skbuff: skb_under_panic: text:ffffffff89f0053b len:23 put:19 head:ffff88802f320000 data:ffff88802f31ffff tail:0x16 end:0x140 dev:bond1
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:193!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 PID: 4738 Comm: dhcpcd Not tainted 6.8.0-rc4-syzkaller-g841c35169323 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:skb_panic net/core/skbuff.c:193 [inline]
RIP: 0010:skb_under_panic+0x14b/0x150 net/core/skbuff.c:203
Code: 9f 8c 48 c7 c6 68 53 a6 8d 48 8b 54 24 08 8b 0c 24 44 8b 44 24 04 4d 89 e9 50 41 54 41 57 41 56 e8 2a 77 2b 02 48 83 c4 20 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3
RSP: 0018:ffffc90003577678 EFLAGS: 00010286
RAX: 0000000000000086 RBX: dffffc0000000000 RCX: 174e8e418f3e6800
RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000000
RBP: ffff88802a70e650 R08: ffffffff81753e4c R09: 1ffff920006aee6c
R10: dffffc0000000000 R11: fffff520006aee6d R12: 0000000000000140
R13: ffff88802f320000 R14: ffff88802f31ffff R15: 0000000000000016
FS:  00007efda3f4a740(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fe6c926131 CR3: 000000002d09e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 skb_push+0xe5/0x100 net/core/skbuff.c:2489
 ipgre_header+0x6b/0x480 net/ipv4/ip_gre.c:857
 dev_hard_header include/linux/netdevice.h:3225 [inline]
 lapbeth_data_transmit+0x1f6/0x2a0 drivers/net/wan/lapbether.c:257
 lapb_data_transmit+0x91/0xb0 net/lapb/lapb_iface.c:447
 lapb_transmit_buffer+0x168/0x1f0 net/lapb/lapb_out.c:149
 lapb_establish_data_link+0x84/0xd0
 lapb_device_event+0x4e0/0x670
 notifier_call_chain+0x18f/0x3b0 kernel/notifier.c:93
 __dev_notify_flags+0x207/0x400
 dev_change_flags+0xf0/0x1a0 net/core/dev.c:8725
 devinet_ioctl+0xab8/0x1bc0 net/ipv4/devinet.c:1167
 inet_ioctl+0x3d7/0x4f0 net/ipv4/af_inet.c:1000
 sock_do_ioctl+0x158/0x460 net/socket.c:1222
 sock_ioctl+0x629/0x8e0 net/socket.c:1341
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:857
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7efda4018d49
Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
RSP: 002b:00007ffc821b1328 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007efda3f4a6c0 RCX: 00007efda4018d49
RDX: 00007ffc821c1518 RSI: 0000000000008914 RDI: 0000000000000017
RBP: 00007ffc821d16d8 R08: 00007ffc821c14d8 R09: 00007ffc821c1488
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc821c1518 R14: 0000000000000028 R15: 0000000000008914
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:skb_panic net/core/skbuff.c:193 [inline]
RIP: 0010:skb_under_panic+0x14b/0x150 net/core/skbuff.c:203
Code: 9f 8c 48 c7 c6 68 53 a6 8d 48 8b 54 24 08 8b 0c 24 44 8b 44 24 04 4d 89 e9 50 41 54 41 57 41 56 e8 2a 77 2b 02 48 83 c4 20 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3
RSP: 0018:ffffc90003577678 EFLAGS: 00010286
RAX: 0000000000000086 RBX: dffffc0000000000 RCX: 174e8e418f3e6800
RDX: 0000000000000000 RSI: 0000000000000201 RDI: 0000000000000000
RBP: ffff88802a70e650 R08: ffffffff81753e4c R09: 1ffff920006aee6c
R10: dffffc0000000000 R11: fffff520006aee6d R12: 0000000000000140
R13: ffff88802f320000 R14: ffff88802f31ffff R15: 0000000000000016
FS:  00007efda3f4a740(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fe6c926131 CR3: 000000002d09e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400