BUG: unable to handle kernel paging request at fffffffbc96800d1
IP: dummy_set_vf_rss_query_en+0x7a/0xb0 /drivers/net/dummy.c:231
PGD 766d067 P4D 766d067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 9332 Comm: syz-executor.0 Not tainted 4.14.133 #28
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888060dfc100 task.stack: ffff88805f898000
RIP: 0010:dummy_set_vf_rss_query_en+0x7a/0xb0 /drivers/net/dummy.c:231
kobject: 'loop4' (ffff8880a4b1a120): kobject_uevent_env
RSP: 0018:ffff88805f89f2b0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: fffffffbc96800c0 RCX: ffffc9000805e000
kobject: 'loop4' (ffff8880a4b1a120): fill_kobj_path: path = '/devices/virtual/block/loop4'
RDX: 0000000000000001 RSI: ffffffff83a3fa04 RDI: fffffffbc96800d1
RBP: ffff88805f89f2c8 R08: 1ffff1100bf13e99 R09: ffff88805f89f4c8
R10: ffffed100bf13ea5 R11: ffff88805f89f52f R12: ffff8880a1ab2980
R13: 0000000000000001 R14: ffff88805f89f610 R15: ffff88807a4525a8
FS:  00007f4b146c9700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffbc96800d1 CR3: 000000008a7e9000 CR4: 00000000001406f0
Call Trace:
 do_setvfinfo /net/core/rtnetlink.c:1878 [inline]
 do_setlink+0x19e9/0x2d50 /net/core/rtnetlink.c:2135
kobject: 'loop4' (ffff8880a4b1a120): kobject_uevent_env
 rtnl_setlink+0x225/0x320 /net/core/rtnetlink.c:2303
kobject: 'loop4' (ffff8880a4b1a120): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'nullb0' (ffff8880a3dcac60): kobject_uevent_env
 rtnetlink_rcv_msg+0x3eb/0xb70 /net/core/rtnetlink.c:4285
kobject: 'nullb0' (ffff8880a3dcac60): fill_kobj_path: path = '/devices/virtual/block/nullb0'
 netlink_rcv_skb+0x14f/0x3c0 /net/netlink/af_netlink.c:2432
kobject: 'loop4' (ffff8880a4b1a120): kobject_uevent_env
kobject: 'loop4' (ffff8880a4b1a120): fill_kobj_path: path = '/devices/virtual/block/loop4'
 rtnetlink_rcv+0x1d/0x30 /net/core/rtnetlink.c:4297
 netlink_unicast_kernel /net/netlink/af_netlink.c:1286 [inline]
 netlink_unicast+0x45d/0x780 /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: 0033:0x459819
RSP: 002b:00007f4b146c8c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459819
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4b146c96d4
R13: 00000000004c75d3 R14: 00000000004dcb68 R15: 00000000ffffffff
Code: 48 8d 1c d0 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 11 48 89 fa 48 c1 ea 03 0f b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 16 <44> 88 6b 11 45 31 e4 e8 8a ac b8 fd 44 89 e0 5b 41 5c 41 5d 5d 
RIP: dummy_set_vf_rss_query_en+0x7a/0xb0 /drivers/net/dummy.c:231 RSP: ffff88805f89f2b0
CR2: fffffffbc96800d1
---[ end trace 8b5ece5023d7a091 ]---