------------[ cut here ]------------
WARNING: CPU: 0 PID: 4185 at include/linux/skbuff.h:2723 pskb_may_pull_reason include/linux/skbuff.h:2723 [inline]
WARNING: CPU: 0 PID: 4185 at include/linux/skbuff.h:2723 pskb_may_pull include/linux/skbuff.h:2739 [inline]
WARNING: CPU: 0 PID: 4185 at include/linux/skbuff.h:2723 mpls_gso_segment+0x773/0xaa0 net/mpls/mpls_gso.c:34
Modules linked in:
CPU: 0 PID: 4185 Comm: syz-executor.3 Not tainted 6.8.0-rc4-syzkaller-01524-g85badb2c008a #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 dc b9 48 f6 48 c7 c3 ea ff ff ff eb d9 e8 ce b9 48 f6 90 <0f> 0b 90 e9 ff f9 ff ff 44 89 ef 44 89 e6 e8 7a bb 48 f6 45 39 e5
RSP: 0018:ffffc90003267188 EFLAGS: 00010283
RAX: ffffffff8b4ab292 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc90005589000 RSI: 000000000000105c RDI: 000000000000105d
RBP: ffff888036eee5b0 R08: ffffffff8b4aac8c R09: 1ffffffff2593c84
R10: dffffc0000000000 R11: ffffffff8b4aab20 R12: ffffffffffffff50
R13: 00000000000000a8 R14: dffffc0000000000 R15: ffff888036eee500
FS:  00007f4d3f2c76c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000e000 CR3: 000000003b70e000 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: 0033:0x7f4d3e47dda9
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:00007f4d3f2c70c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f4d3e5abf80 RCX: 00007f4d3e47dda9
RDX: 000000000000e90c RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007f4d3e4ca47a R08: 0000000020000540 R09: 0000000000000014
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f4d3e5abf80 R15: 00007ffcbf7dd5a8
 </TASK>