------------[ cut here ]------------
kernel BUG at net/core/dev.c:2913!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 10863 Comm: syz-executor.0 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+0x819/0x9c0 net/core/dev.c:2913
Code: 7c 24 20 e8 99 6a 23 fb e9 2c fc ff ff e8 9f 8d ed fa 48 89 ef 41 bc ea ff ff ff e8 e1 f1 ff ff e9 e8 fc ff ff e8 87 8d ed fa <0f> 0b e8 80 8d ed fa 48 8b 54 24 20 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffff88804f3f76c8 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000760 RCX: ffffc90005c04000
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
RDX: 0000000000040000 RSI: ffffffff8674f7e9 RDI: 0000000000000004
RBP: ffff8880ac3f1200 R08: 0000000000000000 R09: 000000000000008e
R10: 0000000000000004 R11: 0000000000000000 R12: ffff8880ac3f1284
R13: ffff8880ac3f1290 R14: 0000000000000000 R15: ffff8880ac3f1280
FS:  00007fd4470c7700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3d11326718 CR3: 00000000a86dc000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 netem_enqueue+0x28fc/0x3170 net/sched/sch_netem.c:510
 netem_enqueue+0x1d6b/0x3170 net/sched/sch_netem.c:480
 __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: 0033:0x7fd448752059
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:00007fd4470c7168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fd448864f60 RCX: 00007fd448752059
RDX: 0000000000003287 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00007fd4487ac08d R08: 0000000000000000 R09: 00000000000002ff
R10: 0000000004000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd5fd75b0f R14: 00007fd4470c7300 R15: 0000000000022000
Modules linked in:
---[ end trace dad290daad5196e9 ]---
RIP: 0010:skb_checksum_help+0x819/0x9c0 net/core/dev.c:2913
Code: 7c 24 20 e8 99 6a 23 fb e9 2c fc ff ff e8 9f 8d ed fa 48 89 ef 41 bc ea ff ff ff e8 e1 f1 ff ff e9 e8 fc ff ff e8 87 8d ed fa <0f> 0b e8 80 8d ed fa 48 8b 54 24 20 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffff88804f3f76c8 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000760 RCX: ffffc90005c04000
RDX: 0000000000040000 RSI: ffffffff8674f7e9 RDI: 0000000000000004
RBP: ffff8880ac3f1200 R08: 0000000000000000 R09: 000000000000008e
R10: 0000000000000004 R11: 0000000000000000 R12: ffff8880ac3f1284
R13: ffff8880ac3f1290 R14: 0000000000000000 R15: ffff8880ac3f1280
FS:  00007fd4470c7700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3d11326718 CR3: 00000000a86dc000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400