------------[ cut here ]------------ kernel BUG at include/linux/skbuff.h:2699! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 1728 Comm: syz-executor.2 Not tainted 5.18.0-syzkaller-03023-g7e062cda7d90 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__skb_pull include/linux/skbuff.h:2699 [inline] RIP: 0010:skb_mac_gso_segment+0x48f/0x530 net/core/gro.c:136 Code: 00 48 c7 c7 00 21 d4 8a c6 05 16 3c 48 06 01 e8 90 be d0 01 e9 2f fd ff ff 49 c7 c4 ea ff ff ff e9 f1 fe ff ff e8 51 d9 1b fa <0f> 0b 48 89 df e8 27 1f 68 fa e9 7f fd ff ff e8 3d 1f 68 fa e9 48 RSP: 0018:ffffc900101c74b8 EFLAGS: 00010216 RAX: 00000000000002f6 RBX: 0000000000000012 RCX: ffffc90003422000 RDX: 0000000000040000 RSI: ffffffff875ddb0f RDI: 0000000000000003 RBP: 0000000000009c53 R08: 0000000000000fe0 R09: 0000000000009c53 R10: ffffffff875dd7ac R11: 0000000000000000 R12: 0000000000000fe0 R13: ffff888044ddb140 R14: 1ffff92002038e9b R15: 0000000000000012 FS: 00007fac27274700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200015c0 CR3: 000000004e97b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __skb_gso_segment+0x327/0x6e0 net/core/dev.c:3411 skb_gso_segment include/linux/netdevice.h:4749 [inline] validate_xmit_skb+0x6bc/0xf10 net/core/dev.c:3669 validate_xmit_skb_list+0xbc/0x120 net/core/dev.c:3719 sch_direct_xmit+0x3d1/0xbe0 net/sched/sch_generic.c:327 __dev_xmit_skb net/core/dev.c:3815 [inline] __dev_queue_xmit+0x14a1/0x3a00 net/core/dev.c:4219 packet_snd net/packet/af_packet.c:3071 [inline] packet_sendmsg+0x21cb/0x5550 net/packet/af_packet.c:3102 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x6eb/0x810 net/socket.c:2492 ___sys_sendmsg+0xf3/0x170 net/socket.c:2546 __sys_sendmsg net/socket.c:2575 [inline] __do_sys_sendmsg net/socket.c:2584 [inline] __se_sys_sendmsg net/socket.c:2582 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2582 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fac26089109 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fac27274168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fac2619bf60 RCX: 00007fac26089109 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 00007fac260e308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff5b53b13f R14: 00007fac27274300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__skb_pull include/linux/skbuff.h:2699 [inline] RIP: 0010:skb_mac_gso_segment+0x48f/0x530 net/core/gro.c:136 Code: 00 48 c7 c7 00 21 d4 8a c6 05 16 3c 48 06 01 e8 90 be d0 01 e9 2f fd ff ff 49 c7 c4 ea ff ff ff e9 f1 fe ff ff e8 51 d9 1b fa <0f> 0b 48 89 df e8 27 1f 68 fa e9 7f fd ff ff e8 3d 1f 68 fa e9 48 RSP: 0018:ffffc900101c74b8 EFLAGS: 00010216 RAX: 00000000000002f6 RBX: 0000000000000012 RCX: ffffc90003422000 RDX: 0000000000040000 RSI: ffffffff875ddb0f RDI: 0000000000000003 RBP: 0000000000009c53 R08: 0000000000000fe0 R09: 0000000000009c53 R10: ffffffff875dd7ac R11: 0000000000000000 R12: 0000000000000fe0 R13: ffff888044ddb140 R14: 1ffff92002038e9b R15: 0000000000000012 FS: 00007fac27274700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200015c0 CR3: 000000004e97b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400