skbuff: skb_under_panic: text:ffffffff883598ca len:40 put:40 head:ffff88808104c800 data:ffff88808104c7e8 tail:0x10 end:0xc0 dev:<NULL>
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:120!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 16201 Comm: syz-executor.4 Not tainted 6.1.0-rc4-syzkaller-00372-gaf7a05689189 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:120
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 40 71 f4 8a ff 74 24 10 ff 74 24 20 e8 fb 05 c1 ff <0f> 0b e8 5d 2f f3 f7 4c 8b 64 24 18 e8 c3 7a 3f f8 48 c7 c1 a0 7e
RSP: 0018:ffffc9000a947630 EFLAGS: 00010282
RAX: 0000000000000086 RBX: ffff88801f5f4b40 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff81622b98 RDI: fffff52001528eb8
RBP: ffffffff8af47ea0 R08: 0000000000000086 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff883598ca
R13: 0000000000000028 R14: ffffffff8af47100 R15: 00000000000000c0
FS:  00007fe38f7de700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8191214300 CR3: 0000000079d97000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 skb_under_panic net/core/skbuff.c:130 [inline]
 skb_push.cold+0x24/0x24 net/core/skbuff.c:2171
 ip6gre_header+0xba/0x8c0 net/ipv6/ip6_gre.c:1403
 dev_hard_header include/linux/netdevice.h:3060 [inline]
 packet_snd net/packet/af_packet.c:3025 [inline]
 packet_sendmsg+0x3995/0x5510 net/packet/af_packet.c:3104
 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: 0033:0x7fe39048b639
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:00007fe38f7de168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007fe3905ac120 RCX: 00007fe39048b639
RDX: 0000000001bdd307 RSI: 0000000020000d00 RDI: 0000000000000004
RBP: 00007fe3904e67e1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe52e4bccf R14: 00007fe38f7de300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:120
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 40 71 f4 8a ff 74 24 10 ff 74 24 20 e8 fb 05 c1 ff <0f> 0b e8 5d 2f f3 f7 4c 8b 64 24 18 e8 c3 7a 3f f8 48 c7 c1 a0 7e
RSP: 0018:ffffc9000a947630 EFLAGS: 00010282
RAX: 0000000000000086 RBX: ffff88801f5f4b40 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff81622b98 RDI: fffff52001528eb8
RBP: ffffffff8af47ea0 R08: 0000000000000086 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffffffff883598ca
R13: 0000000000000028 R14: ffffffff8af47100 R15: 00000000000000c0
FS:  00007fe38f7de700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ef42000 CR3: 0000000079d97000 CR4: 0000000000350ef0