skbuff: skb_over_panic: text:000000009ca28bd8 len:232 put:72 head:000000002cd4392d data:000000002cd4392d tail:0xe8 end:0xc0 dev: ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:104! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7588 Comm: syz-executor.1 Not tainted 4.19.37 #5 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:skb_panic+0x17c/0x17e net/core/skbuff.c:104 Code: 4c 8b 4d b8 8b 8b 80 00 00 00 41 57 45 89 f0 4c 89 ea ff 75 d0 4c 89 e6 48 c7 c7 40 b9 dc 87 ff 75 c8 ff 75 c0 e8 bb 98 f2 fb <0f> 0b e8 10 11 08 fc 4c 8b 6d 08 e8 c7 5a 3e fc 48 c7 c1 80 c2 dc RSP: 0000:ffff88805ce8eae8 EFLAGS: 00010282 RAX: 0000000000000086 RBX: ffff88808fa25780 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8155e196 RDI: ffffed100b9d1d4f RBP: ffff88805ce8eb50 R08: 0000000000000086 R09: ffffed1015d04fe9 R10: ffffed1015d04fe8 R11: ffff8880ae827f47 R12: ffffffff87dcc2c0 R13: ffffffff86160aa7 R14: 0000000000000048 R15: ffffffff87dcb900 FS: 00007f5a4f2c3700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff481c59b0 CR3: 00000000a5171000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: skb_over_panic net/core/skbuff.c:109 [inline] skb_put.cold+0x23/0x23 net/core/skbuff.c:1702 dump_esp_combs net/key/af_key.c:2999 [inline] pfkey_send_acquire+0x1ba7/0x2600 net/key/af_key.c:3220 km_query+0xd0/0x220 net/xfrm/xfrm_state.c:1988 xfrm_state_find+0x1d4f/0x2dc0 net/xfrm/xfrm_state.c:1038 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:1413 [inline] xfrm_tmpl_resolve+0x32a/0xc90 net/xfrm/xfrm_policy.c:1458 xfrm_resolve_and_create_bundle+0x137/0x2320 net/xfrm/xfrm_policy.c:1756 xfrm_lookup_with_ifid+0x278/0x1cd0 net/xfrm/xfrm_policy.c:2079 xfrm_lookup net/xfrm/xfrm_policy.c:2203 [inline] xfrm_lookup_route+0x3b/0x1f0 net/xfrm/xfrm_policy.c:2214 ip_route_output_flow+0xad/0xc0 net/ipv4/route.c:2615 udp_sendmsg+0x1ade/0x25f0 net/ipv4/udp.c:1090 udpv6_sendmsg+0x13a4/0x28d0 net/ipv6/udp.c:1211 inet_sendmsg+0x147/0x5d0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xdd/0x130 net/socket.c:632 ___sys_sendmsg+0x3e2/0x930 net/socket.c:2115 __sys_sendmmsg+0x1bf/0x4e0 net/socket.c:2210 __do_sys_sendmmsg net/socket.c:2239 [inline] __se_sys_sendmmsg net/socket.c:2236 [inline] __x64_sys_sendmmsg+0x9d/0x100 net/socket.c:2236 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x458da9 Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5a4f2c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000458da9 RDX: 00000000000005c3 RSI: 0000000020000240 RDI: 0000000000000005 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000000f0 R11: 0000000000000246 R12: 00007f5a4f2c36d4 R13: 00000000004c5fac R14: 00000000004da760 R15: 00000000ffffffff Modules linked in: ---[ end trace 4108ede33422509b ]--- RIP: 0010:skb_panic+0x17c/0x17e net/core/skbuff.c:104 Code: 4c 8b 4d b8 8b 8b 80 00 00 00 41 57 45 89 f0 4c 89 ea ff 75 d0 4c 89 e6 48 c7 c7 40 b9 dc 87 ff 75 c8 ff 75 c0 e8 bb 98 f2 fb <0f> 0b e8 10 11 08 fc 4c 8b 6d 08 e8 c7 5a 3e fc 48 c7 c1 80 c2 dc RSP: 0000:ffff88805ce8eae8 EFLAGS: 00010282 RAX: 0000000000000086 RBX: ffff88808fa25780 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8155e196 RDI: ffffed100b9d1d4f RBP: ffff88805ce8eb50 R08: 0000000000000086 R09: ffffed1015d04fe9 R10: ffffed1015d04fe8 R11: ffff8880ae827f47 R12: ffffffff87dcc2c0 R13: ffffffff86160aa7 R14: 0000000000000048 R15: ffffffff87dcb900 FS: 00007f5a4f2c3700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000f290d0 CR3: 00000000a5171000 CR4: 00000000001406e0