------------[ cut here ]------------ WARNING: CPU: 1 PID: 8884 at kernel/entry/common.c:339 irqentry_exit+0x47/0x90 kernel/entry/common.c:343 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 8884 Comm: syz-executor.4 Not tainted 5.9.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x198/0x1fd lib/dump_stack.c:118 panic+0x382/0x7fb kernel/panic.c:231 __warn.cold+0x20/0x4b kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:irqentry_exit+0x47/0x90 kernel/entry/common.c:339 Code: 27 f6 87 91 00 00 00 02 74 18 40 84 f6 75 3b 65 8b 05 9d 01 de 77 a9 ff ff ff 7f 74 11 e9 91 04 58 f9 40 84 f6 75 3f c3 eb 89 <0f> 0b eb ca e8 40 aa 3f f9 65 48 8b 04 25 c0 fe 01 00 48 8b 00 a8 RSP: 0018:ffffc90000da7a90 EFLAGS: 00010002 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff81353777 RDX: ffff888060604500 RSI: 0000000000000000 RDI: ffffc90000da7ac8 RBP: ffffc90000da7ac8 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000003 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 exc_page_fault+0xd9/0x190 arch/x86/mm/fault.c:1407 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538 RIP: 0010:__softirqentry_text_end+0x39/0x55 Code: df 03 e0 ff ba f2 ff ff ff 31 c9 e9 dc a4 c3 ff 41 bf f2 ff ff ff 31 c0 e9 ab 3c a1 f8 41 bf f2 ff ff ff 31 ed e9 c6 3c a1 f8 <41> be f2 ff ff ff 48 31 c0 e9 d3 3f a1 f8 41 be f2 ff ff ff 48 31 RSP: 0018:ffffc90000da7b70 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffc90000da7c30 RCX: ffffffff81014b22 RDX: ffff888060604500 RSI: ffffffff81014b30 RDI: 0000000000000006 RBP: 0000000000000003 R08: 0000000000000000 R09: ffff888060604507 R10: 0000000000000003 R11: 0000000000000001 R12: ffffc90000da7c3c R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888060604500 get_perf_callchain+0x324/0x640 kernel/events/callchain.c:221 perf_callchain+0x165/0x1c0 kernel/events/core.c:6985 perf_prepare_sample+0x8fd/0x1d40 kernel/events/core.c:7012 __perf_event_output kernel/events/core.c:7170 [inline] perf_event_output_forward+0xf3/0x270 kernel/events/core.c:7190 __perf_event_overflow+0x13c/0x370 kernel/events/core.c:8845 perf_swevent_overflow kernel/events/core.c:8921 [inline] perf_swevent_event+0x347/0x550 kernel/events/core.c:8949 perf_tp_event+0x2e4/0xb60 kernel/events/core.c:9377 perf_trace_run_bpf_submit+0x11c/0x210 kernel/events/core.c:9351 perf_trace_lock_acquire+0x34c/0x550 include/trace/events/lock.h:13 trace_lock_acquire include/trace/events/lock.h:13 [inline] lock_acquire+0x37c/0xae0 kernel/locking/lockdep.c:4980 rcu_lock_acquire include/linux/rcupdate.h:241 [inline] rcu_read_lock include/linux/rcupdate.h:634 [inline] is_bpf_text_address+0x36/0x160 kernel/bpf/core.c:704 kernel_text_address kernel/extable.c:151 [inline] kernel_text_address+0xbd/0xf0 kernel/extable.c:120 __kernel_text_address+0x9/0x30 kernel/extable.c:105 unwind_get_return_address arch/x86/kernel/unwind_orc.c:317 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:312 arch_stack_walk+0x97/0xf0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:123 save_trace+0x43/0xba0 kernel/locking/lockdep.c:513 check_prev_add kernel/locking/lockdep.c:2539 [inline] check_prevs_add kernel/locking/lockdep.c:2601 [inline] validate_chain kernel/locking/lockdep.c:3218 [inline] __lock_acquire+0x4aa5/0x5780 kernel/locking/lockdep.c:4426 lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151 spin_lock include/linux/spinlock.h:354 [inline] ptr_ring_produce include/linux/ptr_ring.h:128 [inline] skb_array_produce include/linux/skb_array.h:44 [inline] pfifo_fast_enqueue+0xf3/0x5f0 net/sched/sch_generic.c:626 __dev_xmit_skb net/core/dev.c:3751 [inline] __dev_queue_xmit+0x12c4/0x2d70 net/core/dev.c:4105 arp_xmit_finish net/ipv4/arp.c:630 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] NF_HOOK include/linux/netfilter.h:295 [inline] arp_xmit+0x8d/0xc0 net/ipv4/arp.c:639 arp_send_dst net/ipv4/arp.c:317 [inline] arp_send_dst+0x16b/0x1a0 net/ipv4/arp.c:298 arp_solicit+0x69d/0x1250 net/ipv4/arp.c:389 neigh_probe+0xc2/0x110 net/core/neighbour.c:1009 neigh_timer_handler+0x5f0/0x1150 net/core/neighbour.c:1091 call_timer_fn+0x1ac/0x760 kernel/time/timer.c:1413 expire_timers kernel/time/timer.c:1458 [inline] __run_timers.part.0+0x67c/0xaa0 kernel/time/timer.c:1755 __run_timers kernel/time/timer.c:1736 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1768 __do_softirq+0x1f8/0xb23 kernel/softirq.c:298 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0x9d/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x235/0x280 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x51/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:syscall_enter_from_user_mode+0x35/0x290 kernel/entry/common.c:80 Code: 53 48 8b 7c 24 20 e8 8a f8 ff ff e8 d5 0c 58 f9 e8 b0 0a 58 f9 48 83 3d e0 74 d8 01 00 0f 84 93 00 00 00 fb 66 0f 1f 44 00 00 <65> 48 8b 2c 25 c0 fe 01 00 48 8b 5d 00 f7 c3 c1 01 00 10 75 0a 5b RSP: 0018:ffffc90002c7ff20 EFLAGS: 00000286 RAX: 0000000000000069 RBX: 0000000000000000 RCX: ffffc90011df4000 RDX: 0000000000040000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc90002c7ff58 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000000e4 R13: ffffc90002c7ff58 R14: 0000000000000000 R15: 0000000000000000 do_syscall_64+0xf/0x70 arch/x86/entry/common.c:41 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x460fba Code: 25 18 00 00 00 00 74 01 f0 48 0f b1 3d af a6 24 01 48 39 c2 75 da f3 c3 0f 1f 84 00 00 00 00 00 48 63 ff b8 e4 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 f3 c3 0f 1f 40 00 48 c7 c2 d4 ff ff ff f7 RSP: 002b:00007fb4b39f0c58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e4 RAX: ffffffffffffffda RBX: 00000000004cd3c1 RCX: 0000000000460fba RDX: 0000000000004f2c RSI: 00007fb4b39f0c60 RDI: 0000000000000001 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 000000000000000e R13: 00007ffefad4488f R14: 000000000118cf40 R15: 000000000118cf4c Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..