INFO: task syz.1.2491:13387 blocked for more than 159 seconds. Not tainted 6.12.0-rc1-syzkaller-00125-g0c559323bbaa #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.1.2491 state:D stack:25824 pid:13387 tgid:13387 ppid:13177 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5315 [inline] __schedule+0xef5/0x5750 kernel/sched/core.c:6675 __schedule_loop kernel/sched/core.c:6752 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6767 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6824 rwsem_down_write_slowpath+0x539/0x12a0 kernel/locking/rwsem.c:1176 __down_write_common kernel/locking/rwsem.c:1304 [inline] __down_write kernel/locking/rwsem.c:1313 [inline] down_write+0x1d8/0x200 kernel/locking/rwsem.c:1578 inode_lock include/linux/fs.h:815 [inline] fuse_flush+0x2f5/0x6d0 fs/fuse/file.c:520 filp_flush+0xb2/0x190 fs/open.c:1525 filp_close+0x1c/0x30 fs/open.c:1538 __range_close fs/file.c:718 [inline] __close_range+0x3e5/0x9b0 fs/file.c:787 __do_sys_close_range fs/open.c:1591 [inline] __se_sys_close_range fs/open.c:1588 [inline] __x64_sys_close_range+0x72/0xb0 fs/open.c:1588 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdbff97dff9 RSP: 002b:00007ffedf8e0b58 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: ffffffffffffffda RBX: 00007fdbffb37a80 RCX: 00007fdbff97dff9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007fdbffb37a80 R08: 0000000000000006 R09: 00007ffedf8e0e4f R10: 00000000003fdb08 R11: 0000000000000246 R12: 00000000000d3802 R13: 00007ffedf8e0c60 R14: 0000000000000032 R15: ffffffffffffffff Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e1b8340 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6720