[....] Starting enhanced syslogd: rsyslogd[ 11.377722] audit: type=1400 audit(1513443789.259:5): avc: denied { syslog } for pid=2995 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[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Starting mcstransd:
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Debian GNU/Linux 7 syzkaller ttyS0
syzkaller login: [ 17.328963] audit: type=1400 audit(1513443795.210:6): avc: denied { map } for pid=3134 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-kasan-gce-0,10.128.15.219' (ECDSA) to the list of known hosts.
executing program
[ 23.535573] audit: type=1400 audit(1513443801.417:7): avc: denied { map } for pid=3147 comm="syzkaller254410" path="/root/syzkaller254410460" 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
[ 23.567896] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu
[ 23.584797] kasan: CONFIG_KASAN_INLINE enabled
[ 23.589409] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 23.596740] general protection fault: 0000 [#1] SMP KASAN
[ 23.602244] Dumping ftrace buffer:
[ 23.605750] (ftrace buffer empty)
[ 23.609427] Modules linked in:
[ 23.612591] CPU: 0 PID: 3147 Comm: syzkaller254410 Not tainted 4.15.0-rc3+ #224
[ 23.620004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 23.629335] RIP: 0010:native_write_cr4+0x4/0x10
[ 23.633972] RSP: 0018:ffff8801c91875a0 EFLAGS: 00010093
[ 23.639308] RAX: ffff8801ca1f66c0 RBX: 00000000001606f0 RCX: ffffffff811a2a92
[ 23.646546] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000001606f0
[ 23.653782] RBP: ffff8801c91875a0 R08: 1ffff10039230e0f R09: 0000000000000004
[ 23.661016] R10: ffff8801c9187510 R11: 0000000000000004 R12: 0000000000000093
[ 23.668252] R13: ffff8801ca1f66c0 R14: ffff8801db414850 R15: ffff8801db414850
[ 23.675487] FS: 00000000024b3880(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
[ 23.683687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.689533] CR2: 0000000000000000 CR3: 0000000005e22005 CR4: 00000000001626f0
[ 23.696768] Call Trace:
[ 23.699328] hardware_disable+0x34a/0x4b0
[ 23.703447] ? kvm_io_bus_get_dev+0x2a0/0x2a0
[ 23.707913] kvm_arch_hardware_disable+0x35/0xd0
[ 23.712643] ? kvm_io_bus_get_dev+0x2a0/0x2a0
[ 23.717102] hardware_disable_nolock+0x30/0x40
[ 23.721649] on_each_cpu+0xca/0x1b0
[ 23.725243] hardware_disable_all_nolock+0x3e/0x50
[ 23.730137] kvm_put_kvm+0x956/0xdf0
[ 23.733819] ? kvm_clear_guest+0xb0/0xb0
[ 23.737849] ? kvm_irqfd_release+0xd1/0x120
[ 23.742137] ? lock_downgrade+0x980/0x980
[ 23.746259] ? _raw_spin_unlock_irq+0x27/0x70
[ 23.750718] ? trace_hardirqs_on_caller+0x421/0x5c0
[ 23.755700] ? kvm_irqfd_release+0xdd/0x120
[ 23.759988] ? kvm_irqfd_release+0xdd/0x120
[ 23.764276] ? kvm_put_kvm+0xdf0/0xdf0
[ 23.768127] kvm_vm_release+0x42/0x50
[ 23.771894] __fput+0x327/0x7e0
[ 23.775140] ? fput+0x140/0x140
[ 23.778387] ? trace_event_raw_event_sched_switch+0x800/0x800
[ 23.784235] ? _raw_spin_unlock_irq+0x27/0x70
[ 23.788697] ____fput+0x15/0x20
[ 23.791948] task_work_run+0x199/0x270
[ 23.795810] ? task_work_cancel+0x210/0x210
[ 23.800097] ? _raw_spin_unlock+0x22/0x30
[ 23.804210] ? switch_task_namespaces+0x87/0xc0
[ 23.808846] do_exit+0x9bb/0x1ad0
[ 23.812266] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0
[ 23.817509] ? mm_update_next_owner+0x930/0x930
[ 23.822143] ? find_held_lock+0x35/0x1d0
[ 23.826178] ? handle_mm_fault+0x248/0x8d0
[ 23.830379] ? find_held_lock+0x35/0x1d0
[ 23.834421] ? __do_page_fault+0x5f7/0xc90
[ 23.838621] ? lock_downgrade+0x980/0x980
[ 23.842738] ? down_read_trylock+0xdb/0x170
[ 23.847023] ? __do_page_fault+0x32d/0xc90
[ 23.851223] ? __handle_mm_fault+0x3ce0/0x3ce0
[ 23.855771] ? vmacache_find+0x5f/0x280
[ 23.859715] ? up_read+0x1a/0x40
[ 23.863055] ? __do_page_fault+0x3d6/0xc90
[ 23.867256] ? task_work_run+0x1f4/0x270
[ 23.871660] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0
[ 23.876902] ? do_vfs_ioctl+0x486/0x1520
[ 23.880932] ? ioctl_preallocate+0x2b0/0x2b0
[ 23.885309] ? selinux_capable+0x40/0x40
[ 23.889336] ? __close_fd+0x222/0x360
[ 23.893109] do_group_exit+0x149/0x400
[ 23.896966] ? SyS_exit+0x30/0x30
[ 23.900386] ? trace_hardirqs_on_caller+0x421/0x5c0
[ 23.905370] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 23.910101] SyS_exit_group+0x1d/0x20
[ 23.913870] entry_SYSCALL_64_fastpath+0x1f/0x96
[ 23.918591] RIP: 0033:0x441c88
[ 23.921747] RSP: 002b:00007ffd8014d478 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 23.929441] RAX: ffffffffffffffda RBX: 000000002023f000 RCX: 0000000000441c88
[ 23.936677] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
[ 23.943923] RBP: 0000000000000000 R08: 00000000000000e7 R09: ffffffffffffffd0
[ 23.951160] R10: 0000000000000012 R11: 0000000000000246 R12: 0000000000000000
[ 23.958395] R13: 0000000020242e00 R14: 0000000000000004 R15: 000000002023f000
[ 23.965636] 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
[ 23.984706] RIP: native_write_cr4+0x4/0x10 RSP: ffff8801c91875a0
[ 23.990822] ---[ end trace c78fea4844b8f810 ]---
[ 23.995540] Kernel panic - not syncing: Fatal exception
[ 24.000901] Dumping ftrace buffer:
[ 24.004408] (ftrace buffer empty)
[ 24.008087] Kernel Offset: disabled
[ 24.011680] Rebooting in 86400 seconds..