skbuff: skb_under_panic: text:ffffffff881857e1 len:47 put:44 head:ffff88807e661800 data:ffff88807e6617d8 tail:0x7 end:0xc0 dev:ip6gre0.1
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:113!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 23083 Comm: syz-executor.3 Not tainted 5.18.0-rc1-syzkaller-00273-g626a5aaa5067 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:113
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 5d cf 8a ff 74 24 10 ff 74 24 20 e8 75 84 c1 ff <0f> 0b e8 da 6e 1e f8 4c 8b 64 24 18 e8 10 19 6a f8 48 c7 c1 e0 69
RSP: 0018:ffffc900121cf648 EFLAGS: 00010286
RAX: 0000000000000088 RBX: ffff88807934adc0 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff81601568 RDI: fffff52002439ebb
RBP: ffffffff8acf69e0 R08: 0000000000000088 R09: 0000000000000000
R10: ffffffff815fbf3e R11: 0000000000000000 R12: ffffffff881857e1
R13: 000000000000002c R14: ffff888065a76000 R15: 00000000000000c0
FS:  00007f55d4450700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 0000000064123000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 skb_under_panic net/core/skbuff.c:123 [inline]
 skb_push.cold+0x24/0x24 net/core/skbuff.c:2039
 ip6gre_header+0xc1/0x8c0 net/ipv6/ip6_gre.c:1370
 dev_hard_header include/linux/netdevice.h:2981 [inline]
 vlan_dev_hard_header+0x13d/0x510 net/8021q/vlan_dev.c:82
 dev_hard_header include/linux/netdevice.h:2981 [inline]
 llc_mac_hdr_init+0x12f/0x190 net/llc/llc_output.c:33
 llc_build_and_send_ui_pkt+0x1d0/0x280 net/llc/llc_output.c:65
 llc_ui_sendmsg+0x7be/0x10d0 net/llc/af_llc.c:976
 sock_sendmsg_nosec net/socket.c:705 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:725
 ____sys_sendmsg+0x32b/0x800 net/socket.c:2413
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2467
 __sys_sendmmsg+0x195/0x470 net/socket.c:2553
 __do_sys_sendmmsg net/socket.c:2582 [inline]
 __se_sys_sendmmsg net/socket.c:2579 [inline]
 __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2579
 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+0x44/0xae
RIP: 0033:0x7f55d3289049
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:00007f55d4450168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f55d339bf60 RCX: 00007f55d3289049
RDX: 03fffffffffffeed RSI: 0000000020001380 RDI: 0000000000000004
RBP: 00007f55d32e308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff7d63388f R14: 00007f55d4450300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:113
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 5d cf 8a ff 74 24 10 ff 74 24 20 e8 75 84 c1 ff <0f> 0b e8 da 6e 1e f8 4c 8b 64 24 18 e8 10 19 6a f8 48 c7 c1 e0 69
RSP: 0018:ffffc900121cf648 EFLAGS: 00010286
RAX: 0000000000000088 RBX: ffff88807934adc0 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff81601568 RDI: fffff52002439ebb
RBP: ffffffff8acf69e0 R08: 0000000000000088 R09: 0000000000000000
R10: ffffffff815fbf3e R11: 0000000000000000 R12: ffffffff881857e1
R13: 000000000000002c R14: ffff888065a76000 R15: 00000000000000c0
FS:  00007f55d4450700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e72f000 CR3: 0000000064123000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400