skbuff: skb_over_panic: text:0000000010fcf367 len:232 put:72 head:000000004486424d data:000000004486424d tail:0xe8 end:0xc0 dev: ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:104! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 8335 Comm: syz-executor486 Not tainted 4.19.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:skb_panic+0x172/0x174 net/core/skbuff.c:104 Code: 4c 24 10 8b 8b 80 00 00 00 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 60 d3 4b 89 ff 74 24 10 ff 74 24 20 e8 31 22 e2 ff <0f> 0b e8 fc e7 53 f9 4c 8b 64 24 18 e8 42 84 89 f9 48 c7 c1 c0 dc RSP: 0018:ffff8880b0d1efa8 EFLAGS: 00010286 RAX: 0000000000000086 RBX: ffff8880953c6680 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814de1b1 RDI: ffffed10161a3de7 RBP: ffffffff894bdd00 R08: 0000000000000086 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff87208273 R13: 0000000000000048 R14: ffffffff894bd320 R15: 00000000000000c0 FS: 00007fdf3a8e6700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563b97ef5d28 CR3: 00000000aab1d000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_over_panic net/core/skbuff.c:109 [inline] skb_put.cold+0x24/0x24 net/core/skbuff.c:1711 dump_esp_combs net/key/af_key.c:3012 [inline] pfkey_send_acquire+0x1853/0x2520 net/key/af_key.c:3233 km_query+0xc5/0x210 net/xfrm/xfrm_state.c:2024 xfrm_state_find+0x1c6c/0x2cb0 net/xfrm/xfrm_state.c:1043 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:1410 [inline] xfrm_tmpl_resolve+0x2f3/0xc20 net/xfrm/xfrm_policy.c:1455 xfrm_resolve_and_create_bundle+0xd8/0x3e0 net/xfrm/xfrm_policy.c:1753 xfrm_lookup_with_ifid+0x243/0x1cb0 net/xfrm/xfrm_policy.c:2076 xfrm_lookup net/xfrm/xfrm_policy.c:2200 [inline] xfrm_lookup_route+0x36/0x1e0 net/xfrm/xfrm_policy.c:2211 ip_route_output_flow+0x114/0x150 net/ipv4/route.c:2639 udp_sendmsg+0x19ce/0x2550 net/ipv4/udp.c:1101 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:632 ___sys_sendmsg+0x3b3/0x8e0 net/socket.c:2115 __sys_sendmmsg+0x195/0x470 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2236 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44ad79 Code: e8 ac e7 ff ff 48 83 c4 18 c3 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 0f 83 ab fd fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fdf3a8e5ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00000000006e0c88 RCX: 000000000044ad79 RDX: 000000000800001d RSI: 0000000020007fc0 RDI: 0000000000000003 RBP: 00000000006e0c80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e0c8c R13: 00007ffc0e70f5bf R14: 00007fdf3a8e69c0 R15: 00000000006e0c8c Modules linked in: ---[ end trace 1a4cf53eec6c41a3 ]--- RIP: 0010:skb_panic+0x172/0x174 net/core/skbuff.c:104 Code: 4c 24 10 8b 8b 80 00 00 00 41 56 45 89 e8 4c 89 e2 41 57 48 89 ee 48 c7 c7 60 d3 4b 89 ff 74 24 10 ff 74 24 20 e8 31 22 e2 ff <0f> 0b e8 fc e7 53 f9 4c 8b 64 24 18 e8 42 84 89 f9 48 c7 c1 c0 dc RSP: 0018:ffff8880b0d1efa8 EFLAGS: 00010286 RAX: 0000000000000086 RBX: ffff8880953c6680 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff814de1b1 RDI: ffffed10161a3de7 RBP: ffffffff894bdd00 R08: 0000000000000086 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff87208273 R13: 0000000000000048 R14: ffffffff894bd320 R15: 00000000000000c0 FS: 00007fdf3a8e6700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f603a224000 CR3: 00000000aab1d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400