[....] Starting enhanced syslogd: rsyslogd[ 5.642025] audit: type=1400 audit(1513515742.175:5): 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: [ 7.660519] audit: type=1400 audit(1513515744.194:6): 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-6,10.128.0.9' (ECDSA) to the list of known hosts. executing program [ 13.475900] audit: type=1400 audit(1513515750.009:7): avc: denied { map } for pid=3111 comm="syzkaller499637" path="/root/syzkaller499637218" 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 [ 13.482979] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 13.491194] general protection fault: 0000 [#1] SMP [ 13.491895] Dumping ftrace buffer: [ 13.492369] (ftrace buffer empty) [ 13.492863] Modules linked in: [ 13.493297] CPU: 1 PID: 3111 Comm: syzkaller499637 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 13.494415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 13.495669] RIP: 0010:native_write_cr4+0x4/0x10 [ 13.496309] RSP: 0018:ffffc9000107fcc0 EFLAGS: 00010093 [ 13.497059] RAX: ffff88021431c640 RBX: 00000000001606e0 RCX: ffffffff8108d968 [ 13.498027] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606e0 [ 13.498974] RBP: ffffc9000107fcc0 R08: 0000000000000001 R09: 0000000000000004 [ 13.499923] R10: ffffc9000107fce0 R11: 0000000000000004 R12: 0000000000000093 [ 13.500888] R13: ffff88021431c640 R14: ffff8802142a00d0 R15: ffff8802142a0098 [ 13.501837] FS: 00000000016cc880(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 [ 13.502910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.503694] CR2: 0000000000000000 CR3: 000000000301e005 CR4: 00000000001626e0 [ 13.504646] Call Trace: [ 13.505002] hardware_disable+0x1a0/0x210 [ 13.505562] ? kvm_io_bus_get_dev+0x150/0x150 [ 13.506162] kvm_arch_hardware_disable+0x14/0x50 [ 13.506792] hardware_disable_nolock+0x30/0x40 [ 13.507417] on_each_cpu+0x86/0x110 [ 13.507901] hardware_disable_all_nolock+0x3e/0x50 [ 13.508553] kvm_put_kvm+0x349/0x4a0 [ 13.509048] ? kvm_put_kvm+0x4a0/0x4a0 [ 13.509566] kvm_vm_release+0x24/0x30 [ 13.510076] __fput+0x120/0x270 [ 13.510517] ____fput+0x15/0x20 [ 13.510957] task_work_run+0xa3/0xe0 [ 13.511464] do_exit+0x3e6/0x1050 [ 13.511926] ? trace_hardirqs_on+0xd/0x10 [ 13.512479] ? kvm_on_user_return+0x124/0x1a0 [ 13.513079] do_group_exit+0x60/0x100 [ 13.513587] SyS_exit_group+0x18/0x20 [ 13.514106] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 13.514743] RIP: 0033:0x441cb8 [ 13.515171] RSP: 002b:00007ffc1ad3fc88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.516179] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441cb8 [ 13.517129] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 13.518080] RBP: 00000000006cd018 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 13.519038] R10: 0000000000000012 R11: 0000000000000246 R12: 00000000004040c0 [ 13.519988] R13: 0000000000404150 R14: 0000000000000000 R15: 0000000000000000 [ 13.520940] 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 [ 13.523489] RIP: native_write_cr4+0x4/0x10 RSP: ffffc9000107fcc0 [ 13.524316] ---[ end trace 47282611a0683c89 ]--- [ 13.524942] Kernel panic - not syncing: Fatal exception [ 13.526090] Dumping ftrace buffer: [ 13.526590] (ftrace buffer empty) [ 13.527085] Kernel Offset: disabled [ 13.527571] Rebooting in 86400 seconds..