------------[ cut here ]------------
WARNING: CPU: 0 PID: 22056 at net/ipv4/route.c:1254 ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1254
Modules linked in:
CPU: 0 UID: 0 PID: 22056 Comm: modprobe Not tainted 6.12.0-rc7-syzkaller-01681-g38f83a57aa8e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
RIP: 0010:ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1254
Code: 1e fa 41 57 41 56 41 55 41 54 53 48 89 d3 e8 6b 61 72 f7 66 90 e8 64 61 72 f7 31 ff 48 89 de ba 02 00 00 00 e8 b5 44 6a 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: e7350b3cba6d4d00 RBX: ffff88806c033a00 RCX: ffffffff8170cfaa
RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: ffffffff8c610de0
RBP: 0000000000000001 R08: ffffffff942e289f R09: ffffffff8a2288bb
R10: dffffc0000000000 R11: fffffbfff285c514 R12: dffffc0000000000
R13: ffffc900000078f8 R14: ffff888061f7dac0 R15: ffff88801bf41b00
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4bb2be83c8 CR3: 0000000034b8e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ip_local_out net/ipv4/ip_output.c:130 [inline]
 ip_send_skb net/ipv4/ip_output.c:1505 [inline]
 ip_push_pending_frames+0xbf/0x150 net/ipv4/ip_output.c:1525
 __icmp_send+0x1013/0x15c0 net/ipv4/icmp.c:779
 ipv4_send_dest_unreach net/ipv4/route.c:1234 [inline]
 ipv4_link_failure+0x62f/0xa10 net/ipv4/route.c:1241
 dst_link_failure include/net/dst.h:429 [inline]
 arp_error_report+0x114/0x160 net/ipv4/arp.c:296
 neigh_invalidate+0x247/0x470 net/core/neighbour.c:1010
 neigh_timer_handler+0x8a5/0xfe0 net/core/neighbour.c:1097
 call_timer_fn+0x18e/0x650 kernel/time/timer.c:1794
 expire_timers kernel/time/timer.c:1845 [inline]
 __run_timers kernel/time/timer.c:2419 [inline]
 __run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2430
 run_timer_base kernel/time/timer.c:2439 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2449
 handle_softirqs+0x2c5/0x980 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:1049 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__sanitizer_cov_trace_pc+0x5d/0x70 kernel/kcov.c:235
Code: f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48 8d 7e 01 8b 89 fc 15 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 <c3> cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90
RSP: 0018:ffffc9000409f938 EFLAGS: 00000293
RAX: ffffffff81db142a RBX: 0000000000000000 RCX: ffff888078a6da00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000409fa38 R08: ffffffff81db1409 R09: 0000000000000000
R10: ffffc9000409f860 R11: fffff52000813f17 R12: 1ffff92000813f34
R13: dffffc0000000000 R14: 1ffff92000813f30 R15: 000055be7c40e000
 vm_mmap_pgoff+0x2ca/0x3d0 mm/util.c:592
 elf_map fs/binfmt_elf.c:381 [inline]
 elf_load+0x151/0x700 fs/binfmt_elf.c:408
 load_elf_binary+0x1024/0x2710 fs/binfmt_elf.c:1167
 search_binary_handler fs/exec.c:1752 [inline]
 exec_binprm fs/exec.c:1794 [inline]
 bprm_execve+0xaf8/0x1770 fs/exec.c:1845
 kernel_execve+0x931/0xa50 fs/exec.c:2012
 call_usermodehelper_exec_async+0x237/0x380 kernel/umh.c:110
 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:	f8                   	clc
   1:	15 00 00 83 fa       	adc    $0xfa830000,%eax
   6:	02 75 21             	add    0x21(%rbp),%dh
   9:	48 8b 91 00 16 00 00 	mov    0x1600(%rcx),%rdx
  10:	48 8b 32             	mov    (%rdx),%rsi
  13:	48 8d 7e 01          	lea    0x1(%rsi),%rdi
  17:	8b 89 fc 15 00 00    	mov    0x15fc(%rcx),%ecx
  1d:	48 39 cf             	cmp    %rcx,%rdi
  20:	73 08                	jae    0x2a
  22:	48 89 3a             	mov    %rdi,(%rdx)
  25:	48 89 44 f2 08       	mov    %rax,0x8(%rdx,%rsi,8)
* 2a:	c3                   	ret <-- trapping instruction
  2b:	cc                   	int3
  2c:	cc                   	int3
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  36:	00 00 00
  39:	0f 1f 40 00          	nopl   0x0(%rax)
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop