[....] Starting enhanced syslogd: rsyslogd[ 4.984546] audit: type=1400 audit(1513493683.154:5): 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 6.632526] audit: type=1400 audit(1513493684.802:6): avc: denied { map } for pid=3097 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-2,10.128.0.51' (ECDSA) to the list of known hosts. executing program [ 16.097627] audit: type=1400 audit(1513493694.267:7): avc: denied { map } for pid=3112 comm="syzkaller253198" path="/root/syzkaller253198724" 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 [ 16.105419] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 16.111903] general protection fault: 0000 [#1] SMP [ 16.112603] Dumping ftrace buffer: [ 16.113076] (ftrace buffer empty) [ 16.113568] Modules linked in: [ 16.113999] CPU: 1 PID: 3112 Comm: syzkaller253198 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 16.115120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 16.116359] RIP: 0010:native_write_cr4+0x4/0x10 [ 16.116974] RSP: 0018:ffffc90000f33cc0 EFLAGS: 00010093 [ 16.117699] RAX: ffff88021306c000 RBX: 00000000001606e0 RCX: ffffffff8108d968 [ 16.118648] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606e0 [ 16.125881] RBP: ffffc90000f33cc0 R08: 0000000000000001 R09: 0000000000000004 [ 16.133116] R10: ffffc90000f33ce0 R11: 0000000000000004 R12: 0000000000000093 [ 16.140349] R13: ffff88021306c000 R14: ffff8802143b00d0 R15: ffff8802143b0098 [ 16.147586] FS: 00000000019dd880(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 [ 16.155774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.161616] CR2: 00007f66eee4d000 CR3: 000000000301e004 CR4: 00000000001626e0 [ 16.168849] Call Trace: [ 16.171400] hardware_disable+0x1a0/0x210 [ 16.175513] ? kvm_io_bus_get_dev+0x150/0x150 [ 16.179972] kvm_arch_hardware_disable+0x14/0x50 [ 16.184691] hardware_disable_nolock+0x30/0x40 [ 16.189235] on_each_cpu+0x86/0x110 [ 16.192825] hardware_disable_all_nolock+0x3e/0x50 [ 16.197717] kvm_put_kvm+0x349/0x4a0 [ 16.201393] ? kvm_put_kvm+0x4a0/0x4a0 [ 16.205241] kvm_vm_release+0x24/0x30 [ 16.209004] __fput+0x120/0x270 [ 16.212247] ____fput+0x15/0x20 [ 16.215492] task_work_run+0xa3/0xe0 [ 16.219170] do_exit+0x3e6/0x1050 [ 16.222590] ? security_file_ioctl+0x51/0x80 [ 16.226961] do_group_exit+0x60/0x100 [ 16.230726] SyS_exit_group+0x18/0x20 [ 16.234488] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 16.239205] RIP: 0033:0x441c88 [ 16.242357] RSP: 002b:00007ffc4b0b48e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 16.250026] RAX: ffffffffffffffda RBX: 00007ffc4b0b34a0 RCX: 0000000000441c88 [ 16.257259] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 16.264490] RBP: 0000000000000006 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 16.271723] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000 [ 16.278964] R13: 0000000000000004 R14: 0000000000000004 R15: 0000000020980000 [ 16.286203] 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 [ 16.305231] RIP: native_write_cr4+0x4/0x10 RSP: ffffc90000f33cc0 [ 16.311339] ---[ end trace 1d9ebad1f8858dff ]--- [ 16.316056] Kernel panic - not syncing: Fatal exception [ 16.321407] Dumping ftrace buffer: [ 16.324918] (ftrace buffer empty) [ 16.328591] Kernel Offset: disabled [ 16.332182] Rebooting in 86400 seconds..