netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'.
divide error: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 9600 Comm: syz-executor.1 Not tainted 4.14.212-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880925e8180 task.stack: ffff8880559d8000
RIP: 0010:netem_enqueue+0x1364/0x2dec net/sched/sch_netem.c:511
RSP: 0018:ffff8880559df750 EFLAGS: 00010246
RAX: 000000001bc81f83 RBX: ffff8880abe5f040 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88809adf1d40 RDI: ffff88809adf1dc4
RBP: 0000000000000080 R08: ffff88809adf1e18 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8880aa329460 R14: 0000000000000000 R15: ffff8880aa329240
FS:  00007f1d4d91a700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fc23000 CR3: 00000000aa8f5000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 netem_enqueue+0x889/0x2dec net/sched/sch_netem.c:475
 __dev_xmit_skb net/core/dev.c:3225 [inline]
 __dev_queue_xmit+0x121d/0x2480 net/core/dev.c:3489
 __netlink_deliver_tap_skb net/netlink/af_netlink.c:273 [inline]
 __netlink_deliver_tap net/netlink/af_netlink.c:291 [inline]
 netlink_deliver_tap+0x60c/0x7d0 net/netlink/af_netlink.c:302
 netlink_deliver_tap_kernel net/netlink/af_netlink.c:311 [inline]
 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline]
 netlink_unicast+0x485/0x610 net/netlink/af_netlink.c:1313
 netlink_sendmsg+0x62e/0xb80 net/netlink/af_netlink.c:1878
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x6c8/0x800 net/socket.c:2062
 __sys_sendmsg+0xa3/0x120 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x27/0x40 net/socket.c:2103
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45e229
RSP: 002b:00007f1d4d919c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e229
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000006
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffdab8d8d2f R14: 00007f1d4d91a9c0 R15: 000000000119bf8c
Code: 4c 89 44 24 20 89 4c 24 18 89 44 24 10 e8 25 c4 8a fb 4c 8b 44 24 20 8b 4c 24 18 8b 44 24 10 48 8b 34 24 31 d2 2b 8e 84 00 00 00 <f7> f1 48 b8 00 00 00 00 00 fc ff df 48 01 d3 48 89 d9 48 c1 e9 
RIP: netem_enqueue+0x1364/0x2dec net/sched/sch_netem.c:511 RSP: ffff8880559df750
---[ end trace 4eeecd5e1adcf167 ]---