Debian GNU/Linux 7 syzkaller ttyS0 2017/09/04 17:50:43 parsed 1 programs 2017/09/04 17:50:43 executed programs: 0 syzkaller login: [ 40.675741] ------------[ cut here ]------------ [ 40.676352] WARNING: CPU: 0 PID: 4003 at arch/x86/kvm/vmx.c:6526 handle_ept_misconfig+0x140/0x520 [ 40.677051] Kernel panic - not syncing: panic_on_warn set ... [ 40.677051] [ 40.677567] CPU: 0 PID: 4003 Comm: syz-executor1 Not tainted 4.13.0-next-20170904+ #14 [ 40.678125] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 40.678795] Call Trace: [ 40.679031] dump_stack+0x194/0x257 [ 40.679354] ? arch_local_irq_restore+0x53/0x53 [ 40.679829] panic+0x1e4/0x417 [ 40.680336] ? __warn+0x1d9/0x1d9 [ 40.680632] ? show_regs_print_info+0x65/0x65 [ 40.681147] ? handle_ept_misconfig+0x140/0x520 [ 40.681465] __warn+0x1c4/0x1d9 [ 40.681688] ? handle_ept_misconfig+0x140/0x520 [ 40.682011] report_bug+0x211/0x2d0 [ 40.682353] fixup_bug+0x40/0x90 [ 40.682587] do_trap+0x260/0x390 [ 40.682840] do_error_trap+0x120/0x390 [ 40.683234] ? do_trap+0x390/0x390 [ 40.683542] ? handle_ept_misconfig+0x140/0x520 [ 40.683932] ? __kvm_io_bus_write+0x2b4/0x3a0 [ 40.684266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.684615] do_invalid_op+0x1b/0x20 [ 40.684910] invalid_op+0x18/0x20 [ 40.685232] RIP: 0010:handle_ept_misconfig+0x140/0x520 [ 40.685788] RSP: 0018:ffff88006d2df470 EFLAGS: 00010297 [ 40.686299] RAX: ffff88006d1d0540 RBX: 1ffff1000da5be90 RCX: 0000000000000000 [ 40.686874] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffed000da5be78 [ 40.687368] RBP: ffff88006d2df548 R08: 0000000000000007 R09: ffff88006d2df2f0 [ 40.687868] R10: ffff88006d1d0540 R11: 0000000000000002 R12: ffff88003aec06c0 [ 40.688366] R13: 00000000fffffff2 R14: ffff88006d2df520 R15: dffffc0000000000 [ 40.688863] ? handle_preemption_timer+0x20/0x20 [ 40.689188] ? __lock_is_held+0xbc/0x140 [ 40.689467] ? handle_preemption_timer+0x20/0x20 [ 40.689786] vmx_handle_exit+0x24b/0x1a60 [ 40.690069] ? vmx_set_msr+0x1820/0x1820 [ 40.690345] ? nested_ept_inject_page_fault+0x1f0/0x1f0 [ 40.690719] ? kvm_arch_vcpu_ioctl_run+0x1b91/0x5a30 [ 40.691078] kvm_arch_vcpu_ioctl_run+0x1d36/0x5a30 [ 40.691445] ? kvm_arch_vcpu_runnable+0x520/0x520 [ 40.691842] ? nested_vmx_exit_reflected+0x2a30/0x2a30 [ 40.692304] ? generic_exec_single+0x5b0/0x5b0 [ 40.692769] ? futex_wait+0x6cf/0xa00 [ 40.693165] ? vmcs_load+0xb3/0x180 [ 40.693528] ? kvm_arch_has_assigned_device+0x57/0xe0 [ 40.694049] ? kvm_arch_end_assignment+0x20/0x20 [ 40.694464] ? vmx_vcpu_load+0x2ca/0xa30 [ 40.694745] ? vmx_vcpu_load+0x63f/0xa30 [ 40.695033] ? handle_invept+0x5f0/0x5f0 [ 40.695310] ? get_futex_key+0x1d50/0x1d50 [ 40.695595] ? kvm_lapic_hv_timer_in_use+0xae/0xd0 [ 40.695925] ? kvm_arch_vcpu_load+0x4b1/0x890 [ 40.696272] ? check_noncircular+0x20/0x20 [ 40.696649] ? kvm_arch_dev_ioctl+0x3b0/0x3b0 [ 40.697105] ? task_rq_unlock+0x90/0x90 [ 40.697488] kvm_vcpu_ioctl+0x64c/0x1010 [ 40.697838] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 40.698210] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 40.698676] ? lock_downgrade+0x990/0x990 [ 40.699042] ? exit_robust_list+0x240/0x240 [ 40.699441] ? __fget+0xbb/0x580 [ 40.699754] ? lock_release+0xd70/0xd70 [ 40.700108] ? __lock_is_held+0xbc/0x140 [ 40.700472] ? __fget+0x362/0x580 [ 40.700888] ? fget_raw+0x20/0x20 [ 40.701460] ? iterate_fd+0x3f0/0x3f0 [ 40.701839] ? fget_raw+0x20/0x20 [ 40.702216] ? perf_event_set_output+0x5a0/0x5a0 [ 40.702734] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 40.703288] do_vfs_ioctl+0x1b1/0x1530 [ 40.703734] ? ioctl_preallocate+0x2b0/0x2b0 [ 40.704214] ? selinux_capable+0x40/0x40 [ 40.704700] ? SyS_futex+0x260/0x390 [ 40.705142] ? SyS_futex+0x269/0x390 [ 40.705570] ? vfs_write+0x15b/0x510 [ 40.705925] ? security_file_ioctl+0x7d/0xb0 [ 40.706337] ? security_file_ioctl+0x89/0xb0 [ 40.706788] SyS_ioctl+0x8f/0xc0 [ 40.707101] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 40.707511] RIP: 0033:0x447299 [ 40.707794] RSP: 002b:00007fddb74bdc08 EFLAGS: 00000296 ORIG_RAX: 0000000000000010 [ 40.708457] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 0000000000447299 [ 40.709072] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000b [ 40.709729] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 40.710511] R10: 0000000000000000 R11: 0000000000000296 R12: 000000000000000c [ 40.711215] R13: 0000000000005790 R14: 00000000006e8850 R15: 000000000000000b [ 40.712184] Dumping ftrace buffer: [ 40.712534] (ftrace buffer empty) [ 40.712795] Kernel Offset: disabled [ 40.713060] Rebooting in 86400 seconds..