INFO: task syz-executor.4:7237 blocked for more than 143 seconds. Not tainted 5.10.52 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28688 pid: 7237 ppid: 440 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3776 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4525 schedule+0xcb/0x270 kernel/sched/core.c:4603 io_uring_cancel_files fs/io_uring.c:8676 [inline] io_uring_cancel_task_requests+0xbc1/0x1260 fs/io_uring.c:8743 __io_uring_files_cancel+0x110/0x1b0 fs/io_uring.c:8825 __io_uring_task_cancel+0x174/0x250 fs/io_uring.c:8881 io_uring_task_cancel include/linux/io_uring.h:46 [inline] bprm_execve+0x114/0x1b00 fs/exec.c:1789 do_execveat_common+0x621/0x7c0 fs/exec.c:1919 do_execveat fs/exec.c:1998 [inline] __do_sys_execveat fs/exec.c:2074 [inline] __se_sys_execveat fs/exec.c:2066 [inline] __x64_sys_execveat+0xed/0x130 fs/exec.c:2066 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x466609 RSP: 002b:00007fa7c1b89188 EFLAGS: 00000246 ORIG_RAX: 0000000000000142 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 0000000000466609 RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffffff RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffc2ff69f0f R14: 00007fa7c1b89300 R15: 0000000000022000 INFO: task syz-executor.4:7272 blocked for more than 143 seconds. Not tainted 5.10.52 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28496 pid: 7272 ppid: 440 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3776 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4525 schedule+0xcb/0x270 kernel/sched/core.c:4603 io_uring_cancel_files fs/io_uring.c:8676 [inline] io_uring_cancel_task_requests+0xbc1/0x1260 fs/io_uring.c:8743 __io_uring_files_cancel+0x110/0x1b0 fs/io_uring.c:8825 io_uring_files_cancel include/linux/io_uring.h:51 [inline] do_exit+0x2f6/0x2770 kernel/exit.c:766 do_group_exit+0x125/0x310 kernel/exit.c:908 get_signal+0x469/0x2200 kernel/signal.c:2758 arch_do_signal+0x88/0x1b70 arch/x86/kernel/signal.c:805 exit_to_user_mode_loop kernel/entry/common.c:161 [inline] exit_to_user_mode_prepare+0xf7/0x160 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x38/0x230 kernel/entry/common.c:266 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x466609 RSP: 002b:00007fa7c1b68218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000056c040 RCX: 0000000000466609 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056c040 RBP: 000000000056c038 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c044 R13: 00007ffc2ff69f0f R14: 00007fa7c1b68300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84df6660 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6377 1 lock held by in:imklog/397: 2 locks held by kworker/u4:8/503: #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:617 [inline] #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: ffff888007c61138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x8ac/0x1590 kernel/workqueue.c:2241 #1: ffff88802231fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x8df/0x1590 kernel/workqueue.c:2245 =============================================