skbuff: skb_under_panic: text:ffffffff87f983b7 len:23 put:19 head:ffff888146198400 data:ffff8881461983ff tail:0x16 end:0xc0 dev:bond1
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:116!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3184 Comm: dhcpcd Not tainted 5.19.0-syzkaller-13930-g7ebfc85e2cd7 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:116
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 c0 b5 f3 8a ff 74 24 10 ff 74 24 20 e8 5b ef c0 ff <0f> 0b e8 f2 79 02 f8 4c 8b 64 24 18 e8 e8 c7 4e f8 48 c7 c1 a0 c2
RSP: 0018:ffffc900031ff728 EFLAGS: 00010282
RAX: 0000000000000085 RBX: ffff88801ca16500 RCX: 0000000000000000
RDX: ffff888026175880 RSI: ffffffff8161f148 RDI: fffff5200063fed7
RBP: ffffffff8af3c2a0 R08: 0000000000000085 R09: 0000000000000000
R10: 0000000000000201 R11: 0000000000000000 R12: ffffffff87f983b7
R13: 0000000000000013 R14: ffff888017138000 R15: 00000000000000c0
FS:  00007fed4d50e740(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f75ff5b9a70 CR3: 000000001c833000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 skb_under_panic net/core/skbuff.c:126 [inline]
 skb_push.cold+0x24/0x24 net/core/skbuff.c:2064
 ipgre_header+0x67/0x3c0 net/ipv4/ip_gre.c:852
 dev_hard_header include/linux/netdevice.h:3046 [inline]
 lapbeth_data_transmit+0x29f/0x350 drivers/net/wan/lapbether.c:257
 lapb_data_transmit+0x8f/0xc0 net/lapb/lapb_iface.c:447
 lapb_transmit_buffer+0x183/0x390 net/lapb/lapb_out.c:149
 lapb_send_control+0x1c7/0x370 net/lapb/lapb_subr.c:251
 lapb_establish_data_link+0xe7/0x110 net/lapb/lapb_out.c:163
 lapb_device_event+0x395/0x560 net/lapb/lapb_iface.c:512
 notifier_call_chain+0xb5/0x200 kernel/notifier.c:87
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1945
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 __dev_notify_flags+0x110/0x2b0 net/core/dev.c:8594
 dev_change_flags+0x112/0x170 net/core/dev.c:8632
 devinet_ioctl+0x1601/0x1ce0 net/ipv4/devinet.c:1146
 inet_ioctl+0x1e6/0x320 net/ipv4/af_inet.c:968
 sock_do_ioctl+0xcc/0x230 net/socket.c:1169
 sock_ioctl+0x2f1/0x640 net/socket.c:1286
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __x64_sys_ioctl+0x193/0x200 fs/ioctl.c:856
 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: 0033:0x7fed4d5fc0e7
Code: 3c 1c e8 1c ff ff ff 85 c0 79 87 49 c7 c4 ff ff ff ff 5b 5d 4c 89 e0 41 5c c3 66 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 61 9d 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffffc8fc788 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fed4d50e6c8 RCX: 00007fed4d5fc0e7
RDX: 00007ffffc90c978 RSI: 0000000000008914 RDI: 0000000000000018
RBP: 00007ffffc91cb28 R08: 00007ffffc90c938 R09: 00007ffffc90c8e8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffffc90c978 R14: 0000000000000028 R15: 0000000000008914
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:skb_panic+0x16c/0x16e net/core/skbuff.c:116
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 c0 b5 f3 8a ff 74 24 10 ff 74 24 20 e8 5b ef c0 ff <0f> 0b e8 f2 79 02 f8 4c 8b 64 24 18 e8 e8 c7 4e f8 48 c7 c1 a0 c2
RSP: 0018:ffffc900031ff728 EFLAGS: 00010282
RAX: 0000000000000085 RBX: ffff88801ca16500 RCX: 0000000000000000
RDX: ffff888026175880 RSI: ffffffff8161f148 RDI: fffff5200063fed7
RBP: ffffffff8af3c2a0 R08: 0000000000000085 R09: 0000000000000000
R10: 0000000000000201 R11: 0000000000000000 R12: ffffffff87f983b7
R13: 0000000000000013 R14: ffff888017138000 R15: 00000000000000c0
FS:  00007fed4d50e740(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f75ff5b9a70 CR3: 000000001c833000 CR4: 0000000000350ee0