INFO: task syz.4.24:5247 blocked for more than 202 seconds. Not tainted 6.10.0-syzkaller-09703-gd7e78951a8b8 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.24 state:D stack:24256 pid:5247 tgid:5247 ppid:5088 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5188 [inline] __schedule+0x17ae/0x4a10 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6621 schedule_timeout+0xb0/0x310 kernel/time/timer.c:2557 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common kernel/sched/completion.c:127 [inline] wait_for_completion+0x355/0x620 kernel/sched/completion.c:148 __flush_work+0xaa9/0xd00 kernel/workqueue.c:4208 flush_work kernel/workqueue.c:4229 [inline] flush_delayed_work+0x169/0x1c0 kernel/workqueue.c:4251 fsnotify_destroy_group+0x214/0x340 fs/notify/group.c:76 fanotify_release+0x4cd/0x500 fs/notify/fanotify/fanotify_user.c:954 __fput+0x24a/0x8a0 fs/file_table.c:422 task_work_run+0x24f/0x310 kernel/task_work.c:222 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f37a1975b59 RSP: 002b:00007ffc045ffb38 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f37a1b07a60 RCX: 00007f37a1975b59 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f37a1b07a60 R08: 0000000000000006 R09: 0000001e045ffe5f R10: 00000000003ff5f0 R11: 0000000000000246 R12: 0000000000011ba9 R13: 0000000000000032 R14: 00007f37a1b07a60 R15: 00007f37a1b061e8