[?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. [ 17.725186] audit: type=1400 audit(1521370049.217:6): avc: denied { map } for pid=4215 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 '10.128.0.19' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 23.997434] audit: type=1400 audit(1521370055.490:7): avc: denied { map } for pid=4229 comm="syzkaller026578" path="/root/syzkaller026578718" 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 [ 29.151185] kasan: CONFIG_KASAN_INLINE enabled [ 29.155930] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.163304] general protection fault: 0000 [#1] SMP KASAN [ 29.168830] Dumping ftrace buffer: [ 29.172340] (ftrace buffer empty) [ 29.176031] Modules linked in: [ 29.179198] CPU: 0 PID: 4229 Comm: syzkaller026578 Not tainted 4.16.0-rc5+ #267 [ 29.186609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.195939] RIP: 0010:kernel_sock_shutdown+0x29/0x70 [ 29.201011] RSP: 0018:ffff8801d29afc78 EFLAGS: 00010206 [ 29.206348] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845ff6f4 [ 29.213586] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028 [ 29.220825] RBP: ffff8801d29afc90 R08: 0000000000000000 R09: 1ffff1003a535f0b [ 29.228063] R10: ffff8801d29af820 R11: 0000000000000001 R12: ffff8801b28aa7d2 [ 29.235300] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801d29afd08 [ 29.242549] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:0000000009747840 [ 29.250748] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 29.256597] CR2: 00007f9670dbf000 CR3: 00000001b7c83004 CR4: 00000000001606f0 [ 29.263845] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.271264] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.278521] Call Trace: [ 29.281092] smc_shutdown+0x3ed/0x540 [ 29.284892] SyS_shutdown+0x137/0x290 [ 29.288665] ? SyS_getsockopt+0x340/0x340 [ 29.292789] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 29.298298] ? do_fast_syscall_32+0x156/0xf9f [ 29.302765] ? SyS_getsockopt+0x340/0x340 [ 29.306882] do_fast_syscall_32+0x3ec/0xf9f [ 29.311175] ? do_int80_syscall_32+0x9c0/0x9c0 [ 29.315726] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 29.320450] ? syscall_return_slowpath+0x550/0x550 [ 29.325348] ? syscall_return_slowpath+0x2ac/0x550 [ 29.330246] ? prepare_exit_to_usermode+0x350/0x350 [ 29.335231] ? sysret32_from_system_call+0x5/0x3c [ 29.340042] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.344858] entry_SYSENTER_compat+0x70/0x7f [ 29.349245] RIP: 0023:0xf7f55c99 [ 29.352578] RSP: 002b:00000000ff93d67c EFLAGS: 00000217 ORIG_RAX: 0000000000000175 [ 29.360252] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000000 [ 29.367490] RDX: 0000000000000000 RSI: 000000000000016b RDI: 0000000000000003 [ 29.374727] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 29.381964] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 29.389201] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 29.396446] 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 [ 29.415510] RIP: kernel_sock_shutdown+0x29/0x70 RSP: ffff8801d29afc78 [ 29.422160] ---[ end trace 54d7955ae5246904 ]--- [ 29.426899] Kernel panic - not syncing: Fatal exception [ 29.432594] Dumping ftrace buffer: [ 29.436109] (ftrace buffer empty) [ 29.439789] Kernel Offset: disabled [ 29.443387] Rebooting in 86400 seconds..