skbuff: skb_over_panic: text:ffffffff883cc6c6 len:1744 put:72 head:ffff88808ee69000 data:ffff88808ee69000 tail:0x6d0 end:0x6c0 dev: ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:120! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 6383 Comm: syz-executor.1 Not tainted 6.1.0-rc1-next-20221021-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:skb_push.cold-0x2/0x24 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 80 69 d4 8a ff 74 24 10 ff 74 24 20 e8 b2 77 c1 ff <0f> 0b e8 d4 d0 f1 f7 4c 8b 64 24 18 e8 ba 52 3e f8 48 c7 c1 e0 76 RSP: 0000:ffffc900098dee70 EFLAGS: 00010286 RAX: 0000000000000089 RBX: ffff888078380000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff81621a58 RDI: fffff5200131bdc0 RBP: ffffffff8ad47720 R08: 0000000000000089 R09: 0000000000000000 R10: 0000000080000000 R11: 203a666675626b73 R12: ffffffff883cc6c6 R13: 0000000000000048 R14: ffffffff8ad46940 R15: 00000000000006c0 FS: 00007fe693d28700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f355a761920 CR3: 000000007a175000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skb_over_panic net/core/skbuff.c:125 [inline] warn_crc32c_csum_combine.cold+0x0/0x1d net/core/skbuff.c:2152 dump_esp_combs net/key/af_key.c:3009 [inline] pfkey_send_acquire+0x1856/0x2520 net/key/af_key.c:3230 km_query+0xac/0x220 net/xfrm/xfrm_state.c:2248 xfrm_state_find+0x2bfe/0x4f10 net/xfrm/xfrm_state.c:1165 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2392 [inline] xfrm_tmpl_resolve+0x2f3/0xd40 net/xfrm/xfrm_policy.c:2437 xfrm_resolve_and_create_bundle+0x123/0x2580 net/xfrm/xfrm_policy.c:2730 xfrm_lookup_with_ifid+0x229/0x20f0 net/xfrm/xfrm_policy.c:3064 xfrm_lookup net/xfrm/xfrm_policy.c:3193 [inline] xfrm_lookup_route+0x36/0x1e0 net/xfrm/xfrm_policy.c:3204 ip_route_output_flow+0x114/0x150 net/ipv4/route.c:2880 udp_sendmsg+0x1963/0x2740 net/ipv4/udp.c:1224 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:825 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x334/0x8c0 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: 0033:0x7fe69308b5a9 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe693d28168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007fe6931ac120 RCX: 00007fe69308b5a9 RDX: 000000000800001d RSI: 0000000020007fc0 RDI: 0000000000000005 RBP: 00007fe6930e67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff67f3988f R14: 00007fe693d28300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:skb_push.cold-0x2/0x24 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 80 69 d4 8a ff 74 24 10 ff 74 24 20 e8 b2 77 c1 ff <0f> 0b e8 d4 d0 f1 f7 4c 8b 64 24 18 e8 ba 52 3e f8 48 c7 c1 e0 76 RSP: 0000:ffffc900098dee70 EFLAGS: 00010286 RAX: 0000000000000089 RBX: ffff888078380000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff81621a58 RDI: fffff5200131bdc0 RBP: ffffffff8ad47720 R08: 0000000000000089 R09: 0000000000000000 R10: 0000000080000000 R11: 203a666675626b73 R12: ffffffff883cc6c6 R13: 0000000000000048 R14: ffffffff8ad46940 R15: 00000000000006c0 FS: 00007fe693d28700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000208ff000 CR3: 000000007a175000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400