------------[ cut here ]------------
WARNING: CPU: 1 PID: 4156 at net/core/dev.c:3265 skb_checksum_help+0x3c3/0x580 net/core/dev.c:3251
Modules linked in:
CPU: 1 PID: 4156 Comm: syz-executor.0 Not tainted 6.1.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
RIP: 0010:skb_checksum_help+0x3c3/0x580 net/core/dev.c:3265
Code: 01 00 00 80 a5 80 00 00 00 9f 31 c0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 89 ef e8 84 fa ff ff b8 ea ff ff ff eb e2 <0f> 0b 80 3d 2f 30 3e 06 00 0f 84 3d 01 00 00 48 83 c4 18 b8 ea ff
RSP: 0018:ffffc900049ef668 EFLAGS: 00010283
RAX: 00000000000003fa RBX: ffff8880748c3210 RCX: 000000000000019a
RDX: 000000000000019a RSI: 0000000000000348 RDI: ffff8880748c31c8
RBP: ffff8880748c3140 R08: 0000000000000000 R09: ffffffff90227aff
R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880748c31c0
R13: 00000000000000b2 R14: ffff8880748c31b4 R15: ffff8880748c31b0
FS:  00007f24281c2700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000f000 CR3: 000000001c237000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 netem_enqueue+0x24c4/0x3300 net/sched/sch_netem.c:510
 netem_enqueue+0xd76/0x3300 net/sched/sch_netem.c:483
 dev_qdisc_enqueue+0x3b/0x2b0 net/core/dev.c:3778
 __dev_xmit_skb net/core/dev.c:3867 [inline]
 __dev_queue_xmit+0x1b29/0x31f0 net/core/dev.c:4215
 packet_snd net/packet/af_packet.c:3073 [inline]
 packet_sendmsg+0x2925/0x49d0 net/packet/af_packet.c:3104
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg+0xaf/0xe0 net/socket.c:734
 __sys_sendto+0x1bf/0x290 net/socket.c:2117
 __do_sys_sendto net/socket.c:2129 [inline]
 __se_sys_sendto net/socket.c:2125 [inline]
 __x64_sys_sendto+0xdc/0x1b0 net/socket.c:2125
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f242748c0f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f24281c2168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f24275abf80 RCX: 00007f242748c0f9
RDX: 000000000000fc13 RSI: 0000000020000280 RDI: 0000000000000003
RBP: 00007f24274e7ae9 R08: 0000000000000000 R09: 000000000000002f
R10: 0000000000000800 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2bb24daf R14: 00007f24281c2300 R15: 0000000000022000
 </TASK>