------------[ cut here ]------------
WARNING: CPU: 0 PID: 4521 at net/ipv4/route.c:1261 ip_rt_bug+0x2a/0x110 net/ipv4/route.c:1261
Modules linked in:
CPU: 0 PID: 4521 Comm: udevd Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #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 8b d0 c0 f7 66 90 e8 84 d0 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 e9 73 27 ab 01 f3 0f 1e
RSP: 0018:ffffc90000007680 EFLAGS: 00010286
RAX: ef697f1a2492e700 RBX: ffff88805200c3c0 RCX: ffffffff81720c2a
RDX: dffffc0000000000 RSI: ffffffff8baac1e0 RDI: ffffffff8bfed300
RBP: 0000000000000001 R08: ffffffff92ce5597 R09: 1ffffffff259cab2
R10: dffffc0000000000 R11: fffffbfff259cab3 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff888022f68000 R15: ffff888015fe8d00
FS: 00007f0c779aac80(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c000380000 CR3: 0000000028b86000 CR4: 0000000000350ef0
Call Trace:
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+0x116/0x160 net/ipv4/arp.c:296
neigh_invalidate+0x246/0x470 net/core/neighbour.c:1059
neigh_timer_handler+0x8a5/0xfb0 net/core/neighbour.c:1146
call_timer_fn+0x180/0x600 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+0x2be/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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__d_lookup+0x0/0x7e0 fs/dcache.c:2278
Code: 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 b8 02 6f 09 e8 13 f9 63 09 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <66> 0f 1f 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 58 48 89 f5 49
RSP: 0018:ffffc9000364f820 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88805ee39028 RCX: ffff88807daa3c00
RDX: ffff88807daa3c00 RSI: ffffc9000364fab0 RDI: ffff88805ee39028
RBP: 0000000000000000 R08: ffffffff820df6b3 R09: ffffffff820d92e5
R10: 0000000000000002 R11: ffff88807daa3c00 R12: ffffc9000364fad8
R13: ffffc9000364faa0 R14: dffffc0000000000 R15: 1ffff920006c9f5b
lookup_fast+0x74/0x4a0 fs/namei.c:1650
walk_component fs/namei.c:2000 [inline]
link_path_walk+0x60b/0xea0 fs/namei.c:2331
path_lookupat+0xa9/0x450 fs/namei.c:2484
filename_lookup+0x256/0x610 fs/namei.c:2514
vfs_statx+0x105/0x4e0 fs/stat.c:244
vfs_fstatat+0x135/0x190 fs/stat.c:304
__do_sys_newfstatat fs/stat.c:468 [inline]
__se_sys_newfstatat fs/stat.c:462 [inline]
__x64_sys_newfstatat+0x117/0x190 fs/stat.c:462
do_syscall_64+0xfd/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f0c775165f4
Code: 64 c7 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 10 48 8b 15 03 a8 0d 00 f7 d8 41 83 c8
RSP: 002b:00007ffd3fadc4d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 0000565537b62ea0 RCX: 00007f0c775165f4
RDX: 00007ffd3fadc4e8 RSI: 00007ffd3fadc978 RDI: 00000000ffffff9c
RBP: 00007ffd3fadc578 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd3fadc978
R13: 00007ffd3fadc4e8 R14: 0000565537b3b910 R15: 0000000000000000
----------------
Code disassembly (best guess):
0: 8d 65 d8 lea -0x28(%rbp),%esp
3: 5b pop %rbx
4: 41 5c pop %r12
6: 41 5d pop %r13
8: 41 5e pop %r14
a: 41 5f pop %r15
c: 5d pop %rbp
d: e9 b8 02 6f 09 jmp 0x96f02ca
12: e8 13 f9 63 09 call 0x963f92a
17: 0f 1f 00 nopl (%rax)
1a: 90 nop
1b: 90 nop
1c: 90 nop
1d: 90 nop
1e: 90 nop
1f: 90 nop
20: 90 nop
21: 90 nop
22: 90 nop
23: 90 nop
24: 90 nop
25: 90 nop
26: 90 nop
27: 90 nop
28: 90 nop
29: 90 nop
* 2a: 66 0f 1f 00 nopw (%rax) <-- trapping instruction
2e: 55 push %rbp
2f: 41 57 push %r15
31: 41 56 push %r14
33: 41 55 push %r13
35: 41 54 push %r12
37: 53 push %rbx
38: 48 83 ec 58 sub $0x58,%rsp
3c: 48 89 f5 mov %rsi,%rbp
3f: 49 rex.WB