[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 18.575786] audit: type=1400 audit(1519953077.668:6): avc: denied { map } for pid=4212 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 '10.128.0.13' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 25.487675] audit: type=1400 audit(1519953084.580:7): avc: denied { map } for pid=4238 comm="syzkaller868321" path="/root/syzkaller868321050" 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 [ 30.688195] kasan: CONFIG_KASAN_INLINE enabled [ 30.692990] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 30.700625] general protection fault: 0000 [#1] SMP KASAN [ 30.706157] Dumping ftrace buffer: [ 30.709668] (ftrace buffer empty) [ 30.713367] Modules linked in: [ 30.716541] CPU: 0 PID: 4238 Comm: syzkaller868321 Not tainted 4.16.0-rc3+ #245 [ 30.723958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.733295] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 30.738367] RSP: 0018:ffff8801d4b4fc78 EFLAGS: 00010206 [ 30.743702] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fb6f4 [ 30.750942] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 30.758186] RBP: ffff8801d4b4fc90 R08: 0000000000000000 R09: 1ffff1003a969f0b [ 30.765428] R10: ffff8801d4b4f820 R11: 0000000000000001 R12: ffff8801b12a87d2 [ 30.772669] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801d4b4fd08 [ 30.779914] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:0000000009615840 [ 30.788114] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 30.793967] CR2: 00007fa020843000 CR3: 00000001b0944004 CR4: 00000000001606f0 [ 30.801210] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 30.808453] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 30.815695] Call Trace: [ 30.818264] smc_shutdown+0x3ed/0x540 [ 30.822049] SyS_shutdown+0x137/0x290 [ 30.825825] ? SyS_getsockopt+0x340/0x340 [ 30.829960] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 30.835478] ? do_fast_syscall_32+0x156/0xf9f [ 30.839945] ? SyS_getsockopt+0x340/0x340 [ 30.844067] do_fast_syscall_32+0x3ec/0xf9f [ 30.848367] ? do_int80_syscall_32+0x9c0/0x9c0 [ 30.852920] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 30.858429] ? syscall_return_slowpath+0x550/0x550 [ 30.863332] ? syscall_return_slowpath+0x2ac/0x550 [ 30.868237] ? sysret32_from_system_call+0x5/0x3c [ 30.873055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.877873] entry_SYSENTER_compat+0x70/0x7f [ 30.882263] RIP: 0023:0xf7f62c99 [ 30.885609] RSP: 002b:00000000ffd8c6cc EFLAGS: 00000217 ORIG_RAX: 0000000000000175 [ 30.893299] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 30.900546] RDX: 0000000000000000 RSI: 000000000000016b RDI: 0000000000000003 [ 30.907788] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 30.915042] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 30.922283] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 30.929546] 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 [ 30.948622] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801d4b4fc78 [ 30.955273] ---[ end trace ab278e9567c7ee09 ]--- [ 30.960025] Kernel panic - not syncing: Fatal exception [ 30.965397] Dumping ftrace buffer: [ 30.968910] (ftrace buffer empty) [ 30.972594] Kernel Offset: disabled [ 30.976193] Rebooting in 86400 seconds..