[....] Starting enhanced syslogd: rsyslogd[ 10.892822] audit: type=1400 audit(1514697062.925:5): avc: denied { syslog } for pid=2989 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: [ 18.062297] audit: type=1400 audit(1514697070.094:6): 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 '10.128.0.30' (ECDSA) to the list of known hosts. [ 24.206170] audit: type=1400 audit(1514697076.238:7): avc: denied { map } for pid=3147 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2017/12/31 05:11:16 parsed 1 programs 2017/12/31 05:11:16 executed programs: 0 [ 24.325479] audit: type=1400 audit(1514697076.356:8): avc: denied { map } for pid=3147 comm="syz-execprog" path="/root/syzkaller-shm169653719" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 24.393572] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 27.372302] WARNING: CPU: 0 PID: 3755 at arch/x86/kvm/x86.c:7375 kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 27.381758] Kernel panic - not syncing: panic_on_warn set ... [ 27.381758] [ 27.389112] CPU: 0 PID: 3755 Comm: syz-executor1 Not tainted 4.15.0-rc4-next-20171221+ #78 [ 27.397500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.406844] Call Trace: [ 27.409423] dump_stack+0x194/0x257 [ 27.413055] ? arch_local_irq_restore+0x53/0x53 [ 27.417725] ? vsnprintf+0x1ed/0x1900 [ 27.421527] panic+0x1e4/0x41c [ 27.424714] ? refcount_error_report+0x214/0x214 [ 27.429467] ? show_regs_print_info+0x18/0x18 [ 27.433967] ? __warn+0x1c1/0x200 [ 27.437419] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 27.442430] __warn+0x1dc/0x200 [ 27.445712] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 27.450726] report_bug+0x211/0x2d0 [ 27.454353] fixup_bug.part.11+0x37/0x80 [ 27.458404] do_error_trap+0x2d7/0x3e0 [ 27.462287] ? math_error+0x400/0x400 [ 27.466079] ? __lock_is_held+0xb6/0x140 [ 27.470145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.475005] do_invalid_op+0x1b/0x20 [ 27.478711] invalid_op+0x22/0x40 [ 27.482154] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 27.487760] RSP: 0018:ffff8801d021f6b0 EFLAGS: 00010293 [ 27.493112] RAX: ffff8801cff48280 RBX: ffff8801d823d000 RCX: ffffffff810df6b7 [ 27.500371] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801d0ee9c20 [ 27.507632] RBP: ffff8801d021fa40 R08: 1ffff1003a1dde1b R09: 0000000000000001 [ 27.514888] R10: ffff8801d021f690 R11: 0000000000000000 R12: 0000000000000000 [ 27.522129] R13: ffff8801d3edd700 R14: ffff8801d0ee9a00 R15: ffff8801d0ee9a00 [ 27.529386] ? kvm_arch_vcpu_ioctl_run+0x1c7/0x5cb0 [ 27.534388] ? put_pid+0x176/0x1f0 [ 27.537899] ? save_stack+0xa3/0xd0 [ 27.541498] ? save_stack+0x43/0xd0 [ 27.545092] ? kasan_slab_free+0x71/0xc0 [ 27.549122] ? kmem_cache_free+0x83/0x2a0 [ 27.553242] ? kvm_vcpu_ioctl+0xd5f/0xff0 [ 27.557358] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 27.562174] ? debug_check_no_obj_freed+0x611/0xf1f [ 27.567162] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.572160] ? check_noncircular+0x20/0x20 [ 27.576365] ? print_irqtrace_events+0x270/0x270 [ 27.581110] ? free_obj_work+0x690/0x690 [ 27.585176] ? refcount_sub_and_test+0x115/0x1b0 [ 27.589902] ? refcount_inc+0x50/0x50 [ 27.593678] ? put_pid+0x176/0x1f0 [ 27.597194] ? refcount_dec_and_test+0x1a/0x20 [ 27.601749] ? put_pid_ns+0xa6/0xc0 [ 27.605356] ? put_pid+0x183/0x1f0 [ 27.608867] ? task_active_pid_ns+0xd0/0xd0 [ 27.613163] ? __might_sleep+0x95/0x190 [ 27.617115] kvm_vcpu_ioctl+0x6f1/0xff0 [ 27.621058] ? kvm_vcpu_ioctl+0x6f1/0xff0 [ 27.625178] ? kvm_vcpu_fault+0x520/0x520 [ 27.629304] ? find_held_lock+0x35/0x1d0 [ 27.633342] ? __fget+0x333/0x570 [ 27.636766] ? lock_downgrade+0x980/0x980 [ 27.640888] ? lock_release+0xa40/0xa40 [ 27.644837] ? __lock_is_held+0xb6/0x140 [ 27.648884] ? __fget+0x35c/0x570 [ 27.652317] ? iterate_fd+0x3f0/0x3f0 [ 27.656097] ? finish_task_switch+0x1d3/0x740 [ 27.660577] ? kvm_vcpu_fault+0x520/0x520 [ 27.664711] do_vfs_ioctl+0x1b1/0x1520 [ 27.668586] ? ioctl_preallocate+0x2b0/0x2b0 [ 27.672969] ? selinux_capable+0x40/0x40 [ 27.677009] ? SyS_futex+0x269/0x390 [ 27.680710] ? security_file_ioctl+0x89/0xb0 [ 27.685092] SyS_ioctl+0x8f/0xc0 [ 27.688439] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 27.693163] RIP: 0033:0x452ac9 [ 27.696322] RSP: 002b:00007f399fae8c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 [ 27.704016] RAX: ffffffffffffffda RBX: 000000000071c0c8 RCX: 0000000000452ac9 [ 27.711266] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000004 [ 27.718506] RBP: 0000000000000243 R08: 0000000000000000 R09: 0000000000000000 [ 27.725745] R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f16e8 [ 27.732996] R13: 00000000ffffffff R14: 00007f399fae96d4 R15: 0000000000000004 [ 27.740951] Dumping ftrace buffer: [ 27.744532] (ftrace buffer empty) [ 27.748220] Kernel Offset: disabled [ 27.751817] Rebooting in 86400 seconds..