------------[ cut here ]------------ WARNING: CPU: 1 PID: 6567 at net/ipv4/route.c:1254 ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1254 Modules linked in: CPU: 1 UID: 0 PID: 6567 Comm: syz.0.175 Not tainted 6.12.0-syzkaller-05480-gfcc79e1714e8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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 7b 9c 63 f7 66 90 e8 74 9c 63 f7 31 ff 48 89 de ba 02 00 00 00 e8 05 3f 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:ffffc90003676ee0 EFLAGS: 00010282 RAX: fe3ca7790c010d00 RBX: ffff88805b03d000 RCX: ffffffff8171048a RDX: dffffc0000000000 RSI: ffffffff8c2ad300 RDI: ffffffff8c820860 RBP: 0000000000000001 R08: ffffffff9454692f R09: ffffffff8a31667b R10: dffffc0000000000 R11: fffffbfff28a8d26 R12: dffffc0000000000 R13: ffffc90003677158 R14: ffff888062551e40 R15: ffff88801bfc21c0 FS: 00007f6296fd56c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020812030 CR3: 0000000033dda000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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] xfrmi_xmit2 net/xfrm/xfrm_interface_core.c:520 [inline] xfrmi_xmit+0xd6b/0x1b10 net/xfrm/xfrm_interface_core.c:573 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3606 __dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4434 neigh_output include/net/neighbour.h:539 [inline] ip_finish_output2+0xe70/0x1390 net/ipv4/ip_output.c:236 ip_local_out net/ipv4/ip_output.c:130 [inline] __ip_queue_xmit+0x12ca/0x1ef0 net/ipv4/ip_output.c:536 dccp_transmit_skb+0xf65/0x16f0 net/dccp/output.c:138 dccp_connect+0x4fa/0x890 net/dccp/output.c:569 dccp_v4_connect+0xbc9/0x1380 net/dccp/ipv4.c:136 __inet_stream_connect+0x262/0xf30 net/ipv4/af_inet.c:677 inet_stream_connect+0x65/0xa0 net/ipv4/af_inet.c:748 __sys_connect_file net/socket.c:2055 [inline] __sys_connect+0x288/0x2d0 net/socket.c:2074 __do_sys_connect net/socket.c:2080 [inline] __se_sys_connect net/socket.c:2077 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2077 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6299180809 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6296fd5058 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007f6299346080 RCX: 00007f6299180809 RDX: 0000000000000029 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007f62991f393e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f6299346080 R15: 00007ffc67aae1f8