------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:109! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 712 Comm: syz-executor.5 Not tainted 5.4.97-syzkaller-00251-gdbfedfa31471 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:skb_panic+0x14d/0x150 net/core/skbuff.c:105 Code: 48 8b 74 24 08 48 8b 54 24 10 8b 0c 24 44 8b 44 24 04 49 89 e9 b8 00 00 00 00 53 41 55 41 54 41 57 e8 c3 be da fd 48 83 c4 20 <0f> 0b 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 68 4d 89 cd 4c 89 RSP: 0018:ffff8881acea6cc0 EFLAGS: 00010286 RAX: 0000000000000086 RBX: ffffffff853b2960 RCX: 33e0322c9de30000 RDX: ffffc9000b8f7000 RSI: 000000000001d9b2 RDI: 000000000001d9b3 RBP: ffff8881e2c5fc00 R08: ffffffff814e6147 R09: ffffed103edc5e08 R10: ffffed103edc5e08 R11: 0000000000000000 R12: 00000000000000e8 R13: 00000000000000c0 R14: dffffc0000000000 R15: ffff8881e2c5fc00 FS: 00007f03f641d700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31821000 CR3: 00000001e4ea3000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_over_panic+0x25/0x30 net/core/skbuff.c:114 km_query net/xfrm/xfrm_state.c:2200 [inline] xfrm_state_find+0x2e4a/0x4920 net/xfrm/xfrm_state.c:1136 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2391 [inline] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2436 [inline] xfrm_resolve_and_create_bundle+0x6b0/0x2f30 net/xfrm/xfrm_policy.c:2727 xfrm_lookup_with_ifid+0x82b/0x2100 net/xfrm/xfrm_policy.c:3050 xfrm_lookup net/xfrm/xfrm_policy.c:3174 [inline] xfrm_lookup_route+0x37/0x170 net/xfrm/xfrm_policy.c:3185 ip_route_output_flow+0x1f6/0x320 net/ipv4/route.c:2733 udp_sendmsg+0x17f6/0x2f80 net/ipv4/udp.c:1147 sock_sendmsg_nosec net/socket.c:638 [inline] sock_sendmsg net/socket.c:658 [inline] ____sys_sendmsg+0x583/0x8c0 net/socket.c:2298 ___sys_sendmsg net/socket.c:2352 [inline] __sys_sendmmsg+0x3b3/0x730 net/socket.c:2455 __do_sys_sendmmsg net/socket.c:2484 [inline] __se_sys_sendmmsg net/socket.c:2481 [inline] __x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2481 do_syscall_64+0xcb/0x150 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x465d99 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f03f641d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 0000000000465d99 RDX: 000000000800001d RSI: 0000000020007fc0 RDI: 0000000000000003 RBP: 00000000004bcf27 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 R13: 00007ffe4a5cc84f R14: 00007f03f641d300 R15: 0000000000022000 Modules linked in: ---[ end trace db4e9966b36fb860 ]--- RIP: 0010:skb_panic+0x14d/0x150 net/core/skbuff.c:105 Code: 48 8b 74 24 08 48 8b 54 24 10 8b 0c 24 44 8b 44 24 04 49 89 e9 b8 00 00 00 00 53 41 55 41 54 41 57 e8 c3 be da fd 48 83 c4 20 <0f> 0b 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 68 4d 89 cd 4c 89 RSP: 0018:ffff8881acea6cc0 EFLAGS: 00010286 RAX: 0000000000000086 RBX: ffffffff853b2960 RCX: 33e0322c9de30000 RDX: ffffc9000b8f7000 RSI: 000000000001d9b2 RDI: 000000000001d9b3 RBP: ffff8881e2c5fc00 R08: ffffffff814e6147 R09: ffffed103edc5e08 R10: ffffed103edc5e08 R11: 0000000000000000 R12: 00000000000000e8 R13: 00000000000000c0 R14: dffffc0000000000 R15: ffff8881e2c5fc00 FS: 00007f03f641d700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8aab3e4718 CR3: 00000001e4ea3000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400