[....] Starting enhanced syslogd: rsyslogd[ 12.078914] audit: type=1400 audit(1514052414.838:5): avc: denied { syslog } for pid=2997 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 periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] 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: [ 17.207508] audit: type=1400 audit(1514052419.967:6): 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-386-0,10.128.0.56' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 23.481346] audit: type=1400 audit(1514052426.241:7): avc: denied { map } for pid=3148 comm="syzkaller970055" path="/root/syzkaller970055800" 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 [ 23.517248] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 51.268167] WARNING: CPU: 0 PID: 10427 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 51.277709] Kernel panic - not syncing: panic_on_warn set ... [ 51.277709] [ 51.285049] CPU: 0 PID: 10427 Comm: syzkaller970055 Not tainted 4.15.0-rc4+ #145 [ 51.292549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.301871] Call Trace: [ 51.304432] dump_stack+0x194/0x257 [ 51.308033] ? arch_local_irq_restore+0x53/0x53 [ 51.312676] ? vsnprintf+0x1ed/0x1900 [ 51.316448] panic+0x1e4/0x41c [ 51.319607] ? refcount_error_report+0x214/0x214 [ 51.324330] ? show_regs_print_info+0x18/0x18 [ 51.328803] ? __warn+0x1c1/0x200 [ 51.332232] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 51.337213] __warn+0x1dc/0x200 [ 51.340461] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 51.345447] report_bug+0x211/0x2d0 [ 51.349054] fixup_bug.part.11+0x37/0x80 [ 51.353084] do_error_trap+0x2d7/0x3e0 [ 51.356938] ? check_noncircular+0x20/0x20 [ 51.361138] ? trace_hardirqs_on+0xd/0x10 [ 51.365255] ? math_error+0x400/0x400 [ 51.369026] ? __lock_is_held+0xb6/0x140 [ 51.373067] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.377884] do_invalid_op+0x1b/0x20 [ 51.381566] invalid_op+0x22/0x40 [ 51.384992] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 51.390581] RSP: 0018:ffff8801d329f580 EFLAGS: 00010293 [ 51.395913] RAX: ffff8801c191a5c0 RBX: ffff8801cb593000 RCX: ffffffff810deddf [ 51.403149] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801ccb40720 [ 51.410385] RBP: ffff8801d329f910 R08: 1ffff1003a653e93 R09: 0000000000000001 [ 51.417621] R10: ffff8801d329f930 R11: 0000000000000000 R12: 0000000000000000 [ 51.424857] R13: 1ffff1003a653f4d R14: ffff8801bbd37c00 R15: ffff8801ccb40500 [ 51.432108] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 51.437104] ? mark_held_locks+0xaf/0x100 [ 51.441221] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.446298] ? trace_hardirqs_on+0xd/0x10 [ 51.450419] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 51.455231] ? debug_stats_show+0xd0/0xd0 [ 51.459344] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 51.464415] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 51.469407] ? debug_object_free+0x2f1/0x5a0 [ 51.473780] ? lockdep_init_map+0x9/0x10 [ 51.477813] ? debug_object_destroy+0x2b0/0x2b0 [ 51.482463] ? __wait_rcu_gp+0x230/0x340 [ 51.486503] ? synchronize_sched.part.64+0xac/0x100 [ 51.491490] ? synchronize_sched_expedited+0xf0/0xf0 [ 51.496559] ? call_rcu_bh+0x20/0x20 [ 51.500244] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.506102] ? put_pid+0x183/0x1f0 [ 51.509610] ? task_active_pid_ns+0xd0/0xd0 [ 51.513900] ? __might_sleep+0x95/0x190 [ 51.517850] kvm_vcpu_ioctl+0x64c/0x1010 [ 51.521879] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 51.526087] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 51.531942] ? __fget+0x333/0x570 [ 51.535365] ? lock_downgrade+0x980/0x980 [ 51.539488] ? lock_release+0xa40/0xa40 [ 51.543433] ? __lock_is_held+0xb6/0x140 [ 51.547477] ? __fget+0x35c/0x570 [ 51.550907] ? iterate_fd+0x3f0/0x3f0 [ 51.554672] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 51.560527] ? rcu_note_context_switch+0x710/0x710 [ 51.565428] ? __might_sleep+0x95/0x190 [ 51.569380] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 51.574285] ? selinux_file_ioctl+0x444/0x690 [ 51.578750] ? __fget_light+0x297/0x380 [ 51.582697] kvm_vcpu_compat_ioctl+0x364/0x450 [ 51.587257] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 51.591550] ? compat_SyS_futex+0x288/0x380 [ 51.595844] ? security_file_ioctl+0x7d/0xb0 [ 51.600217] ? security_file_ioctl+0x89/0xb0 [ 51.604602] compat_SyS_ioctl+0x151/0x2a30 [ 51.608804] ? lock_downgrade+0x980/0x980 [ 51.612918] ? do_fast_syscall_32+0x156/0xf9d [ 51.617382] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 51.621674] ? do_ioctl+0x60/0x60 [ 51.625095] do_fast_syscall_32+0x3ee/0xf9d [ 51.629384] ? do_raw_spin_trylock+0x190/0x190 [ 51.633943] ? do_int80_syscall_32+0x9d0/0x9d0 [ 51.638502] ? syscall_return_slowpath+0x2ad/0x550 [ 51.643398] ? prepare_exit_to_usermode+0x340/0x340 [ 51.648385] ? sysret32_from_system_call+0x5/0x3b [ 51.653200] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.658025] entry_SYSENTER_compat+0x54/0x63 [ 51.662400] RIP: 0023:0xf7f27c79 [ 51.665728] RSP: 002b:00000000f7f011fc EFLAGS: 00000297 ORIG_RAX: 0000000000000036 [ 51.673406] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000000ae80 [ 51.680644] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 51.687881] RBP: 00000000003d0f00 R08: 0000000000000000 R09: 0000000000000000 [ 51.695118] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 51.702354] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.710226] Dumping ftrace buffer: [ 51.713799] (ftrace buffer empty) [ 51.717475] Kernel Offset: disabled [ 51.721068] Rebooting in 86400 seconds..