[....] Starting enhanced syslogd: rsyslogd[   17.040931] audit: type=1400 audit(1520318111.918:5): avc:  denied  { syslog } for  pid=4083 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: [   22.150247] audit: type=1400 audit(1520318117.028:6): 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 '10.128.0.24' (ECDSA) to the list of known hosts.
executing program
[   28.425406] audit: type=1400 audit(1520318123.303:7): avc:  denied  { map } for  pid=4238 comm="syzkaller779149" path="/root/syzkaller779149178" 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
[   33.760730] kasan: CONFIG_KASAN_INLINE enabled
[   33.765527] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   33.772940] general protection fault: 0000 [#1] SMP KASAN
[   33.778466] Dumping ftrace buffer:
[   33.781998]    (ftrace buffer empty)
[   33.785697] Modules linked in:
[   33.788891] CPU: 1 PID: 4238 Comm: syzkaller779149 Not tainted 4.16.0-rc4+ #342
[   33.796417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   33.805756] RIP: 0010:kernel_sock_shutdown+0x29/0x70
[   33.810832] RSP: 0018:ffff8801b0947cc8 EFLAGS: 00010206
[   33.816171] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fd6f4
[   33.823415] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028
[   33.830657] RBP: ffff8801b0947ce0 R08: 0000000000000000 R09: 1ffff10036128f15
[   33.837901] R10: ffff8801b0947870 R11: 0000000000000001 R12: ffff8801b0d657d2
[   33.845142] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801b0947d58
[   33.852383] FS:  0000000001f4c880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[   33.860579] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.866431] CR2: 00000000007c3188 CR3: 00000001b077e002 CR4: 00000000001606e0
[   33.873676] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   33.880918] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   33.888159] Call Trace:
[   33.890723]  smc_shutdown+0x3ed/0x540
[   33.894499]  SyS_shutdown+0x137/0x290
[   33.898271]  ? SyS_getsockopt+0x340/0x340
[   33.902394]  ? trace_event_raw_event_sys_exit+0x260/0x260
[   33.907903]  ? do_syscall_64+0xb7/0x940
[   33.911851]  ? SyS_getsockopt+0x340/0x340
[   33.915970]  do_syscall_64+0x281/0x940
[   33.919829]  ? __do_page_fault+0xc90/0xc90
[   33.924036]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   33.928779]  ? syscall_return_slowpath+0x550/0x550
[   33.933678]  ? syscall_return_slowpath+0x2ac/0x550
[   33.938663]  ? prepare_exit_to_usermode+0x350/0x350
[   33.943649]  ? entry_SYSCALL_64_after_hwframe+0x52/0xb7
[   33.948985]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   33.953812]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   33.958969] RIP: 0033:0x43fcf9
[   33.962128] RSP: 002b:00007ffc51b359e8 EFLAGS: 00000217 ORIG_RAX: 0000000000000030
[   33.969807] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcf9
[   33.977055] RDX: 000000000043fcf9 RSI: 0000000000000000 RDI: 0000000000000003
[   33.984294] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[   33.991533] R10: 00000000004002c8 R11: 0000000000000217 R12: 0000000000401620
[   33.998775] R13: 00000000004016b0 R14: 0000000000000000 R15: 0000000000000000
[   34.006022] Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 3c 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 
[   34.025190] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801b0947cc8
[   34.031797] ---[ end trace eec67367258cb326 ]---
[   34.036538] Kernel panic - not syncing: Fatal exception
[   34.042256] Dumping ftrace buffer:
[   34.045771]    (ftrace buffer empty)
[   34.049455] Kernel Offset: disabled
[   34.053055] Rebooting in 86400 seconds..