INFO: task syz-executor.3:14168 blocked for more than 143 seconds. Not tainted 5.17.0-next-20220328 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.3 state:D stack:27936 pid:14168 ppid: 303 flags:0x00004004 Call Trace: <TASK> __schedule+0x88d/0x2450 schedule+0xd2/0x1f0 schedule_preempt_disabled+0xf/0x20 __mutex_lock+0xb7e/0x1480 io_uring_del_tctx_node+0x10b/0x24d io_uring_cancel_generic+0x5bd/0x68f do_exit+0x4f1/0x27e0 do_group_exit+0xd2/0x2f0 get_signal+0x2303/0x2350 arch_do_signal_or_restart+0x88/0x1a40 exit_to_user_mode_prepare+0x131/0x1a0 syscall_exit_to_user_mode+0x19/0x50 do_syscall_64+0x48/0x90 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f7e5487cb19 RSP: 002b:00007f7e51df2218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f7e5498ff68 RCX: 00007f7e5487cb19 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7e5498ff68 RBP: 00007f7e5498ff60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7e5498ff6c R13: 00007fffa39f8f4f R14: 00007f7e51df2300 R15: 0000000000022000 </TASK> INFO: task syz-executor.3:14182 can't die for more than 143 seconds. task:syz-executor.3 state:R running task stack:25632 pid:14182 ppid: 303 flags:0x00004006 Call Trace: <TASK> </TASK> Showing all locks held in the system: 1 lock held by khungtaskd/24: #0: ffffffff85201dc0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 1 lock held by in:imklog/190: 3 locks held by rs:main Q:Reg/191: 1 lock held by syz-executor.3/14168: #0: ffff88801872f0a8 (&ctx->uring_lock){+.+.}-{3:3}, at: io_uring_del_tctx_node+0x10b/0x24d 3 locks held by syz-executor.3/14182: =============================================