[....] Starting enhanced syslogd: rsyslogd[ 13.511567] audit: type=1400 audit(1512703147.477:5): 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: [ 26.378204] audit: type=1400 audit(1512703160.343:6): avc: denied { map } for pid=3139 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-kasan-gce-1,10.128.0.32' (ECDSA) to the list of known hosts. executing program [ 32.775147] audit: type=1400 audit(1512703166.740:7): avc: denied { map } for pid=3153 comm="syzkaller990902" path="/root/syzkaller990902741" 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 [ 32.819326] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 32.830907] WARNING: CPU: 0 PID: 3153 at arch/x86/kvm/emulate.c:5654 x86_emulate_insn+0xd01/0x3cf0 [ 32.839999] Kernel panic - not syncing: panic_on_warn set ... [ 32.839999] [ 32.847338] CPU: 0 PID: 3153 Comm: syzkaller990902 Not tainted 4.15.0-rc2+ #212 [ 32.854770] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.864109] Call Trace: [ 32.866686] dump_stack+0x194/0x257 [ 32.870308] ? arch_local_irq_restore+0x53/0x53 [ 32.874960] ? vsnprintf+0x1ed/0x1900 [ 32.878740] panic+0x1e4/0x41c [ 32.882357] ? refcount_error_report+0x214/0x214 [ 32.887085] ? show_regs_print_info+0x18/0x18 [ 32.891556] ? __warn+0x1c1/0x200 [ 32.894987] ? x86_emulate_insn+0xd01/0x3cf0 [ 32.899366] __warn+0x1dc/0x200 [ 32.902618] ? emulator_read_write+0x37b/0x540 [ 32.907170] ? x86_emulate_insn+0xd01/0x3cf0 [ 32.911557] report_bug+0x211/0x2d0 [ 32.915161] fixup_bug.part.11+0x37/0x80 [ 32.919195] do_error_trap+0x2d7/0x3e0 [ 32.923060] ? math_error+0x400/0x400 [ 32.926834] ? kvm_read_guest_virt_system+0x50/0x50 [ 32.931832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.936656] do_invalid_op+0x1b/0x20 [ 32.940346] invalid_op+0x18/0x20 [ 32.943772] RIP: 0010:x86_emulate_insn+0xd01/0x3cf0 [ 32.948758] RSP: 0018:ffff8801c56f7300 EFLAGS: 00010293 [ 32.954097] RAX: ffff8801c62d2080 RBX: 1ffff10038adee69 RCX: ffffffff81154231 [ 32.961340] RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffff8801c55da888 [ 32.968580] RBP: ffff8801c56f7410 R08: ffff8801c55d8040 R09: ffffffff85224dc0 [ 32.975993] R10: 0000000000000002 R11: ffffed0038abb551 R12: 00000000000000ff [ 32.983242] R13: ffff8801c55da860 R14: 0000000000000002 R15: ffff8801c55da983 [ 32.990495] ? x86_emulate_insn+0xd01/0x3cf0 [ 32.994887] ? init_decode_cache+0xc0/0xc0 [ 32.999097] ? __lock_is_held+0xbc/0x140 [ 33.003145] x86_emulate_instruction+0x411/0x1ad0 [ 33.007958] ? find_held_lock+0x39/0x1d0 [ 33.011991] ? check_noncircular+0x20/0x20 [ 33.016203] ? reexecute_instruction.part.167+0x260/0x260 [ 33.021719] ? __lock_is_held+0xbc/0x140 [ 33.025762] vmx_handle_exit+0x6e3/0x1ce0 [ 33.029881] ? vmx_set_msr+0x17e0/0x17e0 [ 33.033916] ? handle_vmfunc+0x850/0x850 [ 33.037957] ? kvm_arch_vcpu_ioctl_run+0x1b10/0x5c60 [ 33.043039] kvm_arch_vcpu_ioctl_run+0x1cb4/0x5c60 [ 33.047942] ? is_bpf_text_address+0xa4/0x120 [ 33.052409] ? do_raw_spin_trylock+0x190/0x190 [ 33.056965] ? check_noncircular+0x20/0x20 [ 33.061173] ? unwind_get_return_address+0x1/0xa0 [ 33.065995] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 33.070819] ? find_held_lock+0x39/0x1d0 [ 33.074862] ? lock_downgrade+0x980/0x980 [ 33.078985] ? find_get_pid+0x210/0x210 [ 33.082930] ? lock_downgrade+0x980/0x980 [ 33.087053] ? lock_release+0xda0/0xda0 [ 33.091002] ? __lock_is_held+0xbc/0x140 [ 33.095045] ? put_pid+0x183/0x1f0 [ 33.098557] ? task_active_pid_ns+0xd0/0xd0 [ 33.102849] ? find_get_pid+0x210/0x210 [ 33.106805] kvm_vcpu_ioctl+0x64c/0x1010 [ 33.110834] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 33.115044] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 33.120293] ? find_held_lock+0x39/0x1d0 [ 33.124338] ? find_held_lock+0x39/0x1d0 [ 33.128381] ? lock_downgrade+0x980/0x980 [ 33.132515] ? handle_mm_fault+0x410/0x8d0 [ 33.136719] ? down_read_trylock+0xdb/0x170 [ 33.141013] ? __do_page_fault+0x32d/0xc90 [ 33.145222] ? __handle_mm_fault+0x3e20/0x3e20 [ 33.149777] ? vmacache_find+0x5f/0x280 [ 33.153728] ? up_read+0x1a/0x40 [ 33.157068] ? __do_page_fault+0x3d6/0xc90 [ 33.161285] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 33.166535] do_vfs_ioctl+0x1b1/0x1530 [ 33.170395] ? _cond_resched+0x14/0x30 [ 33.174258] ? ioctl_preallocate+0x2b0/0x2b0 [ 33.178643] ? selinux_capable+0x40/0x40 [ 33.182675] ? putname+0xf3/0x130 [ 33.186115] ? security_file_ioctl+0x89/0xb0 [ 33.190497] SyS_ioctl+0x8f/0xc0 [ 33.193842] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 33.198569] RIP: 0033:0x4402e9 [ 33.201731] RSP: 002b:00007ffde2bdf2c8 EFLAGS: 00000217 ORIG_RAX: 0000000000000010 [ 33.209414] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00000000004402e9 [ 33.216654] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 33.223899] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 33.231141] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000401c50 [ 33.238738] R13: 0000000000401ce0 R14: 0000000000000000 R15: 0000000000000000 [ 33.248588] Dumping ftrace buffer: [ 33.252167] (ftrace buffer empty) [ 33.255853] Kernel Offset: disabled [ 33.259459] Rebooting in 86400 seconds..