[....] Starting enhanced syslogd: rsyslogd[ 12.517478] audit: type=1400 audit(1512954296.007:5): avc: denied { syslog } for pid=2993 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: [ 20.085156] audit: type=1400 audit(1512954303.574:6): 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 'ci-upstream-mmots-kasan-gce-9,10.128.15.205' (ECDSA) to the list of known hosts. executing program [ 26.422857] audit: type=1400 audit(1512954309.912:7): avc: denied { map } for pid=3147 comm="syzkaller767271" path="/root/syzkaller767271608" 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 [ 26.457793] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 26.469621] WARNING: CPU: 0 PID: 3147 at arch/x86/kvm/emulate.c:5630 x86_emulate_insn+0xd01/0x3c20 [ 26.478715] Kernel panic - not syncing: panic_on_warn set ... [ 26.478715] [ 26.486048] CPU: 0 PID: 3147 Comm: syzkaller767271 Not tainted 4.15.0-rc2-mm1+ #39 [ 26.493725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.503049] Call Trace: [ 26.505610] dump_stack+0x194/0x257 [ 26.509213] ? arch_local_irq_restore+0x53/0x53 [ 26.513859] ? vsnprintf+0x1ed/0x1900 [ 26.517636] panic+0x1e4/0x41c [ 26.520798] ? refcount_error_report+0x214/0x214 [ 26.525524] ? show_regs_print_info+0x18/0x18 [ 26.529997] ? __warn+0x1c1/0x200 [ 26.533427] ? x86_emulate_insn+0xd01/0x3c20 [ 26.537807] __warn+0x1dc/0x200 [ 26.541060] ? emulator_read_write+0x37b/0x540 [ 26.545615] ? x86_emulate_insn+0xd01/0x3c20 [ 26.549999] report_bug+0x211/0x2d0 [ 26.553604] fixup_bug.part.11+0x37/0x80 [ 26.557640] do_error_trap+0x2d7/0x3e0 [ 26.561505] ? math_error+0x400/0x400 [ 26.565284] ? kvm_read_guest_virt_system+0x50/0x50 [ 26.570284] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.575109] do_invalid_op+0x1b/0x20 [ 26.578799] invalid_op+0x22/0x40 [ 26.582223] RIP: 0010:x86_emulate_insn+0xd01/0x3c20 [ 26.587209] RSP: 0018:ffff8801c469f300 EFLAGS: 00010293 [ 26.592548] RAX: ffff8801c4c68040 RBX: 1ffff100388d3e69 RCX: ffffffff81153e01 [ 26.599791] RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffff8801c45db8c8 [ 26.607033] RBP: ffff8801c469f410 R08: ffff8801c45d8040 R09: ffffffff85624de0 [ 26.614274] R10: 0000000000000002 R11: ffffed00388bb759 R12: 00000000000000ff [ 26.621524] R13: ffff8801c45db8a0 R14: 0000000000000002 R15: ffff8801c45db9c3 [ 26.628788] ? x86_emulate_insn+0xd01/0x3c20 [ 26.633186] ? init_decode_cache+0xc0/0xc0 [ 26.637403] ? __lock_is_held+0xbc/0x140 [ 26.641456] x86_emulate_instruction+0x411/0x1ad0 [ 26.646282] ? find_held_lock+0x39/0x1d0 [ 26.650338] ? reexecute_instruction.part.168+0x260/0x260 [ 26.655862] ? __lock_is_held+0xbc/0x140 [ 26.659913] vmx_handle_exit+0x6e3/0x1ce0 [ 26.664046] ? vmx_set_msr+0x17e0/0x17e0 [ 26.668104] ? handle_vmfunc+0x850/0x850 [ 26.672151] ? kvm_arch_vcpu_ioctl_run+0x168b/0x5be0 [ 26.677235] kvm_arch_vcpu_ioctl_run+0x1836/0x5be0 [ 26.682147] ? is_bpf_text_address+0xa4/0x120 [ 26.686627] ? kernel_text_address+0x102/0x140 [ 26.691187] ? do_raw_spin_trylock+0x190/0x190 [ 26.695746] ? check_noncircular+0x20/0x20 [ 26.699957] ? unwind_get_return_address+0x61/0xa0 [ 26.704874] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 26.709690] ? depot_save_stack+0x2ca/0x460 [ 26.713994] ? find_held_lock+0x39/0x1d0 [ 26.718040] ? lock_downgrade+0x980/0x980 [ 26.722165] ? find_get_pid+0x210/0x210 [ 26.726112] ? lock_downgrade+0x980/0x980 [ 26.730250] ? lock_release+0xda0/0xda0 [ 26.734201] ? __lock_is_held+0xbc/0x140 [ 26.738250] ? put_pid+0x183/0x1f0 [ 26.741767] ? task_active_pid_ns+0xd0/0xd0 [ 26.746065] ? find_get_pid+0x210/0x210 [ 26.750025] kvm_vcpu_ioctl+0x64c/0x1010 [ 26.754059] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 26.758272] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 26.763529] ? find_held_lock+0x39/0x1d0 [ 26.767580] ? find_held_lock+0x39/0x1d0 [ 26.771625] ? lock_downgrade+0x980/0x980 [ 26.775762] ? handle_mm_fault+0x476/0x930 [ 26.779970] ? down_read_trylock+0xdb/0x170 [ 26.784269] ? __handle_mm_fault+0x3dd0/0x3dd0 [ 26.788823] ? vmacache_find+0x5f/0x280 [ 26.792779] ? up_read+0x1a/0x40 [ 26.796123] ? __do_page_fault+0x3d6/0xc90 [ 26.800341] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 26.805591] do_vfs_ioctl+0x1b1/0x1530 [ 26.809451] ? _cond_resched+0x14/0x30 [ 26.813320] ? ioctl_preallocate+0x2b0/0x2b0 [ 26.817706] ? selinux_capable+0x40/0x40 [ 26.821741] ? putname+0xf3/0x130 [ 26.825181] ? security_file_ioctl+0x89/0xb0 [ 26.829576] SyS_ioctl+0x8f/0xc0 [ 26.832925] entry_SYSCALL_64_fastpath+0x1f/0x96 [ 26.837653] RIP: 0033:0x4402e9 [ 26.840815] RSP: 002b:00007ffe41344e88 EFLAGS: 00000217 ORIG_RAX: 0000000000000010 [ 26.848497] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00000000004402e9 [ 26.855744] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 26.862986] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 26.870229] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000401c50 [ 26.877473] R13: 0000000000401ce0 R14: 0000000000000000 R15: 0000000000000000 [ 26.885340] Dumping ftrace buffer: [ 26.888941] (ftrace buffer empty) [ 26.892626] Kernel Offset: disabled [ 26.896241] Rebooting in 86400 seconds..