------------[ cut here ]------------ WARNING: CPU: 0 PID: 18587 at net/ipv4/route.c:1255 ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1255 Modules linked in: CPU: 0 UID: 0 PID: 18587 Comm: syz-executor151 Not tainted 6.13.0-rc6-syzkaller-01046-g721167200493 #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:1255 Code: 1e fa 41 57 41 56 41 55 41 54 53 48 89 d3 e8 0b de 7b f7 66 90 e8 04 de 7b f7 31 ff 48 89 de ba 02 00 00 00 e8 15 85 69 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:ffffc9000d44f000 EFLAGS: 00010282 RAX: 58d712ad4e04ca00 RBX: ffff88807b9158c0 RCX: ffffffff81a73d4c RDX: dffffc0000000000 RSI: ffffffff8c5fb080 RDI: ffffffff8205f56c RBP: 0000000000000001 R08: ffffffff901a53f7 R09: 1ffffffff2034a7e R10: dffffc0000000000 R11: fffffbfff2034a7f R12: dffffc0000000000 R13: ffffc9000d44f278 R14: ffffffff9a79fbc0 R15: ffff88801b319b00 FS: 0000555585168380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 000000002a922000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb net/ipv4/ip_output.c:1502 [inline] ip_push_pending_frames+0xbf/0x150 net/ipv4/ip_output.c:1522 __icmp_send+0x1013/0x15c0 net/ipv4/icmp.c:781 icmp_send include/net/icmp.h:43 [inline] ip_options_compile+0xf0/0x180 net/ipv4/ip_options.c:473 ip_rcv_options net/ipv4/ip_input.c:281 [inline] ip_rcv_finish_core+0xcc7/0x1b50 net/ipv4/ip_input.c:387 ip_rcv_finish+0x14a/0x560 net/ipv4/ip_input.c:445 NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314 __netif_receive_skb_one_core net/core/dev.c:5725 [inline] __netif_receive_skb+0x2bf/0x650 net/core/dev.c:5838 netif_receive_skb_internal net/core/dev.c:5924 [inline] netif_receive_skb+0x1e8/0x890 net/core/dev.c:5983 tun_rx_batched+0x1b7/0x8f0 drivers/net/tun.c:1554 tun_get_user+0x30cc/0x48a0 drivers/net/tun.c:2011 tun_chr_write_iter+0x10d/0x1f0 drivers/net/tun.c:2057 new_sync_write fs/read_write.c:586 [inline] vfs_write+0xaeb/0xd30 fs/read_write.c:679 ksys_write+0x18f/0x2b0 fs/read_write.c:731 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: 0033:0x7f753bf31729 Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffef8ffed18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007ffef8ffeee8 RCX: 00007f753bf31729 RDX: 000000000000100c RSI: 0000000020000240 RDI: 0000000000000005 RBP: 00007f753bfa4610 R08: 0000000000002c00 R09: 00007ffef8ffeee8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffef8ffeed8 R14: 0000000000000001 R15: 0000000000000001 </TASK>