[....] Starting enhanced syslogd: rsyslogd[ 11.033683] audit: type=1400 audit(1514320221.517:5): avc: denied { syslog } for pid=2998 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: [ 16.179545] audit: type=1400 audit(1514320226.663:6): avc: denied { map } for pid=3139 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-3,10.128.0.21' (ECDSA) to the list of known hosts. net.ipv6.conf.syz7.accept_dad = 0 net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz1.accept_dad = 0 net.ipv6.conf.syz3.accept_dad = 0 [ 27.614507] audit: type=1400 audit(1514320238.098:7): avc: denied { map } for pid=3155 comm="syzkaller969449" path="/root/syzkaller969449038" 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.syz4.accept_dad = 0 net.ipv6.conf.syz2.accept_dad = 0 net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz7.router_solicitations = 0 net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz6.accept_dad = 0 net.ipv6.conf.syz3.router_solicitations = 0 net.ipv6.conf.syz1.router_solicitations = 0 net.ipv6.conf.syz6.router_solicitations = 0 net.ipv6.conf.syz4.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 executing program [ 28.204786] 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 [ 28.330135] WARNING: CPU: 1 PID: 3364 at arch/x86/kvm/x86.c:7375 kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 28.339530] Kernel panic - not syncing: panic_on_warn set ... [ 28.339530] [ 28.346866] CPU: 1 PID: 3364 Comm: syzkaller969449 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 28.355412] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.364740] Call Trace: [ 28.367304] dump_stack+0x194/0x257 [ 28.370916] ? arch_local_irq_restore+0x53/0x53 [ 28.375567] ? vsnprintf+0x1ed/0x1900 executing program [ 28.379352] panic+0x1e4/0x41c [ 28.382521] ? refcount_error_report+0x214/0x214 [ 28.387250] ? show_regs_print_info+0x18/0x18 [ 28.391733] ? __warn+0x1c1/0x200 [ 28.395166] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 28.400162] __warn+0x1dc/0x200 [ 28.403505] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 28.408502] report_bug+0x211/0x2d0 [ 28.412116] fixup_bug.part.11+0x37/0x80 [ 28.416153] do_error_trap+0x2d7/0x3e0 [ 28.420017] ? trace_hardirqs_on+0xd/0x10 [ 28.424143] ? math_error+0x400/0x400 [ 28.427926] ? __lock_is_held+0xb6/0x140 [ 28.431981] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.436806] do_invalid_op+0x1b/0x20 [ 28.440495] invalid_op+0x22/0x40 [ 28.443920] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 28.449514] RSP: 0018:ffff8801c1e4f6b0 EFLAGS: 00010293 [ 28.454851] RAX: ffff8801c22a8540 RBX: ffff8801c186b000 RCX: ffffffff810df6b7 [ 28.462090] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c1a484a0 [ 28.469336] RBP: ffff8801c1e4fa40 R08: 1ffff10038349b2b R09: 0000000000000001 [ 28.476577] R10: ffff8801c1e4f690 R11: 0000000000000000 R12: 0000000000000000 [ 28.483820] R13: ffff8801c2466880 R14: ffff8801c1a48280 R15: ffff8801c1a48280 [ 28.491088] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 28.496095] ? mark_held_locks+0xaf/0x100 [ 28.500217] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 28.505295] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.510290] ? trace_hardirqs_on+0xd/0x10 [ 28.514593] ? free_object+0x150/0x230 [ 28.518456] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 28.523266] ? debug_stats_show+0xd0/0xd0 [ 28.527384] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 28.532468] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.537468] ? debug_object_free+0x2f1/0x5a0 [ 28.541844] ? lockdep_init_map+0x9/0x10 [ 28.545885] ? debug_object_destroy+0x2b0/0x2b0 [ 28.550549] ? __wait_rcu_gp+0x230/0x340 [ 28.554615] ? synchronize_sched.part.65+0xac/0x100 [ 28.559607] ? synchronize_sched_expedited+0xf0/0xf0 [ 28.564686] ? call_rcu_bh+0x20/0x20 [ 28.568376] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 28.574236] ? put_pid+0x183/0x1f0 [ 28.577751] ? task_active_pid_ns+0xd0/0xd0 [ 28.582048] ? __might_sleep+0x95/0x190 [ 28.586015] kvm_vcpu_ioctl+0x6f1/0xff0 [ 28.589963] ? kvm_vcpu_ioctl+0x6f1/0xff0 [ 28.594090] ? kvm_vcpu_fault+0x520/0x520 [ 28.598226] ? find_held_lock+0x35/0x1d0 [ 28.602275] ? __fget+0x333/0x570 [ 28.605711] ? lock_downgrade+0x980/0x980 [ 28.609839] ? lock_release+0xa40/0xa40 [ 28.613790] ? __lock_is_held+0xb6/0x140 [ 28.617848] ? __fget+0x35c/0x570 [ 28.621289] ? iterate_fd+0x3f0/0x3f0 [ 28.625057] ? up_read+0x40/0x40 [ 28.628572] ? down_read_killable+0x180/0x180 [ 28.633877] ? security_mmap_file+0x143/0x180 [ 28.638392] ? kvm_vcpu_fault+0x520/0x520 [ 28.642515] do_vfs_ioctl+0x1b1/0x1520 [ 28.646395] ? ioctl_preallocate+0x2b0/0x2b0 [ 28.650788] ? selinux_capable+0x40/0x40 [ 28.654833] ? SyS_futex+0x269/0x390 [ 28.658542] ? security_file_ioctl+0x89/0xb0 [ 28.662928] SyS_ioctl+0x8f/0xc0 [ 28.666277] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 28.671003] RIP: 0033:0x44a839 [ 28.674161] RSP: 002b:00007fb6a7b5fda8 EFLAGS: 00000297 ORIG_RAX: 0000000000000010 [ 28.681846] RAX: ffffffffffffffda RBX: 00000000006dcc54 RCX: 000000000044a839 [ 28.689085] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000f [ 28.696323] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 28.703562] R10: 0000000000000000 R11: 0000000000000297 R12: 00000000006dcc50 [ 28.710801] R13: 0030656c69662f2e R14: 6d766b2f7665642f R15: 000000000000000e [ 28.718256] Dumping ftrace buffer: [ 28.721827] (ftrace buffer empty) [ 28.725508] Kernel Offset: disabled [ 28.729112] Rebooting in 86400 seconds..