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kernel BUG at net/core/dev.c:2917!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 30100 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:skb_checksum_help+0x851/0x9c0 net/core/dev.c:2917
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 84 eb fb ff ff 48 8b 7c 24 20 e8 49 6a 23 fb e9 dc fb ff ff e8 4f 8d ed fa <0f> 0b 4c 89 ef e8 e5 67 23 fb e9 dc f7 ff ff 4c 89 e7 e8 98 69 23
RSP: 0018:ffff88809ca3f7c0 EFLAGS: 00010206
RAX: 0000000000040000 RBX: 000000000000036c RCX: ffffc90009544000
RDX: 000000000000f040 RSI: ffffffff8674f821 RDI: 0000000000000006
RBP: ffff888095a19680 R08: ffff88809ca3f750 R09: 000000000000036e
R10: 0000000000000006 R11: 0000000000000000 R12: ffff888095a19704
R13: ffff888095a19710 R14: 00000000b0aafe67 R15: 000000000000008e
FS:  00007f9fa3c0a700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f221000 CR3: 00000000a9e19000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 netem_enqueue+0x28fc/0x3170 net/sched/sch_netem.c:510
 __dev_xmit_skb net/core/dev.c:3494 [inline]
 __dev_queue_xmit+0x140a/0x2e00 net/core/dev.c:3807
 packet_snd net/packet/af_packet.c:2988 [inline]
 packet_sendmsg+0x25ae/0x7720 net/packet/af_packet.c:3013
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 __sys_sendto+0x21a/0x320 net/socket.c:1899
 __do_sys_sendto net/socket.c:1911 [inline]
 __se_sys_sendto net/socket.c:1907 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f9fa5295109
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:00007f9fa3c0a168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f9fa53a7f60 RCX: 00007f9fa5295109
RDX: 0000000000003287 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00007f9fa52ef05d R08: 0000000000000000 R09: 00000000000002ff
R10: 0000000004000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffea9a120f R14: 00007f9fa3c0a300 R15: 0000000000022000
Modules linked in:
---[ end trace abd9fade016e3731 ]---
RIP: 0010:skb_checksum_help+0x851/0x9c0 net/core/dev.c:2917
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 84 eb fb ff ff 48 8b 7c 24 20 e8 49 6a 23 fb e9 dc fb ff ff e8 4f 8d ed fa <0f> 0b 4c 89 ef e8 e5 67 23 fb e9 dc f7 ff ff 4c 89 e7 e8 98 69 23
RSP: 0018:ffff88809ca3f7c0 EFLAGS: 00010206
RAX: 0000000000040000 RBX: 000000000000036c RCX: ffffc90009544000
RDX: 000000000000f040 RSI: ffffffff8674f821 RDI: 0000000000000006
RBP: ffff888095a19680 R08: ffff88809ca3f750 R09: 000000000000036e
R10: 0000000000000006 R11: 0000000000000000 R12: ffff888095a19704
R13: ffff888095a19710 R14: 00000000b0aafe67 R15: 000000000000008e
FS:  00007f9fa3c0a700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f221000 CR3: 00000000a9e19000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400