audit: type=1326 audit(1629415390.227:71): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=10794 comm="syz-executor.0" exe="/syz-executor.0" sig=0 arch=c000003e syscall=272 compat=0 ip=0x466609 code=0x7ffc0000 audit: type=1326 audit(1629415390.518:72): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=10750 comm="syz-executor.7" exe="/syz-executor.7" sig=9 arch=c000003e syscall=231 compat=0 ip=0x466609 code=0x0 INFO: task syz-executor.1:10832 blocked for more than 143 seconds. Not tainted 5.10.56 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:28688 pid:10832 ppid: 10296 flags:0x10004004 Call Trace: context_switch kernel/sched/core.c:3776 [inline] __schedule+0x848/0x1e80 kernel/sched/core.c:4525 schedule+0xcb/0x270 kernel/sched/core.c:4603 io_uring_cancel_files fs/io_uring.c:8681 [inline] io_uring_cancel_task_requests+0xbc1/0x1260 fs/io_uring.c:8748 __io_uring_files_cancel+0x110/0x1b0 fs/io_uring.c:8830 io_uring_files_cancel include/linux/io_uring.h:51 [inline] do_exit+0x2f6/0x2770 kernel/exit.c:766 do_group_exit+0x125/0x310 kernel/exit.c:908 get_signal+0x469/0x2200 kernel/signal.c:2758 arch_do_signal+0x88/0x1b70 arch/x86/kernel/signal.c:805 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:00007f11b9ef4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 000000000056c0f8 RCX: 0000000000466609 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000056c0f8 RBP: 000000000056c0f0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c0fc R13: 00007ffd2ee2d63f R14: 00007f11b9ef4300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84df6660 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x269 kernel/locking/lockdep.c:6377 1 lock held by in:imklog/191: 2 locks held by rs:main Q:Reg/192: #0: ffff88800f0d3c70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930 #1: ffff88800f76a438 (sb_writers#3){.+.+}-{0:0}, at: ksys_write+0x12d/0x250 fs/read_write.c:658 1 lock held by syz-executor.7/6555: #0: ffff88800f263918 (&rp->fetch_lock){+.+.}-{3:3}, at: mon_bin_read+0x59/0x600 drivers/usb/mon/mon_bin.c:813 =============================================