INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added 'ci-upstream-kasan-gce-386-0,10.128.0.63' (ECDSA) to the list of known hosts. 2017/12/05 03:28:57 parsed 1 programs 2017/12/05 03:28:57 executed programs: 0 syzkaller login: [ 41.953204] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 41.959215] WARNING: CPU: 1 PID: 3092 at arch/x86/kvm/emulate.c:5654 x86_emulate_insn+0xd01/0x3cf0 [ 41.960445] Kernel panic - not syncing: panic_on_warn set ... [ 41.960445] [ 41.961469] CPU: 1 PID: 3092 Comm: syz-executor0 Not tainted 4.15.0-rc2+ #117 [ 41.962424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.963646] Call Trace: [ 41.964035] dump_stack+0x194/0x257 [ 41.964528] ? arch_local_irq_restore+0x53/0x53 [ 41.965159] ? vsnprintf+0x1ed/0x1900 [ 41.965678] panic+0x1e4/0x41c [ 41.966112] ? refcount_error_report+0x214/0x214 [ 41.966778] ? show_regs_print_info+0x65/0x65 [ 41.967407] ? __warn+0x1c1/0x200 [ 41.967877] ? x86_emulate_insn+0xd01/0x3cf0 [ 41.968466] __warn+0x1dc/0x200 [ 41.968914] ? emulator_read_write+0x37b/0x540 [ 41.969557] ? x86_emulate_insn+0xd01/0x3cf0 [ 41.970149] report_bug+0x211/0x2d0 [ 41.970647] fixup_bug.part.11+0x37/0x80 [ 41.971281] do_error_trap+0x2d7/0x3e0 [ 41.971808] ? math_error+0x400/0x400 [ 41.972326] ? kvm_read_guest_virt_system+0x50/0x50 [ 41.973018] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.976060] do_invalid_op+0x1b/0x20 [ 41.979740] invalid_op+0x18/0x20 [ 41.983170] RIP: 0010:x86_emulate_insn+0xd01/0x3cf0 [ 41.988153] RSP: 0018:ffff8801cbaef1d0 EFLAGS: 00010293 [ 41.993484] RAX: ffff8801cd4e8040 RBX: 1ffff1003975de43 RCX: ffffffff81153d11 [ 42.000723] RDX: 0000000000000000 RSI: ffffffffffffffff RDI: ffff8801cbb8a888 [ 42.007962] RBP: ffff8801cbaef2e0 R08: ffff8801cbb88040 R09: ffffffff85224d20 [ 42.015203] R10: 0000000000000002 R11: ffffed0039771551 R12: 00000000000000ff [ 42.022443] R13: ffff8801cbb8a860 R14: 0000000000000002 R15: ffff8801cbb8a983 [ 42.029694] ? x86_emulate_insn+0xd01/0x3cf0 [ 42.034095] ? init_decode_cache+0xc0/0xc0 [ 42.038303] ? __lock_is_held+0xbc/0x140 [ 42.042348] x86_emulate_instruction+0x411/0x1ad0 [ 42.047156] ? mark_held_locks+0xb2/0x100 [ 42.051284] ? reexecute_instruction.part.167+0x260/0x260 [ 42.056798] ? __lock_is_held+0xbc/0x140 [ 42.060839] vmx_handle_exit+0x6e3/0x1ce0 [ 42.064957] ? vmx_set_msr+0x17e0/0x17e0 [ 42.068989] ? handle_vmfunc+0x850/0x850 [ 42.073027] ? kvm_arch_vcpu_ioctl_run+0x1b10/0x5c60 [ 42.078103] kvm_arch_vcpu_ioctl_run+0x1cb4/0x5c60 [ 42.083003] ? mutex_lock_io_nested+0x1900/0x1900 [ 42.087815] ? is_bpf_text_address+0xa4/0x120 [ 42.092277] ? do_raw_spin_trylock+0x190/0x190 [ 42.096829] ? check_noncircular+0x20/0x20 [ 42.101042] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 42.105856] ? handle_invept+0x5f0/0x5f0 [ 42.109887] ? find_held_lock+0x39/0x1d0 [ 42.113925] ? lock_downgrade+0x980/0x980 [ 42.118047] ? find_get_pid+0x210/0x210 [ 42.121989] ? lock_downgrade+0x980/0x980 [ 42.126106] ? lock_release+0xda0/0xda0 [ 42.130050] ? __lock_is_held+0xbc/0x140 [ 42.134089] ? put_pid+0x183/0x1f0 [ 42.137598] ? task_active_pid_ns+0xd0/0xd0 [ 42.141883] ? find_get_pid+0x210/0x210 [ 42.145833] kvm_vcpu_ioctl+0x64c/0x1010 [ 42.149861] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 42.154065] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 42.159310] ? lockdep_init_map+0x3d/0x70 [ 42.163428] ? do_raw_spin_trylock+0x190/0x190 [ 42.167987] ? _raw_spin_unlock+0x22/0x30 [ 42.172105] ? check_noncircular+0x20/0x20 [ 42.176311] ? __pmd_alloc+0x4e0/0x4e0 [ 42.180166] ? find_held_lock+0x39/0x1d0 [ 42.184209] ? find_held_lock+0x39/0x1d0 [ 42.188247] ? lock_downgrade+0x980/0x980 [ 42.192366] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 42.197262] ? selinux_file_ioctl+0x444/0x690 [ 42.201725] ? __fget_light+0x29d/0x390 [ 42.205671] kvm_vcpu_compat_ioctl+0x364/0x450 [ 42.210221] ? down_read_trylock+0xdb/0x170 [ 42.214510] ? __do_page_fault+0x32d/0xc90 [ 42.218713] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 42.223018] ? compat_SyS_futex+0x288/0x380 [ 42.227314] ? security_file_ioctl+0x7d/0xb0 [ 42.231689] ? security_file_ioctl+0x89/0xb0 [ 42.236073] compat_SyS_ioctl+0x151/0x2a30 [ 42.240279] ? do_fast_syscall_32+0x156/0xf9d [ 42.244743] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 42.249034] ? do_ioctl+0x60/0x60 [ 42.252458] do_fast_syscall_32+0x3ee/0xf9d [ 42.256753] ? do_int80_syscall_32+0x9d0/0x9d0 [ 42.261301] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 42.266031] ? lockdep_sys_exit+0x47/0xf0 [ 42.270146] ? syscall_return_slowpath+0x2ad/0x550 [ 42.275048] ? sysret32_from_system_call+0x5/0x3b [ 42.279862] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.284679] entry_SYSENTER_compat+0x51/0x60 [ 42.289062] RIP: 0023:0xf7fc7c79 [ 42.292394] RSP: 002b:00000000ff8b85dc EFLAGS: 00000292 ORIG_RAX: 0000000000000036 [ 42.300070] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000000ae80 [ 42.307308] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 42.314547] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 42.321791] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 42.329029] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.336454] Dumping ftrace buffer: [ 42.340030] (ftrace buffer empty) [ 42.343712] Kernel Offset: disabled [ 42.347310] Rebooting in 86400 seconds..