WARNING: CPU: 2 PID: 0 at net/hsr/hsr_device.c:299 send_hsr_supervision_frame+0x889/0xb40 net/hsr/hsr_device.c:299
Kernel panic - not syncing: panic_on_warn set ...
CPU: 2 PID: 0 Comm: swapper/2 Not tainted 5.8.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x18f/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:231
 __warn.cold+0x20/0x45 kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:235
 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:255
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:send_hsr_supervision_frame+0x889/0xb40 net/hsr/hsr_device.c:299
Code: 02 31 ff 89 de e8 d7 d3 8d f9 84 db 0f 85 8b fd ff ff e8 8a d7 8d f9 48 c7 c7 c0 8b 20 89 c6 05 64 32 c6 02 01 e8 e9 e8 5e f9 <0f> 0b e9 6c fd ff ff e8 6b d7 8d f9 41 be 42 00 00 00 ba 01 00 00
RSP: 0000:ffffc90000540c48 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88802c2043c0 RSI: ffffffff815d8eb7 RDI: fffff520000a817b
RBP: 00000000000088fb R08: 0000000000000001 R09: ffffffff8c5dbaff
R10: 0000000000000000 R11: 0000000035353854 R12: ffff88802886b380
R13: 0000000000000000 R14: ffff888061696ce8 R15: ffff88802d025600
 hsr_announce+0x122/0x320 net/hsr/hsr_device.c:404
 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+0xae/0x1a0 kernel/time/timer.c:1768
 __do_softirq+0x2de/0xa24 kernel/softirq.c:298
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706
 </IRQ>
 __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+0x1f3/0x230 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:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61
Code: ff 4c 89 ef e8 53 91 c2 f9 e9 8e fe ff ff 48 89 df e8 46 91 c2 f9 eb 8a cc cc cc cc e9 07 00 00 00 0f 00 2d d4 2e 57 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d c4 2e 57 00 f4 c3 cc cc 55 53 e8 89
RSP: 0000:ffffc9000042fe78 EFLAGS: 00000282
RAX: 1ffffffff136c764 RBX: ffff88802c2043c0 RCX: 1ffffffff15622f1
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff87f18956
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: ffffed1005840878
R13: 0000000000000002 R14: ffffffff8ab153c8 R15: 0000000000000000
 arch_safe_halt arch/x86/include/asm/paravirt.h:150 [inline]
 default_idle+0x40/0x70 arch/x86/kernel/process.c:688
 cpuidle_idle_call kernel/sched/idle.c:163 [inline]
 do_idle+0x38f/0x6d0 kernel/sched/idle.c:276
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:372
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243
Kernel Offset: disabled
Rebooting in 86400 seconds..