------------[ cut here ]------------
HSR: Could not send supervision frame
WARNING: CPU: 3 PID: 3997 at net/hsr/hsr_device.c:293 send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293
Modules linked in:
CPU: 3 PID: 3997 Comm: syz-executor.2 Not tainted 5.16.0-rc5-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
RIP: 0010:send_hsr_supervision_frame+0x66d/0x8d0 net/hsr/hsr_device.c:293
Code: 1d ee ba 88 04 31 ff 89 de e8 ef b4 83 f8 84 db 75 b6 e8 06 b1 83 f8 48 c7 c7 80 db d7 8a c6 05 ce ba 88 04 01 e8 5e d6 0c 00 <0f> 0b eb 9a e8 ea b0 83 f8 41 be 3c 00 00 00 ba 01 00 00 00 4c 89
RSP: 0000:ffffc900005b8c60 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888019929d00 RSI: ffffffff815f1e28 RDI: fffff520000b717e
RBP: ffff888066060c80 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff815ebbce R11: 0000000000000000 R12: ffff88801ebebe80
R13: 0000000000000000 R14: ffff88801ebebe98 R15: 0000000000000017
FS:  0000000000000000(0000) GS:ffff88802cd00000(0063) knlGS:00000000f58f6b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000000005c CR3: 000000006ca10000 CR4: 0000000000150ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 hsr_announce+0x109/0x330 net/hsr/hsr_device.c:382
 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
 expire_timers kernel/time/timer.c:1466 [inline]
 __run_timers.part.0+0x675/0xa20 kernel/time/timer.c:1734
 __run_timers kernel/time/timer.c:1715 [inline]
 run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 invoke_softirq kernel/softirq.c:432 [inline]
 __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 2a 7f 15 f8 48 89 ef e8 72 f5 15 f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 63 bd 08 f8 65 8b 05 2c 30 bb 76 85 c0 74 0a 5b 5d c3 e8 d0 af
RSP: 0000:ffffc90021bd7d08 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff1b22149
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff888069085340 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff817defe8 R11: 0000000000000000 R12: 0000000000000000
R13: ffffc90021bd7db8 R14: ffff888069085340 R15: 0000000000000000
 spin_unlock_irqrestore include/linux/spinlock.h:404 [inline]
 force_sig_info_to_task+0x1f8/0x550 kernel/signal.c:1347
 force_sig_fault_to_task kernel/signal.c:1717 [inline]
 force_sig_fault+0xb2/0xf0 kernel/signal.c:1723
 __bad_area_nosemaphore+0x2e3/0x400 arch/x86/mm/fault.c:846
 do_user_addr_fault+0x8de/0x11c0 arch/x86/mm/fault.c:1360
 handle_page_fault arch/x86/mm/fault.c:1485 [inline]
 exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1541
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0023:0xf6f34752
Code: 0c 50 e8 41 5d 01 00 83 c4 10 85 c0 0f 84 be 01 00 00 65 f0 83 2d d8 ff ff ff 01 8b 5c 24 10 e8 04 fa 00 00 8b 4c 24 0c 8b 00 <83> 79 5c ff 89 41 60 75 04 85 c0 74 19 6b 44 24 18 34 8b 4c 24 10
RSP: 002b:00000000f58f6630 EFLAGS: 00010283
RAX: 000000000000000e RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000f6f3472f RSI: 00000000f707a028 RDI: 0000000000000000
RBP: 00000000f707a028 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	2a 7f 15             	sub    0x15(%rdi),%bh
   7:	f8                   	clc
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 72 f5 15 f8       	callq  0xf815f582
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 25                	jne    0x3d
  18:	9c                   	pushfq
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 2d                	jne    0x4c
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 63 bd 08 f8       	callq  0xf808bd92 <-- trapping instruction
  2f:	65 8b 05 2c 30 bb 76 	mov    %gs:0x76bb302c(%rip),%eax        # 0x76bb3062
  36:	85 c0                	test   %eax,%eax
  38:	74 0a                	je     0x44
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	retq
  3d:	e8                   	.byte 0xe8
  3e:	d0                   	.byte 0xd0
  3f:	af                   	scas   %es:(%rdi),%eax