[?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. [ 17.465327] audit: type=1400 audit(1519822552.522:6): avc: denied { map } for pid=4210 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 '10.128.0.50' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 30.528783] audit: type=1400 audit(1519822565.585:7): avc: denied { map } for pid=4226 comm="syzkaller547394" path="/root/syzkaller547394621" 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 [ 35.807129] kasan: CONFIG_KASAN_INLINE enabled [ 35.811820] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 35.819361] general protection fault: 0000 [#1] SMP KASAN [ 35.824877] Dumping ftrace buffer: [ 35.828388] (ftrace buffer empty) [ 35.832067] Modules linked in: [ 35.835232] CPU: 1 PID: 4226 Comm: syzkaller547394 Not tainted 4.16.0-rc3+ #332 [ 35.842646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.851978] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 35.857048] RSP: 0018:ffff8801b3ef7cc8 EFLAGS: 00010206 [ 35.862380] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fb6f4 [ 35.869619] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 35.876857] RBP: ffff8801b3ef7ce0 R08: 0000000000000000 R09: 1ffff100367def15 [ 35.884098] R10: ffff8801b3ef7870 R11: 0000000000000001 R12: ffff8801b8adf7d2 [ 35.891336] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801b3ef7d58 [ 35.898583] FS: 00000000022e2880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 35.906777] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.912626] CR2: 00007f74cdabc000 CR3: 00000001b0539004 CR4: 00000000001606e0 [ 35.919870] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.927111] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.934348] Call Trace: [ 35.936912] smc_shutdown+0x3ed/0x540 [ 35.940683] SyS_shutdown+0x137/0x290 [ 35.944453] ? SyS_getsockopt+0x340/0x340 [ 35.948572] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 35.954079] ? do_syscall_64+0xb7/0x940 [ 35.958024] ? SyS_getsockopt+0x340/0x340 [ 35.962142] do_syscall_64+0x281/0x940 [ 35.965998] ? __do_page_fault+0xc90/0xc90 [ 35.970203] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 35.974930] ? syscall_return_slowpath+0x550/0x550 [ 35.979831] ? syscall_return_slowpath+0x2ac/0x550 [ 35.984729] ? prepare_exit_to_usermode+0x350/0x350 [ 35.989722] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 35.995057] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.999870] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 36.005026] RIP: 0033:0x43fcb9 [ 36.008188] RSP: 002b:00007ffd3dedbc38 EFLAGS: 00000217 ORIG_RAX: 0000000000000030 [ 36.016304] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fcb9 [ 36.023545] RDX: 000000000043fcb9 RSI: 0000000000000000 RDI: 0000000000000003 [ 36.030783] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 36.038022] R10: 00000000004002c8 R11: 0000000000000217 R12: 00000000004015e0 [ 36.045259] R13: 0000000000401670 R14: 0000000000000000 R15: 0000000000000000 [ 36.052509] Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 4c 3d 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 [ 36.071578] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801b3ef7cc8 [ 36.078192] ---[ end trace 82d0aab1f8342d00 ]--- [ 36.082941] Kernel panic - not syncing: Fatal exception [ 36.088689] Dumping ftrace buffer: [ 36.092199] (ftrace buffer empty) [ 36.095881] Kernel Offset: disabled [ 36.099481] Rebooting in 86400 seconds..