[?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. [ 17.574616] audit: type=1400 audit(1521392640.876:6): avc: denied { map } for pid=4217 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 '10.128.0.9' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 23.886711] audit: type=1400 audit(1521392647.188:7): avc: denied { map } for pid=4231 comm="syzkaller835066" path="/root/syzkaller835066257" 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 [ 29.151129] kasan: CONFIG_KASAN_INLINE enabled [ 29.155817] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.163195] general protection fault: 0000 [#1] SMP KASAN [ 29.168722] Dumping ftrace buffer: [ 29.172233] (ftrace buffer empty) [ 29.175910] Modules linked in: [ 29.179074] CPU: 0 PID: 4231 Comm: syzkaller835066 Not tainted 4.16.0-rc5+ #357 [ 29.186493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.195822] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 29.200892] RSP: 0018:ffff8801b1157cc8 EFLAGS: 00010206 [ 29.206225] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845ff6f4 [ 29.213466] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 29.220709] RBP: ffff8801b1157ce0 R08: 0000000000000000 R09: 1ffff1003622af15 [ 29.227958] R10: ffff8801b1157870 R11: 0000000000000001 R12: ffff8801b31f87d2 [ 29.235199] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801b1157d58 [ 29.242439] FS: 0000000001ed9880(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 29.250631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.256479] CR2: 0000000001ae86f8 CR3: 00000001cbf0f004 CR4: 00000000001606f0 [ 29.263717] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.270961] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.278199] Call Trace: [ 29.280761] smc_shutdown+0x3ed/0x540 [ 29.284532] SyS_shutdown+0x137/0x290 [ 29.288302] ? SyS_getsockopt+0x340/0x340 [ 29.292424] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 29.297930] ? do_syscall_64+0xb7/0x940 [ 29.301872] ? SyS_getsockopt+0x340/0x340 [ 29.305987] do_syscall_64+0x281/0x940 [ 29.309845] ? __do_page_fault+0xc90/0xc90 [ 29.314057] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 29.319566] ? syscall_return_slowpath+0x550/0x550 [ 29.324465] ? syscall_return_slowpath+0x2ac/0x550 [ 29.329366] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 29.334706] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.339522] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 29.344688] RIP: 0033:0x43fcb9 [ 29.347846] RSP: 002b:00007fffb32046e8 EFLAGS: 00000217 ORIG_RAX: 0000000000000030 [ 29.355521] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcb9 [ 29.362760] RDX: 000000000043fcb9 RSI: 0000000000000000 RDI: 0000000000000003 [ 29.369998] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 29.377540] R10: 00000000004002c8 R11: 0000000000000217 R12: 00000000004015e0 [ 29.384778] R13: 0000000000401670 R14: 0000000000000000 R15: 0000000000000000 [ 29.392030] 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 [ 29.411114] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801b1157cc8 [ 29.417852] ---[ end trace 08a8d2f158793606 ]--- [ 29.422623] Kernel panic - not syncing: Fatal exception [ 29.428507] Dumping ftrace buffer: [ 29.432022] (ftrace buffer empty) [ 29.435701] Kernel Offset: disabled [ 29.439297] Rebooting in 86400 seconds..