------------[ cut here ]------------
HSR: Could not send supervision frame
WARNING: CPU: 2 PID: 0 at net/hsr/hsr_device.c:294 send_hsr_supervision_frame+0x5fe/0x840 net/hsr/hsr_device.c:294
Modules linked in:
CPU: 2 PID: 0 Comm: swapper/2 Not tainted 6.4.0-rc5-syzkaller-00178-g33f2b5785a2b #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:send_hsr_supervision_frame+0x5fe/0x840 net/hsr/hsr_device.c:294
Code: 04 31 ff 89 de e8 e2 c1 94 f7 84 db 0f 85 01 ff ff ff e8 f5 c5 94 f7 48 c7 c7 80 ec 89 8b c6 05 1f 54 75 04 01 e8 d2 81 5c f7 <0f> 0b e9 e2 fe ff ff e8 d6 c5 94 f7 41 be 3c 00 00 00 ba 01 00 00
RSP: 0000:ffffc90000588c70 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100
RDX: ffff888013abc800 RSI: ffffffff814c03b7 RDI: 0000000000000001
RBP: ffffc90000588cd0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 000000003a525348 R12: ffff8880466a4d00
R13: 0000000000000000 R14: 0000000000000017 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88802c800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f725b2a7 CR3: 0000000072c59000 CR4: 0000000000350ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 hsr_announce+0x10d/0x370 net/hsr/hsr_device.c:382
 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700
 expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751
 __run_timers kernel/time/timer.c:2022 [inline]
 __run_timers kernel/time/timer.c:1995 [inline]
 run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035
 __do_softirq+0x1d4/0x905 kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x114/0x190 kernel/softirq.c:650
 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline]
RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline]
RIP: 0010:default_idle+0xf/0x20 arch/x86/kernel/process.c:711
Code: 89 07 49 c7 c0 08 00 00 00 4d 29 c8 4c 01 c7 4c 29 c2 e9 76 ff ff ff cc cc cc cc f3 0f 1e fa 66 90 0f 00 2d f3 f8 35 00 fb f4 <fa> c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 65
RSP: 0000:ffffc90000477e08 EFLAGS: 00000246
RAX: 000000000078001b RBX: 0000000000000002 RCX: ffffffff8a108575
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: dffffc0000000000 R08: 0000000000000001 R09: ffff88802c836ceb
R10: ffffed1005906d9d R11: 0000000000000000 R12: 0000000000000002
R13: ffffffff8e7a8750 R14: 0000000000000000 R15: 0000000000000000
 default_idle_call+0x67/0xa0 kernel/sched/idle.c:97
 cpuidle_idle_call kernel/sched/idle.c:170 [inline]
 do_idle+0x317/0x3c0 kernel/sched/idle.c:282
 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379
 start_secondary+0x221/0x2b0 arch/x86/kernel/smpboot.c:269
 secondary_startup_64_no_verify+0xf4/0xfb
 </TASK>
----------------
Code disassembly (best guess):
   0:	89 07                	mov    %eax,(%rdi)
   2:	49 c7 c0 08 00 00 00 	mov    $0x8,%r8
   9:	4d 29 c8             	sub    %r9,%r8
   c:	4c 01 c7             	add    %r8,%rdi
   f:	4c 29 c2             	sub    %r8,%rdx
  12:	e9 76 ff ff ff       	jmpq   0xffffff8d
  17:	cc                   	int3
  18:	cc                   	int3
  19:	cc                   	int3
  1a:	cc                   	int3
  1b:	f3 0f 1e fa          	endbr64
  1f:	66 90                	xchg   %ax,%ax
  21:	0f 00 2d f3 f8 35 00 	verw   0x35f8f3(%rip)        # 0x35f91b
  28:	fb                   	sti
  29:	f4                   	hlt
* 2a:	fa                   	cli <-- trapping instruction
  2b:	c3                   	retq
  2c:	66 66 2e 0f 1f 84 00 	data16 nopw %cs:0x0(%rax,%rax,1)
  33:	00 00 00 00
  37:	0f 1f 40 00          	nopl   0x0(%rax)
  3b:	f3 0f 1e fa          	endbr64
  3f:	65                   	gs