[....] Starting enhanced syslogd: rsyslogd[   16.616913] audit: type=1400 audit(1520374725.400:5): avc:  denied  { syslog } for  pid=4082 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: [   22.768733] audit: type=1400 audit(1520374731.552:6): avc:  denied  { map } for  pid=4222 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 '10.128.0.12' (ECDSA) to the list of known hosts.
executing program
[   35.895826] audit: type=1400 audit(1520374744.679:7): avc:  denied  { map } for  pid=4238 comm="syzkaller540120" path="/root/syzkaller540120462" 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
[   40.927564] kasan: CONFIG_KASAN_INLINE enabled
[   40.932270] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   40.939661] general protection fault: 0000 [#1] SMP KASAN
[   40.945174] Dumping ftrace buffer:
[   40.948682]    (ftrace buffer empty)
[   40.952361] Modules linked in:
[   40.955528] CPU: 0 PID: 4238 Comm: syzkaller540120 Not tainted 4.16.0-rc4+ #343
[   40.962943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   40.972360] RIP: 0010:kernel_sock_shutdown+0x29/0x70
[   40.977436] RSP: 0018:ffff8801b7f77cc8 EFLAGS: 00010206
[   40.982766] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fd6f4
[   40.990006] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028
[   40.997247] RBP: ffff8801b7f77ce0 R08: 0000000000000000 R09: 1ffff10036feef15
[   41.004486] R10: ffff8801b7f77870 R11: 0000000000000001 R12: ffff8801babef7d2
[   41.011726] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801b7f77d58
[   41.018967] FS:  0000000000b30880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
[   41.027160] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.033013] CR2: 00005598d76d2120 CR3: 00000001b8326006 CR4: 00000000001606f0
[   41.041563] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   41.048803] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   41.056041] Call Trace:
[   41.058613]  smc_shutdown+0x3ed/0x540
[   41.062387]  SyS_shutdown+0x137/0x290
[   41.066156]  ? SyS_getsockopt+0x340/0x340
[   41.070277]  ? trace_event_raw_event_sys_exit+0x260/0x260
[   41.075783]  ? do_syscall_64+0xb7/0x940
[   41.079727]  ? SyS_getsockopt+0x340/0x340
[   41.083847]  do_syscall_64+0x281/0x940
[   41.087711]  ? __do_page_fault+0xc90/0xc90
[   41.091912]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   41.096648]  ? syscall_return_slowpath+0x550/0x550
[   41.101566]  ? syscall_return_slowpath+0x2ac/0x550
[   41.106473]  ? prepare_exit_to_usermode+0x350/0x350
[   41.111463]  ? entry_SYSCALL_64_after_hwframe+0x52/0xb7
[   41.116802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   41.121619]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   41.126778] RIP: 0033:0x43fcb9
[   41.129941] RSP: 002b:00007ffda934a998 EFLAGS: 00000217 ORIG_RAX: 0000000000000030
[   41.137619] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcb9
[   41.144865] RDX: 000000000043fcb9 RSI: 0000000000000000 RDI: 0000000000000003
[   41.152108] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[   41.159347] R10: 00000000004002c8 R11: 0000000000000217 R12: 00000000004015e0
[   41.166594] R13: 0000000000401670 R14: 0000000000000000 R15: 0000000000000000
[   41.173841] 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 
[   41.192914] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801b7f77cc8
[   41.199546] ---[ end trace c714111bd5f801a3 ]---
[   41.204287] Kernel panic - not syncing: Fatal exception
[   41.209946] Dumping ftrace buffer:
[   41.213457]    (ftrace buffer empty)
[   41.217137] Kernel Offset: disabled
[   41.220737] Rebooting in 86400 seconds..