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-386-4,10.128.15.225' (ECDSA) to the list of known hosts. 2017/09/27 02:39:10 parsed 1 programs 2017/09/27 02:39:10 executed programs: 0 syzkaller login: [ 42.397742] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 42.417188] *** Guest State *** [ 42.417195] CR0: actual=0x0000000080000031, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 [ 42.417200] CR4: actual=0x0000000000002051, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 [ 42.417203] CR3 = 0x00000000fffbc000 [ 42.417206] RSP = 0x000000000000fffa RIP = 0x0000000000000000 [ 42.417211] RFLAGS=0x00033000 DR7 = 0x0000000000000400 [ 42.417217] Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 [ 42.417222] CS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 42.417229] DS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 42.417236] SS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 42.417242] ES: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 42.417248] FS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 42.417255] GS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 42.417261] GDTR: limit=0x0000ffff, base=0x0000000000000000 [ 42.417268] LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 [ 42.417273] IDTR: limit=0x0000ffff, base=0x0000000000000000 [ 42.417280] TR: sel=0x0000, attr=0x0008b, limit=0x00002088, base=0x0000000000000000 [ 42.417284] EFER = 0x0000000000000000 PAT = 0x0007040600070406 [ 42.417289] DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 [ 42.417293] Interruptibility = 00000000 ActivityState = 00000000 [ 42.417296] *** Host State *** [ 42.417301] RIP = 0xffffffff811b94da RSP = 0xffff8801ce97f2f8 [ 42.417310] CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 [ 42.417314] FSBase=0000000000000000 GSBase=ffff8801db200000 TRBase=ffff8801db223100 [ 42.417319] GDTBase=ffffffffff577000 IDTBase=ffffffffff57b000 [ 42.417325] CR0=0000000080050033 CR3=00000001cf3d4000 CR4=00000000001426f0 [ 42.417331] Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84d49ef0 [ 42.417336] EFER = 0x0000000000000d01 PAT = 0x0000000000000000 [ 42.417339] *** Control State *** [ 42.417343] PinBased=0000003f CPUBased=b699edfa SecondaryExec=00000042 [ 42.417346] EntryControls=0000d1ff ExitControls=0023efff [ 42.417351] ExceptionBitmap=ffffbfff PFECmask=00000000 PFECmatch=00000000 [ 42.417355] VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 [ 42.417359] VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 [ 42.417362] reason=80000021 qualification=0000000000000000 [ 42.417365] IDTVectoring: info=00000000 errcode=00000000 [ 42.417369] TSC Offset = 0xffffffe7b733585b [ 42.417372] EPT pointer = 0x00000001cdc1701e [ 42.417433] *** Guest State *** [ 42.417439] CR0: actual=0x0000000080000031, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 [ 42.417444] CR4: actual=0x0000000000002051, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 [ 42.417447] CR3 = 0x00000000fffbc000 [ 42.417451] RSP = 0x000000000000fffa RIP = 0x0000000000000000 [ 42.417455] RFLAGS=0x00033000 DR7 = 0x0000000000000400 [ 42.417461] Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 [ 42.417466] CS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 42.417473] DS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 42.417480] SS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 42.417486] ES: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 42.417493] FS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 42.417500] GS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 42.417505] GDTR: limit=0x0000ffff, base=0x0000000000000000 [ 42.417512] LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 [ 42.417517] IDTR: limit=0x0000ffff, base=0x0000000000000000 [ 42.417524] TR: sel=0x0000, attr=0x0008b, limit=0x00002088, base=0x0000000000000000 [ 42.417528] EFER = 0x0000000000000000 PAT = 0x0007040600070406 [ 42.417533] DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 [ 42.417538] Interruptibility = 00000000 ActivityState = 00000000 [ 42.417541] *** Host State *** [ 42.417546] RIP = 0xffffffff811b94da RSP = 0xffff8801d1bb72f8 [ 42.417554] CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 [ 42.417559] FSBase=0000000000000000 GSBase=ffff8801db300000 TRBase=ffff8801db323100 [ 42.417564] GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 [ 42.417570] CR0=0000000080050033 CR3=00000001ce4b5000 CR4=00000000001426e0 [ 42.417576] Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84d49ef0 [ 42.417581] EFER = 0x0000000000000d01 PAT = 0x0000000000000000 [ 42.417584] *** Control State *** [ 42.417589] PinBased=0000003f CPUBased=b699edfa SecondaryExec=00000042 [ 42.417592] EntryControls=0000d1ff ExitControls=0023efff [ 42.417598] ExceptionBitmap=ffffbfff PFECmask=00000000 PFECmatch=00000000 [ 42.417606] VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 [ 42.417610] VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 [ 42.417613] reason=80000021 qualification=0000000000000000 [ 42.417617] IDTVectoring: info=00000000 errcode=00000000 [ 42.417620] TSC Offset = 0xffffffe7b79d3766 [ 42.417624] EPT pointer = 0x00000001ce7c401e [ 42.456659] ------------[ cut here ]------------ [ 42.456674] WARNING: CPU: 1 PID: 3014 at arch/x86/kvm/x86.c:7265 kvm_arch_vcpu_ioctl_run+0x213/0x5c70 [ 42.456678] Kernel panic - not syncing: panic_on_warn set ... [ 42.456678] [ 42.456685] CPU: 1 PID: 3014 Comm: syz-executor5 Not tainted 4.14.0-rc2+ #13 [ 42.456689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.456692] Call Trace: [ 42.456702] dump_stack+0x194/0x257 [ 42.456712] ? arch_local_irq_restore+0x53/0x53 [ 42.456732] panic+0x1e4/0x417 [ 42.456739] ? __warn+0x1d9/0x1d9 [ 42.456745] ? show_regs_print_info+0x65/0x65 [ 42.456768] ? kvm_arch_vcpu_ioctl_run+0x213/0x5c70 [ 42.456776] __warn+0x1c4/0x1d9 [ 42.456784] ? kvm_arch_vcpu_ioctl_run+0x213/0x5c70 [ 42.456794] report_bug+0x211/0x2d0 [ 42.456807] fixup_bug+0x40/0x90 [ 42.456815] do_trap+0x260/0x390 [ 42.456828] do_error_trap+0x120/0x390 [ 42.456839] ? do_trap+0x390/0x390 [ 42.456847] ? kvm_arch_vcpu_ioctl_run+0x213/0x5c70 [ 42.456854] ? fpu__activate_curr+0xed/0x650 [ 42.456863] ? fpstate_init+0x160/0x160 [ 42.456874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.456887] do_invalid_op+0x1b/0x20 [ 42.456894] invalid_op+0x18/0x20 [ 42.456900] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5c70 [ 42.456904] RSP: 0018:ffff8801cfcd74a0 EFLAGS: 00010297 [ 42.456911] RAX: ffff8801d033a480 RBX: ffff8801ce342000 RCX: ffff8801cdc084dc [ 42.456915] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801cdc082f8 [ 42.456919] RBP: ffff8801cfcd7870 R08: 1ffffffff0af694d R09: 0000000000000001 [ 42.456922] R10: 0000000000000000 R11: 1ffff1003a067723 R12: 0000000000000000 [ 42.456926] R13: ffff8801d033a480 R14: ffff8801d6029500 R15: ffff8801cdc080c0 [ 42.456956] ? mutex_lock_io_nested+0x1880/0x1880 [ 42.456964] ? refill_pi_state_cache.part.6+0x2f0/0x2f0 [ 42.456971] ? check_noncircular+0x20/0x20 [ 42.456978] ? check_noncircular+0x20/0x20 [ 42.456992] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 42.456998] ? futex_wait_setup+0x22e/0x3d0 [ 42.457013] ? futex_wake+0x680/0x680 [ 42.457027] ? vmcs_load+0xb3/0x180 [ 42.457035] ? kvm_arch_has_assigned_device+0x57/0xe0 [ 42.457041] ? kvm_arch_end_assignment+0x20/0x20 [ 42.457048] ? futex_wait+0x69e/0x990 [ 42.457061] ? vmx_vcpu_load+0x63f/0xa30 [ 42.457072] ? handle_invept+0x5f0/0x5f0 [ 42.457078] ? hash_futex+0x15/0x210 [ 42.457085] ? check_noncircular+0x20/0x20 [ 42.457098] ? kvm_arch_vcpu_load+0x4b1/0x890 [ 42.457107] ? kvm_arch_dev_ioctl+0x3b0/0x3b0 [ 42.457115] ? task_rq_unlock+0x90/0x90 [ 42.457137] kvm_vcpu_ioctl+0x64c/0x1010 [ 42.457142] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 42.457151] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 42.457156] ? lock_downgrade+0x990/0x990 [ 42.457171] ? __fget+0xbb/0x580 [ 42.457185] ? lock_release+0xd70/0xd70 [ 42.457195] ? __lock_is_held+0xbc/0x140 [ 42.457214] ? __fget+0x362/0x580 [ 42.457221] ? kmem_cache_free+0x77/0x280 [ 42.457234] ? iterate_fd+0x3f0/0x3f0 [ 42.457253] ? __fd_install+0x2f7/0x6a0 [ 42.457271] kvm_vcpu_compat_ioctl+0x3c1/0x4c0 [ 42.457280] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 42.457286] ? kvm_read_guest_page+0x4a0/0x670 [ 42.457292] ? putname+0xee/0x130 [ 42.457300] ? kvm_vm_ioctl+0x1beb/0x1c40 [ 42.457306] ? putname+0xee/0x130 [ 42.457313] ? rcu_read_lock_sched_held+0x108/0x120 [ 42.457327] ? security_file_ioctl+0x89/0xb0 [ 42.457339] compat_SyS_ioctl+0x1d7/0x3290 [ 42.457345] ? compat_SyS_get_robust_list+0x300/0x300 [ 42.457351] ? kvm_vcpu_ioctl+0x1010/0x1010 [ 42.457360] ? do_ioctl+0x60/0x60 [ 42.457365] ? lock_acquire+0x1d5/0x580 [ 42.457371] ? finish_task_switch+0x1aa/0x740 [ 42.457376] ? do_fast_syscall_32+0x158/0xf05 [ 42.457386] ? do_ioctl+0x60/0x60 [ 42.457393] do_fast_syscall_32+0x3f2/0xf05 [ 42.457400] ? compat_start_thread+0x80/0x80 [ 42.457411] ? do_int80_syscall_32+0x940/0x940 [ 42.457422] ? lockdep_sys_exit+0x47/0xf0 [ 42.457429] ? syscall_return_slowpath+0x2b3/0x510 [ 42.457434] ? finish_task_switch+0x1aa/0x740 [ 42.457441] ? prepare_exit_to_usermode+0x2d0/0x2d0 [ 42.457450] ? sysret32_from_system_call+0x5/0x3b [ 42.457461] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.457475] entry_SYSENTER_compat+0x51/0x60 [ 42.457480] RIP: 0023:0xf7f47c79 [ 42.457483] RSP: 002b:00000000f7f4305c EFLAGS: 00000296 ORIG_RAX: 0000000000000036 [ 42.457490] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000000ae80 [ 42.457493] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 42.457496] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 42.457500] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 42.457503] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 42.461140] Dumping ftrace buffer: [ 42.461170] (ftrace buffer empty) [ 42.461173] Kernel Offset: disabled [ 43.384566] Rebooting in 86400 seconds..