==================================== WARNING: iou-sqp-17154/17158 still has locks held! 5.12.0-rc5-syzkaller #0 Not tainted ------------------------------------ 1 lock held by iou-sqp-17154/17158: #0: ffff888029553c70 (&sqd->lock){+.+.}-{3:3}, at: io_sq_thread+0x221/0x13b0 fs/io_uring.c:6731 stack backtrace: CPU: 1 PID: 17158 Comm: iou-sqp-17154 Not tainted 5.12.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x176/0x24e lib/dump_stack.c:120 try_to_freeze include/linux/freezer.h:66 [inline] get_signal+0x127/0x2030 kernel/signal.c:2576 io_sq_thread+0x586/0x13b0 fs/io_uring.c:6748 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294