[....] Starting enhanced syslogd: rsyslogd[   16.613850] audit: type=1400 audit(1520265504.386:5): 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: [   22.648581] audit: type=1400 audit(1520265510.421:6): avc:  denied  { map } for  pid=4223 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 '10.128.0.46' (ECDSA) to the list of known hosts.
executing program
[   28.976680] audit: type=1400 audit(1520265516.749:7): avc:  denied  { map } for  pid=4237 comm="syzkaller253419" path="/root/syzkaller253419895" 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
[   34.272111] kasan: CONFIG_KASAN_INLINE enabled
[   34.276806] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   34.284337] general protection fault: 0000 [#1] SMP KASAN
[   34.289850] Dumping ftrace buffer:
[   34.293369]    (ftrace buffer empty)
[   34.297051] Modules linked in:
[   34.300223] CPU: 1 PID: 4237 Comm: syzkaller253419 Not tainted 4.16.0-rc4+ #341
[   34.307639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.316970] RIP: 0010:kernel_sock_shutdown+0x29/0x70
[   34.322039] RSP: 0018:ffff8801d3037cc8 EFLAGS: 00010206
[   34.327368] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fc6f4
[   34.334607] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028
[   34.341844] RBP: ffff8801d3037ce0 R08: 0000000000000000 R09: 1ffff1003a606f15
[   34.349083] R10: ffff8801d3037870 R11: 0000000000000001 R12: ffff8801b1e677d2
[   34.356326] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801d3037d58
[   34.363568] FS:  00000000016ae880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[   34.371763] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.377615] CR2: 00007f27fc635000 CR3: 00000001dad6a003 CR4: 00000000001606e0
[   34.384868] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   34.392106] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   34.399346] Call Trace:
[   34.401908]  smc_shutdown+0x3ed/0x540
[   34.405680]  SyS_shutdown+0x137/0x290
[   34.409450]  ? SyS_getsockopt+0x340/0x340
[   34.413573]  ? trace_event_raw_event_sys_exit+0x260/0x260
[   34.419080]  ? do_syscall_64+0xb7/0x940
[   34.423031]  ? SyS_getsockopt+0x340/0x340
[   34.427165]  do_syscall_64+0x281/0x940
[   34.431027]  ? __do_page_fault+0xc90/0xc90
[   34.435234]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   34.439960]  ? syscall_return_slowpath+0x550/0x550
[   34.444896]  ? syscall_return_slowpath+0x2ac/0x550
[   34.449799]  ? prepare_exit_to_usermode+0x350/0x350
[   34.454804]  ? entry_SYSCALL_64_after_hwframe+0x52/0xb7
[   34.460140]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   34.464956]  entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   34.470113] RIP: 0033:0x43fcb9
[   34.473275] RSP: 002b:00007fff60f23818 EFLAGS: 00000217 ORIG_RAX: 0000000000000030
[   34.480953] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcb9
[   34.488194] RDX: 000000000043fcb9 RSI: 0000000000000000 RDI: 0000000000000003
[   34.495432] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
[   34.502674] R10: 00000000004002c8 R11: 0000000000000217 R12: 00000000004015e0
[   34.509917] R13: 0000000000401670 R14: 0000000000000000 R15: 0000000000000000
[   34.517166] Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 3c 3f 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 
[   34.536243] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801d3037cc8
[   34.542851] ---[ end trace 519d87904d127049 ]---
[   34.547593] Kernel panic - not syncing: Fatal exception
[   34.553287] Dumping ftrace buffer:
[   34.556798]    (ftrace buffer empty)
[   34.560493] Kernel Offset: disabled
[   34.564100] Rebooting in 86400 seconds..