INFO: task syz-executor.0:11059 can't die for more than 143 seconds. task:syz-executor.0 state:R running task stack:27080 pid:11059 ppid: 8451 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4324 [inline] __schedule+0x90c/0x21a0 kernel/sched/core.c:5075 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:5235 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:35 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock+0x36/0x40 kernel/locking/spinlock.c:183 ilookup5_nowait fs/inode.c:1335 [inline] ilookup5 fs/inode.c:1364 [inline] iget5_locked+0xbd/0x2e0 fs/inode.c:1145 fuse_iget+0x271/0x610 fs/fuse/inode.c:342 fuse_lookup_name+0x447/0x630 fs/fuse/dir.c:439 fuse_lookup.part.0+0xdf/0x390 fs/fuse/dir.c:469 fuse_lookup+0x70/0x90 fs/fuse/dir.c:465 __lookup_hash+0x117/0x180 fs/namei.c:1527 filename_create+0x186/0x490 fs/namei.c:3597 user_path_create fs/namei.c:3654 [inline] do_mkdirat+0xa0/0x310 fs/namei.c:3832 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x465007 RSP: 002b:00007f04d7c02fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000465007 RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000080 RBP: 00007f04d7c03040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000080 R14: 00007f04d7c03000 R15: 0000000000000000 Showing all locks held in the system: 1 lock held by khungtaskd/1640: #0: ffffffff8bf744a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6327 1 lock held by in:imklog/8138: #0: ffff888021ec9c70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:961 4 locks held by syz-executor.0/11059: =============================================