------------[ cut here ]------------ WARNING: CPU: 0 PID: 4456 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: 4456 Comm: syz-executor.1 Not tainted 6.8.0-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: frame pointer underflow [<81873764>] (dump_backtrace) from [<81873860>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:82622e44 r5:00000000 r4:81fc2e3c [<81873848>] (show_stack) from [<81891004>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81873848>] (show_stack) from [<81891004>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:114) [<81890fb0>] (dump_stack_lvl) from [<81891044>] (dump_stack+0x18/0x1c lib/dump_stack.c:123) r5:00000000 r4:82857d18 [<8189102c>] (dump_stack) from [<81874308>] (panic+0x120/0x358 kernel/panic.c:348) [<818741e8>] (panic) from [<802438cc>] (check_panic_on_warn kernel/panic.c:241 [inline]) [<818741e8>] (panic) from [<802438cc>] (print_tainted+0x0/0xa0 kernel/panic.c:236) r3:8260c584 r2:00000001 r1:81fabac4 r0:81fb366c r7:8024c890 [<80243858>] (check_panic_on_warn) from [<80243ac0>] (__warn+0x7c/0x180 kernel/panic.c:694) [<80243a44>] (__warn) from [<80243d3c>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:719) r8:00000009 r7:81fb3fa4 r6:df801c6c r5:834fc800 r4:00000000 [<80243bc8>] (warn_slowpath_fmt) from [<8024c890>] (__local_bh_enable_ip+0xa0/0xd0 kernel/softirq.c:361) r10:8260c590 r9:00000000 r8:00000008 r7:00000000 r6:00000000 r5:00000201 r4:834fc800 [<8024c7f0>] (__local_bh_enable_ip) from [<8189dff8>] (__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline]) [<8024c7f0>] (__local_bh_enable_ip) from [<8189dff8>] (_raw_spin_unlock_bh+0x34/0x38 kernel/locking/spinlock.c:210) r5:898449cc r4:ffffffea [<8189dfc4>] (_raw_spin_unlock_bh) from [<81409150>] (spin_unlock_bh include/linux/spinlock.h:396 [inline]) [<8189dfc4>] (_raw_spin_unlock_bh) from [<81409150>] (__sock_map_delete+0x4c/0x84 net/core/sock_map.c:424) [<81409104>] (__sock_map_delete) from [<814091b4>] (sock_map_delete_elem+0x2c/0x38 net/core/sock_map.c:446) r7:00000000 r6:803c2c24 r5:80932ca8 r4:e0007000 [<81409188>] (sock_map_delete_elem) from [<803c2c40>] (____bpf_map_delete_elem kernel/bpf/helpers.c:77 [inline]) [<81409188>] (sock_map_delete_elem) from [<803c2c40>] (bpf_map_delete_elem+0x1c/0x24 kernel/bpf/helpers.c:73) [<803c2c24>] (bpf_map_delete_elem) from [<7f22ce40>] (bpf_prog_2c29ac5cdc6b1842+0xc8/0xd4) [<7f22cd78>] (bpf_prog_2c29ac5cdc6b1842) from [<8037d3e0>] (bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]) [<7f22cd78>] (bpf_prog_2c29ac5cdc6b1842) from [<8037d3e0>] (__bpf_prog_run include/linux/filter.h:657 [inline]) [<7f22cd78>] (bpf_prog_2c29ac5cdc6b1842) from [<8037d3e0>] (bpf_prog_run include/linux/filter.h:664 [inline]) [<7f22cd78>] (bpf_prog_2c29ac5cdc6b1842) from [<8037d3e0>] (__bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]) [<7f22cd78>] (bpf_prog_2c29ac5cdc6b1842) from [<8037d3e0>] (bpf_trace_run2+0x70/0x158 kernel/trace/bpf_trace.c:2420) r9:89a82d00 r8:00000028 r7:80932ca8 r6:89a82d00 r5:80932ca8 r4:e0007000 [<8037d370>] (bpf_trace_run2) from [<80466c50>] (__bpf_trace_kfree+0x28/0x30 include/trace/events/kmem.h:94) r8:00000028 r7:80932ca8 r6:89a82d00 r5:80932ca8 r4:8c3b6048 [<80466c28>] (__bpf_trace_kfree) from [<804649a4>] (__traceiter_kfree+0x3c/0x50 include/trace/events/kmem.h:94) [<80464968>] (__traceiter_kfree) from [<804b2358>] (trace_kfree include/trace/events/kmem.h:94 [inline]) [<80464968>] (__traceiter_kfree) from [<804b2358>] (kfree+0x1f0/0x334 mm/slub.c:4377) r7:80932ca8 r6:00000000 r5:834fc800 r4:89a82d00 [<804b2168>] (kfree) from [<80932ca8>] (detach_buf_split+0x13c/0x170 drivers/virtio/virtio_ring.c:810) r10:8260c590 r9:89a82d00 r8:00000028 r7:00000050 r6:00000000 r5:00000005 r4:83b5ec00 [<80932b6c>] (detach_buf_split) from [<80932d68>] (virtqueue_get_buf_ctx_split+0x8c/0x15c drivers/virtio/virtio_ring.c:865) r9:00000000 r8:a0000193 r7:83b5ec00 r6:83b5eb40 r5:83d078b8 r4:83b5ec00 [<80932cdc>] (virtqueue_get_buf_ctx_split) from [<809337b8>] (virtqueue_get_buf_ctx drivers/virtio/virtio_ring.c:2421 [inline]) [<80932cdc>] (virtqueue_get_buf_ctx_split) from [<809337b8>] (virtqueue_get_buf+0x28/0x2c drivers/virtio/virtio_ring.c:2427) r5:00000000 r4:83b5ec00 [<80933790>] (virtqueue_get_buf) from [<80a83964>] (virtblk_done+0x78/0x104 drivers/block/virtio_blk.c:363) [<80a838ec>] (virtblk_done) from [<8093354c>] (vring_interrupt drivers/virtio/virtio_ring.c:2595 [inline]) [<80a838ec>] (virtblk_done) from [<8093354c>] (vring_interrupt+0x88/0xfc drivers/virtio/virtio_ring.c:2570) r9:20000193 r8:82f9362c r7:00000021 r6:82f93630 r5:00000000 r4:83b5ec00 [<809334c4>] (vring_interrupt) from [<809387b0>] (vm_interrupt+0x70/0xa8 drivers/virtio/virtio_mmio.c:320) r5:00000000 r4:83b80c00 [<80938740>] (vm_interrupt) from [<802c188c>] (__handle_irq_event_percpu+0x5c/0x278 kernel/irq/handle.c:158) r9:00000021 r8:00000000 r7:df801f88 r6:834fc800 r5:83b7d86c r4:83b80f00 [<802c1830>] (__handle_irq_event_percpu) from [<802c1b30>] (handle_irq_event_percpu kernel/irq/handle.c:193 [inline]) [<802c1830>] (__handle_irq_event_percpu) from [<802c1b30>] (handle_irq_event+0x40/0x88 kernel/irq/handle.c:210) r10:0000001e r9:834fc800 r8:00000000 r7:df801f88 r6:83b7d86c r5:83b7d86c r4:83b7d800 [<802c1af0>] (handle_irq_event) from [<802c69fc>] (handle_fasteoi_irq+0xbc/0x268 kernel/irq/chip.c:720) r7:df801f88 r6:81b0f9f0 r5:83b7d86c r4:83b7d800 [<802c6940>] (handle_fasteoi_irq) from [<802c0f70>] (generic_handle_irq_desc include/linux/irqdesc.h:161 [inline]) [<802c6940>] (handle_fasteoi_irq) from [<802c0f70>] (handle_irq_desc kernel/irq/irqdesc.c:688 [inline]) [<802c6940>] (handle_fasteoi_irq) from [<802c0f70>] (generic_handle_domain_irq+0x30/0x40 kernel/irq/irqdesc.c:744) r7:df80a00c r6:824b2340 r5:df80a000 r4:8260ce40 [<802c0f40>] (generic_handle_domain_irq) from [<802011c4>] (gic_handle_irq+0x68/0x7c drivers/irqchip/irq-gic.c:370) [<8020115c>] (gic_handle_irq) from [<818918e4>] (generic_handle_arch_irq+0x60/0x80 kernel/irq/handle.c:238) r7:ebbe5bd0 r6:82144530 r5:8218072c r4:824b3ae4 [<81891884>] (generic_handle_arch_irq) from [<81843458>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40) r9:834fc800 r8:00000001 r7:ebbe5c04 r6:ffffffff r5:80000013 r4:8089a9a4 [<8184343c>] (call_with_stack) from [<80200b84>] (__irq_svc+0x84/0xac arch/arm/kernel/entry-armv.S:221) Exception stack(0xebbe5bd0 to 0xebbe5c18) 5bc0: 80000093 5b91c000 0000001e a3ecbf88 5be0: 00000000 84121bc0 00000020 a0000013 00000001 0000001d 0000001e ebbe5c4c 5c00: ebbe5c10 ebbe5c20 81892560 8089a9a4 80000013 ffffffff [<8089a918>] (percpu_counter_add_batch) from [<805f12d8>] (percpu_counter_add include/linux/percpu_counter.h:71 [inline]) [<8089a918>] (percpu_counter_add_batch) from [<805f12d8>] (percpu_counter_inc include/linux/percpu_counter.h:267 [inline]) [<8089a918>] (percpu_counter_add_batch) from [<805f12d8>] (ext4_es_lookup_extent+0x24c/0x2e0 fs/ext4/extents_status.c:1031) r10:00000000 r9:84899f14 r8:00000000 r7:ebbe5ca0 r6:84899d40 r5:00000000 r4:83121f20 r3:00000000 [<805f108c>] (ext4_es_lookup_extent) from [<806034e0>] (ext4_map_blocks+0x1c4/0x640 fs/ext4/inode.c:507) r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:84899d40 r4:ebbe5d00 [<8060331c>] (ext4_map_blocks) from [<806044f0>] (ext4_getblk+0x8c/0x310 fs/ext4/inode.c:833) r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:84899d40 r4:00000000 [<80604464>] (ext4_getblk) from [<80604880>] (ext4_bread_batch+0x58/0x1c4 fs/ext4/inode.c:910) r9:00000000 r8:84899d40 r7:00000001 r6:ebbe5db4 r5:ebbe5db4 r4:00000000 [<80604828>] (ext4_bread_batch) from [<806249c4>] (__ext4_find_entry+0x180/0x650 fs/ext4/namei.c:1670) r10:00000000 r9:00000001 r8:00000001 r7:84899d40 r6:00000000 r5:00000000 r4:00000000 [<80624844>] (__ext4_find_entry) from [<8062983c>] (ext4_find_entry fs/ext4/namei.c:1750 [inline]) [<80624844>] (__ext4_find_entry) from [<8062983c>] (__ext4_unlink+0x214/0x378 fs/ext4/namei.c:3243) r10:00000000 r9:84899128 r8:8486f0a8 r7:ebbe5e70 r6:8486f090 r5:848990a0 r4:84899d40 [<80629628>] (__ext4_unlink) from [<80629af4>] (ext4_unlink+0x154/0x1e4 fs/ext4/namei.c:3321) r10:8486f090 r9:84899128 r8:ebbe5f44 r7:848990a0 r6:8486f090 r5:84899d40 r4:00000000 [<806299a0>] (ext4_unlink) from [<80506af0>] (vfs_unlink+0x128/0x2d8 fs/namei.c:4338) r7:848990a0 r6:84899d40 r5:00000000 r4:8486f090 [<805069c8>] (vfs_unlink) from [<8050c8b0>] (do_unlinkat+0x270/0x2d8 fs/namei.c:4402) r9:848990a0 r8:00000000 r7:ffffff9c r6:83519000 r5:00000000 r4:00000000 [<8050c640>] (do_unlinkat) from [<8050c998>] (__do_sys_unlink fs/namei.c:4450 [inline]) [<8050c640>] (do_unlinkat) from [<8050c998>] (sys_unlink+0x24/0x28 fs/namei.c:4448) r10:0000000a r9:834fc800 r8:80200288 r7:0000000a r6:7ed35630 r5:00140000 r4:7ed34580 [<8050c974>] (sys_unlink) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66) Exception stack(0xebbe5fa8 to 0xebbe5ff0) 5fa0: 7ed34580 00140000 7ed34580 0000a1c0 00000000 0000a000 5fc0: 7ed34580 00140000 7ed35630 0000000a 02826f58 7ed34540 00093554 00000000 5fe0: 00000000 7ed34504 000147d8 0004ff3c Rebooting in 86400 seconds..