WARNING: CPU: 1 PID: 26133 at net/ipv4/route.c:1261 ip_rt_bug+0x2a/0x110 net/ipv4/route.c:1261
Modules linked in:
CPU: 1 PID: 26133 Comm: syz-executor.2 Not tainted 6.8.0-syzkaller-08073-g480e035fc4c7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:ip_rt_bug+0x2a/0x110 net/ipv4/route.c:1261
Code: f3 0f 1e fa 41 57 41 56 41 55 41 54 53 48 89 d3 e8 0b e1 c0 f7 66 90 e8 04 e1 c0 f7 48 89 df be 02 00 00 00 e8 27 80 6e 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:ffffc90000a08680 EFLAGS: 00010286
RAX: 49d2fb913a149500 RBX: ffff88807100d140 RCX: ffffffff81720c2a
RDX: dffffc0000000000 RSI: ffffffff8baac1e0 RDI: ffffffff8bfed360
RBP: 0000000000000001 R08: ffffffff92ce1597 R09: 1ffffffff259c2b2
R10: dffffc0000000000 R11: fffffbfff259c2b3 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888061be9cc0 R15: ffff888015f01380
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbd518dfcf8 CR3: 000000000df32000 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:1493 [inline]
 ip_push_pending_frames+0xbf/0x150 net/ipv4/ip_output.c:1513
 __icmp_send+0xfb0/0x1500 net/ipv4/icmp.c:770
 ipv4_send_dest_unreach net/ipv4/route.c:1241 [inline]
 ipv4_link_failure+0x62f/0xa10 net/ipv4/route.c:1248
 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:1059
 neigh_timer_handler+0x8a5/0xfb0 net/core/neighbour.c:1146
 call_timer_fn+0x17e/0x600 kernel/time/timer.c:1792
 expire_timers kernel/time/timer.c:1843 [inline]
 __run_timers kernel/time/timer.c:2408 [inline]
 __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2419
 run_timer_base kernel/time/timer.c:2428 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2438
 __do_softirq+0x2bc/0x943 kernel/softirq.c:554
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:645
 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:tlb_flush_rmap_batch+0x60/0x240 mm/mmu_gather.c:54
Code: 44 24 08 42 0f b6 04 20 84 c0 0f 85 d5 01 00 00 8b 5d 00 31 ff 89 de e8 ee 49 af ff 85 db 0f 84 a9 01 00 00 41 bf 01 00 00 00 <41> 8d 47 ff 48 98 48 8b 4c 24 10 48 8d 5c c1 10 48 89 d8 48 c1 e8
RSP: 0018:ffffc900038ff338 EFLAGS: 00000207
RAX: ffffffff81e5b06d RBX: ffff88802572b048 RCX: ffff88805c173c00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88802572b008 R08: ffffffff81e5afe7 R09: 1ffffd40003388ee
R10: dffffc0000000000 R11: fffff940003388ef R12: dffffc0000000000
R13: ffffea00019de980 R14: ffff88801ab94200 R15: 0000000000000009
 tlb_flush_rmaps+0xa2/0x100 mm/mmu_gather.c:80
 zap_pte_range mm/memory.c:1547 [inline]
 zap_pmd_range mm/memory.c:1597 [inline]
 zap_pud_range mm/memory.c:1626 [inline]
 zap_p4d_range mm/memory.c:1647 [inline]
 unmap_page_range+0x2bc7/0x3610 mm/memory.c:1668
 unmap_vmas+0x3cc/0x5f0 mm/memory.c:1758
 exit_mmap+0x2c6/0xd40 mm/mmap.c:3287
 __mmput+0x115/0x3c0 kernel/fork.c:1345
 exit_mm+0x220/0x310 kernel/exit.c:569
 do_exit+0x99e/0x27e0 kernel/exit.c:865
 do_group_exit+0x207/0x2c0 kernel/exit.c:1027
 get_signal+0x176e/0x1850 kernel/signal.c:2907
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:105 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
 syscall_exit_to_user_mode+0xc9/0x360 kernel/entry/common.c:212
 do_syscall_64+0x10a/0x240 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7fbd5187dda9
Code: Unable to access opcode bytes at 0x7fbd5187dd7f.
RSP: 002b:00007fbd52632178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fbd519abf88 RCX: 00007fbd5187dda9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fbd519abf88
RBP: 00007fbd519abf80 R08: 00007fbd526326c0 R09: 00007fbd526326c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbd519abf8c
R13: 000000000000000b R14: 00007fbd51acf960 R15: 00007fbd51acfa48
 </TASK>
----------------
Code disassembly (best guess):
   0:	44 24 08             	rex.R and $0x8,%al
   3:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax
   8:	84 c0                	test   %al,%al
   a:	0f 85 d5 01 00 00    	jne    0x1e5
  10:	8b 5d 00             	mov    0x0(%rbp),%ebx
  13:	31 ff                	xor    %edi,%edi
  15:	89 de                	mov    %ebx,%esi
  17:	e8 ee 49 af ff       	call   0xffaf4a0a
  1c:	85 db                	test   %ebx,%ebx
  1e:	0f 84 a9 01 00 00    	je     0x1cd
  24:	41 bf 01 00 00 00    	mov    $0x1,%r15d
* 2a:	41 8d 47 ff          	lea    -0x1(%r15),%eax <-- trapping instruction
  2e:	48 98                	cltq
  30:	48 8b 4c 24 10       	mov    0x10(%rsp),%rcx
  35:	48 8d 5c c1 10       	lea    0x10(%rcx,%rax,8),%rbx
  3a:	48 89 d8             	mov    %rbx,%rax
  3d:	48                   	rex.W
  3e:	c1                   	.byte 0xc1
  3f:	e8                   	.byte 0xe8