[....] Starting enhanced syslogd: rsyslogd[ 12.956974] audit: type=1400 audit(1515214073.275:5): avc: denied { syslog } for pid=3340 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 mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 19.067455] audit: type=1400 audit(1515214079.386:6): avc: denied { map } for pid=3479 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 '10.128.0.5' (ECDSA) to the list of known hosts. [ 137.065941] audit: type=1400 audit(1515214197.384:7): avc: denied { map } for pid=3496 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 2018/01/06 04:49:57 parsed 1 programs 2018/01/06 04:49:57 executed programs: 0 [ 137.201071] audit: type=1400 audit(1515214197.517:8): avc: denied { map } for pid=3496 comm="syz-execprog" path="/root/syzkaller-shm704817149" 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 [ 137.385804] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu 2018/01/06 04:50:02 executed programs: 162 2018/01/06 04:50:07 executed programs: 339 2018/01/06 04:50:12 executed programs: 517 2018/01/06 04:50:17 executed programs: 692 2018/01/06 04:50:22 executed programs: 871 2018/01/06 04:50:27 executed programs: 1046 2018/01/06 04:50:32 executed programs: 1220 2018/01/06 04:50:37 executed programs: 1392 2018/01/06 04:50:42 executed programs: 1568 2018/01/06 04:50:47 executed programs: 1739 [ 192.212128] WARNING: CPU: 0 PID: 11443 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 192.221630] Kernel panic - not syncing: panic_on_warn set ... [ 192.221630] [ 192.229080] CPU: 0 PID: 11443 Comm: syz-executor7 Not tainted 4.15.0-rc6+ #249 [ 192.236408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 192.245732] Call Trace: [ 192.248297] dump_stack+0x194/0x257 [ 192.251915] ? arch_local_irq_restore+0x53/0x53 [ 192.256561] ? vsnprintf+0x1ed/0x1900 [ 192.260336] panic+0x1e4/0x41c [ 192.263498] ? refcount_error_report+0x214/0x214 [ 192.268223] ? show_regs_print_info+0x18/0x18 [ 192.272695] ? __warn+0x1c1/0x200 [ 192.276124] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 192.281107] __warn+0x1dc/0x200 [ 192.284358] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 192.289356] report_bug+0x211/0x2d0 [ 192.292961] fixup_bug.part.11+0x37/0x80 [ 192.296992] do_error_trap+0x2d7/0x3e0 [ 192.300856] ? math_error+0x400/0x400 [ 192.304633] ? __lock_is_held+0xb6/0x140 [ 192.308674] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 192.313493] do_invalid_op+0x1b/0x20 [ 192.317176] invalid_op+0x22/0x40 [ 192.320610] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 192.326207] RSP: 0018:ffff8801bd11f6b0 EFLAGS: 00010293 [ 192.331540] RAX: ffff8801bfaec000 RBX: ffff8801c4e7d000 RCX: ffffffff810df29f [ 192.338778] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801bd6588e0 [ 192.346022] RBP: ffff8801bd11fa40 R08: 1ffff10037a23eff R09: 0000000000000001 [ 192.353269] R10: ffff8801bd11fa58 R11: 0000000000000000 R12: 0000000000000000 [ 192.360512] R13: 1ffff10037a23f72 R14: ffff8801bee52900 R15: ffff8801bd6586c0 [ 192.367770] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 192.372767] ? depot_save_stack+0x12c/0x490 [ 192.377064] ? put_pid+0x176/0x1f0 [ 192.380577] ? save_stack+0xa3/0xd0 [ 192.384173] ? save_stack+0x43/0xd0 [ 192.387768] ? kasan_slab_free+0x71/0xc0 [ 192.391795] ? kmem_cache_free+0x83/0x2a0 [ 192.395928] ? kvm_vcpu_ioctl+0xd75/0x1010 [ 192.400133] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 192.404946] ? debug_check_no_obj_freed+0x611/0xf1f [ 192.409933] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 192.414921] ? check_noncircular+0x20/0x20 [ 192.419125] ? print_irqtrace_events+0x270/0x270 [ 192.423852] ? free_obj_work+0x690/0x690 [ 192.427898] ? refcount_sub_and_test+0x115/0x1b0 [ 192.432629] ? refcount_inc+0x50/0x50 [ 192.436403] ? put_pid+0x176/0x1f0 [ 192.439920] ? refcount_dec_and_test+0x1a/0x20 [ 192.444474] ? put_pid_ns+0xa6/0xc0 [ 192.448072] ? put_pid+0x183/0x1f0 [ 192.451582] ? task_active_pid_ns+0xd0/0xd0 [ 192.455874] ? __might_sleep+0x95/0x190 [ 192.459833] kvm_vcpu_ioctl+0x64c/0x1010 [ 192.463864] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 192.468070] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 192.473932] ? find_held_lock+0x35/0x1d0 [ 192.477971] ? __fget+0x333/0x570 [ 192.481396] ? lock_downgrade+0x980/0x980 [ 192.485519] ? lock_release+0xa40/0xa40 [ 192.489465] ? __lock_is_held+0xb6/0x140 [ 192.493510] ? __fget+0x35c/0x570 [ 192.496943] ? iterate_fd+0x3f0/0x3f0 [ 192.500730] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 192.506583] do_vfs_ioctl+0x1b1/0x1520 [ 192.510447] ? ioctl_preallocate+0x2b0/0x2b0 [ 192.515437] ? selinux_capable+0x40/0x40 [ 192.519476] ? SyS_futex+0x269/0x390 [ 192.523172] ? security_file_ioctl+0x89/0xb0 [ 192.527557] SyS_ioctl+0x8f/0xc0 [ 192.530901] entry_SYSCALL_64_fastpath+0x23/0x9a [ 192.535627] RIP: 0033:0x452ac9 [ 192.538786] RSP: 002b:00007f3be4685c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 192.546465] RAX: ffffffffffffffda RBX: 000000000071c0c8 RCX: 0000000000452ac9 [ 192.553703] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000007 [ 192.560941] RBP: 00000000000001fb R08: 0000000000000000 R09: 0000000000000000 [ 192.568180] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f1028 [ 192.575428] R13: 00000000ffffffff R14: 00007f3be46866d4 R15: 0000000000000002 [ 192.582922] Dumping ftrace buffer: [ 192.586511] (ftrace buffer empty) [ 192.590199] Kernel Offset: disabled [ 192.593797] Rebooting in 86400 seconds..