------------[ cut here ]------------ WARNING: CPU: 0 PID: 21972 at kernel/softirq.c:361 __local_bh_enable_ip+0xa0/0xd0 kernel/softirq.c:361 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 PID: 21972 Comm: syz-executor.0 Not tainted 6.9.0-rc1-syzkaller #0 Hardware name: ARM-Versatile Express Call trace: frame pointer underflow [<81878e9c>] (dump_backtrace) from [<81878f98>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:82622e44 r5:00000000 r4:81fc4710 [<81878f80>] (show_stack) from [<81896734>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81878f80>] (show_stack) from [<81896734>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:114) [<818966e0>] (dump_stack_lvl) from [<81896774>] (dump_stack+0x18/0x1c lib/dump_stack.c:123) r5:00000000 r4:82858d18 [<8189675c>] (dump_stack) from [<81879a40>] (panic+0x120/0x358 kernel/panic.c:348) [<81879920>] (panic) from [<8024390c>] (check_panic_on_warn kernel/panic.c:241 [inline]) [<81879920>] (panic) from [<8024390c>] (print_tainted+0x0/0xa0 kernel/panic.c:236) r3:8260c584 r2:00000001 r1:81fad394 r0:81fb4f3c r7:8024c8d0 [<80243898>] (check_panic_on_warn) from [<80243b00>] (__warn+0x7c/0x180 kernel/panic.c:694) [<80243a84>] (__warn) from [<80243d7c>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:719) r8:00000009 r7:81fb5874 r6:df801c6c r5:8448e000 r4:00000000 [<80243c08>] (warn_slowpath_fmt) from [<8024c8d0>] (__local_bh_enable_ip+0xa0/0xd0 kernel/softirq.c:361) r10:8260c590 r9:00000000 r8:00000008 r7:00000000 r6:00000000 r5:00000201 r4:8448e000 [<8024c830>] (__local_bh_enable_ip) from [<818a3728>] (__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]) [<8024c830>] (__local_bh_enable_ip) from [<818a3728>] (_raw_spin_unlock_bh+0x34/0x38 kernel/locking/spinlock.c:210) r5:853b96cc r4:ffffffea [<818a36f4>] (_raw_spin_unlock_bh) from [<8140e938>] (spin_unlock_bh include/linux/spinlock.h:396 [inline]) [<818a36f4>] (_raw_spin_unlock_bh) from [<8140e938>] (__sock_map_delete+0x4c/0x84 net/core/sock_map.c:424) [<8140e8ec>] (__sock_map_delete) from [<8140e99c>] (sock_map_delete_elem+0x2c/0x38 net/core/sock_map.c:446) r7:00000000 r6:803c2e9c r5:80933328 r4:df9af000 [<8140e970>] (sock_map_delete_elem) from [<803c2eb8>] (____bpf_map_delete_elem kernel/bpf/helpers.c:77 [inline]) [<8140e970>] (sock_map_delete_elem) from [<803c2eb8>] (bpf_map_delete_elem+0x1c/0x24 kernel/bpf/helpers.c:73) [<803c2e9c>] (bpf_map_delete_elem) from [<7f234bd8>] (bpf_prog_57115342e4867123+0xfc/0x108) [<7f234adc>] (bpf_prog_57115342e4867123) from [<8037d658>] (bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]) [<7f234adc>] (bpf_prog_57115342e4867123) from [<8037d658>] (__bpf_prog_run include/linux/filter.h:657 [inline]) [<7f234adc>] (bpf_prog_57115342e4867123) from [<8037d658>] (bpf_prog_run include/linux/filter.h:664 [inline]) [<7f234adc>] (bpf_prog_57115342e4867123) from [<8037d658>] (__bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]) [<7f234adc>] (bpf_prog_57115342e4867123) from [<8037d658>] (bpf_trace_run2+0x70/0x158 kernel/trace/bpf_trace.c:2420) r9:84581800 r8:00000038 r7:80933328 r6:84581800 r5:80933328 r4:df9af000 [<8037d5e8>] (bpf_trace_run2) from [<80466f98>] (__bpf_trace_kfree+0x28/0x30 include/trace/events/kmem.h:94) r8:00000038 r7:80933328 r6:84581800 r5:80933328 r4:85014cc8 [<80466f70>] (__bpf_trace_kfree) from [<80464cec>] (__traceiter_kfree+0x3c/0x50 include/trace/events/kmem.h:94) [<80464cb0>] (__traceiter_kfree) from [<804b26a0>] (trace_kfree include/trace/events/kmem.h:94 [inline]) [<80464cb0>] (__traceiter_kfree) from [<804b26a0>] (kfree+0x1f0/0x334 mm/slub.c:4377) r7:80933328 r6:00000000 r5:8448e000 r4:84581800 [<804b24b0>] (kfree) from [<80933328>] (detach_buf_split+0x13c/0x170 drivers/virtio/virtio_ring.c:810) r10:8260c590 r9:84581800 r8:00000038 r7:00000070 r6:00000000 r5:00000007 r4:837ca240 [<809331ec>] (detach_buf_split) from [<809333e8>] (virtqueue_get_buf_ctx_split+0x8c/0x15c drivers/virtio/virtio_ring.c:865) r9:00000000 r8:a0000193 r7:837ca240 r6:837ca180 r5:83c85478 r4:837ca240 [<8093335c>] (virtqueue_get_buf_ctx_split) from [<80933e38>] (virtqueue_get_buf_ctx drivers/virtio/virtio_ring.c:2421 [inline]) [<8093335c>] (virtqueue_get_buf_ctx_split) from [<80933e38>] (virtqueue_get_buf+0x28/0x2c drivers/virtio/virtio_ring.c:2427) r5:00000000 r4:837ca240 [<80933e10>] (virtqueue_get_buf) from [<80a8400c>] (virtblk_done+0x78/0x104 drivers/block/virtio_blk.c:363) [<80a83f94>] (virtblk_done) from [<80933bcc>] (vring_interrupt drivers/virtio/virtio_ring.c:2595 [inline]) [<80a83f94>] (virtblk_done) from [<80933bcc>] (vring_interrupt+0x88/0xfc drivers/virtio/virtio_ring.c:2570) r9:20000193 r8:82e0122c r7:00000021 r6:82e01230 r5:00000000 r4:837ca240 [<80933b44>] (vring_interrupt) from [<80938e30>] (vm_interrupt+0x70/0xa8 drivers/virtio/virtio_mmio.c:320) r5:00000000 r4:837cf140 [<80938dc0>] (vm_interrupt) from [<802c1914>] (__handle_irq_event_percpu+0x5c/0x278 kernel/irq/handle.c:158) r9:00000021 r8:00000000 r7:df801f88 r6:8448e000 r5:837cb26c r4:837cf040 [<802c18b8>] (__handle_irq_event_percpu) from [<802c1bb8>] (handle_irq_event_percpu kernel/irq/handle.c:193 [inline]) [<802c18b8>] (__handle_irq_event_percpu) from [<802c1bb8>] (handle_irq_event+0x40/0x88 kernel/irq/handle.c:210) r10:003d0f00 r9:7ed9d32f r8:00000000 r7:df801f88 r6:837cb26c r5:837cb26c r4:837cb200 [<802c1b78>] (handle_irq_event) from [<802c6a84>] (handle_fasteoi_irq+0xbc/0x268 kernel/irq/chip.c:720) r7:df801f88 r6:81b0fa24 r5:837cb26c r4:837cb200 [<802c69c8>] (handle_fasteoi_irq) from [<802c0ff8>] (generic_handle_irq_desc include/linux/irqdesc.h:161 [inline]) [<802c69c8>] (handle_fasteoi_irq) from [<802c0ff8>] (handle_irq_desc kernel/irq/irqdesc.c:688 [inline]) [<802c69c8>] (handle_fasteoi_irq) from [<802c0ff8>] (generic_handle_domain_irq+0x30/0x40 kernel/irq/irqdesc.c:744) r7:df80a00c r6:824b2340 r5:df80a000 r4:8260ce40 [<802c0fc8>] (generic_handle_domain_irq) from [<802011c4>] (gic_handle_irq+0x68/0x7c drivers/irqchip/irq-gic.c:370) [<8020115c>] (gic_handle_irq) from [<81897014>] (generic_handle_arch_irq+0x60/0x80 kernel/irq/handle.c:238) r7:e06fdfb0 r6:8214667c r5:821828a4 r4:824b3ae4 [<81896fb4>] (generic_handle_arch_irq) from [<81848b88>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40) r9:7ed9d32f r8:824a9044 r7:8448e000 r6:ffffffff r5:20000010 r4:00016910 [<81848b6c>] (call_with_stack) from [<80200eb4>] (__irq_usr+0x74/0x80 arch/arm/kernel/entry-armv.S:436) Exception stack(0xe06fdfb0 to 0xe06fdff8) dfa0: ffffffff 00000004 000001b0 00000000 dfc0: 00000000 903bcb51 00000000 00000000 7ed9d32e 7ed9d32f 003d0f00 76b700fc dfe0: 20000750 20000750 00016910 00016910 20000010 ffffffff Rebooting in 86400 seconds..