[....] Starting enhanced syslogd: rsyslogd[ 5.673345] audit: type=1400 audit(1513491293.785:5): avc: denied { syslog } for pid=2963 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: [ 8.749925] audit: type=1400 audit(1513491296.861:6): 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-6,10.128.0.13' (ECDSA) to the list of known hosts. executing program [ 14.601773] audit: type=1400 audit(1513491302.713:7): avc: denied { map } for pid=3112 comm="syzkaller761588" path="/root/syzkaller761588281" 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 [ 14.608780] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 14.624601] general protection fault: 0000 [#1] SMP [ 14.629605] Dumping ftrace buffer: [ 14.633106] (ftrace buffer empty) [ 14.636777] Modules linked in: [ 14.639933] CPU: 0 PID: 3112 Comm: syzkaller761588 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 14.648466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 14.657787] RIP: 0010:native_write_cr4+0x4/0x10 [ 14.662416] RSP: 0018:ffffc9000187bcc0 EFLAGS: 00010093 [ 14.667741] RAX: ffff8802135e2600 RBX: 00000000001606f0 RCX: ffffffff8108d968 [ 14.674972] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606f0 [ 14.682205] RBP: ffffc9000187bcc0 R08: 0000000000000001 R09: 0000000000000004 [ 14.689437] R10: ffffc9000187bce0 R11: 0000000000000004 R12: 0000000000000093 [ 14.696670] R13: ffff8802135e2600 R14: ffff8802143200d0 R15: ffff880214320098 [ 14.703902] FS: 00000000008b1880(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 14.712088] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 14.717930] CR2: 0000000000000000 CR3: 000000000301e004 CR4: 00000000001626f0 [ 14.725163] Call Trace: [ 14.727711] hardware_disable+0x1a0/0x210 [ 14.731819] ? kvm_io_bus_get_dev+0x150/0x150 [ 14.736276] kvm_arch_hardware_disable+0x14/0x50 [ 14.740992] hardware_disable_nolock+0x30/0x40 [ 14.745538] on_each_cpu+0x86/0x110 [ 14.749127] hardware_disable_all_nolock+0x3e/0x50 [ 14.754020] kvm_put_kvm+0x349/0x4a0 [ 14.757695] ? kvm_put_kvm+0x4a0/0x4a0 [ 14.761545] kvm_vm_release+0x24/0x30 [ 14.765307] __fput+0x120/0x270 [ 14.768549] ____fput+0x15/0x20 [ 14.771792] task_work_run+0xa3/0xe0 [ 14.775470] do_exit+0x3e6/0x1050 [ 14.778887] ? security_file_ioctl+0x51/0x80 [ 14.783257] do_group_exit+0x60/0x100 [ 14.787020] SyS_exit_group+0x18/0x20 [ 14.790783] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 14.795498] RIP: 0033:0x441c78 [ 14.798649] RSP: 002b:00007fff3a632dc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.806318] RAX: ffffffffffffffda RBX: 00007fff3a631980 RCX: 0000000000441c78 [ 14.813549] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 14.820780] RBP: 0000000000000006 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 14.828016] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000 [ 14.835251] R13: 0000000000000004 R14: 0000000000000004 R15: 0000000020ac0000 [ 14.842486] 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 [ 14.861511] RIP: native_write_cr4+0x4/0x10 RSP: ffffc9000187bcc0 [ 14.867881] ---[ end trace 823e33907749ea68 ]--- [ 14.872595] Kernel panic - not syncing: Fatal exception [ 14.878332] Dumping ftrace buffer: [ 14.881836] (ftrace buffer empty) [ 14.885510] Kernel Offset: disabled [ 14.889096] Rebooting in 86400 seconds..