INFO: task syz-executor.1:26828 blocked for more than 144 seconds.
      Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:27912 pid:26828 ppid:3633   flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5191 [inline]
 __schedule+0xae9/0x53f0 kernel/sched/core.c:6503
 schedule+0xda/0x1b0 kernel/sched/core.c:6579
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0xa44/0x1350 kernel/locking/mutex.c:747
 io_uring_del_tctx_node+0x110/0x2b6 io_uring/tctx.c:169
 io_uring_clean_tctx+0xce/0x174 io_uring/tctx.c:185
 io_uring_cancel_generic+0x5aa/0x602 io_uring/io_uring.c:3015
 io_uring_files_cancel include/linux/io_uring.h:51 [inline]
 do_exit+0x533/0x2a20 kernel/exit.c:775
 do_group_exit+0xd0/0x2a0 kernel/exit.c:950
 get_signal+0x21a1/0x2430 kernel/signal.c:2858
 arch_do_signal_or_restart+0x82/0x2300 arch/x86/kernel/signal.c:869
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x15f/0x250 kernel/entry/common.c:203
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:296
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f8cc2c8b5a9
RSP: 002b:00007f8cc3ac9218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f8cc2dabf88 RCX: 00007f8cc2c8b5a9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f8cc2dabf88
RBP: 00007f8cc2dabf80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8cc2dabf8c
R13: 00007ffdb995ea2f R14: 00007f8cc3ac9300 R15: 0000000000022000
 </TASK>
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 27 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x32f/0x3c0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
 watchdog+0xc71/0xfc0 kernel/hung_task.c:377
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 26831 Comm: iou-sqp-26828 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:native_apic_mem_write+0x8/0x10 arch/x86/include/asm/apic.h:108
Code: 00 00 be 01 00 00 00 e9 f6 5f 2f 00 66 0f 1f 44 00 00 b8 01 00 00 00 c3 cc cc cc cc cc cc cc cc cc cc 89 ff 89 b7 00 c0 5f ff <c3> 0f 1f 80 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 53 89 fb 48
RSP: 0018:ffffc90000007eb0 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: ffffffff8b99aaa0 RCX: 0000000000000020
RDX: 1ffffffff1733556 RSI: 000000000005a8c5 RDI: 0000000000000380
RBP: ffff8880b9a27200 R08: 0000000000000005 R09: 000000000000003f
R10: 0000000000000020 R11: 0000000000000001 R12: 000000000005a8c5
R13: 0000000000000020 R14: 0000000000000000 R15: ffff8880b9a2a540
FS:  00007f8cc3ac9700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557183848 CR3: 000000007c986000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 apic_write arch/x86/include/asm/apic.h:394 [inline]
 lapic_next_event+0x4d/0x80 arch/x86/kernel/apic/apic.c:479
 clockevents_program_event+0x254/0x370 kernel/time/clockevents.c:334
 tick_program_event+0xac/0x140 kernel/time/tick-oneshot.c:44
 hrtimer_interrupt+0x36e/0x790 kernel/time/hrtimer.c:1824
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1096 [inline]
 __sysvec_apic_timer_interrupt+0x17c/0x640 arch/x86/kernel/apic/apic.c:1113
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1107
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x7/0x60 kernel/kcov.c:207
Code: 34 00 5d be 03 00 00 00 e9 d6 8e 87 02 66 0f 1f 44 00 00 48 8b be a8 01 00 00 e8 b4 ff ff ff 31 c0 c3 90 65 8b 05 b9 d2 85 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 80 6f 02 00 a9
RSP: 0018:ffffc900052dfac0 EFLAGS: 00000282
RAX: 0000000080000000 RBX: ffff888093e93280 RCX: 0000000000000000
RDX: 1ffff110127d2650 RSI: ffffffff83fc6c7a RDI: 0000000000000005
RBP: 000000000004001a R08: 0000000000000005 R09: 0000000000000000
R10: 000000000004001a R11: 000000000008c07e R12: 000000000004001a
R13: ffff88803a2b6000 R14: ffff88801c105b80 R15: ffff888093e93350
 file_inode include/linux/fs.h:1333 [inline]
 io_prep_async_work+0x277/0x6e0 io_uring/io_uring.c:422
 io_prep_async_link+0x71/0x150 io_uring/io_uring.c:441
 io_queue_iowq+0xf9/0x5b0 io_uring/io_uring.c:454
 io_queue_async+0x45f/0x940 io_uring/io_uring.c:1897
 io_queue_sqe io_uring/io_uring.c:1921 [inline]
 io_req_task_submit+0x1c0/0x220 io_uring/io_uring.c:1259
 handle_tw_list+0xa8/0x420 io_uring/io_uring.c:1037
 tctx_task_work+0x11b/0x4a0 io_uring/io_uring.c:1090
 task_work_run+0x16b/0x270 kernel/task_work.c:179
 io_run_task_work io_uring/io_uring.h:245 [inline]
 io_run_task_work io_uring/io_uring.h:239 [inline]
 io_sq_thread+0x89b/0xf60 io_uring/sqpoll.c:255
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>