skbuff: skb_over_panic: text:ffffffff883af3c6 len:232 put:72 head:ffff88801d222400 data:ffff88801d222400 tail:0xe8 end:0xc0 dev: ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:120! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 3774 Comm: syz-executor.2 Not tainted 6.1.0-rc4-syzkaller-00159-g4bbf3422df78 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:120 Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 80 70 f4 8a ff 74 24 10 ff 74 24 20 e8 07 06 c1 ff <0f> 0b e8 92 31 f3 f7 4c 8b 64 24 18 e8 38 7b 3f f8 48 c7 c1 e0 7d RSP: 0018:ffffc90004c1ee70 EFLAGS: 00010286 RAX: 0000000000000086 RBX: ffff88801c2ee140 RCX: 0000000000000000 RDX: ffff88801ade3a80 RSI: ffffffff81622b98 RDI: fffff52000983dc0 RBP: ffffffff8af47e20 R08: 0000000000000086 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff883af3c6 R13: 0000000000000048 R14: ffffffff8af47040 R15: 00000000000000c0 FS: 00007fd22b26e700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f98829801c0 CR3: 000000007cafa000 CR4: 0000000000350ef0 Call Trace: skb_over_panic net/core/skbuff.c:125 [inline] skb_put.cold+0x24/0x24 net/core/skbuff.c:2152 dump_esp_combs net/key/af_key.c:3009 [inline] pfkey_send_acquire+0x1856/0x2520 net/key/af_key.c:3230 km_query+0xac/0x220 net/xfrm/xfrm_state.c:2248 xfrm_state_find+0x2bfe/0x4f10 net/xfrm/xfrm_state.c:1165 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2392 [inline] xfrm_tmpl_resolve+0x2f3/0xd40 net/xfrm/xfrm_policy.c:2437 xfrm_resolve_and_create_bundle+0x123/0x2580 net/xfrm/xfrm_policy.c:2730 xfrm_lookup_with_ifid+0x229/0x20f0 net/xfrm/xfrm_policy.c:3064 xfrm_lookup net/xfrm/xfrm_policy.c:3193 [inline] xfrm_lookup_route+0x36/0x1e0 net/xfrm/xfrm_policy.c:3204 ip_route_output_flow+0x114/0x150 net/ipv4/route.c:2880 udp_sendmsg+0x1963/0x2740 net/ipv4/udp.c:1224 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:827 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x334/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmmsg+0x18b/0x460 net/socket.c:2622 __do_sys_sendmmsg net/socket.c:2651 [inline] __se_sys_sendmmsg net/socket.c:2648 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2648 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd22a48b639 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd22b26e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fd22a5ac120 RCX: 00007fd22a48b639 RDX: 000000000800001d RSI: 0000000020007fc0 RDI: 0000000000000003 RBP: 00007fd22a4e67e1 R08: 0000000000000000 R09: 0000000000000000 R10: 000000a742250118 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc31191f2f R14: 00007fd22b26e300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:120 Code: f8 4c 8b 4c 24 10 8b 4b 70 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 80 70 f4 8a ff 74 24 10 ff 74 24 20 e8 07 06 c1 ff <0f> 0b e8 92 31 f3 f7 4c 8b 64 24 18 e8 38 7b 3f f8 48 c7 c1 e0 7d RSP: 0018:ffffc90004c1ee70 EFLAGS: 00010286 RAX: 0000000000000086 RBX: ffff88801c2ee140 RCX: 0000000000000000 RDX: ffff88801ade3a80 RSI: ffffffff81622b98 RDI: fffff52000983dc0 RBP: ffffffff8af47e20 R08: 0000000000000086 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff883af3c6 R13: 0000000000000048 R14: ffffffff8af47040 R15: 00000000000000c0 FS: 00007fd22b26e700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa656a0f300 CR3: 000000007cafa000 CR4: 0000000000350ef0