INFO: task syz-executor.0:8960 blocked for more than 143 seconds. Not tainted 5.10.123 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:28688 pid: 8960 ppid: 284 flags:0x10000004 Call Trace: context_switch kernel/sched/core.c:3792 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4541 schedule+0xcb/0x270 kernel/sched/core.c:4619 __io_uring_task_cancel+0x1ae/0x250 fs/io_uring.c:8891 io_uring_task_cancel include/linux/io_uring.h:46 [inline] bprm_execve+0x114/0x1b00 fs/exec.c:1791 do_execveat_common+0x765/0x8c0 fs/exec.c:1937 do_execveat fs/exec.c:2018 [inline] __do_sys_execveat fs/exec.c:2094 [inline] __se_sys_execveat fs/exec.c:2086 [inline] __x64_sys_execveat+0xed/0x130 fs/exec.c:2086 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fcff36deb19 RSP: 002b:00007fcff0c54188 EFLAGS: 00000246 ORIG_RAX: 0000000000000142 RAX: ffffffffffffffda RBX: 00007fcff37f1f60 RCX: 00007fcff36deb19 RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffffff RBP: 00007fcff3738f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd6d51c0bf R14: 00007fcff0c54300 R15: 0000000000022000 INFO: task syz-executor.0:9005 blocked for more than 143 seconds. Not tainted 5.10.123 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:28688 pid: 9005 ppid: 284 flags:0x10000004 Call Trace: context_switch kernel/sched/core.c:3792 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4541 schedule+0xcb/0x270 kernel/sched/core.c:4619 __io_uring_task_cancel+0x1ae/0x250 fs/io_uring.c:8891 io_uring_task_cancel include/linux/io_uring.h:46 [inline] bprm_execve+0x114/0x1b00 fs/exec.c:1791 do_execveat_common+0x765/0x8c0 fs/exec.c:1937 do_execveat fs/exec.c:2018 [inline] __do_sys_execveat fs/exec.c:2094 [inline] __se_sys_execveat fs/exec.c:2086 [inline] __x64_sys_execveat+0xed/0x130 fs/exec.c:2086 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fcff36deb19 RSP: 002b:00007fcff0c33188 EFLAGS: 00000246 ORIG_RAX: 0000000000000142 RAX: ffffffffffffffda RBX: 00007fcff37f2020 RCX: 00007fcff36deb19 RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffffff RBP: 00007fcff3738f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd6d51c0bf R14: 00007fcff0c33300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/23: #0: ffffffff84df7460 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6389 1 lock held by in:imklog/178: 2 locks held by agetty/218: #0: ffff888017776098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266 #1: ffffc900007dd2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xf35/0x14c0 drivers/tty/n_tty.c:2208 2 locks held by kworker/u4:7/400: #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:2250 #1: ffff88801ac4fda8 ((work_completion)(&ctx->exit_work)){+.+.}-{0:0}, at: process_one_work+0x8df/0x1590 kernel/workqueue.c:2254 =============================================