[....] Starting enhanced syslogd: rsyslogd[ 4.832376] audit: type=1400 audit(1513539694.327:5): avc: denied { syslog } for pid=2967 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: [ 7.778107] audit: type=1400 audit(1513539697.272:6): avc: denied { map } for pid=3102 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-2,10.128.0.62' (ECDSA) to the list of known hosts. executing program [ 13.630196] audit: type=1400 audit(1513539703.125:7): avc: denied { map } for pid=3116 comm="syzkaller777060" path="/root/syzkaller777060048" 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 [ 13.637168] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 13.645093] general protection fault: 0000 [#1] SMP [ 13.645855] Dumping ftrace buffer: [ 13.646402] (ftrace buffer empty) [ 13.646919] Modules linked in: [ 13.647352] CPU: 1 PID: 3116 Comm: syzkaller777060 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 13.648470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 13.649692] RIP: 0010:native_write_cr4+0x4/0x10 [ 13.650325] RSP: 0018:ffffc9000185bcc0 EFLAGS: 00010093 [ 13.651041] RAX: ffff88021302e140 RBX: 00000000001606e0 RCX: ffffffff8108d968 [ 13.652032] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606e0 [ 13.653031] RBP: ffffc9000185bcc0 R08: 0000000000000001 R09: 0000000000000004 [ 13.653982] R10: ffffc9000185bce0 R11: 0000000000000004 R12: 0000000000000093 [ 13.655000] R13: ffff88021302e140 R14: ffff8802132100d0 R15: ffff880213210098 [ 13.656004] FS: 0000000001626880(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 [ 13.657114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.657907] CR2: 0000000000000000 CR3: 000000000301e005 CR4: 00000000001626e0 [ 13.658877] Call Trace: [ 13.659237] hardware_disable+0x1a0/0x210 [ 13.659796] ? kvm_io_bus_get_dev+0x150/0x150 [ 13.660394] kvm_arch_hardware_disable+0x14/0x50 [ 13.661027] hardware_disable_nolock+0x30/0x40 [ 13.661638] on_each_cpu+0x86/0x110 [ 13.662124] hardware_disable_all_nolock+0x3e/0x50 [ 13.662775] kvm_put_kvm+0x349/0x4a0 [ 13.663273] ? kvm_put_kvm+0x4a0/0x4a0 [ 13.663793] kvm_vm_release+0x24/0x30 [ 13.664350] __fput+0x120/0x270 [ 13.664811] ____fput+0x15/0x20 [ 13.665252] task_work_run+0xa3/0xe0 [ 13.665749] do_exit+0x3e6/0x1050 [ 13.666212] ? trace_hardirqs_on+0xd/0x10 [ 13.666767] ? kvm_on_user_return+0x124/0x1a0 [ 13.667375] do_group_exit+0x60/0x100 [ 13.667910] SyS_exit_group+0x18/0x20 [ 13.668417] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 13.669044] RIP: 0033:0x441c68 [ 13.669472] RSP: 002b:00007ffe210d2d48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.670519] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000441c68 [ 13.671502] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 13.672461] RBP: 00000000006cd018 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 13.673412] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000404070 [ 13.674373] R13: 0000000000404100 R14: 0000000000000000 R15: 0000000000000000 [ 13.675327] 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 [ 13.677852] RIP: native_write_cr4+0x4/0x10 RSP: ffffc9000185bcc0 [ 13.678679] ---[ end trace 8d822f9871d3a59b ]--- [ 13.679308] Kernel panic - not syncing: Fatal exception [ 13.680473] Dumping ftrace buffer: [ 13.680994] (ftrace buffer empty) [ 13.681492] Kernel Offset: disabled [ 13.681977] Rebooting in 86400 seconds..