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-1,10.128.15.223' (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: [ 51.914735] kvm: KVM_SET_TSS_ADDR need to be called before entering vcpu [ 51.941558] *** Guest State *** executing program [ 51.961533] CR0: actual=0x0000000080000031, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 [ 51.974071] CR4: actual=0x0000000000002051, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 [ 51.985492] CR3 = 0x00000000fffbc000 [ 51.991529] RSP = 0x000000000000fffa RIP = 0x0000000000000000 [ 51.997810] RFLAGS=0x00023000 DR7 = 0x0000000000000402 [ 52.003818] Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 executing program executing program executing program executing program executing program executing program [ 52.010506] CS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 52.018498] DS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 52.027138] SS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 52.035477] ES: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 52.050117] FS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 executing program executing program executing program [ 52.063306] GS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 52.077110] *** Guest State *** [ 52.077116] CR0: actual=0x0000000080000031, shadow=0x0000000060000010, gh_mask=fffffffffffffff7 [ 52.077121] CR4: actual=0x0000000000002051, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 [ 52.077124] CR3 = 0x00000000fffbc000 [ 52.077128] RSP = 0x000000000000fffa RIP = 0x0000000000000000 [ 52.077132] RFLAGS=0x00023000 DR7 = 0x0000000000000402 [ 52.077138] Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 [ 52.077143] CS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 52.077150] DS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 52.077157] SS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 52.077163] ES: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 52.077171] FS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 52.077178] GS: sel=0x0000, attr=0x000f3, limit=0x0000ffff, base=0x0000000000000000 [ 52.077183] GDTR: limit=0x0000ffff, base=0x0000000000000000 [ 52.077190] LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000 [ 52.077195] IDTR: limit=0x0000ffff, base=0x0000000000000000 [ 52.077202] TR: sel=0x0000, attr=0x0008b, limit=0x00002088, base=0x0000000000000000 [ 52.077206] EFER = 0x0000000000000000 PAT = 0x0007040600070406 [ 52.077211] DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 [ 52.077215] Interruptibility = 00000000 ActivityState = 00000000 [ 52.077218] *** Host State *** [ 52.077223] RIP = 0xffffffff811b9fa3 RSP = 0xffff8801cc90f4c8 [ 52.077231] CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 [ 52.077237] FSBase=00007fc1908da700 GSBase=ffff8801db200000 TRBase=ffff8801db2232c0 [ 52.077242] GDTBase=ffffffffff577000 IDTBase=ffffffffff57b000 [ 52.077247] CR0=0000000080050033 CR3=00000001d4b39000 CR4=00000000001426f0 [ 52.077253] Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84d77d70 [ 52.077259] EFER = 0x0000000000000d01 PAT = 0x0000000000000000 [ 52.077261] *** Control State *** [ 52.077265] PinBased=0000003f CPUBased=b699edfa SecondaryExec=00000042 [ 52.077268] EntryControls=0000d1ff ExitControls=0023efff [ 52.077273] ExceptionBitmap=ffffbfff PFECmask=00000000 PFECmatch=00000000 [ 52.077277] VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000 [ 52.077280] VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 [ 52.077284] reason=80000021 qualification=0000000000000000 [ 52.077287] IDTVectoring: info=00000000 errcode=00000000 [ 52.077290] TSC Offset = 0xffffffe18ce58461 [ 52.077294] EPT pointer = 0x00000001cd1b301e [ 52.097457] ------------[ cut here ]------------ [ 52.097472] WARNING: CPU: 1 PID: 3192 at arch/x86/kvm/x86.c:7265 kvm_arch_vcpu_ioctl_run+0x213/0x5c70 [ 52.097477] Kernel panic - not syncing: panic_on_warn set ... [ 52.097477] [ 52.097484] CPU: 1 PID: 3192 Comm: syzkaller023796 Not tainted 4.14.0-rc2-next-20170929+ #32 [ 52.097488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.097492] Call Trace: [ 52.097502] dump_stack+0x194/0x257 [ 52.097512] ? arch_local_irq_restore+0x53/0x53 [ 52.097533] panic+0x1e4/0x41c [ 52.097541] ? refcount_error_report+0x214/0x214 [ 52.097547] ? show_regs_print_info+0x65/0x65 [ 52.097568] ? kvm_arch_vcpu_ioctl_run+0x213/0x5c70 [ 52.097574] __warn+0x1c4/0x1e0 [ 52.097580] ? kvm_arch_vcpu_ioctl_run+0x213/0x5c70 [ 52.097590] report_bug+0x211/0x2d0 [ 52.097603] fixup_bug+0x40/0x90 [ 52.097610] do_trap+0x260/0x390 [ 52.097624] do_error_trap+0x120/0x390 [ 52.097640] ? do_trap+0x390/0x390 [ 52.097648] ? kvm_arch_vcpu_ioctl_run+0x213/0x5c70 [ 52.097654] ? fpu__initialize+0xed/0x650 [ 52.097663] ? fpu__save+0x6a0/0x6a0 [ 52.097670] ? lock_downgrade+0x990/0x990 [ 52.097681] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.097694] do_invalid_op+0x1b/0x20 [ 52.097701] invalid_op+0x18/0x20 [ 52.097706] RIP: 0010:kvm_arch_vcpu_ioctl_run+0x213/0x5c70 [ 52.097710] RSP: 0018:ffff8801cd3c7670 EFLAGS: 00010297 [ 52.097717] RAX: ffff8801ccb00180 RBX: ffff8801cd202000 RCX: ffff8801cca187dc [ 52.097721] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8801cca185f8 [ 52.097725] RBP: ffff8801cd3c7a40 R08: 0000000000000060 R09: 0000000000000001 [ 52.097728] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 52.097732] R13: 1ffff10039a78f72 R14: ffff8801d56bee00 R15: ffff8801cca183c0 [ 52.097756] ? unwind_get_return_address+0x61/0xa0 [ 52.097766] ? trace_hardirqs_off+0xd/0x10 [ 52.097773] ? _raw_spin_unlock_irqrestore+0xa6/0xba [ 52.097782] ? depot_save_stack+0x3b5/0x490 [ 52.097792] ? print_usage_bug+0x480/0x480 [ 52.097797] ? put_pid+0x177/0x1f0 [ 52.097805] ? save_stack+0xa3/0xd0 [ 52.097812] ? kvm_arch_vcpu_runnable+0x560/0x560 [ 52.097816] ? save_stack_trace+0x16/0x20 [ 52.097821] ? save_stack+0x43/0xd0 [ 52.097825] ? kasan_slab_free+0x71/0xc0 [ 52.097830] ? kmem_cache_free+0x77/0x280 [ 52.097834] ? put_pid+0x177/0x1f0 [ 52.097839] ? kvm_vcpu_ioctl+0xd75/0x1010 [ 52.097845] ? do_vfs_ioctl+0x1b1/0x1530 [ 52.097850] ? SyS_ioctl+0x8f/0xc0 [ 52.097855] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 52.097861] ? __init_waitqueue_head+0x97/0x140 [ 52.097869] ? wake_up_q+0xe0/0xe0 [ 52.097876] ? __lockdep_init_map+0xe4/0x650 [ 52.097882] ? check_noncircular+0x20/0x20 [ 52.097897] ? __wait_rcu_gp+0x25d/0x420 [ 52.097902] ? rcu_gp_is_normal+0x140/0x140 [ 52.097924] ? __lock_is_held+0xbc/0x140 [ 52.097933] ? put_pid+0x177/0x1f0 [ 52.097943] ? put_pid+0x177/0x1f0 [ 52.097949] ? rcu_read_lock_sched_held+0x108/0x120 [ 52.097956] ? put_pid_ns+0xe9/0x120 [ 52.097966] ? put_pid+0x184/0x1f0 [ 52.097973] ? task_active_pid_ns+0xd0/0xd0 [ 52.097982] ? __might_sleep+0x95/0x190 [ 52.097994] kvm_vcpu_ioctl+0x64c/0x1010 [ 52.097999] ? kvm_vcpu_ioctl+0x64c/0x1010 [ 52.098012] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 52.098028] ? lock_downgrade+0x990/0x990 [ 52.098042] ? __fget+0xbb/0x580 [ 52.098056] ? lock_release+0xd70/0xd70 [ 52.098066] ? __lock_is_held+0xbc/0x140 [ 52.098085] ? __fget+0x362/0x580 [ 52.098100] ? iterate_fd+0x3f0/0x3f0 [ 52.098106] ? rcu_pm_notify+0xc0/0xc0 [ 52.098119] ? lock_acquire+0x1d5/0x580 [ 52.098129] ? __kvm_gfn_to_hva_cache_init+0xbb0/0xbb0 [ 52.098135] do_vfs_ioctl+0x1b1/0x1530 [ 52.098140] ? do_raw_spin_trylock+0x190/0x190 [ 52.098151] ? ioctl_preallocate+0x2b0/0x2b0 [ 52.098162] ? selinux_capable+0x40/0x40 [ 52.098169] ? __lock_acquire+0x1c80/0x4620 [ 52.098178] ? lockdep_invariant_state+0x8b/0x120 [ 52.098185] ? syscall_return_slowpath+0x2b3/0x510 [ 52.098190] ? finish_task_switch+0x1aa/0x740 [ 52.098206] ? security_file_ioctl+0x89/0xb0 [ 52.098217] SyS_ioctl+0x8f/0xc0 [ 52.098228] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 52.098233] RIP: 0033:0x446039 [ 52.098236] RSP: 002b:00007fc18d0d2dc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010 [ 52.098243] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446039 [ 52.098246] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000008 [ 52.098250] RBP: 0000000000000086 R08: 00007fc18d0d3700 R09: 00007fc18d0d3700 [ 52.098254] R10: 00007fc18d0d3700 R11: 0000000000000202 R12: 0000000000000000 [ 52.098257] R13: 00007fffc307722f R14: 00007fc18d0d39c0 R15: 0000000000000000 [ 52.098430] Dumping ftrace buffer: [ 52.098464] (ftrace buffer empty) [ 52.098470] Kernel Offset: disabled [ 52.784868] Rebooting in 86400 seconds..