------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:109! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 2410 Comm: syz-executor.0 Not tainted 5.4.89-syzkaller-00264-gdc04463953b2 #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 f3 34 dc fd 48 83 c4 20 <0f> 0b 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 70 4c 89 cb 4c 89 RSP: 0018:ffff8881e490eca0 EFLAGS: 00010286 RAX: 0000000000000086 RBX: ffffffff8529f7fe RCX: 245e3d4e3463c500 RDX: ffffc900003d5000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffff8881bb6f6000 R08: ffffffff814e4601 R09: ffffed103ee25e08 R10: ffffed103ee25e08 R11: 0000000000000000 R12: 00000000000000e8 R13: 00000000000000c0 R14: dffffc0000000000 R15: ffff8881bb6f6000 FS: 00007f8a04f11700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33328000 CR3: 00000001b90df000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_over_panic+0x25/0x30 net/core/skbuff.c:114 skb_put+0x1e0/0x1e0 net/core/skbuff.c:1868 dump_esp_combs net/key/af_key.c:3006 [inline] pfkey_send_acquire+0x18ee/0x2d60 net/key/af_key.c:3227 km_query net/xfrm/xfrm_state.c:2200 [inline] xfrm_state_find+0x2e3f/0x4820 net/xfrm/xfrm_state.c:1136 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2381 [inline] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2426 [inline] xfrm_resolve_and_create_bundle+0x6a3/0x2ec0 net/xfrm/xfrm_policy.c:2717 xfrm_lookup_with_ifid+0x93c/0x2080 net/xfrm/xfrm_policy.c:3040 xfrm_lookup net/xfrm/xfrm_policy.c:3164 [inline] xfrm_lookup_route+0x37/0x170 net/xfrm/xfrm_policy.c:3175 ip_route_output_flow+0x20c/0x340 net/ipv4/route.c:2733 udp_sendmsg+0x180c/0x2f60 net/ipv4/udp.c:1147 sock_sendmsg_nosec net/socket.c:638 [inline] sock_sendmsg net/socket.c:658 [inline] ____sys_sendmsg+0x587/0x8d0 net/socket.c:2298 ___sys_sendmsg net/socket.c:2352 [inline] __sys_sendmmsg+0x39a/0x700 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: 0033:0x45e219 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f8a04f10c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045e219 RDX: 000000000800001d RSI: 0000000020007fc0 RDI: 0000000000000003 RBP: 000000000119c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119c034 R13: 00007fffba14c8ef R14: 00007f8a04f119c0 R15: 000000000119c034 Modules linked in: ---[ end trace dd7fc1de810f4169 ]--- 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 f3 34 dc fd 48 83 c4 20 <0f> 0b 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 70 4c 89 cb 4c 89 RSP: 0018:ffff8881e490eca0 EFLAGS: 00010286 RAX: 0000000000000086 RBX: ffffffff8529f7fe RCX: 245e3d4e3463c500 RDX: ffffc900003d5000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffff8881bb6f6000 R08: ffffffff814e4601 R09: ffffed103ee25e08 R10: ffffed103ee25e08 R11: 0000000000000000 R12: 00000000000000e8 R13: 00000000000000c0 R14: dffffc0000000000 R15: ffff8881bb6f6000 FS: 00007f8a04f11700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2ec6dd0000 CR3: 00000001b90df000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400