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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: 10262 Comm: syz-executor.1 Not tainted 4.14.299-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
task: ffff88809e0be000 task.stack: ffff88803cef0000
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:ffff88803cef7508 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffff88809c53c2c0 RCX: ffffc90006ce2000
RDX: 000000000000027f RSI: ffffffff85bf49b1 RDI: ffff88809c53c344
RBP: 0000000000000018 R08: ffffffff85c49f7c R09: 00000000000202b4
R10: ffff88809e0be8b0 R11: ffff88809e0be000 R12: 0000000000000fde
R13: ffff88809c53c398 R14: ffff88809c53c390 R15: ffff88809c49fb20
FS:  00007f75c09e0700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffef562efa8 CR3: 000000009eb66000 CR4: 00000000003406e0
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: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
 sock_no_sendpage+0xe2/0x110 net/core/sock.c:2610
 kernel_sendpage net/socket.c:3407 [inline]
 sock_sendpage+0xdf/0x140 net/socket.c:871
 pipe_to_sendpage+0x226/0x2d0 fs/splice.c:451
 splice_from_pipe_feed fs/splice.c:502 [inline]
 __splice_from_pipe+0x326/0x7a0 fs/splice.c:626
 splice_from_pipe fs/splice.c:661 [inline]
 generic_splice_sendpage+0xc1/0x110 fs/splice.c:832
 do_splice_from fs/splice.c:851 [inline]
 do_splice fs/splice.c:1147 [inline]
 SYSC_splice fs/splice.c:1402 [inline]
 SyS_splice+0xd59/0x1380 fs/splice.c:1382
 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: ffff88803cef7508
RIP: skb_pull_inline include/linux/skbuff.h:2156 [inline] RSP: ffff88803cef7508
RIP: skb_pull net/core/skbuff.c:1745 [inline] RSP: ffff88803cef7508
RIP: skb_pull+0xe1/0x100 net/core/skbuff.c:1743 RSP: ffff88803cef7508
---[ end trace 0aa6416b0ac455ca ]---