------------[ cut here ]------------
WARNING: CPU: 1 PID: 18222 at include/linux/skbuff.h:2723 pskb_may_pull_reason include/linux/skbuff.h:2723 [inline]
WARNING: CPU: 1 PID: 18222 at include/linux/skbuff.h:2723 pskb_may_pull include/linux/skbuff.h:2739 [inline]
WARNING: CPU: 1 PID: 18222 at include/linux/skbuff.h:2723 mpls_gso_segment+0x773/0xaa0 net/mpls/mpls_gso.c:34
Modules linked in:
CPU: 1 PID: 18222 Comm: syz-executor.3 Not tainted 6.8.0-rc5-syzkaller-01555-ga818bd12538c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:pskb_may_pull_reason include/linux/skbuff.h:2723 [inline]
RIP: 0010:pskb_may_pull include/linux/skbuff.h:2739 [inline]
RIP: 0010:mpls_gso_segment+0x773/0xaa0 net/mpls/mpls_gso.c:34
Code: 48 81 c4 a0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 3c 8a 48 f6 48 c7 c3 ea ff ff ff eb d9 e8 2e 8a 48 f6 90 <0f> 0b 90 e9 ff f9 ff ff 44 89 ef 44 89 e6 e8 da 8b 48 f6 45 39 e5
RSP: 0018:ffffc90013377188 EFLAGS: 00010287
RAX: ffffffff8b4ae342 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000a21c000 RSI: 0000000000001032 RDI: 0000000000001033
RBP: ffff88801ef3d0b0 R08: ffffffff8b4add3c R09: 1ffffffff2593e84
R10: dffffc0000000000 R11: ffffffff8b4adbd0 R12: fffffffffffffff0
R13: 000000000000000e R14: dffffc0000000000 R15: ffff88801ef3d000
FS:  00007fd1dc59a6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000f000 CR3: 000000007e2e2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 skb_mac_gso_segment+0x383/0x740 net/core/gso.c:53
 __skb_gso_segment+0x324/0x4c0 net/core/gso.c:124
 skb_gso_segment include/net/gso.h:83 [inline]
 validate_xmit_skb+0x580/0x1120 net/core/dev.c:3611
 validate_xmit_skb_list+0x95/0x130 net/core/dev.c:3661
 sch_direct_xmit+0x11a/0x5f0 net/sched/sch_generic.c:327
 qdisc_restart net/sched/sch_generic.c:407 [inline]
 __qdisc_run+0xbed/0x2150 net/sched/sch_generic.c:415
 __dev_xmit_skb net/core/dev.c:3822 [inline]
 __dev_queue_xmit+0xfc6/0x3b10 net/core/dev.c:4300
 packet_snd net/packet/af_packet.c:3081 [inline]
 packet_sendmsg+0x46a9/0x6130 net/packet/af_packet.c:3113
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 __sys_sendto+0x3a4/0x4f0 net/socket.c:2191
 __do_sys_sendto net/socket.c:2203 [inline]
 __se_sys_sendto net/socket.c:2199 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2199
 do_syscall_64+0xf9/0x240
 entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fd1db87dda9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd1dc59a0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fd1db9abf80 RCX: 00007fd1db87dda9
RDX: 000000000000fc13 RSI: 0000000020000280 RDI: 0000000000000003
RBP: 00007fd1db8ca47a R08: 0000000000000000 R09: 000000000000002f
R10: 0000000000000800 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fd1db9abf80 R15: 00007ffdbef47d38
 </TASK>