------------[ cut here ]------------
HSR: No self node
WARNING: net/hsr/hsr_framereg.c:39 at hsr_addr_is_self+0x211/0x3f0 net/hsr/hsr_framereg.c:39, CPU#1: kworker/1:1/12843
Modules linked in:
CPU: 1 UID: 0 PID: 12843 Comm: kworker/1:1 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(full)} 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: mld mld_dad_work
RIP: 0010:hsr_addr_is_self+0x211/0x3f0 net/hsr/hsr_framereg.c:39
Code: 33 2f 41 0f b7 dd 89 ee 09 de 31 ff e8 08 6f bb f6 09 dd 74 54 e8 4f 6a bb f6 31 ed eb 53 e8 46 6a bb f6 48 8d 3d ef d6 92 04 <67> 48 0f b9 3a 31 ed eb 42 e8 b1 28 1f 00 89 c5 31 ff 89 c6 e8 d6
RSP: 0018:ffffc90004707240 EFLAGS: 00010293
RAX: ffffffff8b0961da RBX: ffffffff8b095ff6 RCX: ffff88802f701ec0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f9c38d0
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: ffffc90004707348 R11: fffff520008e0e6b R12: dffffc0000000000
R13: ffff88803641a640 R14: ffff88805f9c3002 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88812601f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9e4d9d4ff8 CR3: 00000000341e8000 CR4: 00000000003526f0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000002
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 check_local_dest net/hsr/hsr_forward.c:592 [inline]
 fill_frame_info net/hsr/hsr_forward.c:728 [inline]
 hsr_forward_skb+0xa11/0x2a80 net/hsr/hsr_forward.c:739
 hsr_dev_xmit+0x253/0x370 net/hsr/hsr_device.c:236
 __netdev_start_xmit include/linux/netdevice.h:5382 [inline]
 netdev_start_xmit include/linux/netdevice.h:5391 [inline]
 xmit_one net/core/dev.c:3889 [inline]
 dev_hard_start_xmit+0x2df/0x860 net/core/dev.c:3905
 __dev_queue_xmit+0x1428/0x3900 net/core/dev.c:4871
 NF_HOOK_COND include/linux/netfilter.h:307 [inline]
 ip6_output+0x340/0x550 net/ipv6/ip6_output.c:246
 dst_output include/net/dst.h:488 [inline]
 NF_HOOK+0x177/0x4f0 include/linux/netfilter.h:318
 mld_sendpack+0x8b4/0xe40 net/ipv6/mcast.c:1842
 mld_dad_work+0x45/0x5b0 net/ipv6/mcast.c:2281
 process_one_work+0x98b/0x1630 kernel/workqueue.c:3306
 process_scheduled_works kernel/workqueue.c:3389 [inline]
 worker_thread+0xb49/0x1140 kernel/workqueue.c:3470
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess):
   0:	33 2f                	xor    (%rdi),%ebp
   2:	41 0f b7 dd          	movzwl %r13w,%ebx
   6:	89 ee                	mov    %ebp,%esi
   8:	09 de                	or     %ebx,%esi
   a:	31 ff                	xor    %edi,%edi
   c:	e8 08 6f bb f6       	call   0xf6bb6f19
  11:	09 dd                	or     %ebx,%ebp
  13:	74 54                	je     0x69
  15:	e8 4f 6a bb f6       	call   0xf6bb6a69
  1a:	31 ed                	xor    %ebp,%ebp
  1c:	eb 53                	jmp    0x71
  1e:	e8 46 6a bb f6       	call   0xf6bb6a69
  23:	48 8d 3d ef d6 92 04 	lea    0x492d6ef(%rip),%rdi        # 0x492d719
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	31 ed                	xor    %ebp,%ebp
  31:	eb 42                	jmp    0x75
  33:	e8 b1 28 1f 00       	call   0x1f28e9
  38:	89 c5                	mov    %eax,%ebp
  3a:	31 ff                	xor    %edi,%edi
  3c:	89 c6                	mov    %eax,%esi
  3e:	e8                   	.byte 0xe8
  3f:	d6                   	(bad)