mkiss: ax1: crc mode is auto.
BUG: unable to handle kernel paging request at fffffff7e60c400c
IP: dummy_set_vf_rate+0x99/0x110 drivers/net/dummy.c:206
PGD 766d067 P4D 766d067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 7386 Comm: syz-executor.0 Not tainted 4.14.145 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888081476180 task.stack: ffff88805aab8000
RIP: 0010:dummy_set_vf_rate+0x99/0x110 drivers/net/dummy.c:206
RSP: 0018:ffff88805aabf2a0 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: fffffff7e60c4000 RCX: ffffc90007649000
RDX: 0000000000000000 RSI: ffffffff83a48c5f RDI: fffffff7e60c400c
RBP: ffff88805aabf2c8 R08: 1ffff1100b557e99 R09: ffff88805aabf4c8
R10: ffffed100b557ea5 R11: ffff88805aabf52f R12: ffff888066b8e7c0
R13: 0000000000000099 R14: 000000005a5c4a0e R15: fffffff7e60c4000
FS:  00007fb7dee27700(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffff7e60c400c CR3: 0000000081fdb000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_setvfinfo net/core/rtnetlink.c:1843 [inline]
 do_setlink+0x1755/0x2d50 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: 0033:0x459a09
RSP: 002b:00007fb7dee26c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a09
RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb7dee276d4
R13: 00000000004c7922 R14: 00000000004dd310 R15: 00000000ffffffff
Code: df 49 8d 7f 0c 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 04 84 d2 75 52 48 b8 00 00 00 00 00 fc ff df <66> 45 89 77 0c 49 03 9c 24 c0 0a 00 00 48 8d 7b 0e 48 89 fa 48 
RIP: dummy_set_vf_rate+0x99/0x110 drivers/net/dummy.c:206 RSP: ffff88805aabf2a0
CR2: fffffff7e60c400c
---[ end trace 31117da27ad5b992 ]---