------------[ cut here ]------------
len > ((int)(~0U >> 1))
WARNING: ./include/linux/skbuff.h:2865 at erspan_xmit+0x1049/0x1590, CPU#1: syz.2.5386/25065
Modules linked in:
CPU: 1 UID: 0 PID: 25065 Comm: syz.2.5386 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:erspan_xmit+0x1049/0x1590
Code: ff ff 4c 89 f7 48 89 de ba 2f 00 00 00 44 89 f9 e8 cc dc fa ff e9 56 f7 ff ff e8 b2 3d 7e f7 e9 22 f7 ff ff e8 a8 3d 7e f7 90 <0f> 0b 90 e9 15 f1 ff ff 44 89 ff 89 de e8 55 3f 7e f7 41 39 df 4c
RSP: 0018:ffffc90007216520 EFLAGS: 00010287
RAX: ffffffff8a47a228 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc90020001000 RSI: 0000000000000de1 RDI: 0000000000000de2
RBP: ffffc90007216610 R08: ffffffff9033c4f7 R09: 1ffffffff206789e
R10: dffffc0000000000 R11: ffffffff8a4791e0 R12: ffff8881a9945bd8
R13: dffffc0000000000 R14: ffff8881a9945b00 R15: 00000000ffffffc4
FS:  00007f9e826cd6c0(0000) GS:ffff8882a91f9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000008038 CR3: 00000001ba98c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 dev_hard_start_xmit+0x2cd/0x830
 sch_direct_xmit+0x257/0x4c0
 __dev_queue_xmit+0x1754/0x37f0
 br_dev_queue_push_xmit+0x370/0x4b0
 NF_HOOK+0x360/0x3f0
 br_forward_finish+0xd3/0x130
 NF_HOOK+0x360/0x3f0
 __br_forward+0x397/0x540
 br_dev_xmit+0xc0e/0x1a30
 dev_hard_start_xmit+0x2cd/0x830
 __dev_queue_xmit+0x1435/0x37f0
 vlan_dev_hard_start_xmit+0x201/0x420
 __dev_direct_xmit+0x49b/0x730
 xsk_generic_xmit+0x27ab/0x4130
 xsk_poll+0x326/0x670
 sock_poll+0x338/0x3f0
 do_select+0x1067/0x17f0
 core_sys_select+0x86d/0xb40
 __se_sys_pselect6+0x267/0x320
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9e8179e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9e826cd028 EFLAGS: 00000246 ORIG_RAX: 000000000000010e
RAX: ffffffffffffffda RBX: 00007f9e81a25fa0 RCX: 00007f9e8179e159
RDX: 0000000000000000 RSI: 00002000000001c0 RDI: 0000000000000040
RBP: 00007f9e8183506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000200000000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9e81a26038 R14: 00007f9e81a25fa0 R15: 00007ffe9fc33208
 </TASK>
