device dummy0 entered promiscuous mode
BUG: unable to handle kernel paging request at fffffff850000006
IP: dummy_set_vf_vlan+0xb8/0x180 drivers/net/dummy.c:192
PGD 766d067 P4D 766d067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 32649 Comm: syz-executor.2 Not tainted 4.14.138 #34
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88804e952580 task.stack: ffff888055000000
RIP: 0010:dummy_set_vf_vlan+0xb8/0x180 drivers/net/dummy.c:192
RSP: 0018:ffff888055007298 EFLAGS: 00010246
RAX: 0000000000000007 RBX: fffffff850000000 RCX: 0000000000000000
RDX: fffffff850000000 RSI: ffffffff83a475a6 RDI: fffffff850000006
RBP: ffff8880550072c8 R08: 0000000000000081 R09: ffff8880550074c8
R10: ffffed100aa00ea5 R11: ffff88805500752f R12: 0000000000000000
R13: ffff88808e9d4980 R14: 00000000000002fd R15: 0000000000000081
FS:  00007f3d0ff04700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffff850000006 CR3: 000000005294a000 CR4: 00000000001406e0
DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 do_setvfinfo net/core/rtnetlink.c:1783 [inline]
 do_setlink+0x11ba/0x2d50 net/core/rtnetlink.c:2135
 rtnl_setlink+0x225/0x320 net/core/rtnetlink.c:2303
 rtnetlink_rcv_msg+0x3eb/0xb70 net/core/rtnetlink.c:4285
 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432
 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4297
 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline]
 netlink_unicast+0x45d/0x640 net/netlink/af_netlink.c:1312
 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xce/0x110 net/socket.c:656
 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062
 __sys_sendmsg+0xb9/0x140 net/socket.c:2096
 SYSC_sendmsg net/socket.c:2107 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2103
 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459829
kobject: 'loop4' (ffff8880a4b0e120): kobject_uevent_env
RSP: 002b:00007f3d0ff03c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
RDX: 0000000000000000 RSI: 000000002000a000 RDI: 0000000000000005
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3d0ff046d4
R13: 00000000004c7751 R14: 00000000004dcf40 R15: 00000000ffffffff
kobject: 'loop4' (ffff8880a4b0e120): fill_kobj_path: path = '/devices/virtual/block/loop4'
Code: 48 c1 e3 03 48 01 da 
kobject: 'loop4' (ffff8880a4b0e120): kobject_uevent_env
48 8d 7a 06 48 89 f9 48 c1 
kobject: 'loop4' (ffff8880a4b0e120): fill_kobj_path: path = '/devices/virtual/block/loop4'
e9 03 0f b6 0c 01 48 89 f8 83 e0 07 83 c0 01 38 c8 7c 08 84 c9 0f 85 92 00 00 00 <66> 44 89 72 06 4d 8b b5 c0 0a 00 00 45 0f b6 e4 48 b8 00 00 00 
RIP: dummy_set_vf_vlan+0xb8/0x180 drivers/net/dummy.c:192 RSP: ffff888055007298
CR2: fffffff850000006
---[ end trace 99eda7d319a30d3e ]---