WARNING: CPU: 1 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: 1 PID: 0 Comm: swapper/1 Not tainted 5.9.0-rc8-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+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:send_hsr_supervision_frame+0x889/0xb40 net/hsr/hsr_device.c:299
Code: 03 31 ff 89 de e8 c7 71 58 f9 84 db 0f 85 8b fd ff ff e8 9a 75 58 f9 48 c7 c7 00 29 67 89 c6 05 52 e6 36 03 01 e8 89 b2 28 f9 <0f> 0b e9 6c fd ff ff e8 7b 75 58 f9 41 be 42 00 00 00 ba 01 00 00
RSP: 0000:ffffc900004e8c48 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88802c21c380 RSI: ffffffff815f5a55 RDI: fffff5200009d17b
RBP: 00000000000088fb R08: 0000000000000001 R09: ffffffff8d0c3ac7
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880529bf680
R13: 0000000000000000 R14: ffff888052a52ce8 R15: ffff88802cf255c0
 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+0xb3/0x1d0 kernel/time/timer.c:1768
 __do_softirq+0x1f8/0xb23 kernel/softirq.c:298
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x9b/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:native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:61
Code: 89 ef e8 95 dc 8d f9 e9 86 fe ff ff 48 89 df e8 88 dc 8d f9 e9 7b ff ff ff cc cc cc e9 07 00 00 00 0f 00 2d 94 9f 5f 00 fb f4 <c3> 90 e9 07 00 00 00 0f 00 2d 84 9f 5f 00 f4 c3 cc cc 55 53 e8 69
RSP: 0000:ffffc9000041fe60 EFLAGS: 00000282
RAX: 1ffffffff13f8d80 RBX: ffff88802c21c380 RCX: 1ffffffff16b2b61
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89fc6be0
R13: ffffed1005843870 R14: 0000000000000001 R15: ffffffff8b599748
 arch_safe_halt arch/x86/include/asm/paravirt.h:150 [inline]
 default_idle+0x2f/0x50 arch/x86/kernel/process.c:688
 default_idle_call+0x95/0xd0 kernel/sched/idle.c:98
 cpuidle_idle_call kernel/sched/idle.c:168 [inline]
 do_idle+0x4a9/0x730 kernel/sched/idle.c:273
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:369
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243
Kernel Offset: disabled
Rebooting in 86400 seconds..