BUG: unable to handle kernel paging request at fffffffc874e4370 IP: dummy_set_vf_spoofchk+0x7a/0xb0 drivers/net/dummy.c:219 PGD 766d067 P4D 766d067 PUD 0 Oops: 0002 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 14716 Comm: syz-executor.3 Not tainted 4.14.146 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888084e68380 task.stack: ffff888052040000 RIP: 0010:dummy_set_vf_spoofchk+0x7a/0xb0 drivers/net/dummy.c:219 RSP: 0018:ffff8880520472b0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: fffffffc874e4360 RCX: ffffc9000924f000 RDX: 0000000000000000 RSI: ffffffff83a49394 RDI: fffffffc874e4370 RBP: ffff8880520472c8 R08: 1ffff1100a408e99 R09: ffff8880520474c8 R10: ffffed100a408ea5 R11: ffff88805204752f R12: ffff8880840fc640 R13: 0000000000000001 R14: ffff888052047610 R15: ffff88809b849a68 FS: 00007f8816c9f700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: fffffffc874e4370 CR3: 0000000081336000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_setvfinfo net/core/rtnetlink.c:1855 [inline] do_setlink+0x1834/0x2d50 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: 0033:0x459a29 RSP: 002b:00007f8816c9ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a29 RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8816c9f6d4 R13: 00000000004c7968 R14: 00000000004dd380 R15: 00000000ffffffff Code: 48 8d 1c d0 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 10 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 10 45 31 e4 e8 fa 4e b8 fd 44 89 e0 5b 41 5c 41 5d 5d RIP: dummy_set_vf_spoofchk+0x7a/0xb0 drivers/net/dummy.c:219 RSP: ffff8880520472b0 CR2: fffffffc874e4370 ---[ end trace d106faa4638ccc00 ]---