[....] Starting enhanced syslogd: rsyslogd[   17.359646] audit: type=1400 audit(1520684658.001:5): avc:  denied  { syslog } for  pid=4084 comm="rsyslogd" capability=34  scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1
[?25l[?1c7[ ok 8[?25h[?0c.
[....] 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: [   22.294619] audit: type=1400 audit(1520684662.936:6): avc:  denied  { map } for  pid=4224 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 '10.128.0.25' (ECDSA) to the list of known hosts.
executing program
[   28.672827] audit: type=1400 audit(1520684669.314:7): avc:  denied  { map } for  pid=4238 comm="syzkaller504539" path="/root/syzkaller504539967" 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
[   33.760237] kasan: CONFIG_KASAN_INLINE enabled
[   33.765231] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   33.772950] general protection fault: 0000 [#1] SMP KASAN
[   33.778477] Dumping ftrace buffer:
[   33.781990]    (ftrace buffer empty)
[   33.785674] Modules linked in:
[   33.788842] CPU: 0 PID: 4238 Comm: syzkaller504539 Not tainted 4.16.0-rc4+ #348
[   33.796254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.805585] RIP: 0010:kernel_sock_shutdown+0x29/0x70
[   33.810663] RSP: 0018:ffff8801b082fcc8 EFLAGS: 00010206
[   33.815997] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fd6f4
[   33.823241] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028
[   33.830480] RBP: ffff8801b082fce0 R08: 0000000000000000 R09: 1ffff10036105f15
[   33.837721] R10: ffff8801b082f870 R11: 0000000000000001 R12: ffff8801aeae87d2
[   33.844961] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801b082fd58
[   33.852203] FS:  0000000001b28880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[   33.860408] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.866261] CR2: 0000000001861c70 CR3: 00000001b0e58003 CR4: 00000000001606f0
[   33.874122] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   33.881367] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   33.888613] Call Trace:
[   33.891181]  smc_shutdown+0x3ed/0x540
[   33.894957]  SyS_shutdown+0x137/0x290
[   33.898734]  ? SyS_getsockopt+0x340/0x340
[   33.902859]  ? trace_event_raw_event_sys_exit+0x260/0x260
[   33.908367]  ? do_syscall_64+0xb7/0x940
[   33.912314]  ? SyS_getsockopt+0x340/0x340
[   33.916433]  do_syscall_64+0x281/0x940
[   33.920294]  ? __do_page_fault+0xc90/0xc90
[   33.924499]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   33.929224]  ? syscall_return_slowpath+0x550/0x550
[   33.934123]  ? syscall_return_slowpath+0x2ac/0x550
[   33.939029]  ? prepare_exit_to_usermode+0x350/0x350
[   33.944021]  ? entry_SYSCALL_64_after_hwframe+0x52/0xb7
[   33.949360]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   33.954176]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   33.959338] RIP: 0033:0x43fcb9
[   33.962498] RSP: 002b:00007ffe0576e6c8 EFLAGS: 00000217 ORIG_RAX: 0000000000000030
[   33.970175] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcb9
[   33.977416] RDX: 000000000043fcb9 RSI: 0000000000000000 RDI: 0000000000000003
[   33.984658] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[   33.991902] R10: 00000000004002c8 R11: 0000000000000217 R12: 00000000004015e0
[   33.999141] R13: 0000000000401670 R14: 0000000000000000 R15: 0000000000000000
[   34.006390] Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 5c 2f 11 fd 48 8d 7b 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 32 4c 8b 63 28 48 b8 00 00 00 00 00 fc ff df 49 
[   34.025509] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801b082fcc8
[   34.032123] ---[ end trace dc4b24112c7c1807 ]---
[   34.036888] Kernel panic - not syncing: Fatal exception
[   34.042647] Dumping ftrace buffer:
[   34.046165]    (ftrace buffer empty)
[   34.049846] Kernel Offset: disabled
[   34.053452] Rebooting in 86400 seconds..