[....] Starting enhanced syslogd: rsyslogd[ 5.951997] audit: type=1400 audit(1513540587.447:5): avc: denied { syslog } for pid=2964 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: [ 12.717873] audit: type=1400 audit(1513540594.213:6): avc: denied { map } for pid=3100 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-9,10.128.0.2' (ECDSA) to the list of known hosts. executing program [ 18.580166] audit: type=1400 audit(1513540600.076:7): avc: denied { map } for pid=3114 comm="syzkaller426276" path="/root/syzkaller426276121" 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 [ 18.586744] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 18.593644] general protection fault: 0000 [#1] SMP [ 18.594365] Dumping ftrace buffer: [ 18.594838] (ftrace buffer empty) [ 18.595375] Modules linked in: [ 18.595829] CPU: 0 PID: 3114 Comm: syzkaller426276 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 18.596995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.598215] RIP: 0010:native_write_cr4+0x4/0x10 [ 18.598831] RSP: 0018:ffffc90001853cc0 EFLAGS: 00010093 [ 18.599538] RAX: ffff880213576140 RBX: 00000000001606f0 RCX: ffffffff8108d968 [ 18.600485] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606f0 [ 18.607716] RBP: ffffc90001853cc0 R08: 0000000000000001 R09: 0000000000000004 [ 18.614948] R10: ffffc90001853ce0 R11: 0000000000000004 R12: 0000000000000093 [ 18.622182] R13: ffff880213576140 R14: ffff88020efe00d0 R15: ffff88020efe0098 [ 18.629417] FS: 0000000000cc6880(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 18.637605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.643449] CR2: 0000000000000000 CR3: 000000000301e006 CR4: 00000000001626f0 [ 18.650697] Call Trace: [ 18.653248] hardware_disable+0x1a0/0x210 [ 18.657361] ? kvm_io_bus_get_dev+0x150/0x150 [ 18.661819] kvm_arch_hardware_disable+0x14/0x50 [ 18.667245] hardware_disable_nolock+0x30/0x40 [ 18.671787] on_each_cpu+0x86/0x110 [ 18.675376] hardware_disable_all_nolock+0x3e/0x50 [ 18.680271] kvm_put_kvm+0x349/0x4a0 [ 18.683945] ? kvm_put_kvm+0x4a0/0x4a0 [ 18.687793] kvm_vm_release+0x24/0x30 [ 18.691555] __fput+0x120/0x270 [ 18.694798] ____fput+0x15/0x20 [ 18.698043] task_work_run+0xa3/0xe0 [ 18.701720] do_exit+0x3e6/0x1050 [ 18.705135] ? security_file_ioctl+0x51/0x80 [ 18.709505] do_group_exit+0x60/0x100 [ 18.713266] SyS_exit_group+0x18/0x20 [ 18.717032] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 18.721745] RIP: 0033:0x442198 [ 18.724897] RSP: 002b:00007ffc52ead938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 18.732565] RAX: ffffffffffffffda RBX: 000000002077b000 RCX: 0000000000442198 [ 18.739796] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 18.747026] RBP: 0000000000000000 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 18.754257] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 18.761488] R13: 000000002077ee00 R14: 0000000000000004 R15: 000000002077b000 [ 18.768728] 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 [ 18.787754] RIP: native_write_cr4+0x4/0x10 RSP: ffffc90001853cc0 [ 18.793861] ---[ end trace 6594e40fe937563a ]--- [ 18.798576] Kernel panic - not syncing: Fatal exception [ 18.803928] Dumping ftrace buffer: [ 18.807428] (ftrace buffer empty) [ 18.811102] Kernel Offset: disabled [ 18.814690] Rebooting in 86400 seconds..