skbuff: skb_over_panic: text:ffffffff883782d6 len:1744 put:72 head:ffff88806fe6c000 data:ffff88806fe6c000 tail:0x6d0 end:0x6c0 dev: ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:116! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3971 Comm: syz-executor254 Not tainted 6.0.0-rc1-syzkaller-00409-ge3f259d33c0e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:116 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 c0 c3 f3 8a ff 74 24 10 ff 74 24 20 e8 ee eb c0 ff <0f> 0b e8 c5 fa 01 f8 4c 8b 64 24 18 e8 db 48 4e f8 48 c7 c1 a0 d0 RSP: 0018:ffffc9000431ee70 EFLAGS: 00010286 RAX: 0000000000000089 RBX: ffff88806ffc23c0 RCX: 0000000000000000 RDX: ffff88807b039d80 RSI: ffffffff8161f5a8 RDI: fffff52000863dc0 RBP: ffffffff8af3d0e0 R08: 0000000000000089 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff883782d6 R13: 0000000000000048 R14: ffffffff8af3c380 R15: 00000000000006c0 FS: 00007efe9ccec700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcf3b0e9a41 CR3: 00000000223dd000 CR4: 0000000000350ee0 Call Trace: skb_over_panic net/core/skbuff.c:121 [inline] skb_put.cold+0x24/0x24 net/core/skbuff.c:2045 dump_esp_combs net/key/af_key.c:3006 [inline] pfkey_send_acquire+0x1856/0x2520 net/key/af_key.c:3227 km_query+0xac/0x220 net/xfrm/xfrm_state.c:2247 xfrm_state_find+0x2bfe/0x4f10 net/xfrm/xfrm_state.c:1165 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2393 [inline] xfrm_tmpl_resolve+0x2f3/0xd40 net/xfrm/xfrm_policy.c:2438 xfrm_resolve_and_create_bundle+0x123/0x2620 net/xfrm/xfrm_policy.c:2731 xfrm_lookup_with_ifid+0x22a/0x2240 net/xfrm/xfrm_policy.c:3065 xfrm_lookup net/xfrm/xfrm_policy.c:3194 [inline] xfrm_lookup_route+0x36/0x1e0 net/xfrm/xfrm_policy.c:3205 ip_route_output_flow+0x114/0x150 net/ipv4/route.c:2880 udp_sendmsg+0x1963/0x2740 net/ipv4/udp.c:1222 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:819 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x334/0x810 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: 0033:0x7efe9d56aed9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 19 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efe9ccec208 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007efe9d5f3278 RCX: 00007efe9d56aed9 RDX: 0400000000000354 RSI: 0000000020000180 RDI: 0000000000000003 RBP: 00007efe9d5f3270 R08: 0000000000000000 R09: 0000000000000000 R10: 000002873dedf99c R11: 0000000000000246 R12: 00007efe9d5f327c R13: 00007ffca0767b6f R14: 00007efe9ccec300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:116 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 c0 c3 f3 8a ff 74 24 10 ff 74 24 20 e8 ee eb c0 ff <0f> 0b e8 c5 fa 01 f8 4c 8b 64 24 18 e8 db 48 4e f8 48 c7 c1 a0 d0 RSP: 0018:ffffc9000431ee70 EFLAGS: 00010286 RAX: 0000000000000089 RBX: ffff88806ffc23c0 RCX: 0000000000000000 RDX: ffff88807b039d80 RSI: ffffffff8161f5a8 RDI: fffff52000863dc0 RBP: ffffffff8af3d0e0 R08: 0000000000000089 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff883782d6 R13: 0000000000000048 R14: ffffffff8af3c380 R15: 00000000000006c0 FS: 00007efe9ccec700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa43e498300 CR3: 00000000223dd000 CR4: 0000000000350ee0