INFO: task syz-executor274:5023 blocked for more than 143 seconds. Not tainted 6.5.0-rc1-syzkaller-00196-gbde7f150276b #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor274 state:D stack:26888 pid:5023 ppid:5019 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1873/0x48f0 kernel/sched/core.c:6710 schedule+0xc3/0x180 kernel/sched/core.c:6786 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2143 do_wait_for_common+0x449/0x5f0 kernel/sched/completion.c:85 __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x4a/0x60 kernel/sched/completion.c:138 __flush_work+0x130/0x1b0 kernel/workqueue.c:3386 __cancel_work_timer+0x51d/0x6a0 kernel/workqueue.c:3473 uhid_dev_destroy drivers/hid/uhid.c:585 [inline] uhid_char_release+0xaf/0x600 drivers/hid/uhid.c:663 __fput+0x3f8/0x950 fs/file_table.c:384 task_work_run+0x24a/0x300 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x68f/0x2290 kernel/exit.c:874 do_group_exit+0x206/0x2c0 kernel/exit.c:1024 __do_sys_exit_group kernel/exit.c:1035 [inline] __se_sys_exit_group kernel/exit.c:1033 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1033 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4efb6d2cb9 RSP: 002b:00007ffcb2136ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4efb6d2cb9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007f4efb74d290 R08: ffffffffffffffb8 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4efb74d290 R13: 0000000000000000 R14: 00007f4efb74dd00 R15: 00007f4efb6a3e50 INFO: task syz-executor274:5024 blocked for more than 145 seconds. Not tainted 6.5.0-rc1-syzkaller-00196-gbde7f150276b #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor274 state:D stack:27080 pid:5024 ppid:5018 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1873/0x48f0 kernel/sched/core.c:6710 schedule+0xc3/0x180 kernel/sched/core.c:6786 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2143 do_wait_for_common+0x449/0x5f0 kernel/sched/completion.c:85 __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x4a/0x60 kernel/sched/completion.c:138 __flush_work+0x130/0x1b0 kernel/workqueue.c:3386 __cancel_work_timer+0x51d/0x6a0 kernel/workqueue.c:3473 uhid_dev_destroy drivers/hid/uhid.c:585 [inline] uhid_char_release+0xaf/0x600 drivers/hid/uhid.c:663 __fput+0x3f8/0x950 fs/file_table.c:384 task_work_run+0x24a/0x300 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x68f/0x2290 kernel/exit.c:874 do_group_exit+0x206/0x2c0 kernel/exit.c:1024 __do_sys_exit_group kernel/exit.c:1035 [inline] __se_sys_exit_group kernel/exit.c:1033 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1033 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4efb6d2cb9 RSP: 002b:00007ffcb2136ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4efb6d2cb9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007f4efb74d290 R08: ffffffffffffffb8 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4efb74d290 R13: 0000000000000000 R14: 00007f4efb74dd00 R15: 00007f4efb6a3e50 INFO: task syz-executor274:5026 blocked for more than 148 seconds. Not tainted 6.5.0-rc1-syzkaller-00196-gbde7f150276b #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor274 state:D stack:27080 pid:5026 ppid:5020 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1873/0x48f0 kernel/sched/core.c:6710 schedule+0xc3/0x180 kernel/sched/core.c:6786 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2143 do_wait_for_common+0x449/0x5f0 kernel/sched/completion.c:85 __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x4a/0x60 kernel/sched/completion.c:138 __flush_work+0x130/0x1b0 kernel/workqueue.c:3386 __cancel_work_timer+0x51d/0x6a0 kernel/workqueue.c:3473 uhid_dev_destroy drivers/hid/uhid.c:585 [inline] uhid_char_release+0xaf/0x600 drivers/hid/uhid.c:663 __fput+0x3f8/0x950 fs/file_table.c:384 task_work_run+0x24a/0x300 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x68f/0x2290 kernel/exit.c:874 do_group_exit+0x206/0x2c0 kernel/exit.c:1024 __do_sys_exit_group kernel/exit.c:1035 [inline] __se_sys_exit_group kernel/exit.c:1033 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1033 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4efb6d2cb9 RSP: 002b:00007ffcb2136ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4efb6d2cb9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007f4efb74d290 R08: ffffffffffffffb8 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4efb74d290 R13: 0000000000000000 R14: 00007f4efb74dd00 R15: 00007f4efb6a3e50 INFO: task syz-executor274:5029 blocked for more than 150 seconds. Not tainted 6.5.0-rc1-syzkaller-00196-gbde7f150276b #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor274 state:D stack:26568 pid:5029 ppid:5016 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1873/0x48f0 kernel/sched/core.c:6710 schedule+0xc3/0x180 kernel/sched/core.c:6786 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2143 do_wait_for_common+0x449/0x5f0 kernel/sched/completion.c:85 __wait_for_common kernel/sched/completion.c:106 [inline] wait_for_common kernel/sched/completion.c:117 [inline] wait_for_completion+0x4a/0x60 kernel/sched/completion.c:138 __flush_work+0x130/0x1b0 kernel/workqueue.c:3386 __cancel_work_timer+0x51d/0x6a0 kernel/workqueue.c:3473 uhid_dev_destroy drivers/hid/uhid.c:585 [inline] uhid_char_release+0xaf/0x600 drivers/hid/uhid.c:663 __fput+0x3f8/0x950 fs/file_table.c:384 task_work_run+0x24a/0x300 kernel/task_work.c:179 exit_task_work include/linux/task_work.h:38 [inline] do_exit+0x68f/0x2290 kernel/exit.c:874 do_group_exit+0x206/0x2c0 kernel/exit.c:1024 __do_sys_exit_group kernel/exit.c:1035 [inline] __se_sys_exit_group kernel/exit.c:1033 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1033 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f4efb6d2cb9 RSP: 002b:00007ffcb2136ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4efb6d2cb9 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 00007f4efb74d290 R08: ffffffffffffffb8 R09: 00000000000000a0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4efb74d290 R13: 0000000000000000 R14: 00007f4efb74dd00 R15: 00007f4efb6a3e50 Showing all locks held in the system: 3 locks held by kworker/0:0/7: 3 locks held by kworker/0:1/9: 1 lock held by rcu_tasks_kthre/13: #0: ffffffff8d328af0 (rcu_tasks.tasks_gp_mutex ){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:522 1 lock held by rcu_tasks_trace/14: #0: ffffffff8d328eb0 (rcu_tasks_trace.tasks_gp_mutex ){+.+.}-{3:3} , at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:522 6 locks held by kworker/1:0/22: 3 locks held by kworker/1:1/26: 1 lock held by khungtaskd/28: #0: ffffffff8d328920 (rcu_read_lock ){....}-{1:2} , at: rcu_lock_acquire+0x0/0x30 2 locks held by getty/4766: #0: ffff88802dd12098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900015902f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0 drivers/tty/n_tty.c:2187 2 locks held by syz-executor274/5018: #0: ffff8880b993bf98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558