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kernel BUG at include/linux/skbuff.h:2150!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 9729 Comm: syz-executor.2 Not tainted 4.14.304-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
task: ffff8880448fc640 task.stack: ffff888044968000
RIP: 0010:__skb_pull include/linux/skbuff.h:2150 [inline]
RIP: 0010:skb_pull_inline include/linux/skbuff.h:2156 [inline]
RIP: 0010:skb_pull net/core/skbuff.c:1745 [inline]
RIP: 0010:skb_pull+0xe1/0x100 net/core/skbuff.c:1743
RSP: 0018:ffff88804496f5d8 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffff88809c3ca0c0 RCX: ffffc9000861f000
RDX: 00000000000003e2 RSI: ffffffff85bf79b1 RDI: ffff88809c3ca144
RBP: 0000000000000018 R08: ffffffff85c4d1ac R09: 00000000000202b3
R10: ffff8880448fcec8 R11: ffff8880448fc640 R12: 0000000000003fde
R13: ffff88809c3ca198 R14: ffff88809c3ca190 R15: ffff88809b5a95a0
FS:  00007fb3e9e05700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000100 CR3: 000000009ddf8000 CR4: 00000000003426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ipgre_xmit+0x26f/0x780 net/ipv4/ip_gre.c:658
 __netdev_start_xmit include/linux/netdevice.h:4054 [inline]
 netdev_start_xmit include/linux/netdevice.h:4063 [inline]
 xmit_one net/core/dev.c:3005 [inline]
 dev_hard_start_xmit+0x188/0x890 net/core/dev.c:3021
 __dev_queue_xmit+0x1d7f/0x2480 net/core/dev.c:3521
 packet_snd+0x13aa/0x26f0 net/packet/af_packet.c:3031
 packet_sendmsg+0x12ed/0x33a0 net/packet/af_packet.c:3060
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7fb3eb8930c9
RSP: 002b:00007fb3e9e05168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb3eb9b2f80 RCX: 00007fb3eb8930c9
RDX: 0000000000000000 RSI: 0000000020000600 RDI: 0000000000000003
RBP: 00007fb3eb8eeae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd0520bb7f R14: 00007fb3e9e05300 R15: 0000000000022000
Code: 00 00 4c 89 a3 d8 00 00 00 e8 ec da 95 fb 4c 89 e0 5b 5d 41 5c c3 e8 df da 95 fb 45 31 e4 5b 4c 89 e0 5d 41 5c c3 e8 cf da 95 fb <0f> 0b e8 18 9d bf fb e9 49 ff ff ff e8 0e 9d bf fb eb 8e e8 77 
RIP: __skb_pull include/linux/skbuff.h:2150 [inline] RSP: ffff88804496f5d8
RIP: skb_pull_inline include/linux/skbuff.h:2156 [inline] RSP: ffff88804496f5d8
RIP: skb_pull net/core/skbuff.c:1745 [inline] RSP: ffff88804496f5d8
RIP: skb_pull+0xe1/0x100 net/core/skbuff.c:1743 RSP: ffff88804496f5d8
---[ end trace d8f9af51d40746bf ]---