skb linear: 00000090: 1a 7c 04 b2 66 59 49 75 dc 4e 34 62 b7 43 c7 65 skb linear: 000000a0: 2a 53 01 66 30 23 6e 30 57 62 36 f9 2b b5 50 e7 skb linear: 000000b0: 9c ed ca d8 80 b6 79 39 00 00 80 5a e0 3a a3 0c skb linear: 000000c0: fe b5 c6 c3 63 20 c2 e3 da 0a 9b 47 1d cb 36 d4 skb linear: 000000d0: 80 14 d8 d4 76 43 c7 47 3c fe c0 03 f4 cc 53 8b skb linear: 000000e0: f7 e5 1e de 5e 27 94 53 93 bc 20 6b 60 c9 b8 b7 skb linear: 000000f0: 00 00 00 00 00 00 ------------[ cut here ]------------ erspan0: caps=(0x0000000000006869, 0x0000000000000000) WARNING: CPU: 1 PID: 18917 at net/core/dev.c:3262 skb_warn_bad_offload+0x118/0x240 net/core/dev.c:3262 Modules linked in: CPU: 1 PID: 18917 Comm: syz-executor.1 Not tainted 6.6.0-rc4-syzkaller-00029-gcbf3a2cb156a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:skb_warn_bad_offload+0x118/0x240 net/core/dev.c:3262 Code: 70 03 00 00 e8 29 13 55 f9 48 81 c5 f0 00 00 00 e8 1d 13 55 f9 48 89 d9 48 89 ea 4c 89 e6 48 c7 c7 20 1b a3 8b e8 68 3b 1b f9 <0f> 0b 5b 5d 41 5c 41 5d e9 fb 12 55 f9 e8 f6 12 55 f9 48 89 ea 49 RSP: 0018:ffffc90005a4f488 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff8880786b6370 RCX: ffffc9000aea3000 RDX: 0000000000040000 RSI: ffffffff814df0c6 RDI: 0000000000000001 RBP: ffff8880279e80f0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: fffffffffffc6090 R12: ffff8880279e8000 R13: 0000000000000065 R14: 000000000000000e R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9900000(0063) knlGS:00000000f7fc1b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020001040 CR3: 00000000258b5000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __skb_gso_segment+0x3ef/0x710 net/core/gso.c:127 skb_gso_segment include/net/gso.h:83 [inline] validate_xmit_skb+0x3a5/0xf10 net/core/dev.c:3625 validate_xmit_skb_list+0xc1/0x130 net/core/dev.c:3675 sch_direct_xmit+0x3e6/0xc20 net/sched/sch_generic.c:327 __dev_xmit_skb net/core/dev.c:3771 [inline] __dev_queue_xmit+0x126e/0x3d60 net/core/dev.c:4306 dev_queue_xmit include/linux/netdevice.h:3082 [inline] packet_xmit+0x257/0x380 net/packet/af_packet.c:276 packet_snd net/packet/af_packet.c:3087 [inline] packet_sendmsg+0x24d9/0x5580 net/packet/af_packet.c:3119 sock_sendmsg_nosec net/socket.c:730 [inline] sock_sendmsg+0xd9/0x180 net/socket.c:753 ____sys_sendmsg+0x6ac/0x940 net/socket.c:2541 ___sys_sendmsg+0x135/0x1d0 net/socket.c:2595 __sys_sendmsg+0x117/0x1e0 net/socket.c:2624 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7fc6579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7fc15ac EFLAGS: 00000292 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000140 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi