[....] Starting enhanced syslogd: rsyslogd[   17.009390] audit: type=1400 audit(1521168400.952:5): 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: [   25.289082] audit: type=1400 audit(1521168409.231:6): avc:  denied  { map } for  pid=4226 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 '10.128.0.54' (ECDSA) to the list of known hosts.
executing program
[   52.606320] audit: type=1400 audit(1521168436.549:7): avc:  denied  { map } for  pid=4241 comm="syzkaller866675" path="/root/syzkaller866675017" 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
[   57.823685] kasan: CONFIG_KASAN_INLINE enabled
[   57.828603] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   57.835997] general protection fault: 0000 [#1] SMP KASAN
[   57.841507] Dumping ftrace buffer:
[   57.845016]    (ftrace buffer empty)
[   57.848695] Modules linked in:
[   57.851858] CPU: 0 PID: 4241 Comm: syzkaller866675 Not tainted 4.16.0-rc5+ #265
[   57.859279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.868612] RIP: 0010:kernel_sock_shutdown+0x29/0x70
[   57.873682] RSP: 0018:ffff8801a86a7c78 EFLAGS: 00010206
[   57.879015] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845ff6f4
[   57.886254] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028
[   57.893496] RBP: ffff8801a86a7c90 R08: 0000000000000000 R09: 1ffff100350d4f0b
[   57.900734] R10: ffff8801a86a7820 R11: 0000000000000001 R12: ffff8801b0c907d2
[   57.907975] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801a86a7d08
[   57.915215] FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000088e0840
[   57.923406] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   57.929258] CR2: 000055a248c9d110 CR3: 00000001b0b1b006 CR4: 00000000001606f0
[   57.936496] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   57.943736] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   57.950976] Call Trace:
[   57.953534]  smc_shutdown+0x3ed/0x540
[   57.957306]  SyS_shutdown+0x137/0x290
[   57.961076]  ? SyS_getsockopt+0x340/0x340
[   57.965199]  ? trace_event_raw_event_sys_exit+0x260/0x260
[   57.970703]  ? do_fast_syscall_32+0x156/0xf9f
[   57.975169]  ? SyS_getsockopt+0x340/0x340
[   57.979284]  do_fast_syscall_32+0x3ec/0xf9f
[   57.983575]  ? do_int80_syscall_32+0x9c0/0x9c0
[   57.988130]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   57.992854]  ? syscall_return_slowpath+0x550/0x550
[   57.997752]  ? syscall_return_slowpath+0x2ac/0x550
[   58.002659]  ? prepare_exit_to_usermode+0x350/0x350
[   58.007648]  ? sysret32_from_system_call+0x5/0x3c
[   58.012461]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   58.017275]  entry_SYSENTER_compat+0x70/0x7f
[   58.021650] RIP: 0023:0xf7f1ec99
[   58.024984] RSP: 002b:00000000ffddd78c EFLAGS: 00000217 ORIG_RAX: 0000000000000175
[   58.032660] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000
[   58.039897] RDX: 0000000000000000 RSI: 000000000000016b RDI: 0000000000000003
[   58.047139] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   58.054377] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   58.061618] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   58.068866] Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 ac 20 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 
[   58.087935] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801a86a7c78
[   58.094536] ---[ end trace 17e45c7e61f1d830 ]---
[   58.099295] Kernel panic - not syncing: Fatal exception
[   58.105052] Dumping ftrace buffer:
[   58.108566]    (ftrace buffer empty)
[   58.112245] Kernel Offset: disabled
[   58.115843] Rebooting in 86400 seconds..