INFO: task syz-executor.5:25575 blocked for more than 143 seconds.
      Not tainted 5.16.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:22064 pid:25575 ppid:  8060 flags:0x00024004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4972 [inline]
 __schedule+0xb72/0x1460 kernel/sched/core.c:6253
 schedule+0x12b/0x1f0 kernel/sched/core.c:6326
 io_uring_cancel_generic+0x5b3/0x661 fs/io_uring.c:9846
 io_uring_files_cancel include/linux/io_uring.h:16 [inline]
 do_exit+0x281/0x24f0 kernel/exit.c:787
 do_group_exit+0x168/0x2d0 kernel/exit.c:929
 get_signal+0x1740/0x2120 kernel/signal.c:2852
 arch_do_signal_or_restart+0x9c/0x730 arch/x86/kernel/signal.c:868
 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:207
 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
 syscall_exit_to_user_mode+0x2e/0x70 kernel/entry/common.c:300
 do_syscall_64+0x53/0xd0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f738db5bae9
RSP: 002b:00007f738b0d1218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00007f738dc6ef68 RCX: 00007f738db5bae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f738dc6ef68
RBP: 00007f738dc6ef60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f738dc6ef6c
R13: 00007ffd65e6914f R14: 00007f738b0d1300 R15: 0000000000022000
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8cb1dd40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
1 lock held by in:imklog/6218:
 #0: ffff88807ba8c370 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x24e/0x2f0 fs/file.c:990
5 locks held by kworker/u4:6/8819:

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.16.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1dc/0x2d8 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x45f/0x490 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x16a/0x280 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+0xc82/0xcd0 kernel/hung_task.c:295
 kthread+0x468/0x490 kernel/kthread.c:327
 ret_from_fork+0x1f/0x30
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2970 Comm: systemd-journal Not tainted 5.16.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:tomoyo_cred_prepare+0x0/0x190 security/tomoyo/tomoyo.c:38
Code: 5d 41 5e 41 5f 5d c3 44 89 e1 80 e1 07 fe c1 38 c1 0f 8c 67 ff ff ff 4c 89 e7 e8 1b d4 f1 fd e9 5a ff ff ff 66 0f 1f 44 00 00 <55> 41 57 41 56 41 55 41 54 53 48 bd 00 00 00 00 00 fc ff df e8 a7
RSP: 0018:ffffc90001d5fd98 EFLAGS: 00000246
RAX: 1ffffffff18b7ddd RBX: ffffffff8c5beed0 RCX: ffff88807a593a00
RDX: 0000000000400cc0 RSI: ffff88807a6e4300 RDI: ffff88801cdd5300
RBP: ffffffff8c5beee8 R08: ffffffff83d85121 R09: ffffc90001d5fb2c
R10: fffffbfff1bfd166 R11: 0000000000000000 R12: ffff88807a6e4300
R13: ffff88801cdd5300 R14: dffffc0000000000 R15: 0000000000400cc0
FS:  00007f5d5ad2f8c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5d58246000 CR3: 000000007a6f3000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 security_prepare_creds+0xc6/0x220 security/security.c:1697
 prepare_creds+0x452/0x640 kernel/cred.c:291
 access_override_creds fs/open.c:351 [inline]
 do_faccessat+0xec/0x940 fs/open.c:415
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f5d59fea9c7
Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48
RSP: 002b:00007fff80b0b708 EFLAGS: 00000246 ORIG_RAX: 0000000000000015
RAX: ffffffffffffffda RBX: 00007fff80b0e730 RCX: 00007f5d59fea9c7
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055d79a8889a3
RBP: 00007fff80b0b850 R08: 000055d79a87e3e5 R09: 0000000000000018
R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 000055d79ae218a0 R15: 00007fff80b0bd40
 </TASK>
----------------
Code disassembly (best guess):
   0:	5d                   	pop    %rbp
   1:	41 5e                	pop    %r14
   3:	41 5f                	pop    %r15
   5:	5d                   	pop    %rbp
   6:	c3                   	retq
   7:	44 89 e1             	mov    %r12d,%ecx
   a:	80 e1 07             	and    $0x7,%cl
   d:	fe c1                	inc    %cl
   f:	38 c1                	cmp    %al,%cl
  11:	0f 8c 67 ff ff ff    	jl     0xffffff7e
  17:	4c 89 e7             	mov    %r12,%rdi
  1a:	e8 1b d4 f1 fd       	callq  0xfdf1d43a
  1f:	e9 5a ff ff ff       	jmpq   0xffffff7e
  24:	66 0f 1f 44 00 00    	nopw   0x0(%rax,%rax,1)
* 2a:	55                   	push   %rbp <-- trapping instruction
  2b:	41 57                	push   %r15
  2d:	41 56                	push   %r14
  2f:	41 55                	push   %r13
  31:	41 54                	push   %r12
  33:	53                   	push   %rbx
  34:	48 bd 00 00 00 00 00 	movabs $0xdffffc0000000000,%rbp
  3b:	fc ff df
  3e:	e8                   	.byte 0xe8
  3f:	a7                   	cmpsl  %es:(%rdi),%ds:(%rsi)