xt_nfacct: accounting object `syz0' does not exists
INFO: task syz-executor2:6570 blocked for more than 140 seconds.
      Not tainted 4.19.0-rc5+ #123
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor2   D25600  6570   5858 0x00000006
Call Trace:
 context_switch kernel/sched/core.c:2825 [inline]
 __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473
 schedule+0xfe/0x460 kernel/sched/core.c:3517
 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1780
 do_wait_for_common kernel/sched/completion.c:83 [inline]
 __wait_for_common kernel/sched/completion.c:104 [inline]
 wait_for_common kernel/sched/completion.c:115 [inline]
 wait_for_completion+0x427/0x8a0 kernel/sched/completion.c:136
 crypto_wait_req include/linux/crypto.h:517 [inline]
 tls_do_encryption net/tls/tls_sw.c:193 [inline]
 tls_push_record+0xf96/0x1480 net/tls/tls_sw.c:228
 tls_sw_sendmsg+0xbfd/0x1310 net/tls/tls_sw.c:426
 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:621 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:631
 __sys_sendto+0x3d7/0x670 net/socket.c:1788
 __do_sys_sendto net/socket.c:1800 [inline]
 __se_sys_sendto net/socket.c:1796 [inline]
 __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1796
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457579
Code: Bad RIP value.
RSP: 002b:00007f03ee9f4c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000457579
RDX: 000000002039a751 RSI: 00000000200005c0 RDI: 0000000000000003
RBP: 000000000072bfa0 R08: 0000000020000000 R09: 000000000000001c
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f03ee9f56d4
R13: 00000000004c3935 R14: 00000000004d57d8 R15: 00000000ffffffff
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 982 Comm: khungtaskd Not tainted 4.19.0-rc5+ #123
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62
 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
 trigger_all_cpu_backtrace include/linux/nmi.h:144 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:204 [inline]
 watchdog+0xb3e/0x1050 kernel/hung_task.c:265
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
Sending NMI from CPU 1 to CPUs 0:
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.316 msecs
NMI backtrace for cpu 0
CPU: 0 PID: 13160 Comm: kworker/0:1 Not tainted 4.19.0-rc5+ #123
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events rht_deferred_worker
RIP: 0010:kasan_check_read+0x1/0x20 mm/kasan/kasan.c:271
Code: 00 74 e9 48 89 d8 e9 26 ff ff ff 49 0f be 02 41 83 e3 07 49 39 c3 0f 8c 1a ff ff ff eb 94 48 89 c3 eb a2 4c 89 c8 eb 85 90 55 <89> f6 31 d2 48 89 e5 48 8b 4d 08 e8 3f fe ff ff 5d c3 0f 1f 00 66
RSP: 0018:ffff8801dae07400 EFLAGS: 00000086
RAX: ffff8801dae2c340 RBX: ffff8801dae07458 RCX: ffffffff815087c7
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8801dae2c700
RBP: ffff8801dae07540 R08: ffff8801bda98000 R09: fffffbfff1742bf4
R10: fffffbfff1742bf4 R11: ffffffff8ba15fa7 R12: ffff8801dae07518
R13: ffff8801dae2c700 R14: ffff8801dae2c390 R15: ffffffff8ba15fa8
FS:  0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000706158 CR3: 000000000926a000 CR4: 00000000001406f0
Call Trace:
 <IRQ>
 __queue_work+0x69b/0x1440 kernel/workqueue.c:1461
 delayed_work_timer_fn+0x5d/0x90 kernel/workqueue.c:1500
 call_timer_fn+0x272/0x920 kernel/time/timer.c:1326
 expire_timers kernel/time/timer.c:1359 [inline]
 __run_timers+0x723/0xc70 kernel/time/timer.c:1682
 run_timer_softirq+0x88/0xb0 kernel/time/timer.c:1697
 __do_softirq+0x30b/0xad8 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x17f/0x1c0 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0x1cb/0x760 arch/x86/kernel/apic/apic.c:1056
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:864
 </IRQ>
RIP: 0010:preempt_count_sub+0xa/0x150 kernel/sched/core.c:3218
Code: e8 8b c0 6c 00 48 8b 85 18 ff ff ff 48 8b 95 20 ff ff ff e9 63 fb ff ff 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df <55> 48 89 e5 53 89 fb 48 c7 c7 20 cb ed 8a 48 89 fa 48 c1 ea 03 0f
RSP: 0018:ffff8801756570f8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff87af3ef1
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffff880175657490 R08: fffffbfff13eb1d9 R09: fffffbfff13eb1d8
R10: fffffbfff13eb1d8 R11: ffffffff89f58ec7 R12: dffffc0000000000
R13: ffff8801bda98000 R14: ffff8801bda98000 R15: ffffffff89f58ec0
 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087
 rht_deferred_worker+0xec/0x1de0 lib/rhashtable.c:407
 process_one_work+0xc90/0x1b90 kernel/workqueue.c:2153
 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296
 kthread+0x35a/0x420 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413