kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 7817 Comm: syz-executor7 Not tainted 4.15.0-rc1-next-20171201+ #57
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: 00000000be0a63fd task.stack: 00000000cb805275
RIP: 0010:sidtab_search_core+0x6a/0x320 security/selinux/ss/sidtab.c:88
RSP: 0018:ffff8801c323f9b0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffffffff8220ea3d
RDX: 0000000000000001 RSI: ffffc90003971000 RDI: ffffffff874c8180
RBP: ffff8801c323f9e0 R08: ffffffff86fee850 R09: 0000000000002310
R10: 0000000000000000 R11: ffffffff8748cd60 R12: 0000000000000001
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
FS:  00007f9d92bc7700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020de3e1d CR3: 0000000195478000 CR4: 00000000001426e0
Call Trace:
 sidtab_search+0x1f/0x30 security/selinux/ss/sidtab.c:111
 security_bounded_transition+0xa8/0x4d0 security/selinux/ss/services.c:873
 selinux_setprocattr+0x8d0/0xb50 security/selinux/hooks.c:6043
 security_setprocattr+0x85/0xc0 security/security.c:1264
 proc_pid_attr_write+0x1e6/0x280 fs/proc/base.c:2574
 do_loop_readv_writev fs/read_write.c:676 [inline]
 do_iter_write+0x3d3/0x540 fs/read_write.c:934
 vfs_writev+0x18a/0x340 fs/read_write.c:977
 do_pwritev+0x11b/0x1a0 fs/read_write.c:1066
 SYSC_pwritev fs/read_write.c:1113 [inline]
 SyS_pwritev+0x30/0x40 fs/read_write.c:1108
 entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x4529d9
RSP: 002b:00007f9d92bc6c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000128
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 00000000004529d9
RDX: 0000000000000002 RSI: 000000002000d000 RDI: 0000000000000016
RBP: 0000000000000557 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f50c8
R13: 00000000ffffffff R14: 00007f9d92bc76d4 R15: 0000000000000000
Code: ea 03 41 83 e4 7f 80 3c 02 00 0f 85 7d 02 00 00 4c 8b 33 4d 63 e4 48 b8 00 00 00 00 00 fc ff df 4b 8d 1c e6 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 41 02 00 00 48 8b 1b 48 85 db 0f 84 8b 00 00 
RIP: sidtab_search_core+0x6a/0x320 security/selinux/ss/sidtab.c:88 RSP: ffff8801c323f9b0
---[ end trace 899c18e329b98ce5 ]---
Kernel panic - not syncing: Fatal exception
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..