==================================== WARNING: iou-sqp-10219/10220 still has locks held! 5.12.0-rc5-syzkaller #0 Not tainted ------------------------------------ 1 lock held by iou-sqp-10219/10220: #0: ffff888014ca3870 (&sqd->lock){+.+.}-{3:3}, at: io_sq_thread+0xad7/0x13a0 fs/io_uring.c:6739 stack backtrace: CPU: 1 PID: 10220 Comm: iou-sqp-10219 Not tainted 5.12.0-rc5-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x141/0x1d7 lib/dump_stack.c:120 try_to_freeze include/linux/freezer.h:66 [inline] get_signal+0x171a/0x2150 kernel/signal.c:2576 io_sq_thread+0x8d2/0x13a0 fs/io_uring.c:6748 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294