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kernel BUG at include/linux/skbuff.h:2150!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 9586 Comm: syz-executor.2 Not tainted 4.14.299-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
task: ffff8880438b6000 task.stack: ffff8880438b8000
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:ffff8880438bf758 EFLAGS: 00010212
RAX: 0000000000040000 RBX: ffff88809f5eaa40 RCX: ffffc900082eb000
RDX: 000000000000026f RSI: ffffffff85bf49b1 RDI: ffff88809f5eaac4
RBP: 0000000000000018 R08: 0000000000000000 R09: 0000000000000001
R10: ffff88809edd2b33 R11: 0000000000000000 R12: 00000000000010de
R13: ffff88809f5eab18 R14: ffff88809f5eab10 R15: ffff88809edd2b20
FS:  00007fa8a88b9700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000200001c0 CR3: 00000000a06ee000 CR4: 00000000003406f0
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]
 packet_direct_xmit+0x410/0x610 net/packet/af_packet.c:269
 packet_snd+0x13aa/0x26f0 net/packet/af_packet.c:3032
 packet_sendmsg+0x12ed/0x33a0 net/packet/af_packet.c:3061
 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
Code: 00 00 4c 89 a3 d8 00 00 00 e8 2c 0e 96 fb 4c 89 e0 5b 5d 41 5c c3 e8 1f 0e 96 fb 45 31 e4 5b 4c 89 e0 5d 41 5c c3 e8 0f 0e 96 fb <0f> 0b e8 58 cb bf fb e9 49 ff ff ff e8 4e cb bf fb eb 8e e8 b7 
RIP: __skb_pull include/linux/skbuff.h:2150 [inline] RSP: ffff8880438bf758
RIP: skb_pull_inline include/linux/skbuff.h:2156 [inline] RSP: ffff8880438bf758
RIP: skb_pull net/core/skbuff.c:1745 [inline] RSP: ffff8880438bf758
RIP: skb_pull+0xe1/0x100 net/core/skbuff.c:1743 RSP: ffff8880438bf758
---[ end trace 43384adf912a6cc9 ]---