------------[ cut here ]------------
WARNING: CPU: 0 PID: 148 at net/ipv4/route.c:1241 ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1241
Modules linked in:
CPU: 0 UID: 0 PID: 148 Comm: kworker/u8:6 Not tainted 6.11.0-rc2-syzkaller-00133-g484caf207629 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Workqueue: bat_events batadv_nc_worker
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 db 90 82 f7 66 90 e8 d4 90 82 f7 31 ff 48 89 de ba 02 00 00 00 e8 05 a4 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: 320703239b8a0400 RBX: ffff888056f79000 RCX: ffffffff81702eca
RDX: dffffc0000000000 RSI: ffffffff8c0ad560 RDI: ffffffff8c6060c0
RBP: 0000000000000001 R08: ffffffff9372e89f R09: 1ffffffff26e5d13
R10: dffffc0000000000 R11: fffffbfff26e5d14 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88805d7ed940 R15: ffff888016f79a00
FS:  0000000000000000(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa06c235000 CR3: 000000000e734000 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:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__local_bh_enable_ip+0x170/0x200 kernel/softirq.c:389
Code: 8c e8 a4 ad 5e 0a 65 66 8b 05 04 8c ac 7e 66 85 c0 75 5d bf 01 00 00 00 e8 9d a4 0b 00 e8 e8 8f 43 00 fb 65 8b 05 c8 8b ac 7e <85> c0 75 05 e8 b7 6a a9 ff 48 c7 44 24 20 0e 36 e0 45 49 c7 04 1c
RSP: 0018:ffffc90002e6fa00 EFLAGS: 00000286
RAX: 0000000080000000 RBX: 1ffff920005cdf44 RCX: ffffffff81702eca
RDX: dffffc0000000000 RSI: ffffffff8c0ad560 RDI: ffffffff8c6060c0
RBP: ffffc90002e6fab0 R08: ffffffff9372e8df R09: 1ffffffff26e5d1b
R10: dffffc0000000000 R11: fffffbfff26e5d1c R12: dffffc0000000000
R13: 1ffff920005cdf48 R14: ffffc90002e6fa40 R15: 0000000000000201
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 batadv_nc_purge_paths+0x30f/0x3b0 net/batman-adv/network-coding.c:471
 batadv_nc_worker+0x328/0x610 net/batman-adv/network-coding.c:720
 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:	8c e8                	mov    %gs,%eax
   2:	a4                   	movsb  %ds:(%rsi),%es:(%rdi)
   3:	ad                   	lods   %ds:(%rsi),%eax
   4:	5e                   	pop    %rsi
   5:	0a 65 66             	or     0x66(%rbp),%ah
   8:	8b 05 04 8c ac 7e    	mov    0x7eac8c04(%rip),%eax        # 0x7eac8c12
   e:	66 85 c0             	test   %ax,%ax
  11:	75 5d                	jne    0x70
  13:	bf 01 00 00 00       	mov    $0x1,%edi
  18:	e8 9d a4 0b 00       	call   0xba4ba
  1d:	e8 e8 8f 43 00       	call   0x43900a
  22:	fb                   	sti
  23:	65 8b 05 c8 8b ac 7e 	mov    %gs:0x7eac8bc8(%rip),%eax        # 0x7eac8bf2
* 2a:	85 c0                	test   %eax,%eax <-- trapping instruction
  2c:	75 05                	jne    0x33
  2e:	e8 b7 6a a9 ff       	call   0xffa96aea
  33:	48 c7 44 24 20 0e 36 	movq   $0x45e0360e,0x20(%rsp)
  3a:	e0 45
  3c:	49                   	rex.WB
  3d:	c7                   	.byte 0xc7
  3e:	04 1c                	add    $0x1c,%al