INIT: Entering runlevel: 2

[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

Warning: Permanently added 'ci-upstream-mmots-kasan-gce-9,10.128.0.37' (ECDSA) to the list of known hosts.
2017/12/02 11:52:30 parsed 1 programs
2017/12/02 11:52:30 executed programs: 0
syzkaller login: [   31.055333] kasan: CONFIG_KASAN_INLINE enabled
[   31.056098] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   31.057294] general protection fault: 0000 [#1] SMP KASAN
[   31.058036] Dumping ftrace buffer:
[   31.058512]    (ftrace buffer empty)
[   31.059022] Modules linked in:
[   31.059458] CPU: 0 PID: 3097 Comm: syz-executor0 Not tainted 4.15.0-rc1-mm1+ #29
[   31.060440] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   31.061661] task: 0000000038b33d30 task.stack: 00000000670971ec
[   31.062460] RIP: 0010:sidtab_search_core+0x6a/0x320
[   31.063121] RSP: 0018:ffff8801cbbafa10 EFLAGS: 00010202
[   31.063827] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffffffff8220ee2d
[   31.064777] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffffffff874c81c0
[   31.065738] RBP: ffff8801cbbafa40 R08: 0000000000000003 R09: 1ffffffff0d6b13b
[   31.066687] R10: 0000000000000000 R11: ffffffff8748cda0 R12: 0000000000000001
[   31.067640] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   31.068592] FS:  00007fb2dc8d6700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
[   31.069667] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.070440] CR2: 00000000004d5638 CR3: 00000001cbe52000 CR4: 00000000001406f0
[   31.071394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   31.072369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   31.073340] Call Trace:
[   31.073698]  sidtab_search+0x1f/0x30
[   31.074230]  security_bounded_transition+0xa8/0x4d0
[   31.074895]  ? security_validate_transition+0x60/0x60
[   31.075595]  ? security_prepare_creds+0x89/0xb0
[   31.080231]  ? prepare_creds+0x2ba/0x360
[   31.084261]  ? abort_creds+0x130/0x130
[   31.088126]  selinux_setprocattr+0x8d0/0xb50
[   31.092503]  ? ptrace_parent_sid+0x540/0x540
[   31.096883]  security_setprocattr+0x85/0xc0
[   31.101173]  proc_pid_attr_write+0x1e6/0x280
[   31.105549]  ? proc_task_getattr+0x180/0x180
[   31.109923]  __vfs_write+0xef/0x970
[   31.113515]  ? lock_acquire+0x1d5/0x580
[   31.117451]  ? vfs_write+0x410/0x510
[   31.121127]  ? kernel_read+0x120/0x120
[   31.124981]  ? __lock_is_held+0xbc/0x140
[   31.129010]  ? rcu_read_lock_sched_held+0x108/0x120
[   31.133989]  ? rcu_sync_lockdep_assert+0x6d/0xb0
[   31.138708]  ? __sb_start_write+0x203/0x290
[   31.142996]  vfs_write+0x18f/0x510
[   31.146502]  SyS_write+0xef/0x220
[   31.149921]  ? SyS_read+0x220/0x220
[   31.153517]  ? trace_hardirqs_on_caller+0x421/0x5c0
[   31.158502]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   31.163228]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   31.167949] RIP: 0033:0x4529d9
[   31.171110] RSP: 002b:00007fb2dc8d5c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001
[   31.178779] RAX: ffffffffffffffda RBX: 00007fb2dc8d5950 RCX: 00000000004529d9
[   31.186021] RDX: 0000000000000008 RSI: 000000002066bff8 RDI: 0000000000000000
[   31.194826] RBP: 00007fb2dc8d5940 R08: 0000000000000000 R09: 0000000000000000
[   31.202062] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000004b7354
[   31.209295] R13: 00007fb2dc8d5ac8 R14: 00000000004b7366 R15: 0000000000000000
[   31.216540] 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 
[   31.235601] RIP: sidtab_search_core+0x6a/0x320 RSP: ffff8801cbbafa10
[   31.242120] ---[ end trace fd098fac76aa0331 ]---
[   31.246858] Kernel panic - not syncing: Fatal exception
[   31.252548] Dumping ftrace buffer:
[   31.256060]    (ftrace buffer empty)
[   31.259737] Kernel Offset: disabled
[   31.263333] Rebooting in 86400 seconds..