[....] Starting enhanced syslogd: rsyslogd[ 10.987265] audit: type=1400 audit(1514712420.131:5): avc: denied { syslog } for pid=2988 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: [ 15.438327] audit: type=1400 audit(1514712424.583:6): avc: denied { map } for pid=3129 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 '10.128.15.198' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 21.614833] audit: type=1400 audit(1514712430.759:7): avc: denied { map } for pid=3143 comm="syzkaller296760" path="/root/syzkaller296760849" 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 [ 21.668784] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu executing program executing program executing program executing program executing program [ 21.879398] WARNING: CPU: 0 PID: 3208 at arch/x86/kvm/x86.c:7375 kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 21.888820] Kernel panic - not syncing: panic_on_warn set ... [ 21.888820] [ 21.896162] CPU: 0 PID: 3208 Comm: syzkaller296760 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 21.904705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 21.914026] Call Trace: [ 21.916584] dump_stack+0x194/0x257 [ 21.920186] ? arch_local_irq_restore+0x53/0x53 [ 21.924856] ? vsnprintf+0x1ed/0x1900 [ 21.928630] panic+0x1e4/0x41c [ 21.931792] ? refcount_error_report+0x214/0x214 [ 21.936516] ? show_regs_print_info+0x18/0x18 [ 21.940988] ? __warn+0x1c1/0x200 [ 21.944418] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 21.949410] __warn+0x1dc/0x200 [ 21.952665] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 21.957653] report_bug+0x211/0x2d0 [ 21.961260] fixup_bug.part.11+0x37/0x80 [ 21.965290] do_error_trap+0x2d7/0x3e0 [ 21.969149] ? trace_hardirqs_on+0xd/0x10 [ 21.973273] ? math_error+0x400/0x400 [ 21.977044] ? __lock_is_held+0xb6/0x140 [ 21.981086] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 21.985904] do_invalid_op+0x1b/0x20 [ 21.989588] invalid_op+0x22/0x40 [ 21.993014] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 21.998604] RSP: 0018:ffff8801c6fcf6b0 EFLAGS: 00010293 [ 22.003939] RAX: ffff8801c6fb2540 RBX: ffff8801c813a000 RCX: ffffffff810df6b7 [ 22.011180] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c6ca07e0 [ 22.018419] RBP: ffff8801c6fcfa40 R08: 1ffff10038d94b93 R09: 0000000000000001 [ 22.025657] R10: ffff8801c6fcf690 R11: 0000000000000000 R12: 0000000000000000 [ 22.032899] R13: ffff8801d917e900 R14: ffff8801c6ca05c0 R15: ffff8801c6ca05c0 [ 22.040149] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 22.045145] ? mark_held_locks+0xaf/0x100 [ 22.049265] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 22.054338] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 22.059326] ? trace_hardirqs_on+0xd/0x10 [ 22.063458] ? free_object+0x150/0x230 [ 22.067318] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 22.072127] ? debug_stats_show+0xd0/0xd0 [ 22.076242] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 22.081316] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 22.086309] ? debug_object_free+0x2f1/0x5a0 [ 22.090684] ? lockdep_init_map+0x9/0x10 [ 22.094715] ? debug_object_destroy+0x2b0/0x2b0 [ 22.099366] ? __wait_rcu_gp+0x230/0x340 [ 22.103410] ? synchronize_sched.part.65+0xac/0x100 [ 22.108396] ? synchronize_sched_expedited+0xf0/0xf0 [ 22.113465] ? call_rcu_bh+0x20/0x20 [ 22.117681] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 22.123538] ? put_pid+0x183/0x1f0 [ 22.127049] ? task_active_pid_ns+0xd0/0xd0 [ 22.131343] ? __might_sleep+0x95/0x190 [ 22.135293] kvm_vcpu_ioctl+0x6f1/0xff0 [ 22.139234] ? kvm_vcpu_ioctl+0x6f1/0xff0 [ 22.143352] ? kvm_vcpu_fault+0x520/0x520 [ 22.147477] ? find_held_lock+0x35/0x1d0 [ 22.151519] ? __fget+0x333/0x570 [ 22.154942] ? lock_downgrade+0x980/0x980 [ 22.159062] ? lock_release+0xa40/0xa40 [ 22.163013] ? __lock_is_held+0xb6/0x140 [ 22.167060] ? __fget+0x35c/0x570 [ 22.170490] ? iterate_fd+0x3f0/0x3f0 [ 22.174267] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 22.179256] ? kvm_vcpu_fault+0x520/0x520 [ 22.183372] do_vfs_ioctl+0x1b1/0x1520 [ 22.187234] ? ioctl_preallocate+0x2b0/0x2b0 [ 22.191623] ? selinux_capable+0x40/0x40 [ 22.195662] ? SyS_futex+0x269/0x390 [ 22.199362] ? security_file_ioctl+0x89/0xb0 [ 22.203741] SyS_ioctl+0x8f/0xc0 [ 22.207085] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 22.211810] RIP: 0033:0x445d79 [ 22.214969] RSP: 002b:00007ff3f6ee1da8 EFLAGS: 00000297 ORIG_RAX: 0000000000000010 [ 22.222646] RAX: ffffffffffffffda RBX: 00000000006dbc3c RCX: 0000000000445d79 [ 22.229888] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 22.237129] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 22.244373] R10: 0000000000000000 R11: 0000000000000297 R12: 00000000006dbc38 [ 22.251610] R13: 6d766b2f7665642f R14: 00007ff3f6ee29c0 R15: 0000000000000009 [ 22.259092] Dumping ftrace buffer: [ 22.262666] (ftrace buffer empty) [ 22.266342] Kernel Offset: disabled [ 22.269937] Rebooting in 86400 seconds..