[....] Starting enhanced syslogd: rsyslogd[ 5.934680] audit: type=1400 audit(1513528877.741:5): avc: denied { syslog } for pid=2959 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: [ 9.471739] audit: type=1400 audit(1513528881.278:6): avc: denied { map } for pid=3094 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-2,10.128.0.49' (ECDSA) to the list of known hosts. executing program [ 15.394855] audit: type=1400 audit(1513528887.201:7): avc: denied { map } for pid=3108 comm="syzkaller298050" path="/root/syzkaller298050712" 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 [ 15.402157] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 15.409363] general protection fault: 0000 [#1] SMP [ 15.410115] Dumping ftrace buffer: [ 15.410589] (ftrace buffer empty) [ 15.411082] Modules linked in: [ 15.411514] CPU: 0 PID: 3108 Comm: syzkaller298050 Not tainted 4.15.0-rc3-next-20171214+ #67 [ 15.412660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 15.413916] RIP: 0010:native_write_cr4+0x4/0x10 [ 15.414533] RSP: 0018:ffffc9000177bcc0 EFLAGS: 00010093 [ 15.415240] RAX: ffff880214d34600 RBX: 00000000001606f0 RCX: ffffffff8108d968 [ 15.422474] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606f0 [ 15.429705] RBP: ffffc9000177bcc0 R08: 0000000000000001 R09: 0000000000000004 [ 15.436939] R10: ffffc9000177bce0 R11: 0000000000000004 R12: 0000000000000093 [ 15.444194] R13: ffff880214d34600 R14: ffff8802122a00d0 R15: ffff8802122a0098 [ 15.451429] FS: 00000000009bc880(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 [ 15.459624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 15.465469] CR2: 0000000000000000 CR3: 000000000301e003 CR4: 00000000001626f0 [ 15.472704] Call Trace: [ 15.475259] hardware_disable+0x1a0/0x210 [ 15.479373] ? kvm_io_bus_get_dev+0x150/0x150 [ 15.483831] kvm_arch_hardware_disable+0x14/0x50 [ 15.488563] hardware_disable_nolock+0x30/0x40 [ 15.493112] on_each_cpu+0x86/0x110 [ 15.496702] hardware_disable_all_nolock+0x3e/0x50 [ 15.501595] kvm_put_kvm+0x349/0x4a0 [ 15.505272] ? kvm_put_kvm+0x4a0/0x4a0 [ 15.509123] kvm_vm_release+0x24/0x30 [ 15.512890] __fput+0x120/0x270 [ 15.516134] ____fput+0x15/0x20 [ 15.519380] task_work_run+0xa3/0xe0 [ 15.523057] do_exit+0x3e6/0x1050 [ 15.526476] ? trace_hardirqs_on+0xd/0x10 [ 15.530586] ? kvm_on_user_return+0x124/0x1a0 [ 15.535048] do_group_exit+0x60/0x100 [ 15.538812] SyS_exit_group+0x18/0x20 [ 15.542578] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 15.547296] RIP: 0033:0x441c78 [ 15.550456] RSP: 002b:00007ffefb35c2f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.558126] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000441c78 [ 15.565361] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 15.572594] RBP: 00000000006cd018 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 15.579826] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000404080 [ 15.587058] R13: 0000000000404110 R14: 0000000000000000 R15: 0000000000000000 [ 15.594309] 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 [ 15.613340] RIP: native_write_cr4+0x4/0x10 RSP: ffffc9000177bcc0 [ 15.619450] ---[ end trace 7b931607edcd7838 ]--- [ 15.624165] Kernel panic - not syncing: Fatal exception [ 15.629947] Dumping ftrace buffer: [ 15.633457] (ftrace buffer empty) [ 15.637141] Kernel Offset: disabled [ 15.640736] Rebooting in 86400 seconds..