.c:662
 smpboot_thread_fn+0x5f4/0x960 kernel/smpboot.c:164
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
BUG: sleeping function called from invalid context at net/core/sock.c:2761
in_atomic(): 1, irqs_disabled(): 0, pid: 7, name: ksoftirqd/0
INFO: lockdep is turned off.
Preemption disabled at:
[<ffffffff86a000e7>] __do_softirq+0xe7/0x9a0 kernel/softirq.c:265
CPU: 0 PID: 7 Comm: ksoftirqd/0 Tainted: G        W       4.14.157-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x142/0x197 lib/dump_stack.c:58
 ___might_sleep.cold+0x1bd/0x1f6 kernel/sched/core.c:6040
 __might_sleep+0x93/0xb0 kernel/sched/core.c:5993
 lock_sock_nested+0x37/0x110 net/core/sock.c:2761
 lock_sock include/net/sock.h:1462 [inline]
 af_alg_release_parent+0x149/0x210 crypto/af_alg.c:142
 hash_sock_destruct+0x164/0x1c0 crypto/algif_hash.c:432
 __sk_destruct+0x4f/0x650 net/core/sock.c:1556
 __rcu_reclaim kernel/rcu/rcu.h:195 [inline]
 rcu_do_batch kernel/rcu/tree.c:2699 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
 __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
 rcu_process_callbacks+0x7b8/0x12b0 kernel/rcu/tree.c:2946
 __do_softirq+0x244/0x9a0 kernel/softirq.c:288
 run_ksoftirqd kernel/softirq.c:670 [inline]
 run_ksoftirqd+0x8c/0x1b0 kernel/softirq.c:662
 smpboot_thread_fn+0x5f4/0x960 kernel/smpboot.c:164
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
BUG: sleeping function called from invalid context at net/core/sock.c:2761
in_atomic(): 1, irqs_disabled(): 0, pid: 17, name: ksoftirqd/1
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
INFO: lockdep is turned off.
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
Preemption disabled at:
[<ffffffff86a000e7>] __do_softirq+0xe7/0x9a0 kernel/softirq.c:265
CPU: 1 PID: 17 Comm: ksoftirqd/1 Tainted: G        W       4.14.157-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x142/0x197 lib/dump_stack.c:58
 ___might_sleep.cold+0x1bd/0x1f6 kernel/sched/core.c:6040
 __might_sleep+0x93/0xb0 kernel/sched/core.c:5993
 lock_sock_nested+0x37/0x110 net/core/sock.c:2761
 lock_sock include/net/sock.h:1462 [inline]
 af_alg_release_parent+0x149/0x210 crypto/af_alg.c:142
 hash_sock_destruct+0x164/0x1c0 crypto/algif_hash.c:432
 __sk_destruct+0x4f/0x650 net/core/sock.c:1556
 __rcu_reclaim kernel/rcu/rcu.h:195 [inline]
 rcu_do_batch kernel/rcu/tree.c:2699 [inline]
 invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
 __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
 rcu_process_callbacks+0x7b8/0x12b0 kernel/rcu/tree.c:2946
 __do_softirq+0x244/0x9a0 kernel/softirq.c:288
 run_ksoftirqd kernel/softirq.c:670 [inline]
 run_ksoftirqd+0x8c/0x1b0 kernel/softirq.c:662
 smpboot_thread_fn+0x5f4/0x960 kernel/smpboot.c:164
 kthread+0x319/0x430 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (ffff8880a40f4be0): kobject_uevent_env
kobject: 'loop0' (ffff8880a40f4be0): fill_kobj_path: path = '/devices/virtual/block/loop0'

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/12/05 00:20 linux-4.14.y fbc5fe7a54d0 b2088328 .config console log report syz ci2-linux-4-14
* Struck through repros no longer work on HEAD.