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-next-kasan-gce-7,10.128.15.227' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 41.177078] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu executing program executing program executing program [ 41.217473] *** Guest State *** [ 41.223393] CR0: actual=0x0000000080000031, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 [ 41.233705] CR4: actual=0x0000000000002051, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 [ 41.252544] CR3 = 0x00000000fffbc000 [ 41.256699] RSP = 0x000000000000fffa RIP = 0x0000000000000000 [ 41.261120] *** Guest State *** executing program executing program executing program executing program executing program [ 41.261126] CR0: actual=0x0000000080000031, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 [ 41.261131] CR4: actual=0x0000000000002051, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 [ 41.261134] CR3 = 0x00000000fffbc000 [ 41.261137] RSP = 0x000000000000fffa RIP = 0x0000000000000000 [ 41.261142] RFLAGS=0x00023000 DR7 = 0x0000000080000401 [ 41.261148] Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 executing program executing program executing program executing program [ 41.261153] CS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 41.261160] DS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 41.261167] SS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 41.261173] ES: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 41.261180] FS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 41.261187] GS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 41.261192] GDTR: limit=0x0000ffff, base=0x0000000000000000 [ 41.261201] LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 [ 41.261206] IDTR: limit=0x0000ffff, base=0x0000000000000000 [ 41.261213] TR: sel=0x0000, attr=0x0008b, limit=0x00002088, base=0x0000000000000000 [ 41.261217] EFER = 0x0000000000000000 PAT = 0x0007040600070406 [ 41.261222] DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 [ 41.261226] Interruptibility = 00000000 ActivityState = 00000000 [ 41.261229] *** Host State *** [ 41.261234] RIP = 0xffffffff811b92ba RSP = 0xffff8801cdcb74c8 [ 41.261243] CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 [ 41.261248] FSBase=00007fcd9fd8c700 GSBase=ffff8801db300000 TRBase=ffff8801db323100 [ 41.261252] GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 [ 41.261258] CR0=0000000080050033 CR3=00000001d3b27000 CR4=00000000001426e0 [ 41.261264] Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84d4d130 [ 41.261270] EFER = 0x0000000000000d01 PAT = 0x0000000000000000 [ 41.261272] *** Control State *** [ 41.261276] PinBased=0000003f CPUBased=b699edfa SecondaryExec=00000042 [ 41.261279] EntryControls=0000d1ff ExitControls=0023efff [ 41.261284] ExceptionBitmap=ffffbfff PFECmask=00000000 PFECmatch=00000000 [ 41.261288] VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 [ 41.261291] VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 [ 41.261295] reason=80000021 qualification=0000000000000000 [ 41.261298] IDTVectoring: info=00000000 errcode=00000000 [ 41.261301] TSC Offset = 0xffffffe78cd0222f [ 41.261305] EPT pointer = 0x00000001ccf7401e [ 41.382124] ------------[ cut here ]------------ [ 41.382140] WARNING: CPU: 0 PID: 3233 at arch/x86/kvm/x86.c:7265 kvm_arch_vcpu_ioctl_run+0x213/0x5b90 [ 41.382145] Kernel panic - not syncing: panic_on_warn set ... [ 41.382145] [ 41.382152] CPU: 0 PID: 3233 Comm: syzkaller505638 Not tainted 4.14.0-rc1-next-20170920+ #26 [ 41.382156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.382162] Call Trace: [ 41.382172] dump_stack+0x194/0x257 [ 41.382181] ? arch_local_irq_restore+0x53/0x53 [ 41.382199] panic+0x1e4/0x417 [ 41.382206] ? __warn+0x1d9/0x1d9 [ 41.382211] ? show_regs_print_info+0x65/0x65 [ 41.382231] ? kvm_arch_vcpu_ioctl_run+0x213/0x5b90 [ 41.382236] __warn+0x1c4/0x1d9 [ 41.382243] ? kvm_arch_vcpu_ioctl_run+0x213/0x5b90 [ 41.382252] report_bug+0x211/0x2d0 [ 41.382265] fixup_bug+0x40/0x90 [ 41.382272] do_trap+0x260/0x390 [ 41.382285] do_error_trap+0x120/0x390 [ 41.382295] ? do_trap+0x390/0x390 [ 41.382303] ? kvm_arch_vcpu_ioctl_run+0x213/0x5b90 [ 41.382309] ? fpu__activate_curr+0xed/0x650 [ 41.382317] ? fpstate_init+0x160/0x160 [ 41.382323] ? lock_downgrade+0x990/0x990 [ 41.382333] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.382346] do_invalid_op+0x1b/0x20 [ 41.382353] invalid_op+0x18/0x20 [ 41.382358] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5b90 [ 41.382362] RSP: 0018:ffff8801cc1bf670 EFLAGS: 00010297 [ 41.382368] RAX: ffff8801cc1185c0 RBX: ffff8801cc850000 RCX: 0000000000000000 [ 41.382372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801cc0e0778 [ 41.382375] RBP: ffff8801cc1bfa40 R08: 0000000000000060 R09: 0000000000000000 [ 41.382379] R10: ffff8801cc1bfa58 R11: 0000000000000000 R12: 0000000000000001 [ 41.382382] R13: 0000000000000000 R14: ffff8801d4e8d100 R15: ffff8801cc0e0540 [ 41.382405] ? unwind_get_return_address+0x61/0xa0 [ 41.382414] ? trace_hardirqs_off+0xd/0x10 [ 41.382420] ? _raw_spin_unlock_irqrestore+0xa6/0xba [ 41.382428] ? depot_save_stack+0x3b5/0x490 [ 41.382438] ? print_usage_bug+0x480/0x480 [ 41.382442] ? put_pid+0x177/0x1f0 [ 41.382450] ? save_stack+0xa3/0xd0 [ 41.382456] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 41.382461] ? save_stack_trace+0x16/0x20 [ 41.382466] ? save_stack+0x43/0xd0 [ 41.382470] ? kasan_slab_free+0x71/0xc0 [ 41.382474] ? kmem_cache_free+0x77/0x280 [ 41.382479] ? put_pid+0x177/0x1f0 [ 41.382483] ? kvm_vcpu_ioctl+0xd75/0x1010 [ 41.382488] ? do_vfs_ioctl+0x1b1/0x1530 [ 41.382493] ? SyS_ioctl+0x8f/0xc0 [ 41.382498] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 41.382503] ? __init_waitqueue_head+0x97/0x140 [ 41.382511] ? wake_up_q+0xe0/0xe0 [ 41.382518] ? __lockdep_init_map+0xe4/0x650 [ 41.382524] ? check_noncircular+0x20/0x20 [ 41.382537] ? __wait_rcu_gp+0x25d/0x420 [ 41.382542] ? rcu_gp_is_normal+0x140/0x140 [ 41.382563] ? __lock_is_held+0xbc/0x140 [ 41.382572] ? put_pid+0x177/0x1f0 [ 41.382581] ? put_pid+0x177/0x1f0 [ 41.382586] ? rcu_read_lock_sched_held+0x108/0x120 [ 41.382593] ? put_pid_ns+0xe9/0x120 [ 41.382602] ? put_pid+0x184/0x1f0 [ 41.382609] ? task_active_pid_ns+0xd0/0xd0 [ 41.382618] ? __might_sleep+0x95/0x190 [ 41.382629] kvm_vcpu_ioctl+0x64c/0x1010 [ 41.382633] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 41.382642] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 41.382656] ? lock_downgrade+0x990/0x990 [ 41.382671] ? __fget+0xbb/0x580 [ 41.382683] ? lock_release+0xd70/0xd70 [ 41.382693] ? __lock_is_held+0xbc/0x140 [ 41.382711] ? __fget+0x362/0x580 [ 41.382728] ? iterate_fd+0x3f0/0x3f0 [ 41.382735] ? rcu_pm_notify+0xc0/0xc0 [ 41.382741] ? retint_kernel+0x10/0x10 [ 41.382750] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.382757] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.382765] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 41.382770] do_vfs_ioctl+0x1b1/0x1530 [ 41.382782] ? ioctl_preallocate+0x2b0/0x2b0 [ 41.382791] ? selinux_capable+0x40/0x40 [ 41.382800] ? _raw_spin_unlock_irq+0x56/0x70 [ 41.382808] ? lockdep_sys_exit+0x4b/0xf0 [ 41.382814] ? syscall_return_slowpath+0x2b3/0x510 [ 41.382819] ? finish_task_switch+0x1aa/0x740 [ 41.382832] ? security_file_ioctl+0x7d/0xb0 [ 41.382836] ? security_file_ioctl+0x89/0xb0 [ 41.382846] SyS_ioctl+0x8f/0xc0 [ 41.382857] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 41.382862] RIP: 0033:0x446039 [ 41.382865] RSP: 002b:00007fcd91d6ddc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010 [ 41.382871] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446039 [ 41.382875] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 000000000000000f [ 41.382878] RBP: 0000000000000082 R08: 00007fcd91d6e700 R09: 00007fcd91d6e700 [ 41.382882] R10: 00007fcd91d6e700 R11: 0000000000000202 R12: 0000000000000000 [ 41.382885] R13: 00007fff432c3a0f R14: 00007fcd91d6e9c0 R15: 0000000000000000 [ 41.383059] Dumping ftrace buffer: [ 41.383093] (ftrace buffer empty) [ 41.383099] Kernel Offset: disabled [ 42.013259] Rebooting in 86400 seconds..