[....] Starting enhanced syslogd: rsyslogd[ 5.286691] audit: type=1400 audit(1513405291.702:5): avc: denied { syslog } for pid=2962 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: [ 9.369432] audit: type=1400 audit(1513405295.785:6): 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-2,10.128.15.217' (ECDSA) to the list of known hosts. [ 15.208795] audit: type=1400 audit(1513405301.624:7): avc: denied { map } for pid=3111 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 2017/12/16 06:21:42 parsed 1 programs 2017/12/16 06:21:42 executed programs: 0 [ 15.664806] audit: type=1400 audit(1513405302.080:8): avc: denied { map } for pid=3111 comm="syz-execprog" path="/root/syzkaller-shm256126343" 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 [ 15.693182] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 15.704928] general protection fault: 0000 [#1] SMP [ 15.709925] Dumping ftrace buffer: [ 15.713429] (ftrace buffer empty) [ 15.717100] Modules linked in: [ 15.720257] CPU: 0 PID: 3120 Comm: syz-executor0 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 15.728618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 15.737955] RIP: 0010:native_write_cr4+0x4/0x10 [ 15.742595] RSP: 0018:ffffc900017ebcc0 EFLAGS: 00010093 [ 15.747919] RAX: ffff8802137de5c0 RBX: 00000000001606f0 RCX: ffffffff8108d968 [ 15.755152] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606f0 [ 15.762383] RBP: ffffc900017ebcc0 R08: 0000000000000001 R09: 0000000000000004 [ 15.769616] R10: ffffc900017ebce0 R11: 0000000000000004 R12: 0000000000000093 [ 15.776850] R13: ffff8802137de5c0 R14: ffff8802142600d0 R15: ffff880214260098 [ 15.784086] FS: 0000000001e01940(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 15.792277] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.798120] CR2: 0000000000000000 CR3: 000000000301e002 CR4: 00000000001626f0 [ 15.805359] Call Trace: [ 15.807913] hardware_disable+0x1a0/0x210 [ 15.812021] ? kvm_io_bus_get_dev+0x150/0x150 [ 15.816480] kvm_arch_hardware_disable+0x14/0x50 [ 15.821198] hardware_disable_nolock+0x30/0x40 [ 15.825742] on_each_cpu+0x86/0x110 [ 15.829329] hardware_disable_all_nolock+0x3e/0x50 [ 15.834233] kvm_put_kvm+0x349/0x4a0 [ 15.837912] ? kvm_put_kvm+0x4a0/0x4a0 [ 15.841761] kvm_vm_release+0x24/0x30 [ 15.845522] __fput+0x120/0x270 [ 15.848764] ____fput+0x15/0x20 [ 15.852007] task_work_run+0xa3/0xe0 [ 15.855685] do_exit+0x3e6/0x1050 [ 15.859103] ? _raw_spin_unlock_irq+0x38/0x50 [ 15.863562] do_group_exit+0x60/0x100 [ 15.867326] SyS_exit_group+0x18/0x20 [ 15.871087] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 15.875802] RIP: 0033:0x452a39 [ 15.878953] RSP: 002b:00007ffd75a322a8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 [ 15.886619] RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 0000000000452a39 [ 15.893850] RDX: 000000000000021e RSI: 00000000007605f8 RDI: 0000000000000000 [ 15.901081] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 15.908316] R10: 0000000000000000 R11: 0000000000000202 R12: fffffffffffffffe [ 15.915546] R13: 000000002029f000 R14: 0000000000000000 R15: 0000000000000000 [ 15.922781] 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 [ 15.941805] RIP: native_write_cr4+0x4/0x10 RSP: ffffc900017ebcc0 [ 15.947920] ---[ end trace 337100d3a90aa6f3 ]--- [ 15.952633] Kernel panic - not syncing: Fatal exception [ 15.958300] Dumping ftrace buffer: [ 15.961800] (ftrace buffer empty) [ 15.965474] Kernel Offset: disabled [ 15.969060] Rebooting in 86400 seconds..