[?25l[?1c7[ ok 8[?25h[?0c.
[   12.962269] mcstransd (3055) used greatest stack depth: 14504 bytes left
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
Starting mcstransd: 
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   34.748973] audit: type=1400 audit(1512936069.462:6): avc:  denied  { map } for  pid=3135 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
Warning: Permanently added 'ci-upstream-mmots-kasan-gce-0,10.128.0.36' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
executing program
executing program
executing program
executing program
executing program
[   56.579508] audit: type=1400 audit(1512936091.293:7): avc:  denied  { map } for  pid=3147 comm="syzkaller215046" path="/root/syzkaller215046246" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   56.607134] BUG: unable to handle kernel paging request at fffffbfff1ae85f6
[   56.607151] IP: show_timer+0x1c7/0x2b0
[   56.607154] PGD 21ffd3067 P4D 21ffd3067 PUD 21ffd2067 PMD 0 
[   56.607167] Oops: 0000 [#1] SMP KASAN
[   56.607172] Dumping ftrace buffer:
[   56.607174]    (ftrace buffer empty)
[   56.607176] Modules linked in:
[   56.607181] CPU: 1 PID: 3167 Comm: syzkaller215046 Not tainted 4.15.0-rc2-mm1+ #39
[   56.607184] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   56.607188] RIP: 0010:show_timer+0x1c7/0x2b0
[   56.607191] RSP: 0018:ffff8801c4eaf9e0 EFLAGS: 00010806
[   56.607194] RAX: dffffc0000000000 RBX: ffff8801cd4eaca0 RCX: ffffffff81cd4ece
[   56.607197] RDX: 1ffffffff1ae85f6 RSI: ffffffff8631a6e0 RDI: ffffffff8d742fb0
[   56.607199] RBP: ffff8801c4eafa10 R08: ffffed003890c01d R09: ffffed003890c01d
[   56.607201] R10: ffff8801c4fd8500 R11: ffffed003890c01c R12: 0000000001000002
[   56.607204] R13: ffff8801c4d84900 R14: ffffffff857420a0 R15: 0000000000000c53
[   56.607207] FS:  00007f9555c24700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[   56.607209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.607212] CR2: fffffbfff1ae85f6 CR3: 00000001c63e1000 CR4: 00000000001406e0
[   56.607216] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   56.607218] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   56.607219] Call Trace:
[   56.607224]  ? timers_start+0x14c/0x1c0
[   56.607234]  traverse+0x248/0xa00
[   56.607250]  ? seq_hlist_next+0xc0/0xc0
[   56.607262]  seq_read+0x96a/0x13d0
[   56.607273]  ? seq_lseek+0x3c0/0x3c0
[   56.607279]  ? selinux_file_permission+0x82/0x460
[   56.607286]  ? security_file_permission+0x89/0x1f0
[   56.607292]  ? rw_verify_area+0xe5/0x2b0
[   56.607297]  do_iter_read+0x3db/0x5b0
[   56.607303]  ? dup_iter+0x260/0x260
[   56.607312]  vfs_readv+0x121/0x1c0
[   56.607322]  ? compat_rw_copy_check_uvector+0x2e0/0x2e0
[   56.607334]  ? fget_raw+0x20/0x20
[   56.607342]  ? do_page_fault+0xee/0x720
[   56.607353]  ? lockdep_sys_exit+0x47/0xf0
[   56.607359]  ? syscall_return_slowpath+0x2ad/0x550
[   56.607366]  do_preadv+0x11b/0x1a0
[   56.607369]  ? do_preadv+0x11b/0x1a0
[   56.607375]  SyS_preadv+0x30/0x40
[   56.607383]  entry_SYSCALL_64_fastpath+0x1f/0x96
[   56.607386] RIP: 0033:0x445919
[   56.607388] RSP: 002b:00007f9555c23d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
[   56.607392] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000445919
[   56.607394] RDX: 0000000000000004 RSI: 0000000020f40000 RDI: 0000000000000003
[   56.607396] RBP: 0000000000000000 R08: 00007f9555c24700 R09: 0000000000000000
[   56.607398] R10: 0000000002000004 R11: 0000000000000246 R12: 0000000000000000
[   56.607400] R13: 00007ffc4680db3f R14: 00007f9555c249c0 R15: 0000000000000000
[   56.607412] Code: 89 c7 4c 0f 44 f1 41 83 e4 fb 4d 63 e4 e8 d2 e6 a2 ff 4a 8d 3c e5 a0 2f 74 85 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a2 00 00 00 4a 8b 14 e5 a0 2f 74 85 4c 89 ef 
[   56.607515] RIP: show_timer+0x1c7/0x2b0 RSP: ffff8801c4eaf9e0
[   56.607517] CR2: fffffbfff1ae85f6
[   56.607522] ---[ end trace 3d71b086ea4fd58e ]---
[   56.607525] Kernel panic - not syncing: Fatal exception
[   56.607949] Dumping ftrace buffer:
[   56.607950]    (ftrace buffer empty)
[   56.607952] Kernel Offset: disabled
[   56.918350] Rebooting in 86400 seconds..