[....] Starting enhanced syslogd: rsyslogd[ 10.968857] audit: type=1400 audit(1514193716.923:5): avc: denied { syslog } for pid=2991 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: [ 18.085098] audit: type=1400 audit(1514193724.039:6): avc: denied { map } for pid=3132 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-mmots-kasan-gce-3,10.128.15.202' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 153.824990] audit: type=1400 audit(1514193859.779:7): avc: denied { map } for pid=3149 comm="syzkaller941202" path="/root/syzkaller941202898" 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 executing program executing program executing program executing program executing program executing program executing program [ 153.867327] 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 [ 154.143175] WARNING: CPU: 1 PID: 3181 at arch/x86/kvm/x86.c:7377 kvm_arch_vcpu_ioctl_run+0x1cf/0x5cb0 [ 154.152593] Kernel panic - not syncing: panic_on_warn set ... [ 154.152593] [ 154.159926] CPU: 1 PID: 3181 Comm: syzkaller941202 Not tainted 4.15.0-rc4-mm1+ #49 [ 154.167600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 154.176925] Call Trace: [ 154.179488] dump_stack+0x194/0x257 [ 154.183088] ? arch_local_irq_restore+0x53/0x53 [ 154.187732] ? vsnprintf+0x1ed/0x1900 executing program executing program executing program [ 154.191512] panic+0x1e4/0x41c [ 154.194676] ? refcount_error_report+0x214/0x214 [ 154.199399] ? show_regs_print_info+0x18/0x18 [ 154.203870] ? __warn+0x1c1/0x200 [ 154.207297] ? kvm_arch_vcpu_ioctl_run+0x1cf/0x5cb0 [ 154.212281] __warn+0x1dc/0x200 [ 154.215532] ? kvm_arch_vcpu_ioctl_run+0x1cf/0x5cb0 [ 154.220521] report_bug+0x211/0x2d0 [ 154.224124] fixup_bug.part.11+0x37/0x80 [ 154.228169] do_error_trap+0x2d7/0x3e0 [ 154.232028] ? trace_hardirqs_on+0xd/0x10 [ 154.236149] ? math_error+0x400/0x400 executing program executing program [ 154.239923] ? __lock_is_held+0xb6/0x140 [ 154.243967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 154.248801] do_invalid_op+0x1b/0x20 [ 154.252486] invalid_op+0x22/0x40 [ 154.255909] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1cf/0x5cb0 [ 154.261498] RSP: 0000:ffff8801c76df6b0 EFLAGS: 00010293 [ 154.266831] RAX: ffff8801c703a540 RBX: ffff8801c5d48000 RCX: ffffffff810df6bf [ 154.274069] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c63c10a0 [ 154.281308] RBP: ffff8801c76dfa40 R08: 1ffff10038c78cab R09: 0000000000000001 [ 154.288547] R10: ffff8801c76df690 R11: 0000000000000000 R12: 0000000000000000 [ 154.295787] R13: ffff8801d7af5280 R14: ffff8801c63c0e80 R15: ffff8801c63c0e80 [ 154.303039] ? kvm_arch_vcpu_ioctl_run+0x1cf/0x5cb0 [ 154.308033] ? mark_held_locks+0xaf/0x100 [ 154.312151] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 154.317224] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 154.322226] ? trace_hardirqs_on+0xd/0x10 [ 154.326347] ? free_object+0x150/0x230 [ 154.330206] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 154.335105] ? debug_stats_show+0xd0/0xd0 [ 154.339223] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 154.344297] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 154.349288] ? debug_object_free+0x2f1/0x5a0 [ 154.353666] ? lockdep_init_map+0x9/0x10 [ 154.357698] ? debug_object_destroy+0x2b0/0x2b0 [ 154.362345] ? __wait_rcu_gp+0x230/0x340 [ 154.366386] ? synchronize_sched.part.65+0xac/0x100 [ 154.371373] ? synchronize_sched_expedited+0xf0/0xf0 [ 154.376442] ? call_rcu_bh+0x20/0x20 [ 154.380128] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 154.385988] ? put_pid+0x183/0x1f0 [ 154.389497] ? task_active_pid_ns+0xd0/0xd0 [ 154.393791] ? __might_sleep+0x95/0x190 [ 154.397744] kvm_vcpu_ioctl+0x6f1/0xff0 [ 154.401686] ? kvm_vcpu_ioctl+0x6f1/0xff0 [ 154.405952] ? kvm_vcpu_fault+0x520/0x520 [ 154.410085] ? find_held_lock+0x35/0x1d0 [ 154.414122] ? __fget+0x333/0x570 [ 154.417545] ? lock_downgrade+0x980/0x980 [ 154.421665] ? lock_release+0xa40/0xa40 [ 154.425614] ? __lock_is_held+0xb6/0x140 [ 154.429654] ? __fget+0x35c/0x570 [ 154.433083] ? iterate_fd+0x3f0/0x3f0 [ 154.436854] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 154.441587] ? retint_kernel+0x10/0x10 [ 154.445446] ? kvm_vcpu_fault+0x520/0x520 [ 154.449570] do_vfs_ioctl+0x1b1/0x1520 [ 154.453436] ? ioctl_preallocate+0x2b0/0x2b0 [ 154.457823] ? selinux_capable+0x40/0x40 [ 154.461862] ? SyS_futex+0x269/0x390 [ 154.465558] ? security_file_ioctl+0x89/0xb0 [ 154.469939] SyS_ioctl+0x8f/0xc0 [ 154.473280] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 154.478006] RIP: 0033:0x445c79 [ 154.481164] RSP: 002b:00007f810f5a8ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000010 [ 154.488842] RAX: ffffffffffffffda RBX: 00007f810f5a9700 RCX: 0000000000445c79 [ 154.496081] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000001c [ 154.503318] RBP: 00007ffc301f4f60 R08: 0000000000000000 R09: 0000000000000000 [ 154.510558] R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 [ 154.517806] R13: 00007ffc301f4ebf R14: 00007f810f5a99c0 R15: 0000000000000009 [ 154.525293] Dumping ftrace buffer: [ 154.528890] (ftrace buffer empty) [ 154.532571] Kernel Offset: disabled [ 154.536169] Rebooting in 86400 seconds..