[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 18.004149] audit: type=1400 audit(1520563542.743:6): 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.17' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.339674] audit: type=1400 audit(1520563549.079:7): avc: denied { map } for pid=4240 comm="syzkaller929289" path="/root/syzkaller929289981" 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 [ 29.663125] kasan: CONFIG_KASAN_INLINE enabled [ 29.667808] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.675173] general protection fault: 0000 [#1] SMP KASAN [ 29.680679] Dumping ftrace buffer: [ 29.684185] (ftrace buffer empty) [ 29.687866] Modules linked in: [ 29.691030] CPU: 1 PID: 4240 Comm: syzkaller929289 Not tainted 4.16.0-rc4+ #346 [ 29.698441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.707771] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 29.712841] RSP: 0018:ffff8801b3a97cc8 EFLAGS: 00010206 [ 29.718171] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fc6f4 [ 29.725408] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 29.732646] RBP: ffff8801b3a97ce0 R08: 0000000000000000 R09: 1ffff10036752f15 [ 29.739883] R10: ffff8801b3a97870 R11: 0000000000000001 R12: ffff8801b0e527d2 [ 29.747125] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801b3a97d58 [ 29.754367] FS: 00000000019a1880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 29.762558] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.768409] CR2: 00007f2a30d93000 CR3: 00000001b217f004 CR4: 00000000001606e0 [ 29.775649] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.782892] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.790132] Call Trace: [ 29.792689] smc_shutdown+0x3ed/0x540 [ 29.796462] SyS_shutdown+0x137/0x290 [ 29.800230] ? SyS_getsockopt+0x340/0x340 [ 29.804356] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 29.809861] ? do_syscall_64+0xb7/0x940 [ 29.813818] ? SyS_getsockopt+0x340/0x340 [ 29.817935] do_syscall_64+0x281/0x940 [ 29.821792] ? __do_page_fault+0xc90/0xc90 [ 29.825993] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.830715] ? syscall_return_slowpath+0x550/0x550 [ 29.835613] ? syscall_return_slowpath+0x2ac/0x550 [ 29.840508] ? prepare_exit_to_usermode+0x350/0x350 [ 29.845492] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 29.850825] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.855638] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 29.860793] RIP: 0033:0x43fcb9 [ 29.863949] RSP: 002b:00007ffca68c58b8 EFLAGS: 00000217 ORIG_RAX: 0000000000000030 [ 29.871623] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcb9 [ 29.878859] RDX: 000000000043fcb9 RSI: 0000000000000000 RDI: 0000000000000003 [ 29.886097] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 29.893336] R10: 00000000004002c8 R11: 0000000000000217 R12: 00000000004015e0 [ 29.900574] R13: 0000000000401670 R14: 0000000000000000 R15: 0000000000000000 [ 29.907818] Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 1c 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 [ 29.927059] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801b3a97cc8 [ 29.933677] ---[ end trace e07c2dacd30e2449 ]--- [ 29.938417] Kernel panic - not syncing: Fatal exception [ 29.944127] Dumping ftrace buffer: [ 29.947639] (ftrace buffer empty) [ 29.951320] Kernel Offset: disabled [ 29.954917] Rebooting in 86400 seconds..