[....] Starting enhanced syslogd: rsyslogd[ 11.451314] audit: type=1400 audit(1514422034.674:5): 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 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: [ 15.813440] audit: type=1400 audit(1514422039.035:6): avc: denied { map } for pid=3136 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 '10.128.0.25' (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 [ 29.239162] audit: type=1400 audit(1514422052.461:7): avc: denied { map } for pid=3152 comm="syzkaller407811" path="/root/syzkaller407811423" 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 executing program [ 29.278120] 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 [ 29.484396] WARNING: CPU: 0 PID: 3172 at arch/x86/kvm/x86.c:7375 kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 29.493828] Kernel panic - not syncing: panic_on_warn set ... [ 29.493828] [ 29.501159] CPU: 0 PID: 3172 Comm: syzkaller407811 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 29.509698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.519019] Call Trace: [ 29.521578] dump_stack+0x194/0x257 [ 29.525178] ? arch_local_irq_restore+0x53/0x53 [ 29.529820] ? vsnprintf+0x1ed/0x1900 executing program executing program executing program executing program executing program [ 29.533596] panic+0x1e4/0x41c [ 29.536773] ? refcount_error_report+0x214/0x214 [ 29.541496] ? show_regs_print_info+0x18/0x18 [ 29.545967] ? __warn+0x1c1/0x200 [ 29.549394] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 29.554377] __warn+0x1dc/0x200 [ 29.557637] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 29.562629] report_bug+0x211/0x2d0 [ 29.566242] fixup_bug.part.11+0x37/0x80 [ 29.570278] do_error_trap+0x2d7/0x3e0 [ 29.574137] ? trace_hardirqs_on+0xd/0x10 [ 29.578254] ? math_error+0x400/0x400 [ 29.582024] ? __lock_is_held+0xb6/0x140 [ 29.586062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.590876] do_invalid_op+0x1b/0x20 [ 29.594558] invalid_op+0x22/0x40 [ 29.597982] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 29.603569] RSP: 0018:ffff8801c96df6b0 EFLAGS: 00010293 [ 29.608900] RAX: ffff8801c9544200 RBX: ffff8801c6f06000 RCX: ffffffff810df6b7 [ 29.616139] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c6920b20 [ 29.623375] RBP: ffff8801c96dfa40 R08: 1ffff10038d24bfb R09: 0000000000000001 [ 29.630622] R10: ffff8801c96df690 R11: 0000000000000000 R12: 0000000000000000 [ 29.637859] R13: ffff8801d8b24f80 R14: ffff8801c6920900 R15: ffff8801c6920900 [ 29.645112] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 29.650105] ? mark_held_locks+0xaf/0x100 [ 29.654226] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 29.659299] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.664285] ? trace_hardirqs_on+0xd/0x10 [ 29.668404] ? free_object+0x150/0x230 [ 29.672261] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 29.677068] ? debug_stats_show+0xd0/0xd0 [ 29.681181] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 29.686255] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 29.691245] ? debug_object_free+0x2f1/0x5a0 [ 29.695623] ? lockdep_init_map+0x9/0x10 [ 29.699657] ? debug_object_destroy+0x2b0/0x2b0 [ 29.704305] ? __wait_rcu_gp+0x230/0x340 [ 29.708345] ? synchronize_sched.part.65+0xac/0x100 [ 29.713329] ? synchronize_sched_expedited+0xf0/0xf0 [ 29.718397] ? call_rcu_bh+0x20/0x20 [ 29.722083] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 29.727937] ? put_pid+0x183/0x1f0 [ 29.731447] ? task_active_pid_ns+0xd0/0xd0 [ 29.735739] ? __might_sleep+0x95/0x190 [ 29.739689] kvm_vcpu_ioctl+0x6f1/0xff0 [ 29.743630] ? kvm_vcpu_ioctl+0x6f1/0xff0 [ 29.747748] ? kvm_vcpu_fault+0x520/0x520 [ 29.751874] ? find_held_lock+0x35/0x1d0 [ 29.755913] ? __fget+0x333/0x570 [ 29.759334] ? lock_downgrade+0x980/0x980 [ 29.763452] ? lock_release+0xa40/0xa40 [ 29.767402] ? __lock_is_held+0xb6/0x140 [ 29.771445] ? __fget+0x35c/0x570 [ 29.774875] ? iterate_fd+0x3f0/0x3f0 [ 29.778662] ? kvm_vcpu_fault+0x520/0x520 [ 29.782779] do_vfs_ioctl+0x1b1/0x1520 [ 29.786641] ? ioctl_preallocate+0x2b0/0x2b0 [ 29.791024] ? selinux_capable+0x40/0x40 [ 29.795059] ? SyS_futex+0x269/0x390 [ 29.798756] ? security_file_ioctl+0x89/0xb0 [ 29.803139] SyS_ioctl+0x8f/0xc0 [ 29.806482] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 29.811208] RIP: 0033:0x445a99 [ 29.814366] RSP: 002b:00007f278b51fda8 EFLAGS: 00000297 ORIG_RAX: 0000000000000010 [ 29.822043] RAX: ffffffffffffffda RBX: 00000000006dac3c RCX: 0000000000445a99 [ 29.829282] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000015 [ 29.836519] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 29.843757] R10: 0000000000000000 R11: 0000000000000297 R12: 00000000006dac38 [ 29.850993] R13: 6d766b2f7665642f R14: 00007f278b5209c0 R15: 0000000000000009 [ 29.858477] Dumping ftrace buffer: [ 29.862067] (ftrace buffer empty) [ 29.865747] Kernel Offset: disabled [ 29.869346] Rebooting in 86400 seconds..