[....] Starting enhanced syslogd: rsyslogd[ 11.765788] audit: type=1400 audit(1514679001.600:5): avc: denied { syslog } for pid=3045 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: [ 18.621079] audit: type=1400 audit(1514679008.455:6): avc: denied { map } for pid=3185 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 '10.128.15.204' (ECDSA) to the list of known hosts. [ 118.001183] audit: type=1400 audit(1514679107.835:7): avc: denied { map } for pid=3202 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 00:11:47 parsed 1 programs 2017/12/31 00:11:47 executed programs: 0 [ 118.119577] audit: type=1400 audit(1514679107.954:8): avc: denied { map } for pid=3202 comm="syz-execprog" path="/root/syzkaller-shm077359156" 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 [ 118.200859] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu 2017/12/31 00:11:52 executed programs: 195 [ 127.426707] WARNING: CPU: 0 PID: 4973 at arch/x86/kvm/x86.c:7305 kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 127.436107] Kernel panic - not syncing: panic_on_warn set ... [ 127.436107] [ 127.443488] CPU: 0 PID: 4973 Comm: syz-executor3 Not tainted 4.15.0-rc5+ #152 [ 127.450756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 127.460101] Call Trace: [ 127.462679] dump_stack+0x194/0x257 [ 127.466306] ? arch_local_irq_restore+0x53/0x53 [ 127.470971] ? vsnprintf+0x1ed/0x1900 [ 127.474766] panic+0x1e4/0x41c [ 127.477946] ? refcount_error_report+0x214/0x214 [ 127.482683] ? show_regs_print_info+0x18/0x18 [ 127.487166] ? check_noncircular+0x20/0x20 [ 127.491392] ? __warn+0x1c1/0x200 [ 127.494838] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 127.499837] __warn+0x1dc/0x200 [ 127.503101] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 127.508106] report_bug+0x211/0x2d0 [ 127.511729] fixup_bug.part.11+0x37/0x80 [ 127.515785] do_error_trap+0x2d7/0x3e0 [ 127.519668] ? math_error+0x400/0x400 [ 127.523443] ? __lock_is_held+0xb6/0x140 [ 127.527493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 127.532328] do_invalid_op+0x1b/0x20 [ 127.536018] invalid_op+0x22/0x40 [ 127.539446] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 127.545037] RSP: 0018:ffff8801d006f580 EFLAGS: 00010293 [ 127.550382] RAX: ffff8801c99ee040 RBX: ffff8801cce9b000 RCX: ffffffff810df1cf [ 127.557638] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801c9c98460 [ 127.564887] RBP: ffff8801d006f910 R08: 1ffff1003a00deda R09: 0000000000000001 [ 127.572127] R10: ffff8801d006f930 R11: 0000000000000000 R12: 0000000000000000 [ 127.579368] R13: 1ffff1003a00df4d R14: ffff8801cbda9a00 R15: ffff8801c9c98240 [ 127.586620] ? kvm_arch_vcpu_ioctl_run+0x1bf/0x5bf0 [ 127.591620] ? depot_save_stack+0x12c/0x490 [ 127.595918] ? put_pid+0x176/0x1f0 [ 127.599431] ? save_stack+0xa3/0xd0 [ 127.603031] ? save_stack+0x43/0xd0 [ 127.606629] ? kasan_slab_free+0x71/0xc0 [ 127.610663] ? put_pid+0x176/0x1f0 [ 127.614174] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 127.618986] ? do_fast_syscall_32+0x3ee/0xf9d [ 127.623451] ? entry_SYSENTER_compat+0x54/0x63 [ 127.628008] ? debug_check_no_obj_freed+0x611/0xf1f [ 127.633094] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 127.638092] ? check_noncircular+0x20/0x20 [ 127.642300] ? print_irqtrace_events+0x270/0x270 [ 127.647034] ? free_obj_work+0x690/0x690 [ 127.651166] ? refcount_sub_and_test+0x115/0x1b0 [ 127.655902] ? refcount_inc+0x50/0x50 [ 127.659676] ? put_pid+0x176/0x1f0 [ 127.663192] ? refcount_dec_and_test+0x1a/0x20 [ 127.667746] ? put_pid_ns+0xa6/0xc0 [ 127.671346] ? put_pid+0x183/0x1f0 [ 127.674866] ? task_active_pid_ns+0xd0/0xd0 [ 127.679162] ? __might_sleep+0x95/0x190 [ 127.683125] kvm_vcpu_ioctl+0x64c/0x1010 [ 127.687158] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 127.691367] ? trace_event_raw_event_kvm_age_page+0x340/0x340 [ 127.697223] ? __fget+0x333/0x570 [ 127.700648] ? lock_downgrade+0x980/0x980 [ 127.704768] ? lock_release+0xa40/0xa40 [ 127.708718] ? __lock_is_held+0xb6/0x140 [ 127.713460] ? __fget+0x35c/0x570 [ 127.716895] ? iterate_fd+0x3f0/0x3f0 [ 127.720666] ? retint_kernel+0x10/0x10 [ 127.724531] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 127.729534] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 127.734435] ? selinux_file_ioctl+0x444/0x690 [ 127.738901] ? __fget_light+0x297/0x380 [ 127.742853] kvm_vcpu_compat_ioctl+0x364/0x450 [ 127.747409] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 127.751711] ? compat_SyS_futex+0x288/0x380 [ 127.756015] ? security_file_ioctl+0x7d/0xb0 [ 127.760394] ? security_file_ioctl+0x89/0xb0 [ 127.764780] compat_SyS_ioctl+0x151/0x2a30 [ 127.768985] ? lock_downgrade+0x980/0x980 [ 127.773105] ? do_fast_syscall_32+0x156/0xf9d [ 127.777572] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 127.781866] ? do_ioctl+0x60/0x60 [ 127.785292] do_fast_syscall_32+0x3ee/0xf9d [ 127.789587] ? do_raw_spin_trylock+0x190/0x190 [ 127.794144] ? do_int80_syscall_32+0x9d0/0x9d0 [ 127.798705] ? syscall_return_slowpath+0x2ad/0x550 [ 127.803616] ? prepare_exit_to_usermode+0x340/0x340 [ 127.808788] ? sysret32_from_system_call+0x5/0x3b [ 127.813607] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 127.818431] entry_SYSENTER_compat+0x54/0x63 [ 127.822808] RIP: 0023:0xf7f30c79 [ 127.826157] RSP: 002b:00000000f7ec808c EFLAGS: 00000296 ORIG_RAX: 0000000000000036 [ 127.833838] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000000ae80 [ 127.841078] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 127.848318] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 127.855557] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 127.862796] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 127.870714] Dumping ftrace buffer: [ 127.874316] (ftrace buffer empty) [ 127.878003] Kernel Offset: disabled [ 127.881608] Rebooting in 86400 seconds..