INFO: task syz-executor.1:6379 can't die for more than 143 seconds.
task:syz-executor.1  state:R  running task     stack:28472 pid: 6379 ppid:  5332 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4965 [inline]
 __schedule+0xa9a/0x4940 kernel/sched/core.c:6246
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6412
 __cond_resched+0x13/0x20 kernel/sched/core.c:8125
 _cond_resched include/linux/sched.h:2027 [inline]
 mousedev_write+0x12d/0x880 drivers/input/mousedev.c:707
 vfs_write+0x28e/0xae0 fs/read_write.c:592
 ksys_write+0x1ee/0x250 fs/read_write.c:647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f93f1d36a39
RSP: 002b:00007f93ef2ac188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f93f1e39f60 RCX: 00007f93f1d36a39
RDX: 00000000ffffff4f RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007f93f1d90c5f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff1b71c70f R14: 00007f93ef2ac300 R15: 0000000000022000
 </TASK>
INFO: task syz-executor.1:6384 can't die for more than 143 seconds.
task:syz-executor.1  state:R  running task     stack:28128 pid: 6384 ppid:  5332 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:4965 [inline]
 __schedule+0xa9a/0x4940 kernel/sched/core.c:6246
 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:6412
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/27:
 #0: ffffffff8bb835e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
1 lock held by in:imklog/6249:
1 lock held by systemd-udevd/18515:

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