INFO: task syz-executor.3:9721 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.3  state:D stack:21744 pid: 9721 ppid:  6535 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:9877
 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: 0033:0x7f3c504b2ae9
RSP: 002b:00007f3c4da28218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f3c505c5f68 RCX: 00007f3c504b2ae9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f3c505c5f68
RBP: 00007f3c505c5f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3c505c5f6c
R13: 00007ffc3537309f R14: 00007f3c4da28300 R15: 0000000000022000
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/26:
 #0: ffffffff8cb1dd40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30

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

NMI backtrace for cpu 0
CPU: 0 PID: 26 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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 6187 Comm: rs:main Q:Reg Not tainted 5.16.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0033:0x7fb8144b9168
Code: c0 c5 fe 7f 74 17 a0 c5 fe 7f 7c 17 80 c5 f8 77 c3 c5 fe 6f 06 c5 fe 6f 4e 20 c5 fe 6f 54 16 e0 c5 fe 6f 5c 16 c0 c5 fe 7f 07 <c5> fe 7f 4f 20 c5 fe 7f 54 17 e0 c5 fe 7f 5c 17 c0 c5 f8 77 c3 48
RSP: 002b:00007fb81291ea48 EFLAGS: 00000287
RAX: 00007fb804022ff3 RBX: 0000000000000064 RCX: 0000000000000000
RDX: 0000000000000064 RSI: 00007fb804003400 RDI: 00007fb804022ff3
RBP: 00007fb804003400 R08: 000055b6540c0e10 R09: 0000000000000000
R10: 000055b653a97280 R11: 0000000000000000 R12: 0000000000000064
R13: 00007fb8040227f0 R14: 0000000000000064 R15: 0000000000000016
FS:  00007fb81291f700 GS:  0000000000000000