[....] Starting enhanced syslogd: rsyslogd[ 5.797049] audit: type=1400 audit(1513524683.808:5): avc: denied { syslog } for pid=2957 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: [ 10.543880] audit: type=1400 audit(1513524688.555:6): avc: denied { map } for pid=3093 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-2,10.128.15.212' (ECDSA) to the list of known hosts. executing program [ 30.253497] audit: type=1400 audit(1513524708.265:7): avc: denied { map } for pid=3111 comm="syzkaller833437" path="/root/syzkaller833437020" 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 [ 30.302536] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 30.348527] general protection fault: 0000 [#1] SMP [ 30.353708] Dumping ftrace buffer: [ 30.358080] (ftrace buffer empty) [ 30.361753] Modules linked in: [ 30.364912] CPU: 1 PID: 3112 Comm: syzkaller833437 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 30.373447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 30.382778] RIP: 0010:native_write_cr4+0x4/0x10 [ 30.387411] RSP: 0018:ffffc9000147fcc0 EFLAGS: 00010093 [ 30.392737] RAX: ffff880211c22700 RBX: 00000000001606e0 RCX: ffffffff8108d968 [ 30.399969] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606e0 [ 30.407204] RBP: ffffc9000147fcc0 R08: 0000000000000001 R09: 0000000000000004 [ 30.414612] R10: ffffc9000147fce0 R11: 0000000000000004 R12: 0000000000000093 [ 30.422280] R13: ffff880211c22700 R14: ffff8802137000d0 R15: ffff880213700098 [ 30.429513] FS: 0000000001e45880(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 [ 30.437702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.443546] CR2: 0000000000000000 CR3: 000000000301e005 CR4: 00000000001626e0 [ 30.450781] Call Trace: [ 30.453447] hardware_disable+0x1a0/0x210 [ 30.458426] ? kvm_io_bus_get_dev+0x150/0x150 [ 30.462883] kvm_arch_hardware_disable+0x14/0x50 [ 30.467598] hardware_disable_nolock+0x30/0x40 [ 30.472140] on_each_cpu+0x86/0x110 [ 30.475728] hardware_disable_all_nolock+0x3e/0x50 [ 30.480617] kvm_put_kvm+0x349/0x4a0 [ 30.484293] ? kvm_put_kvm+0x4a0/0x4a0 [ 30.488142] kvm_vm_release+0x24/0x30 [ 30.491907] __fput+0x120/0x270 [ 30.495147] ____fput+0x15/0x20 [ 30.498392] task_work_run+0xa3/0xe0 [ 30.502071] do_exit+0x3e6/0x1050 [ 30.505487] ? __hrtimer_init+0xd0/0xd0 [ 30.509421] do_group_exit+0x60/0x100 [ 30.513185] SyS_exit_group+0x18/0x20 [ 30.516948] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 30.521664] RIP: 0033:0x448af9 [ 30.525684] RSP: 002b:00007fff49f44528 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 30.534395] RAX: ffffffffffffffda RBX: 00007fac223a8700 RCX: 0000000000448af9 [ 30.541632] RDX: 0000000000474351 RSI: 0000000000000000 RDI: 0000000000000001 [ 30.548872] RBP: 00007fff49f444d0 R08: 00000000006debc0 R09: 0000000000000000 [ 30.556105] R10: 00000000006deb44 R11: 0000000000000206 R12: 0000000000000000 [ 30.565516] R13: 00007fff49f444cf R14: 00007fac223a89c0 R15: 0000000000000000 [ 30.572752] 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 [ 30.591778] RIP: native_write_cr4+0x4/0x10 RSP: ffffc9000147fcc0 [ 30.597885] ---[ end trace 7d9bbaaf31f5775f ]--- [ 30.602601] Kernel panic - not syncing: Fatal exception [ 30.607953] Dumping ftrace buffer: [ 30.611455] (ftrace buffer empty) [ 30.615130] Kernel Offset: disabled [ 30.618717] Rebooting in 86400 seconds..