[....] Starting enhanced syslogd: rsyslogd[ 4.611410] audit: type=1400 audit(1513567270.175:5): avc: denied { syslog } for pid=2962 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 10.338572] audit: type=1400 audit(1513567275.902:6): avc: denied { map } for pid=3098 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 Warning: Permanently added 'ci-upstream-next-kasan-gce-1,10.128.15.232' (ECDSA) to the list of known hosts. executing program [ 34.472617] audit: type=1400 audit(1513567300.036:7): avc: denied { map } for pid=3117 comm="syzkaller876010" path="/root/syzkaller876010665" 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 [ 34.485965] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 34.570240] general protection fault: 0000 [#1] SMP [ 34.575256] Dumping ftrace buffer: [ 34.578757] (ftrace buffer empty) [ 34.582429] Modules linked in: [ 34.585584] CPU: 0 PID: 3118 Comm: syzkaller876010 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 34.594119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.603443] RIP: 0010:native_write_cr4+0x4/0x10 [ 34.608072] RSP: 0018:ffffc90001743cc0 EFLAGS: 00010093 [ 34.613396] RAX: ffff880214cb6080 RBX: 00000000001606f0 RCX: ffffffff8108d968 [ 34.620626] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606f0 [ 34.627858] RBP: ffffc90001743cc0 R08: 0000000000000001 R09: 0000000000000004 [ 34.635091] R10: ffffc90001743ce0 R11: 0000000000000004 R12: 0000000000000093 [ 34.642326] R13: ffff880214cb6080 R14: ffff8802143700d0 R15: ffff880214370098 [ 34.649557] FS: 000000000188c880(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 34.657745] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.663588] CR2: 00007f4dd6d01000 CR3: 000000000301e003 CR4: 00000000001626f0 [ 34.670913] Call Trace: [ 34.673464] hardware_disable+0x1a0/0x210 [ 34.677574] ? kvm_io_bus_get_dev+0x150/0x150 [ 34.682031] kvm_arch_hardware_disable+0x14/0x50 [ 34.686747] hardware_disable_nolock+0x30/0x40 [ 34.691290] on_each_cpu+0x86/0x110 [ 34.694878] hardware_disable_all_nolock+0x3e/0x50 [ 34.699767] kvm_put_kvm+0x349/0x4a0 [ 34.703442] ? kvm_put_kvm+0x4a0/0x4a0 [ 34.707291] kvm_vm_release+0x24/0x30 [ 34.711054] __fput+0x120/0x270 [ 34.714298] ____fput+0x15/0x20 [ 34.717542] task_work_run+0xa3/0xe0 [ 34.721220] do_exit+0x3e6/0x1050 [ 34.724637] ? __hrtimer_init+0xd0/0xd0 [ 34.728572] do_group_exit+0x60/0x100 [ 34.732333] SyS_exit_group+0x18/0x20 [ 34.736096] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 34.740810] RIP: 0033:0x44cd79 [ 34.743964] RSP: 002b:00007ffd48791748 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 34.751638] RAX: ffffffffffffffda RBX: 00007f78fe10c700 RCX: 000000000044cd79 [ 34.758869] RDX: 0000000000478051 RSI: 0000000000000000 RDI: 0000000000000000 [ 34.766099] RBP: 00007ffd487916f0 R08: 00000000006dd1c0 R09: 0000000000000000 [ 34.773330] R10: 00000000006dd144 R11: 0000000000000206 R12: 0000000000000000 [ 34.780564] R13: 00007ffd487916ef R14: 00007f78fe10c9c0 R15: 0000000000000000 [ 34.787798] Code: 0f 1f 80 00 00 00 00 55 48 89 e5 0f 20 d8 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 0f 22 df 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 <0f> 22 e7 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 44 0f 20 c0 5d [ 34.806825] RIP: native_write_cr4+0x4/0x10 RSP: ffffc90001743cc0 [ 34.812933] ---[ end trace 428d11d2ea45295d ]--- [ 34.817648] Kernel panic - not syncing: Fatal exception [ 34.823000] Dumping ftrace buffer: [ 34.826498] (ftrace buffer empty) [ 34.830172] Kernel Offset: disabled [ 34.833759] Rebooting in 86400 seconds..