[....] Starting enhanced syslogd: rsyslogd[ 5.203714] audit: type=1400 audit(1513485033.110:5): avc: denied { syslog } for pid=2976 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: [ 14.602695] audit: type=1400 audit(1513485042.509:6): avc: denied { map } for pid=3113 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-5,10.128.15.205' (ECDSA) to the list of known hosts. executing program [ 20.459720] audit: type=1400 audit(1513485048.366:7): avc: denied { map } for pid=3127 comm="syzkaller497015" path="/root/syzkaller497015654" 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 [ 20.488908] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 20.501732] general protection fault: 0000 [#1] SMP [ 20.506733] Dumping ftrace buffer: [ 20.510236] (ftrace buffer empty) [ 20.513910] Modules linked in: [ 20.517079] CPU: 0 PID: 3127 Comm: syzkaller497015 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 20.525617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.534948] RIP: 0010:native_write_cr4+0x4/0x10 [ 20.539576] RSP: 0018:ffffc9000175bcc0 EFLAGS: 00010093 [ 20.544906] RAX: ffff880214d40740 RBX: 00000000001606f0 RCX: ffffffff8108d968 [ 20.552137] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606f0 [ 20.559370] RBP: ffffc9000175bcc0 R08: 0000000000000001 R09: 0000000000000004 [ 20.566603] R10: ffffc9000175bce0 R11: 0000000000000004 R12: 0000000000000093 [ 20.573836] R13: ffff880214d40740 R14: ffff88020ecc00d0 R15: ffff88020ecc0098 [ 20.581076] FS: 0000000000e64880(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 20.589272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.595115] CR2: 0000000000000000 CR3: 000000000301e005 CR4: 00000000001626f0 [ 20.602869] Call Trace: [ 20.605420] hardware_disable+0x1a0/0x210 [ 20.609532] ? kvm_io_bus_get_dev+0x150/0x150 [ 20.613997] kvm_arch_hardware_disable+0x14/0x50 [ 20.618713] hardware_disable_nolock+0x30/0x40 [ 20.623256] on_each_cpu+0x86/0x110 [ 20.626846] hardware_disable_all_nolock+0x3e/0x50 [ 20.631737] kvm_put_kvm+0x349/0x4a0 [ 20.635411] ? kvm_put_kvm+0x4a0/0x4a0 [ 20.639260] kvm_vm_release+0x24/0x30 [ 20.643024] __fput+0x120/0x270 [ 20.646266] ____fput+0x15/0x20 [ 20.649509] task_work_run+0xa3/0xe0 [ 20.653185] do_exit+0x3e6/0x1050 [ 20.656600] ? trace_hardirqs_on+0xd/0x10 [ 20.660711] ? kvm_on_user_return+0x124/0x1a0 [ 20.665170] do_group_exit+0x60/0x100 [ 20.668931] SyS_exit_group+0x18/0x20 [ 20.672693] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 20.677409] RIP: 0033:0x441c88 [ 20.680562] RSP: 002b:00007ffd793bb708 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 20.688230] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000441c88 [ 20.695463] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 20.702693] RBP: 00000000006cd018 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 20.709927] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000404090 [ 20.717158] R13: 0000000000404120 R14: 0000000000000000 R15: 0000000000000000 [ 20.724397] 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 [ 20.743422] RIP: native_write_cr4+0x4/0x10 RSP: ffffc9000175bcc0 [ 20.749533] ---[ end trace 5fa91d3dbe57d6c7 ]--- [ 20.754249] Kernel panic - not syncing: Fatal exception [ 20.759605] Dumping ftrace buffer: [ 20.763108] (ftrace buffer empty) [ 20.766782] Kernel Offset: disabled [ 20.770372] Rebooting in 86400 seconds..