------------[ cut here ]------------
WARNING: CPU: 0 PID: 11 at net/ipv4/route.c:1241 ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1241
Modules linked in:
CPU: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.10.0-syzkaller-09703-gd7e78951a8b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Workqueue: gid-cache-wq update_gid_event_work_handler
RIP: 0010:ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1241
Code: 1e fa 41 57 41 56 41 55 41 54 53 48 89 d3 e8 1b 26 aa f7 66 90 e8 14 26 aa f7 31 ff 48 89 de ba 02 00 00 00 e8 45 ad 6b ff 90 <0f> 0b 90 31 c0 5b 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 0f 1e
RSP: 0018:ffffc90000007680 EFLAGS: 00010286
RAX: b2fbcfbd98990700 RBX: ffff88801f2dac80 RCX: ffffffff816fef2a
RDX: dffffc0000000000 RSI: ffffffff8bcac920 RDI: ffffffff8c206900
RBP: 0000000000000001 R08: ffffffff92ff069f R09: 1ffffffff25fe0d3
R10: dffffc0000000000 R11: fffffbfff25fe0d4 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880227c9dc0 R15: ffff8880167b9a00
FS:  0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555583a8d588 CR3: 000000002cbf6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ip_local_out net/ipv4/ip_output.c:129 [inline]
 ip_send_skb net/ipv4/ip_output.c:1495 [inline]
 ip_push_pending_frames+0xbf/0x150 net/ipv4/ip_output.c:1515
 __icmp_send+0xf89/0x14e0 net/ipv4/icmp.c:777
 ipv4_send_dest_unreach net/ipv4/route.c:1221 [inline]
 ipv4_link_failure+0x62f/0xa10 net/ipv4/route.c:1228
 dst_link_failure include/net/dst.h:429 [inline]
 arp_error_report+0x114/0x160 net/ipv4/arp.c:296
 neigh_invalidate+0x244/0x470 net/core/neighbour.c:1061
 neigh_timer_handler+0x8a5/0xfd0 net/core/neighbour.c:1148
 call_timer_fn+0x18e/0x650 kernel/time/timer.c:1792
 expire_timers kernel/time/timer.c:1843 [inline]
 __run_timers kernel/time/timer.c:2417 [inline]
 __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2428
 run_timer_base kernel/time/timer.c:2437 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2447
 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:ref_tracker_free+0xa1/0x7e0 lib/ref_tracker.c:228
Code: f3 e8 c3 7e aa fc ba 80 00 00 00 4c 89 f7 31 f6 e8 b4 bd 10 fd 48 89 5c 24 08 48 83 c3 4c 48 89 d8 48 c1 e8 03 42 0f b6 04 38 <84> c0 0f 85 0b 06 00 00 0f b6 1b 31 ff 89 de e8 8b 81 aa fc 85 db
RSP: 0018:ffffc90000107a60 EFLAGS: 00000a03
RAX: 0000000000000000 RBX: ffff8880474d266c RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90000107b20
RBP: ffffc90000107b88 R08: ffffc90000107b1f R09: 0000000000000000
R10: ffffc90000107aa0 R11: fffff52000020f64 R12: 0000000000000000
R13: 1ffff92000020f50 R14: ffffc90000107aa0 R15: dffffc0000000000
 netdev_tracker_free include/linux/netdevice.h:4067 [inline]
 netdev_put include/linux/netdevice.h:4084 [inline]
 dev_put include/linux/netdevice.h:4110 [inline]
 update_gid_event_work_handler+0x76/0xe0 drivers/infiniband/core/roce_gid_mgmt.c:813
 process_one_work kernel/workqueue.c:3231 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
 worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
----------------
Code disassembly (best guess):
   0:	f3 e8 c3 7e aa fc    	repz call 0xfcaa7ec9
   6:	ba 80 00 00 00       	mov    $0x80,%edx
   b:	4c 89 f7             	mov    %r14,%rdi
   e:	31 f6                	xor    %esi,%esi
  10:	e8 b4 bd 10 fd       	call   0xfd10bdc9
  15:	48 89 5c 24 08       	mov    %rbx,0x8(%rsp)
  1a:	48 83 c3 4c          	add    $0x4c,%rbx
  1e:	48 89 d8             	mov    %rbx,%rax
  21:	48 c1 e8 03          	shr    $0x3,%rax
  25:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax
* 2a:	84 c0                	test   %al,%al <-- trapping instruction
  2c:	0f 85 0b 06 00 00    	jne    0x63d
  32:	0f b6 1b             	movzbl (%rbx),%ebx
  35:	31 ff                	xor    %edi,%edi
  37:	89 de                	mov    %ebx,%esi
  39:	e8 8b 81 aa fc       	call   0xfcaa81c9
  3e:	85 db                	test   %ebx,%ebx