[....] Starting enhanced syslogd: rsyslogd[ 10.589634] audit: type=1400 audit(1514696625.603:5): avc: denied { syslog } for pid=3030 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: [ 12.897492] audit: type=1400 audit(1514696627.911:6): avc: denied { map } for pid=3170 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 '10.128.0.22' (ECDSA) to the list of known hosts. net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz1.accept_dad = 0 net.ipv6.conf.syz4.accept_dad = 0 net.ipv6.conf.syz7.accept_dad = 0 [ 46.784911] audit: type=1400 audit(1514696661.798:7): avc: denied { map } for pid=3189 comm="syzkaller339132" path="/root/syzkaller339132801" 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 net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz6.accept_dad = 0 net.ipv6.conf.syz2.accept_dad = 0 net.ipv6.conf.syz3.router_solicitations = 0 net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz1.router_solicitations = 0 net.ipv6.conf.syz7.router_solicitations = 0 net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz4.router_solicitations = 0 net.ipv6.conf.syz6.router_solicitations = 0 net.ipv6.conf.syz2.router_solicitations = 0 net.ipv6.conf.syz0.router_solicitations = 0 executing program executing program executing program executing program executing program executing program executing program executing program [ 47.346743] 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 [ 49.236766] WARNING: CPU: 0 PID: 3877 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 49.246174] Kernel panic - not syncing: panic_on_warn set ... [ 49.246174] [ 49.253524] CPU: 0 PID: 3877 Comm: syzkaller339132 Not tainted 4.15.0-rc5+ #243 [ 49.260953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.270290] Call Trace: [ 49.272868] dump_stack+0x194/0x257 [ 49.276489] ? arch_local_irq_restore+0x53/0x53 [ 49.281150] ? vsnprintf+0x1ed/0x1900 [ 49.284947] panic+0x1e4/0x41c [ 49.288127] ? refcount_error_report+0x214/0x214 [ 49.292871] ? show_regs_print_info+0x18/0x18 [ 49.297369] ? __warn+0x1c1/0x200 [ 49.300823] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 49.305827] __warn+0x1dc/0x200 [ 49.309096] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 49.314102] report_bug+0x211/0x2d0 [ 49.317727] fixup_bug.part.11+0x37/0x80 [ 49.321783] do_error_trap+0x2d7/0x3e0 [ 49.325657] ? trace_hardirqs_on+0xd/0x10 [ 49.329798] ? math_error+0x400/0x400 [ 49.333588] ? __lock_is_held+0xb6/0x140 [ 49.337652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.342492] do_invalid_op+0x1b/0x20 [ 49.346191] invalid_op+0x22/0x40 [ 49.349630] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 49.355231] RSP: 0018:ffff8801c581f6b0 EFLAGS: 00010293 [ 49.360582] RAX: ffff8801c5aac480 RBX: ffff8801c6bc6000 RCX: ffffffff810df1cf [ 49.367834] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c5f90220 [ 49.375087] RBP: ffff8801c581fa40 R08: 1ffff10038b03eb8 R09: 0000000000000001 [ 49.382341] R10: ffff8801c581fa58 R11: 0000000000000000 R12: 0000000000000000 [ 49.389596] R13: 1ffff10038b03f72 R14: ffff8801d8adb880 R15: ffff8801c5f90000 [ 49.396873] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 49.401893] ? mark_held_locks+0xaf/0x100 [ 49.406029] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 49.411122] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.416129] ? trace_hardirqs_on+0xd/0x10 [ 49.420269] ? free_object+0x150/0x230 [ 49.424145] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 49.428985] ? debug_stats_show+0xd0/0xd0 [ 49.433117] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 49.438207] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 49.443221] ? debug_object_free+0x2f1/0x5a0 [ 49.447610] ? lockdep_init_map+0x9/0x10 [ 49.451660] ? debug_object_destroy+0x2b0/0x2b0 [ 49.456334] ? __wait_rcu_gp+0x230/0x340 [ 49.460398] ? synchronize_sched.part.64+0xac/0x100 [ 49.465403] ? synchronize_sched_expedited+0xf0/0xf0 [ 49.470490] ? call_rcu_bh+0x20/0x20 [ 49.474193] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 49.480069] ? put_pid+0x183/0x1f0 [ 49.483597] ? task_active_pid_ns+0xd0/0xd0 [ 49.487909] ? __might_sleep+0x95/0x190 [ 49.491877] kvm_vcpu_ioctl+0x64c/0x1010 [ 49.495924] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 49.500153] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 49.506039] ? find_held_lock+0x35/0x1d0 [ 49.510101] ? __fget+0x333/0x570 [ 49.513540] ? lock_downgrade+0x980/0x980 [ 49.517679] ? lock_release+0xa40/0xa40 [ 49.521646] ? __lock_is_held+0xb6/0x140 [ 49.525721] ? __fget+0x35c/0x570 [ 49.529176] ? iterate_fd+0x3f0/0x3f0 [ 49.532962] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 49.537714] ? retint_kernel+0x10/0x10 [ 49.541600] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 49.547472] do_vfs_ioctl+0x1b1/0x1520 [ 49.551358] ? ioctl_preallocate+0x2b0/0x2b0 [ 49.555757] ? selinux_capable+0x40/0x40 [ 49.559819] ? SyS_futex+0x269/0x390 [ 49.563538] ? security_file_ioctl+0x89/0xb0 [ 49.567948] SyS_ioctl+0x8f/0xc0 [ 49.571310] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 49.576044] RIP: 0033:0x44a8e9 [ 49.579214] RSP: 002b:00007f463d187ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000010 [ 49.586914] RAX: ffffffffffffffda RBX: 00000000006dcc3c RCX: 000000000044a8e9 [ 49.594166] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 [ 49.601418] RBP: 00000000006dcc38 R08: 0000000000000000 R09: 0000000000000000 [ 49.608671] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 49.615927] R13: 00007ffed6db40df R14: 00007f463d1889c0 R15: 0000000000000009 [ 49.623862] Dumping ftrace buffer: [ 49.627460] (ftrace buffer empty) [ 49.631137] Kernel Offset: disabled [ 49.634731] Rebooting in 86400 seconds..