------------[ cut here ]------------ WARNING: CPU: 1 PID: 4283 at fs/io_uring.c:8596 io_ring_exit_work+0x1e4/0x9ae fs/io_uring.c:8596 Modules linked in: CPU: 1 PID: 4283 Comm: kworker/u4:0 Not tainted 5.12.0-rc8-syzkaller-00011-g18a3c5f7abfd #0 Hardware name: riscv-virtio,qemu (DT) Workqueue: events_unbound io_ring_exit_work epc : io_ring_exit_work+0x1e4/0x9ae fs/io_uring.c:8596 ra : io_ring_exit_work+0x1e4/0x9ae fs/io_uring.c:8596 epc : ffffffe0004e829a ra : ffffffe0004e829a sp : ffffffe023f1fc00 gp : ffffffe0045883c0 tp : ffffffe00dd617c0 t0 : ffffffe0243c3658 t1 : 0000000000000001 t2 : 0000000000000000 s0 : ffffffe023f1fd10 s1 : ffffffffffffffff a0 : 0000000000000000 a1 : 00000000000f0000 a2 : 0000000000000002 a3 : ffffffe0004e829a a4 : ffffffe00dd627c0 a5 : 0000000000000000 a6 : 0000000000f00000 a7 : ffffffe0004d5670 s2 : ffffffe010f984e0 s3 : ffffffe005629800 s4 : 0000000100031a97 s5 : ffffffe00420b540 s6 : 0000000000000000 s7 : ffffffe00563c008 s8 : ffffffe010f988b0 s9 : ffffffe010f98000 s10: ffffffe007fac820 s11: ffffffe00458c228 t3 : 056962bb77802500 t4 : 00000000000015ef t5 : ffffffc4048786cb t6 : 0000000000000005 status: 0000000000000120 badaddr: 0000000000000000 cause: 0000000000000003 Call Trace: [] io_ring_exit_work+0x1e4/0x9ae fs/io_uring.c:8596 [] process_one_work+0x5b0/0xf3a kernel/workqueue.c:2275 [] worker_thread+0x350/0x87a kernel/workqueue.c:2421 [] kthread+0x234/0x298 kernel/kthread.c:292 [] ret_from_exception+0x0/0x14 irq event stamp: 155534 hardirqs last enabled at (155533): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (155533): [] _raw_spin_unlock_irq+0x2a/0x76 kernel/locking/spinlock.c:199 hardirqs last disabled at (155534): [] _save_context+0x80/0x90 softirqs last enabled at (155186): [] __do_softirq+0x5e0/0x8c4 kernel/softirq.c:372 softirqs last disabled at (155169): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (155169): [] invoke_softirq kernel/softirq.c:228 [inline] softirqs last disabled at (155169): [] __irq_exit_rcu kernel/softirq.c:422 [inline] softirqs last disabled at (155169): [] irq_exit+0x1a0/0x1b6 kernel/softirq.c:446 ---[ end trace b59c3fddb849eaf1 ]---