INFO: task syz-executor.5:9083 blocked for more than 143 seconds.
      Not tainted 5.3.0-rc2+ #87
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5  D24904  9083  10431 0xa0024000
Call Trace:
 context_switch kernel/sched/core.c:3254 [inline]
 __schedule+0x755/0x1580 kernel/sched/core.c:3880
 schedule+0xa8/0x270 kernel/sched/core.c:3944
 schedule_timeout+0x717/0xc50 kernel/time/timer.c:1783
 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+0x29c/0x440 kernel/sched/completion.c:136
 exit_aio+0x321/0x3a0 fs/aio.c:895
 __mmput kernel/fork.c:1061 [inline]
 mmput+0xcf/0x4d0 kernel/fork.c:1085
 exit_mm kernel/exit.c:547 [inline]
 do_exit+0x84e/0x2e50 kernel/exit.c:866
 do_group_exit+0x135/0x360 kernel/exit.c:983
 get_signal+0x47c/0x2500 kernel/signal.c:2729
 do_signal+0x87/0x1700 arch/x86/kernel/signal.c:815
 exit_to_usermode_loop+0x286/0x380 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:194 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:274 [inline]
 do_syscall_32_irqs_on arch/x86/entry/common.c:347 [inline]
 do_fast_syscall_32+0xb87/0xdb3 arch/x86/entry/common.c:403
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f3c9c9
Code: Bad RIP value.
RSP: 002b:00000000f5d380cc EFLAGS: 00000296 ORIG_RAX: 00000000000000f8
RAX: 0000000000000001 RBX: 00000000f5d17000 RCX: 0000000000000246
RDX: 0000000020001540 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 1013 Comm: khungtaskd Not tainted 5.3.0-rc2+ #87
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
 nmi_cpu_backtrace.cold+0x70/0xb2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x23b/0x28b 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:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline]
 watchdog+0x9d0/0xef0 kernel/hung_task.c:289
 kthread+0x361/0x430 kernel/kthread.c:255
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0-rc2+ #87
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:trace_hardirqs_on+0x4e/0x240 kernel/trace/trace_preemptirq.c:28
Code: fa ff 85 db 74 2f e8 f1 83 fa ff 31 ff 65 8b 1d 90 e2 89 7e 81 e3 00 00 10 00 89 de e8 5b 85 fa ff 85 db 74 2d e8 d2 83 fa ff <65> c7 05 97 e1 8a 7e 00 00 00 00 e8 c2 83 fa ff 48 8b 7d 08 e8 c9
RSP: 0018:ffff8880a98dfc38 EFLAGS: 00000012
RAX: ffff8880a98c6340 RBX: 0000000000000000 RCX: ffffffff81781b85
RDX: 0000000040000000 RSI: ffffffff81781b8e RDI: 0000000000000005
RBP: ffff8880a98dfc68 R08: ffff8880a98c6340 R09: ffffed1015d26ad1
R10: ffffed1015d26ad0 R11: ffff8880ae935683 R12: ffff8880ae935680
R13: ffffffff814ec977 R14: ffffffff873dbfe8 R15: 0000000000000402
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000001578200 CR3: 000000008bee9000 CR4: 00000000001426e0
Call Trace:
 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline]
 _raw_spin_unlock_irq+0x28/0x90 kernel/locking/spinlock.c:199
 finish_lock_switch kernel/sched/core.c:3004 [inline]
 finish_task_switch+0x147/0x720 kernel/sched/core.c:3104
 context_switch kernel/sched/core.c:3257 [inline]
 __schedule+0x75d/0x1580 kernel/sched/core.c:3880
 schedule_idle+0x58/0x90 kernel/sched/core.c:3972
 do_idle+0x34d/0x760 kernel/sched/idle.c:287
 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:354
 start_secondary+0x315/0x430 arch/x86/kernel/smpboot.c:264
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:241