[....] Starting enhanced syslogd: rsyslogd[ 6.152780] audit: type=1400 audit(1513555601.505:5): avc: denied { syslog } for pid=2975 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: [ 14.145924] audit: type=1400 audit(1513555609.498:6): avc: denied { map } for pid=3112 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-1,10.128.15.199' (ECDSA) to the list of known hosts. [ 20.062912] audit: type=1400 audit(1513555615.415:7): avc: denied { map } for pid=3126 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2017/12/18 00:06:55 parsed 1 programs 2017/12/18 00:06:55 executed programs: 0 [ 20.159297] audit: type=1400 audit(1513555615.512:8): avc: denied { map } for pid=3126 comm="syz-execprog" path="/root/syzkaller-shm729518210" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 20.187797] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 20.198899] general protection fault: 0000 [#1] SMP [ 20.203897] Dumping ftrace buffer: [ 20.207398] (ftrace buffer empty) [ 20.211071] Modules linked in: [ 20.214231] CPU: 0 PID: 3135 Comm: syz-executor0 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 20.222593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.231920] RIP: 0010:native_write_cr4+0x4/0x10 [ 20.236553] RSP: 0018:ffffc900018cbcc0 EFLAGS: 00010093 [ 20.241879] RAX: ffff8802137a2340 RBX: 00000000001606f0 RCX: ffffffff8108d968 [ 20.249116] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606f0 [ 20.256356] RBP: ffffc900018cbcc0 R08: 0000000000000001 R09: 0000000000000004 [ 20.263591] R10: ffffc900018cbce0 R11: 0000000000000004 R12: 0000000000000093 [ 20.270822] R13: ffff8802137a2340 R14: ffff8802134d00d0 R15: ffff8802134d0098 [ 20.278056] FS: 000000000196a940(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 20.286243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.292088] CR2: 0000000000000000 CR3: 000000000301e004 CR4: 00000000001626f0 [ 20.299322] Call Trace: [ 20.301878] hardware_disable+0x1a0/0x210 [ 20.305993] ? kvm_io_bus_get_dev+0x150/0x150 [ 20.310454] kvm_arch_hardware_disable+0x14/0x50 [ 20.315172] hardware_disable_nolock+0x30/0x40 [ 20.319716] on_each_cpu+0x86/0x110 [ 20.323308] hardware_disable_all_nolock+0x3e/0x50 [ 20.328201] kvm_put_kvm+0x349/0x4a0 [ 20.331881] ? kvm_put_kvm+0x4a0/0x4a0 [ 20.335732] kvm_vm_release+0x24/0x30 [ 20.339498] __fput+0x120/0x270 [ 20.342741] ____fput+0x15/0x20 [ 20.345984] task_work_run+0xa3/0xe0 [ 20.349670] do_exit+0x3e6/0x1050 [ 20.353090] ? trace_hardirqs_on_caller+0x130/0x1b0 [ 20.358072] do_group_exit+0x60/0x100 [ 20.361835] SyS_exit_group+0x18/0x20 [ 20.365600] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 20.370317] RIP: 0033:0x452a09 [ 20.373472] RSP: 002b:00007ffec3d49be8 EFLAGS: 00000206 ORIG_RAX: 00000000000000e7 [ 20.381140] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000452a09 [ 20.388374] RDX: 000000000000021e RSI: 00000000007205f8 RDI: 0000000000000000 [ 20.395608] RBP: 000000000000002a R08: 0000000000000000 R09: 0000000000000000 [ 20.402843] R10: 0000000000000000 R11: 0000000000000206 R12: fffffffffffffffe [ 20.410076] R13: 0000000000000002 R14: 00000000202f6fd6 R15: 0000000000000000 [ 20.417312] 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 [ 20.436355] RIP: native_write_cr4+0x4/0x10 RSP: ffffc900018cbcc0 [ 20.442467] ---[ end trace e9dcd9215356b76e ]--- [ 20.447184] Kernel panic - not syncing: Fatal exception [ 20.452548] Dumping ftrace buffer: [ 20.456053] (ftrace buffer empty) [ 20.459728] Kernel Offset: disabled [ 20.463317] Rebooting in 86400 seconds..