------------[ cut here ]------------
WARNING: CPU: 1 PID: 29261 at net/ipv4/route.c:1261 ip_rt_bug+0x2a/0x110 net/ipv4/route.c:1261
Modules linked in:
CPU: 1 PID: 29261 Comm: syz-executor.1 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: 202f285b69398400 RBX: ffff88801edc5a00 RCX: ffffffff81720c2a
RDX: dffffc0000000000 RSI: ffffffff8baac1e0 RDI: ffffffff8bfed360
RBP: 0000000000000001 R08: ffffffff92ce1597 R09: 1ffffffff259c2b2
R10: dffffc0000000000 R11: fffffbfff259c2b3 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88802339b980 R15: ffff888016359380
FS: 00007f403e5c76c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32624000 CR3: 000000001be8c000 CR4: 00000000003526f0
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+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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:stack_depot_save_flags+0x3e/0x860 lib/stackdepot.c:652
Code: 04 0f 83 94 03 00 00 89 cb 89 d5 48 89 7c 24 10 e8 07 dd a1 fc 41 89 c1 31 c0 45 85 c9 0f 84 61 03 00 00 80 3d 22 74 9f 0f 00 <0f> 85 54 03 00 00 89 2c 24 89 5c 24 0c 43 8d 34 09 46 8d 34 cd 7b
RSP: 0018:ffffc9000536fa50 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8b7f3533
RDX: 0000000000000cc0 RSI: 000000000000000a RDI: ffffc9000536fab0
RBP: 0000000000000cc0 R08: ffffffff81372702 R09: 000000000000000a
R10: dffffc0000000000 R11: fffffbfff1f0e59e R12: ffff88802c922300
R13: ffff8880186fcc80 R14: 0000000000000cc0 R15: ffffc9000536fab0
kasan_save_stack mm/kasan/common.c:48 [inline]
kasan_save_track+0x51/0x80 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:312 [inline]
__kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3798 [inline]
slab_alloc_node mm/slub.c:3845 [inline]
kmem_cache_alloc_lru+0x178/0x350 mm/slub.c:3864
alloc_inode_sb include/linux/fs.h:3088 [inline]
sock_alloc_inode+0x28/0xc0 net/socket.c:308
alloc_inode fs/inode.c:261 [inline]
new_inode_pseudo+0x69/0x1e0 fs/inode.c:1007
sock_alloc net/socket.c:634 [inline]
__sock_create+0x123/0x920 net/socket.c:1535
sock_create net/socket.c:1622 [inline]
__sys_socket_create net/socket.c:1659 [inline]
__sys_socket+0x150/0x3c0 net/socket.c:1706
__do_sys_socket net/socket.c:1720 [inline]
__se_sys_socket net/socket.c:1718 [inline]
__x64_sys_socket+0x7a/0x90 net/socket.c:1718
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f403d87de69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f403e5c70c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f403d9abf80 RCX: 00007f403d87de69
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000010
RBP: 00007f403d8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f403d9abf80 R15: 00007f403dacfa48
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 0f 83 94 03 00 00 jae 0x39a
6: 89 cb mov %ecx,%ebx
8: 89 d5 mov %edx,%ebp
a: 48 89 7c 24 10 mov %rdi,0x10(%rsp)
f: e8 07 dd a1 fc call 0xfca1dd1b
14: 41 89 c1 mov %eax,%r9d
17: 31 c0 xor %eax,%eax
19: 45 85 c9 test %r9d,%r9d
1c: 0f 84 61 03 00 00 je 0x383
22: 80 3d 22 74 9f 0f 00 cmpb $0x0,0xf9f7422(%rip) # 0xf9f744b
* 29: 0f 85 54 03 00 00 jne 0x383 <-- trapping instruction
2f: 89 2c 24 mov %ebp,(%rsp)
32: 89 5c 24 0c mov %ebx,0xc(%rsp)
36: 43 8d 34 09 lea (%r9,%r9,1),%esi
3a: 46 rex.RX
3b: 8d .byte 0x8d
3c: 34 cd xor $0xcd,%al
3e: 7b .byte 0x7b