[....] Starting enhanced syslogd: rsyslogd[ 11.471134] audit: type=1400 audit(1514118562.598:5): avc: denied { syslog } for pid=2993 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: [ 17.674154] audit: type=1400 audit(1514118568.801:6): avc: denied { map } for pid=3133 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-386-4,10.128.0.37' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 104.590831] audit: type=1400 audit(1514118655.718:7): avc: denied { map } for pid=3150 comm="syzkaller333300" path="/root/syzkaller333300483" 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 [ 104.633376] 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 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 168.764320] WARNING: CPU: 0 PID: 17563 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 168.773886] Kernel panic - not syncing: panic_on_warn set ... [ 168.773886] [ 168.781239] CPU: 0 PID: 17563 Comm: syzkaller333300 Not tainted 4.15.0-rc5+ #147 [ 168.788756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 168.798094] Call Trace: [ 168.800759] dump_stack+0x194/0x257 [ 168.804381] ? arch_local_irq_restore+0x53/0x53 [ 168.809045] ? vsnprintf+0x1ed/0x1900 [ 168.812842] panic+0x1e4/0x41c [ 168.816029] ? refcount_error_report+0x214/0x214 [ 168.820772] ? show_regs_print_info+0x18/0x18 [ 168.825268] ? __warn+0x1c1/0x200 [ 168.828845] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 168.833852] __warn+0x1dc/0x200 [ 168.837123] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 168.842269] report_bug+0x211/0x2d0 [ 168.845898] fixup_bug.part.11+0x37/0x80 [ 168.849956] do_error_trap+0x2d7/0x3e0 [ 168.853837] ? check_noncircular+0x20/0x20 [ 168.858062] ? trace_hardirqs_on+0xd/0x10 [ 168.862204] ? math_error+0x400/0x400 [ 168.865995] ? __lock_is_held+0xb6/0x140 [ 168.870058] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 168.874899] do_invalid_op+0x1b/0x20 [ 168.878605] invalid_op+0x22/0x40 [ 168.882046] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 168.887652] RSP: 0018:ffff8801c28df580 EFLAGS: 00010293 [ 168.893005] RAX: ffff8801c78406c0 RBX: ffff8801d49a5000 RCX: ffffffff810deeef [ 168.900265] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c3651520 [ 168.907519] RBP: ffff8801c28df910 R08: 1ffff1003851be93 R09: 0000000000000001 [ 168.914777] R10: ffff8801c28df930 R11: 0000000000000000 R12: 0000000000000000 [ 168.922042] R13: 1ffff1003851bf4d R14: ffff8801d9fee900 R15: ffff8801c3651300 [ 168.929329] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 168.934356] ? mark_held_locks+0xaf/0x100 [ 168.938499] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 168.943601] ? trace_hardirqs_on+0xd/0x10 [ 168.947747] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 168.952579] ? debug_stats_show+0xd0/0xd0 [ 168.956717] ? _raw_spin_unlock_irqrestore+0x31/0xba executing program [ 168.961813] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 168.966827] ? debug_object_free+0x2f1/0x5a0 [ 168.971224] ? lockdep_init_map+0x9/0x10 [ 168.975282] ? debug_object_destroy+0x2b0/0x2b0 [ 168.979959] ? __wait_rcu_gp+0x230/0x340 [ 168.984026] ? synchronize_sched.part.64+0xac/0x100 [ 168.989036] ? synchronize_sched_expedited+0xf0/0xf0 [ 168.994126] ? call_rcu_bh+0x20/0x20 [ 168.997840] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 169.003722] ? put_pid+0x183/0x1f0 [ 169.007254] ? task_active_pid_ns+0xd0/0xd0 [ 169.011569] ? __might_sleep+0x95/0x190 executing program [ 169.015653] kvm_vcpu_ioctl+0x64c/0x1010 [ 169.019707] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 169.023939] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 169.029822] ? __fget+0x333/0x570 [ 169.033274] ? lock_downgrade+0x980/0x980 [ 169.037415] ? lock_release+0xa40/0xa40 [ 169.041382] ? __lock_is_held+0xb6/0x140 [ 169.045452] ? __fget+0x35c/0x570 [ 169.048920] ? iterate_fd+0x3f0/0x3f0 [ 169.052724] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 169.057480] ? retint_kernel+0x10/0x10 [ 169.061382] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 169.066302] ? selinux_file_ioctl+0x444/0x690 [ 169.070787] ? __fget_light+0x297/0x380 [ 169.074763] kvm_vcpu_compat_ioctl+0x364/0x450 [ 169.079340] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 169.083658] ? compat_SyS_futex+0x288/0x380 [ 169.087982] ? security_file_ioctl+0x7d/0xb0 [ 169.092383] ? security_file_ioctl+0x89/0xb0 [ 169.096793] compat_SyS_ioctl+0x151/0x2a30 [ 169.101020] ? do_fast_syscall_32+0x156/0xf9d [ 169.105506] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 169.109822] ? do_ioctl+0x60/0x60 executing program [ 169.113270] do_fast_syscall_32+0x3ee/0xf9d [ 169.117582] ? do_raw_spin_trylock+0x190/0x190 [ 169.122172] ? do_int80_syscall_32+0x9d0/0x9d0 [ 169.126789] ? syscall_return_slowpath+0x2ad/0x550 [ 169.131709] ? prepare_exit_to_usermode+0x340/0x340 [ 169.136723] ? sysret32_from_system_call+0x5/0x3b [ 169.143526] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 169.148379] entry_SYSENTER_compat+0x54/0x63 [ 169.152778] RIP: 0023:0xf7f1dc79 [ 169.156128] RSP: 002b:00000000f7ef71fc EFLAGS: 00000297 ORIG_RAX: 0000000000000036 executing program [ 169.163831] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000000ae80 [ 169.171089] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 169.178371] RBP: 00000000003d0f00 R08: 0000000000000000 R09: 0000000000000000 [ 169.185632] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 169.192898] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 169.200937] Dumping ftrace buffer: [ 169.204535] (ftrace buffer empty) [ 169.208212] Kernel Offset: disabled [ 169.211810] Rebooting in 86400 seconds..