[....] Starting enhanced syslogd: rsyslogd[ 12.311664] audit: type=1400 audit(1515452973.451:5): avc: denied { syslog } for pid=3345 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 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: [ 16.980694] audit: type=1400 audit(1515452978.120:6): avc: denied { map } for pid=3484 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 '10.128.0.2' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 93.611157] audit: type=1400 audit(1515453054.750:7): avc: denied { map } for pid=3502 comm="syzkaller033814" path="/root/syzkaller033814698" 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 executing program executing program executing program executing program executing program executing program executing program executing program [ 93.654375] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 122.479099] WARNING: CPU: 0 PID: 9935 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 122.488629] Kernel panic - not syncing: panic_on_warn set ... [ 122.488629] [ 122.495967] CPU: 0 PID: 9935 Comm: syzkaller033814 Not tainted 4.15.0-rc7+ #162 [ 122.503381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.512704] Call Trace: [ 122.515266] dump_stack+0x194/0x257 [ 122.518868] ? arch_local_irq_restore+0x53/0x53 [ 122.523512] ? vsnprintf+0x1ed/0x1900 [ 122.527287] panic+0x1e4/0x41c [ 122.530451] ? refcount_error_report+0x214/0x214 [ 122.535178] ? show_regs_print_info+0x18/0x18 [ 122.539650] ? __warn+0x1c1/0x200 [ 122.543086] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 122.548069] __warn+0x1dc/0x200 [ 122.551319] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 122.556308] report_bug+0x211/0x2d0 [ 122.559914] fixup_bug.part.11+0x37/0x80 [ 122.563946] do_error_trap+0x2d7/0x3e0 [ 122.567804] ? check_noncircular+0x20/0x20 [ 122.572012] ? trace_hardirqs_on+0xd/0x10 [ 122.576134] ? math_error+0x400/0x400 [ 122.579906] ? __lock_is_held+0xb6/0x140 [ 122.583948] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 122.588765] do_invalid_op+0x1b/0x20 [ 122.592449] invalid_op+0x22/0x40 [ 122.595871] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 122.601461] RSP: 0018:ffff8801bf06f580 EFLAGS: 00010293 [ 122.606795] RAX: ffff8801c1844640 RBX: ffff8801c61f2000 RCX: ffffffff810df29f [ 122.614034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c0d48aa0 [ 122.621275] RBP: ffff8801bf06f910 R08: 1ffff10037e0de93 R09: 0000000000000001 [ 122.628515] R10: ffff8801bf06f930 R11: 0000000000000000 R12: 0000000000000000 [ 122.635756] R13: 1ffff10037e0df4d R14: ffff8801d5a75480 R15: ffff8801c0d48880 [ 122.643023] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 122.648027] ? mark_held_locks+0xaf/0x100 [ 122.652176] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 122.657256] ? trace_hardirqs_on+0xd/0x10 [ 122.661377] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 122.666191] ? debug_stats_show+0xd0/0xd0 [ 122.670306] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 122.675383] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 122.680376] ? debug_object_free+0x2f1/0x5a0 [ 122.684753] ? lockdep_init_map+0x9/0x10 [ 122.688786] ? debug_object_destroy+0x2b0/0x2b0 [ 122.693451] ? __wait_rcu_gp+0x230/0x340 [ 122.697498] ? synchronize_sched.part.64+0xac/0x100 [ 122.702486] ? synchronize_sched_expedited+0xf0/0xf0 [ 122.707558] ? call_rcu_bh+0x20/0x20 [ 122.711249] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 122.717106] ? put_pid+0x183/0x1f0 [ 122.720621] ? task_active_pid_ns+0xd0/0xd0 [ 122.724916] ? __might_sleep+0x95/0x190 [ 122.728865] kvm_vcpu_ioctl+0x64c/0x1010 [ 122.732896] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 122.737106] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 122.742963] ? __fget+0x333/0x570 [ 122.746388] ? lock_downgrade+0x980/0x980 [ 122.750513] ? lock_release+0xa40/0xa40 [ 122.754463] ? __lock_is_held+0xb6/0x140 [ 122.758506] ? __fget+0x35c/0x570 [ 122.761938] ? iterate_fd+0x3f0/0x3f0 [ 122.765712] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 122.770448] ? retint_kernel+0x10/0x10 [ 122.774314] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 122.779214] ? selinux_file_ioctl+0x444/0x690 [ 122.783680] ? __fget_light+0x297/0x380 [ 122.787631] kvm_vcpu_compat_ioctl+0x364/0x450 [ 122.792186] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 122.796481] ? compat_SyS_futex+0x288/0x380 [ 122.800866] ? security_file_ioctl+0x7d/0xb0 [ 122.805244] ? security_file_ioctl+0x89/0xb0 [ 122.809632] compat_SyS_ioctl+0x151/0x2a30 [ 122.813838] ? do_fast_syscall_32+0x156/0xf9d [ 122.818301] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 122.822595] ? do_ioctl+0x60/0x60 [ 122.826021] do_fast_syscall_32+0x3ee/0xf9d [ 122.830321] ? do_int80_syscall_32+0x9d0/0x9d0 [ 122.834882] ? syscall_return_slowpath+0x2ad/0x550 [ 122.839781] ? prepare_exit_to_usermode+0x340/0x340 [ 122.844771] ? sysret32_from_system_call+0x5/0x3b [ 122.849591] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 122.854421] entry_SYSENTER_compat+0x54/0x63 [ 122.858799] RIP: 0023:0xf7fbec79 [ 122.862131] RSP: 002b:00000000f7f991fc EFLAGS: 00000297 ORIG_RAX: 0000000000000036 [ 122.869816] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000000ae80 [ 122.877056] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 122.884295] RBP: 00000000003d0f00 R08: 0000000000000000 R09: 0000000000000000 [ 122.891545] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 122.898785] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 122.906717] Dumping ftrace buffer: [ 122.910308] (ftrace buffer empty) [ 122.913986] Kernel Offset: disabled [ 122.917588] Rebooting in 86400 seconds..