binder: undelivered TRANSACTION_ERROR: 29189
binder: BINDER_SET_CONTEXT_MGR already set
binder: 4511:4528 ioctl 40046207 0 returned -16
BUG: unable to handle kernel paging request at fffffffffffffff8
IP: __get_user_4+0x1e/0x30 arch/x86/lib/getuser.S:72
PGD 5e28067 P4D 5e28067 PUD 5e2a067 PMD 0 
Oops: 0002 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 4529 Comm: syz-executor0 Not tainted 4.15.0-rc1-next-20171129+ #55
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801cf10e440 task.stack: ffff8801cf110000
RIP: 0010:__get_user_4+0x1e/0x30 arch/x86/lib/getuser.S:72
RSP: 0018:ffff8801cf1171e8 EFLAGS: 00010287
RAX: 0000000020001003 RBX: dffffc0000000000 RCX: ffffffff8199ead8
RDX: 0000000000000010 RSI: ffffc900017b6000 RDI: 0000000000000282
RBP: ffff8801cf117e00 R08: ffff8801d1772dd8 R09: 1ffff10039e22e12
R10: ffff8801cf10e440 R11: 0000000000000000 R12: ffff8801d421f080
R13: 1ffff10039e22e4e R14: 0000000000000084 R15: 0000000000000022
FS:  00007fefb36ee700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff8 CR3: 00000001d3ba4000 CR4: 00000000001426e0
DR0: 0000000020000000 DR1: 0000000020001008 DR2: 0000000020001000
DR3: 0000000000000000 DR6: 00000000ffff0ff4 DR7: 000000000bbb062a
Call Trace:
 sock_common_getsockopt+0x95/0xd0 net/core/sock.c:2927
 SYSC_getsockopt net/socket.c:1882 [inline]
 SyS_getsockopt+0x178/0x340 net/socket.c:1864
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x4529d9
RSP: 002b:00007fefb36edc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 00000000004529d9
RDX: 0000000000000022 RSI: 0000000000000084 RDI: 0000000000000022
RBP: 000000000000015d R08: 0000000020001000 R09: 0000000000000000
R10: 0000000020001ff0 R11: 0000000000000212 R12: 00000000006ef158
R13: 00000000ffffffff R14: 00007fefb36ee6d4 R15: 0000000000000000
Code: 00 c3 90 66 2e 0f 1f 84 00 00 00 00 00 48 83 c0 03 72 4f 65 48 8b 14 25 40 65 01 00 48 3b 82 a0 15 00 00 73 3d 0f 1f 00 8b 50 fd <31> c0 0f 1f 00 c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 83 c0 
RIP: __get_user_4+0x1e/0x30 arch/x86/lib/getuser.S:72 RSP: ffff8801cf1171e8
CR2: fffffffffffffff8
---[ end trace 498b2e654bc4f356 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..