[....] Starting enhanced syslogd: rsyslogd[   16.893187] audit: type=1400 audit(1520259643.070:5): avc:  denied  { syslog } for  pid=4092 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: [   22.866758] audit: type=1400 audit(1520259649.043:6): avc:  denied  { map } for  pid=4233 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 '10.128.0.40' (ECDSA) to the list of known hosts.
executing program
[   29.188177] audit: type=1400 audit(1520259655.364:7): avc:  denied  { map } for  pid=4247 comm="syzkaller582428" path="/root/syzkaller582428402" 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
[   34.271154] kasan: CONFIG_KASAN_INLINE enabled
[   34.275880] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   34.283264] general protection fault: 0000 [#1] SMP KASAN
[   34.288776] Dumping ftrace buffer:
[   34.292290]    (ftrace buffer empty)
[   34.295972] Modules linked in:
[   34.299140] CPU: 0 PID: 4247 Comm: syzkaller582428 Not tainted 4.16.0-rc4+ #251
[   34.306555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   34.315976] RIP: 0010:kernel_sock_shutdown+0x29/0x70
[   34.321053] RSP: 0018:ffff8801b16b7c78 EFLAGS: 00010206
[   34.326386] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fc6f4
[   34.333625] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028
[   34.340867] RBP: ffff8801b16b7c90 R08: 0000000000000000 R09: 1ffff100362d6f0b
[   34.348107] R10: ffff8801b16b7820 R11: 0000000000000001 R12: ffff8801b1b917d2
[   34.355349] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801b16b7d08
[   34.362591] FS:  0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:00000000087a8840
[   34.370786] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
[   34.376636] CR2: 0000000001c246f8 CR3: 00000001b1834002 CR4: 00000000001606f0
[   34.383880] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   34.391121] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   34.398361] Call Trace:
[   34.400927]  smc_shutdown+0x3ed/0x540
[   34.404703]  SyS_shutdown+0x137/0x290
[   34.408478]  ? SyS_getsockopt+0x340/0x340
[   34.412603]  ? trace_event_raw_event_sys_exit+0x260/0x260
[   34.418113]  ? do_fast_syscall_32+0x156/0xf9f
[   34.422600]  ? SyS_getsockopt+0x340/0x340
[   34.426717]  do_fast_syscall_32+0x3ec/0xf9f
[   34.431011]  ? do_int80_syscall_32+0x9c0/0x9c0
[   34.435566]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[   34.440302]  ? syscall_return_slowpath+0x550/0x550
[   34.445201]  ? syscall_return_slowpath+0x2ac/0x550
[   34.450103]  ? prepare_exit_to_usermode+0x350/0x350
[   34.455094]  ? sysret32_from_system_call+0x5/0x3c
[   34.459907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   34.464724]  entry_SYSENTER_compat+0x70/0x7f
[   34.469102] RIP: 0023:0xf7f29c99
[   34.472437] RSP: 002b:00000000ff9dd8bc EFLAGS: 00000217 ORIG_RAX: 0000000000000175
[   34.480115] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000
[   34.487364] RDX: 0000000000000000 RSI: 000000000000016b RDI: 0000000000000003
[   34.494604] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   34.501844] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   34.509086] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   34.516331] 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 
[   34.535400] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801b16b7c78
[   34.542064] ---[ end trace b174cd23a173c48f ]---
[   34.546814] Kernel panic - not syncing: Fatal exception
[   34.552542] Dumping ftrace buffer:
[   34.556056]    (ftrace buffer empty)
[   34.559739] Kernel Offset: disabled
[   34.563338] Rebooting in 86400 seconds..