kworker/dying (59) used greatest stack depth: 23216 bytes left INFO: task syz-executor.5:15846 blocked for more than 143 seconds. Not tainted 5.10.49 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:28112 pid:15846 ppid: 405 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:3776 [inline] __schedule+0x83f/0x1e70 kernel/sched/core.c:4525 schedule+0xcb/0x270 kernel/sched/core.c:4603 io_uring_cancel_files fs/io_uring.c:8684 [inline] io_uring_cancel_task_requests+0xbc1/0x1260 fs/io_uring.c:8751 io_uring_flush+0x377/0x590 fs/io_uring.c:8914 filp_close+0xb7/0x170 fs/open.c:1280 close_files fs/file.c:401 [inline] put_files_struct fs/file.c:429 [inline] put_files_struct+0x1d0/0x350 fs/file.c:426 io_req_drop_files fs/io_uring.c:5939 [inline] io_req_clean_work fs/io_uring.c:1296 [inline] io_dismantle_req+0x970/0xdc0 fs/io_uring.c:1892 __io_free_req+0x90/0x310 fs/io_uring.c:1900 io_free_req fs/io_uring.c:2132 [inline] io_double_put_req fs/io_uring.c:2272 [inline] io_put_req+0xab/0x100 fs/io_uring.c:2268 io_run_cancel fs/io-wq.c:870 [inline] io_wqe_cancel_pending_work fs/io-wq.c:1018 [inline] io_wq_cancel_cb+0x38b/0x960 fs/io-wq.c:1055 io_uring_cancel_files fs/io_uring.c:8675 [inline] io_uring_cancel_task_requests+0x7a7/0x1260 fs/io_uring.c:8751 io_uring_flush+0x377/0x590 fs/io_uring.c:8914 filp_close+0xb7/0x170 fs/open.c:1280 close_files fs/file.c:401 [inline] put_files_struct fs/file.c:429 [inline] put_files_struct+0x1d0/0x350 fs/file.c:426 exit_files+0x7e/0xa0 fs/file.c:458 do_exit+0xbe1/0x2780 kernel/exit.c:806 do_group_exit+0x125/0x310 kernel/exit.c:908 get_signal+0x469/0x2200 kernel/signal.c:2758 arch_do_signal+0x88/0x1a90 arch/x86/kernel/signal.c:789 exit_to_user_mode_loop kernel/entry/common.c:161 [inline] exit_to_user_mode_prepare+0xf7/0x160 kernel/entry/common.c:191 syscall_exit_to_user_mode+0x38/0x230 kernel/entry/common.c:266 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x466609 RSP: 002b:00007fc2c86cd218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000056bf88 RCX: 0000000000466609 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056bf88 RBP: 000000000056bf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf8c R13: 00007ffcf88a14ff R14: 00007fc2c86cd300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84df64a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6263 1 lock held by in:imklog/379: #0: ffff88800f7d0ff0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930 2 locks held by rs:main Q:Reg/381: #0: ffff88800de939f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930 #1: ffff888008770438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:658 1 lock held by syz-executor.1/6049: #0: ffff88802223b518 (&rp->fetch_lock){+.+.}-{3:3}, at: mon_bin_get_event+0x3a/0x430 drivers/usb/mon/mon_bin.c:747 1 lock held by syz-executor.1/6094: #0: ffff88800df96d18 (&rp->fetch_lock){+.+.}-{3:3}, at: mon_bin_get_event+0x3a/0x430 drivers/usb/mon/mon_bin.c:747 1 lock held by syz-executor.7/6113: #0: ffff888022365518 (&rp->fetch_lock){+.+.}-{3:3}, at: mon_bin_get_event+0x3a/0x430 drivers/usb/mon/mon_bin.c:747 1 lock held by syz-executor.7/6181: #0: ffff888040aaa118 (&rp->fetch_lock){+.+.}-{3:3}, at: mon_bin_get_event+0x3a/0x430 drivers/usb/mon/mon_bin.c:747 1 lock held by syz-executor.1/6208: #0: ffff88800d396518 (&rp->fetch_lock){+.+.}-{3:3}, at: mon_bin_get_event+0x3a/0x430 drivers/usb/mon/mon_bin.c:747 1 lock held by syz-executor.7/6227: #0: ffff88800e797118 (&rp->fetch_lock){+.+.}-{3:3}, at: mon_bin_get_event+0x3a/0x430 drivers/usb/mon/mon_bin.c:747 =============================================