INFO: task syz-executor.2:20942 blocked for more than 143 seconds.
      Not tainted 5.14.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:26776 pid:20942 ppid:  8434 flags:0x00004002
Call Trace:
 context_switch kernel/sched/core.c:4940 [inline]
 __schedule+0xbfd/0x11d0 kernel/sched/core.c:6287
 schedule+0x14b/0x210 kernel/sched/core.c:6366
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6425
 __mutex_lock_common+0xcff/0x2630 kernel/locking/mutex.c:669
 __mutex_lock kernel/locking/mutex.c:729 [inline]
 mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:743
 __pipe_lock fs/pipe.c:102 [inline]
 pipe_release+0x4d/0x310 fs/pipe.c:717
 __fput+0x3fe/0x870 fs/file_table.c:280
 task_work_run+0x146/0x1c0 kernel/task_work.c:164
 exit_task_work include/linux/task_work.h:32 [inline]
 do_exit+0x6fc/0x2580 kernel/exit.c:825
 do_group_exit+0x168/0x2d0 kernel/exit.c:922
 get_signal+0x16b0/0x2080 kernel/signal.c:2868
 arch_do_signal_or_restart+0x8e/0x6d0 arch/x86/kernel/signal.c:865
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
 exit_to_user_mode_prepare+0x191/0x220 kernel/entry/common.c:209
 irqentry_exit_to_user_mode+0x6/0x40 kernel/entry/common.c:315
 exc_general_protection+0x222/0x370 arch/x86/kernel/traps.c:531
 asm_exc_general_protection+0x1e/0x30
RIP: 0033:0x466601
RSP: 002b:00000000200000c0 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 000000000056c038 RCX: 00000000004665f9
RDX: 0000000020000140 RSI: 00000000200000c0 RDI: 0000000000000000
RBP: 00000000004bfcc4 R08: 00000000200001c0 R09: 0000000000000000
R10: 0000000020000180 R11: 0000000000000246 R12: 000000000056c038
R13: 00007ffe3fe62b6f R14: 00007fd8a1aad300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 1639 Comm: khungtaskd Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1ae/0x29f lib/dump_stack.c:105
 nmi_cpu_backtrace+0x405/0x430 lib/nmi_backtrace.c:105
 nmi_trigger_cpumask_backtrace+0x191/0x2f0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
 watchdog+0xc54/0xca0 kernel/hung_task.c:295
 kthread+0x453/0x480 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 8422 Comm: kworker/u4:1 Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue:  0x0 (phy11)
RIP: 0010:__cpu_to_node+0x2/0xe0 arch/x86/mm/numa.c:825
Code: 00 b8 14 00 00 00 0f 44 c1 5b 41 5e 5d c3 89 d9 80 e1 07 38 c1 7c ce 48 89 df e8 a9 de 8f 00 eb c4 0f 1f 80 00 00 00 00 41 57 <41> 56 53 89 fb 49 bf 00 00 00 00 00 fc ff df e8 1a af 45 00 48 83
RSP: 0018:ffffc90003707a88 EFLAGS: 00000046
RAX: 1ffff11011c2ba00 RBX: 00000000ffffffff RCX: 0000000000000326
RDX: ffff8880b9d314c0 RSI: ffff88808e15d640 RDI: 0000000000000001
RBP: ffff88808e15d5c8 R08: ffff88808e15d640 R09: fffffbfff1bb8166
R10: fffffbfff1bb8166 R11: 0000000000000000 R12: ffff8880b9d31580
R13: dffffc0000000000 R14: ffff8880b9d314c0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5bc2ad0000 CR3: 0000000021c5e000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 task_node include/linux/sched/topology.h:271 [inline]
 account_numa_dequeue kernel/sched/fair.c:1203 [inline]
 account_entity_dequeue kernel/sched/fair.c:3006 [inline]
 dequeue_entity+0x4a3/0xcd0 kernel/sched/fair.c:4412
 dequeue_task_fair+0x27f/0x1350 kernel/sched/fair.c:5716
 dequeue_task kernel/sched/core.c:1996 [inline]
 deactivate_task kernel/sched/core.c:2010 [inline]
 __schedule+0x516/0x11d0 kernel/sched/core.c:6241
 schedule+0x14b/0x210 kernel/sched/core.c:6366
 worker_thread+0xfd5/0x1320 kernel/workqueue.c:2465
 kthread+0x453/0x480 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30
----------------
Code disassembly (best guess):
   0:	00 b8 14 00 00 00    	add    %bh,0x14(%rax)
   6:	0f 44 c1             	cmove  %ecx,%eax
   9:	5b                   	pop    %rbx
   a:	41 5e                	pop    %r14
   c:	5d                   	pop    %rbp
   d:	c3                   	retq
   e:	89 d9                	mov    %ebx,%ecx
  10:	80 e1 07             	and    $0x7,%cl
  13:	38 c1                	cmp    %al,%cl
  15:	7c ce                	jl     0xffffffe5
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 a9 de 8f 00       	callq  0x8fdec8
  1f:	eb c4                	jmp    0xffffffe5
  21:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  28:	41 57                	push   %r15
* 2a:	41 56                	push   %r14 <-- trapping instruction
  2c:	53                   	push   %rbx
  2d:	89 fb                	mov    %edi,%ebx
  2f:	49 bf 00 00 00 00 00 	movabs $0xdffffc0000000000,%r15
  36:	fc ff df
  39:	e8 1a af 45 00       	callq  0x45af58
  3e:	48                   	rex.W
  3f:	83                   	.byte 0x83