INFO: task syz-executor.3:2435 can't die for more than 143 seconds. task:syz-executor.3 state:R running task stack:27384 pid: 2435 ppid: 6558 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4955 [inline] __schedule+0x940/0x26f0 kernel/sched/core.c:6302 ntfs_collate_names+0x2ca/0x3d0 fs/ntfs/unistr.c:116 Showing all locks held in the system: 1 lock held by khungtaskd/27: #0: ffffffff8b97fce0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6446 1 lock held by systemd-udevd/2972: 1 lock held by in:imklog/6396: #0: ffff8880703e40f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990 3 locks held by kworker/u4:2/32429: 1 lock held by syz-executor.3/2435: ============================================= Kernel panic - not syncing: hung_task: blocked tasks CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.14.0-next-20210910-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 panic+0x2b0/0x6dd kernel/panic.c:232 check_hung_uninterruptible_tasks kernel/hung_task.c:258 [inline] watchdog.cold+0x1ca/0x1de kernel/hung_task.c:339 kthread+0x3e5/0x4d0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Kernel Offset: disabled Rebooting in 86400 seconds..