[....] Starting enhanced syslogd: rsyslogd[   16.970570] audit: type=1400 audit(1520884919.154:5): avc:  denied  { syslog } for  pid=4096 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: [   22.830402] audit: type=1400 audit(1520884925.014:6): avc:  denied  { map } for  pid=4236 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 '10.128.0.21' (ECDSA) to the list of known hosts.
executing program
[   29.189250] audit: type=1400 audit(1520884931.373:7): avc:  denied  { map } for  pid=4250 comm="syzkaller281801" path="/root/syzkaller281801790" 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
[   34.272140] kasan: CONFIG_KASAN_INLINE enabled
[   34.276863] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   34.284260] general protection fault: 0000 [#1] SMP KASAN
[   34.289777] Dumping ftrace buffer:
[   34.293293]    (ftrace buffer empty)
[   34.296975] Modules linked in:
[   34.300144] CPU: 1 PID: 4250 Comm: syzkaller281801 Not tainted 4.16.0-rc5+ #351
[   34.307558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.316892] RIP: 0010:kernel_sock_shutdown+0x29/0x70
[   34.321975] RSP: 0018:ffff8801b372fcc8 EFLAGS: 00010206
[   34.327320] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fe6f4
[   34.334561] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028
[   34.341800] RBP: ffff8801b372fce0 R08: 0000000000000000 R09: 1ffff100366e5f15
[   34.349050] R10: ffff8801b372f870 R11: 0000000000000001 R12: ffff8801b06267d2
[   34.356291] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801b372fd58
[   34.363531] FS:  0000000000d8a880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[   34.371728] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.377585] CR2: 00000000025d15a0 CR3: 00000001b353e001 CR4: 00000000001606e0
[   34.384827] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   34.392068] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   34.399318] Call Trace:
[   34.401885]  smc_shutdown+0x3ed/0x540
[   34.405659]  SyS_shutdown+0x137/0x290
[   34.409438]  ? SyS_getsockopt+0x340/0x340
[   34.413558]  ? trace_event_raw_event_sys_exit+0x260/0x260
[   34.419065]  ? do_syscall_64+0xb7/0x940
[   34.423019]  ? SyS_getsockopt+0x340/0x340
[   34.427143]  do_syscall_64+0x281/0x940
[   34.431009]  ? __do_page_fault+0xc90/0xc90
[   34.435219]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   34.439948]  ? syscall_return_slowpath+0x550/0x550
[   34.444848]  ? syscall_return_slowpath+0x2ac/0x550
[   34.449749]  ? prepare_exit_to_usermode+0x350/0x350
[   34.454738]  ? entry_SYSCALL_64_after_hwframe+0x52/0xb7
[   34.460084]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   34.464906]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   34.470067] RIP: 0033:0x43fcb9
[   34.473230] RSP: 002b:00007ffdb30155e8 EFLAGS: 00000217 ORIG_RAX: 0000000000000030
[   34.480908] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcb9
[   34.488150] RDX: 000000000043fcb9 RSI: 0000000000000000 RDI: 0000000000000003
[   34.495390] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[   34.502631] R10: 00000000004002c8 R11: 0000000000000217 R12: 00000000004015e0
[   34.509871] R13: 0000000000401670 R14: 0000000000000000 R15: 0000000000000000
[   34.517122] Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 ac 30 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 
[   34.536837] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801b372fcc8
[   34.543456] ---[ end trace b11d9fd442130433 ]---
[   34.548218] Kernel panic - not syncing: Fatal exception
[   34.554133] Dumping ftrace buffer:
[   34.557651]    (ftrace buffer empty)
[   34.561330] Kernel Offset: disabled
[   34.564928] Rebooting in 86400 seconds..