ooting the kernel. [ 0.000000] Linux version 4.17.0+ (syzkaller@ci) (clang version 7.0.0 (trunk 334104)) #4 SMP Tue Jun 12 17:58:27 UTC 2018 [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 nopcid [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bfff2fff] usable [ 0.000000] BIOS-e820: [mem 0x00000000bfff3000-0x00000000bfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000] bootconsole [earlyser0] enabled [ 0.000000] Malformed early option 'vsyscall' [ 0.000000] nopcid: PCID feature disabled [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.4 present. [ 0.000000] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000] e820: last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.000000] e820: last_pfn = 0xbfff3 max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f22b0-0x000f22bf] mapped at [ (ptrval)] [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Using GB pages for direct mapping [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F2270 000014 (v00 Google) [ 0.000000] ACPI: RSDT 0x00000000BFFF3430 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACP 0x00000000BFFFCF60 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000] ACPI: DSDT 0x00000000BFFF3470 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: FACS 0x00000000BFFFCF00 000040 [ 0.000000] ACPI: FACS 0x00000000BFFFCF00 000040 [ 0.000000] ACPI: SSDT 0x00000000BFFF65F0 00690D (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000] ACPI: APIC 0x00000000BFFF5D10 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000] ACPI: WAET 0x00000000BFFF5CE0 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000] ACPI: SRAT 0x00000000BFFF4C30 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.000000] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.000000] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.000000] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.000000] NODE_DATA(0) allocated [mem 0x21fffa000-0x21fffdfff] [ 0.000000] tsc: Using PIT calibration value [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.000000] node 0: [mem 0x0000000000100000-0x00000000bfff2fff] [ 0.000000] node 0: [mem 0x0000000100000000-0x000000021fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000021fffffff] [ 0.000000] Reserved but unavailable: 98 pages [ 0.000000] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.000000] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xbfff3000-0xbfffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.000000] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.000000] e820: [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns [ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1 [ 0.000000] setup_percpu: pcpu_fc_alloc(0, 0000000000200000, 0000000000200000)=ffff88021fc00000 [ 0.000000] percpu: Embedded 74 pages/cpu @ (ptrval) s262216 r8192 d32696 u1048576 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 1919867 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 nopcid [ 0.000000] Memory: 7434056K/7863876K available (149520K kernel code, 4553K rwdata, 7564K rodata, 4464K init, 9660K bss, 429820K reserved, 0K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 0.000000] Kernel/User page tables isolation: enabled [ 0.000000] __START_KERNEL_map: ffffffff80000000, end (__bss_stop): ffffffff8be8e000 [ 0.000000] __bss: ffffffff8b51f000-ffffffff8be8e000, __data: ffffffff8ac00000-ffffffff8b072580 [ 0.000000] upper start: ffff880000000000, end: ffff88000be8e000 [ 0.000000] Starting KernelMemorySanitizer [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.000000] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [ttyS0] enabled [ 0.000000] console [ttyS0] enabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] bootconsole [earlyser0] disabled [ 0.000000] ACPI: Core revision 20180313 [ 0.001000] APIC: Switch to symmetric I/O mode setup [ 0.002000] x2apic: IRQ remapping doesn't support X2APIC mode [ 0.006000] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 0.012000] tsc: PIT calibration matches PMTIMER. 1 loops [ 0.013000] tsc: Detected 2299.821 MHz processor [ 0.014000] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x21268c5bf96, max_idle_ns: 440795323231 ns [ 0.015024] Calibrating delay loop (skipped), value calculated using timer frequency.. 4599.64 BogoMIPS (lpj=2299821) [ 0.016024] pid_max: default: 32768 minimum: 301 [ 0.017259] Security Framework initialized [ 0.018025] SELinux: Initializing. [ 0.040396] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.052127] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.053313] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.054244] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.057585] CPU: Physical Processor ID: 0 [ 0.058083] mce: CPU supports 32 MCE banks [ 0.059054] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 0.059897] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 0.060029] Spectre V2 : Mitigation: Full generic retpoline [ 0.061013] Speculative Store Bypass: Vulnerable [ 0.064052] Freeing SMP alternatives memory: 92K [ 0.067000] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 0.068701] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 0.069415] Hierarchical SRCU implementation. [ 0.072277] smp: Bringing up secondary CPUs ... [ 0.074233] x86: Booting SMP configuration: [ 0.074835] .... node #0, CPUs: #1 [ 0.075529] smp: Brought up 1 node, 2 CPUs [ 0.077020] smpboot: Max logical packages: 1 [ 0.077640] smpboot: Total of 2 processors activated (9199.28 BogoMIPS) [ 0.082017] devtmpfs: initialized [ 0.086526] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.087540] kworker/u4:0 (21) used greatest stack depth: 58816 bytes left [ 0.088159] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.090618] xor: automatically using best checksumming function avx [ 0.096208] NET: Registered protocol family 16 [ 0.098737] audit: initializing netlink subsys (disabled) [ 0.100198] audit: type=2000 audit(1528826545.100:1): state=initialized audit_enabled=0 res=1 [ 0.107307] cpuidle: using governor menu [ 0.108641] ACPI: bus type PCI registered [ 0.110420] PCI: Using configuration type 1 for base access [ 0.133907] kworker/u4:1 (85) used greatest stack depth: 57808 bytes left [ 0.465497] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.468456] cryptd: max_cpu_qlen set to 1000 [ 0.487190] raid6: sse2x1 gen() 167 MB/s [ 0.504022] raid6: sse2x1 xor() 896 MB/s [ 0.521074] raid6: sse2x2 gen() 652 MB/s [ 0.538024] raid6: sse2x2 xor() 984 MB/s [ 0.555052] raid6: sse2x4 gen() 746 MB/s [ 0.572032] raid6: sse2x4 xor() 755 MB/s [ 0.589085] raid6: avx2x1 gen() 554 MB/s [ 0.606027] raid6: avx2x1 xor() 1785 MB/s [ 0.623060] raid6: avx2x2 gen() 1042 MB/s [ 0.640026] raid6: avx2x2 xor() 1953 MB/s [ 0.657055] raid6: avx2x4 gen() 1054 MB/s [ 0.674039] raid6: avx2x4 xor() 1300 MB/s [ 0.674671] raid6: using algorithm avx2x4 gen() 1054 MB/s [ 0.675014] raid6: .... xor() 1300 MB/s, rmw enabled [ 0.676026] raid6: using avx2x2 recovery algorithm [ 0.677911] ACPI: Added _OSI(Module Device) [ 0.678051] ACPI: Added _OSI(Processor Device) [ 0.679033] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.680018] ACPI: Added _OSI(Processor Aggregator Device) [ 0.680852] ACPI: Added _OSI(Linux-Dell-Video) [ 0.799093] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.194405] ACPI: Interpreter enabled [ 1.195211] ACPI: (supports S0 S3 S4 S5) [ 1.195780] ACPI: Using IOAPIC for interrupt routing [ 1.196219] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 1.198513] ACPI: Enabled 16 GPEs in block 00 to 0F [ 1.664125] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 1.665059] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 1.666064] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 1.667116] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 1.671065] PCI host bridge to bus 0000:00 [ 1.671767] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 1.672030] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 1.673028] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 1.674029] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 1.675029] pci_bus 0000:00: root bus resource [bus 00-ff] [ 1.707150] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 1.759265] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 1.762374] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 1.765108] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 1.767770] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 1.769303] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 2.066133] vgaarb: loaded [ 2.068342] SCSI subsystem initialized [ 2.070024] ACPI: bus type USB registered [ 2.070966] usbcore: registered new interface driver usbfs [ 2.071178] usbcore: registered new interface driver hub [ 2.072222] usbcore: registered new device driver usb [ 2.074235] pps_core: LinuxPPS API ver. 1 registered [ 2.074976] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.075106] PTP clock support registered [ 2.078133] EDAC MC: Ver: 3.0.0 [ 2.081138] random: get_random_bytes called from ib_sa_init+0x39/0x340 with crng_init=0 [ 2.084201] Advanced Linux Sound Architecture Driver Initialized. [ 2.085392] PCI: Using ACPI for IRQ routing [ 2.088606] Bluetooth: Core ver 2.22 [ 2.089473] NET: Registered protocol family 31 [ 2.090484] Bluetooth: HCI device and connection manager initialized [ 2.091304] Bluetooth: HCI socket layer initialized [ 2.093000] Bluetooth: L2CAP socket layer initialized [ 2.093154] Bluetooth: SCO socket layer initialized [ 2.094051] NET: Registered protocol family 8 [ 2.094751] NET: Registered protocol family 20 [ 2.096008] NetLabel: Initializing [ 2.096019] NetLabel: domain hash size = 128 [ 2.097014] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 2.098204] NetLabel: unlabeled traffic allowed by default [ 2.100303] nfc: nfc_init: NFC Core ver 0.1 [ 2.101729] NET: Registered protocol family 39 [ 2.103345] clocksource: Switched to clocksource tsc-early [ 2.584747] VFS: Disk quotas dquot_6.6.0 [ 2.585543] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.587045] FS-Cache: Loaded [ 2.588181] CacheFiles: Loaded [ 2.589125] pnp: PnP ACPI init [ 2.598975] pnp: PnP ACPI: found 7 devices [ 2.650081] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 2.652199] NET: Registered protocol family 2 [ 2.654437] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes) [ 2.657042] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 2.663092] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) [ 2.667345] TCP: Hash tables configured (established 65536 bind 65536) [ 2.669542] UDP hash table entries: 4096 (order: 5, 131072 bytes) [ 2.671289] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes) [ 2.673160] NET: Registered protocol family 1 [ 2.675332] RPC: Registered named UNIX socket transport module. [ 2.676211] RPC: Registered udp transport module. [ 2.676912] RPC: Registered tcp transport module. [ 2.677626] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 2.680396] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 2.682225] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 2.683174] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ (ptrval)- (ptrval)] [ 2.685484] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer [ 2.686671] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 2.687507] RAPL PMU: hw unit of domain package 2^-0 Joules [ 2.688301] RAPL PMU: hw unit of domain dram 2^-16 Joules [ 2.693051] Scanning for low memory corruption every 60 seconds [ 2.703770] Initialise system trusted keyrings [ 2.706688] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 2.768993] DLM installed [ 2.782934] NFS: Registering the id_resolver key type [ 2.784013] Key type id_resolver registered [ 2.784682] Key type id_legacy registered [ 2.785299] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 2.786244] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 2.791358] ntfs: driver 2.1.32 [Flags: R/W]. [ 2.793701] fuse init (API version 7.26) [ 2.797854] JFS: nTxBlock = 8192, nTxLock = 65536 [ 2.823552] SGI XFS with ACLs, security attributes, realtime, no debug enabled [ 2.833725] 9p: Installing v9fs 9p2000 file system support [ 2.834941] FS-Cache: Netfs '9p' registered for caching [ 2.842807] gfs2: GFS2 installed [ 2.847863] FS-Cache: Netfs 'ceph' registered for caching [ 2.848721] ceph: loaded (mds proto 32) [ 3.743216] tsc: Refined TSC clocksource calibration: 2299.810 MHz [ 3.744187] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212681e5452, max_idle_ns: 440795304881 ns [ 3.746403] clocksource: Switched to clocksource tsc [ 6.534344] cryptomgr_test (1528) used greatest stack depth: 57776 bytes left [ 6.538819] alg: No test for 842 (842-generic) [ 6.539956] alg: No test for 842 (842-scomp) [ 6.580892] NET: Registered protocol family 38 [ 6.899565] async_tx: api initialized (async) [ 6.899772] cryptomgr_test (1564) used greatest stack depth: 57440 bytes left [ 6.900384] Key type asymmetric registered [ 6.902196] Asymmetric key parser 'x509' registered [ 6.903098] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250) [ 6.904783] io scheduler noop registered [ 6.905450] io scheduler deadline registered [ 6.906571] io scheduler cfq registered (default) [ 6.907552] io scheduler mq-deadline registered [ 6.908246] io scheduler kyber registered [ 6.908912] io scheduler bfq registered [ 6.914173] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.916688] ACPI: Power Button [PWRF] [ 6.918182] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 6.919800] ACPI: Sleep Button [SLPF] [ 6.934539] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 6.935412] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 6.943857] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 6.944722] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 6.949776] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 6.973300] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 6.998161] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.023018] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.047726] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.055198] Non-volatile memory driver v1.3 [ 7.056846] Linux agpgart interface v0.103 [ 7.061182] [drm] radeon kernel modesetting enabled. [ 7.062997] [drm] amdgpu kernel modesetting enabled. [ 7.105137] brd: module loaded [ 7.126483] loop: module loaded [ 7.172498] null: module loaded [ 7.175279] nfcsim 0.2 initialized [ 7.176787] Loading iSCSI transport class v2.0-870. [ 7.198805] scsi host0: Virtio SCSI HBA [ 7.261366] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 7.440356] random: fast init done [ 7.817671] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 7.818737] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 7.820829] Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011) [ 7.821163] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 7.827010] sd 0:0:1:0: [sda] Write Protect is off [ 7.828943] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 7.836132] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 7.853374] MACsec IEEE 802.1AE [ 7.854848] tun: Universal TUN/TAP device driver, 1.6 [ 7.886249] vcan: Virtual CAN interface driver [ 7.887112] vxcan: Virtual CAN Tunnel driver [ 7.887782] slcan: serial line CAN interface driver [ 7.888874] slcan: 10 dynamic interface channels. [ 7.888954] sda: sda1 [ 7.889980] CAN device driver interface [ 7.893845] enic: Cisco VIC Ethernet NIC Driver, ver 2.3.0.53 [ 7.896147] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 7.897526] e100: Copyright(c) 1999-2006 Intel Corporation [ 7.898860] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 7.899181] sd 0:0:1:0: [sda] Attached SCSI disk [ 7.900662] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 7.900901] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 7.904185] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 7.905744] sky2: driver version 1.30 [ 7.908005] PPP generic driver version 2.4.2 [ 7.909829] PPP BSD Compression module registered [ 7.911044] PPP Deflate Compression module registered [ 7.912232] PPP MPPE Compression module registered [ 7.913337] NET: Registered protocol family 24 [ 7.914122] PPTP driver version 0.8.5 [ 7.916683] mac80211_hwsim: initializing netlink [ 7.933213] usbcore: registered new interface driver asix [ 7.934817] usbcore: registered new interface driver ax88179_178a [ 7.936291] usbcore: registered new interface driver cdc_ether [ 7.937700] usbcore: registered new interface driver net1080 [ 7.939191] usbcore: registered new interface driver cdc_subset [ 7.940545] usbcore: registered new interface driver zaurus [ 7.942173] usbcore: registered new interface driver cdc_ncm [ 7.951774] aoe: AoE v85 initialised. [ 7.953424] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 7.954941] ehci-pci: EHCI PCI platform driver [ 7.955929] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 7.957234] ohci-pci: OHCI PCI platform driver [ 7.958072] uhci_hcd: USB Universal Host Controller Interface driver [ 7.959764] usbcore: registered new interface driver usblp [ 7.961306] usbcore: registered new interface driver usb-storage [ 7.963232] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 7.965982] i8042: Warning: Keylock active [ 7.969603] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 7.970429] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 7.973688] mousedev: PS/2 mouse device common for all mice [ 7.977833] rtc_cmos 00:00: RTC can wake from S4 [ 7.980207] rtc_cmos 00:00: registered as rtc0 [ 7.981498] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 7.983195] i2c /dev entries driver [ 7.986359] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr [ 7.989641] i2c-parport-light: adapter type unspecified [ 7.990948] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF [ 7.992749] usbcore: registered new interface driver i2c-tiny-usb [ 7.997781] device-mapper: ioctl: 4.39.0-ioctl (2018-04-03) initialised: dm-devel@redhat.com [ 7.999903] device-mapper: raid: Loading target version 1.13.2 [ 8.001245] usbcore: registered new interface driver btusb [ 8.004491] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013) [ 8.006180] usnic_verbs:usnic_uiom_init:585: [ 8.006198] IOMMU required but not present or enabled. USNIC QPs will not function w/o enabling IOMMU [ 8.008622] usnic_verbs:usnic_ib_init:649: [ 8.008632] Unable to initalize umem with err -1 [ 8.011919] iscsi: registered transport (iser) [ 8.013328] OPA Virtual Network Driver - v1.0 [ 8.014704] hidraw: raw HID events driver (C) Jiri Kosina [ 8.023749] usbcore: registered new interface driver usbhid [ 8.025228] usbhid: USB HID core driver [ 8.029231] NET: Registered protocol family 40 [ 8.073391] NET: Registered protocol family 26 [ 8.074555] Mirror/redirect action on [ 8.075482] Simple TC action Loaded [ 8.077793] netem: version 1.3 [ 8.078787] u32 classifier [ 8.079482] Actions configured [ 8.082488] nf_conntrack_irc: failed to register helpers [ 8.083777] nf_conntrack_sane: failed to register helpers [ 8.117717] nf_conntrack_sip: failed to register helpers [ 8.122769] xt_time: kernel timezone is -0000 [ 8.123979] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) [ 8.125575] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 8.127219] IPVS: ipvs loaded. [ 8.127848] IPVS: [rr] scheduler registered. [ 8.128876] IPVS: [wrr] scheduler registered. [ 8.129886] IPVS: [lc] scheduler registered. [ 8.130792] IPVS: [wlc] scheduler registered. [ 8.131837] IPVS: [fo] scheduler registered. [ 8.132908] IPVS: [ovf] scheduler registered. [ 8.133916] IPVS: [lblc] scheduler registered. [ 8.135059] IPVS: [lblcr] scheduler registered. [ 8.136195] IPVS: [dh] scheduler registered. [ 8.137191] IPVS: [sh] scheduler registered. [ 8.138317] IPVS: [sed] scheduler registered. [ 8.139394] IPVS: [nq] scheduler registered. [ 8.140405] IPVS: ftp: loaded support on port[0] = 21 [ 8.141326] IPVS: [sip] pe registered. [ 8.142442] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.145429] gre: GRE over IPv4 demultiplexor driver [ 8.146682] ip_gre: GRE over IPv4 tunneling driver [ 8.153106] IPv4 over IPsec tunneling driver [ 8.157907] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully [ 8.159346] Initializing XFRM netlink socket [ 8.162671] NET: Registered protocol family 10 [ 8.173981] Segment Routing with IPv6 [ 8.174995] mip6: Mobile IPv6 [ 8.179344] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 8.184532] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 8.186156] ip6_gre: GRE over IPv6 tunneling driver [ 8.192238] NET: Registered protocol family 17 [ 8.196222] NET: Registered protocol family 15 [ 8.197613] Bridge firewalling registered [ 8.200074] can: controller area network core (rev 20170425 abi 9) [ 8.201597] NET: Registered protocol family 29 [ 8.202643] can: raw protocol (rev 20170425) [ 8.203546] can: broadcast manager protocol (rev 20170425 t) [ 8.204764] can: netlink gateway (rev 20170425) max_hops=1 [ 8.206407] Bluetooth: RFCOMM TTY layer initialized [ 8.207535] Bluetooth: RFCOMM socket layer initialized [ 8.208666] Bluetooth: RFCOMM ver 1.11 [ 8.209424] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 8.210270] Bluetooth: BNEP filters: protocol multicast [ 8.211223] Bluetooth: BNEP socket layer initialized [ 8.212126] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 8.213151] Bluetooth: HIDP socket layer initialized [ 8.214746] RPC: Registered rdma transport module. [ 8.215875] RPC: Registered rdma backchannel transport module. [ 8.217780] NET: Registered protocol family 41 [ 8.219125] lec:lane_module_init: lec.c: initialized [ 8.220357] mpoa:atm_mpoa_init: mpc.c: initialized [ 8.221563] l2tp_core: L2TP core driver, V2.0 [ 8.222371] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 8.223341] 8021q: 802.1Q VLAN Support v1.8 [ 8.255263] DCCP: Activated CCID 2 (TCP-like) [ 8.256459] DCCP: Activated CCID 3 (TCP-Friendly Rate Control) [ 8.260853] sctp: Hash tables configured (bind 256/256) [ 8.264781] NET: Registered protocol family 21 [ 8.266568] Registered RDS/infiniband transport [ 8.267754] Registered RDS/tcp transport [ 8.268654] tipc: Activated (version 2.0.0) [ 8.269817] NET: Registered protocol family 30 [ 8.271203] tipc: Started in single node mode [ 8.273059] NET: Registered protocol family 43 [ 8.274401] 9pnet: Installing 9P2000 support [ 8.279543] NET: Registered protocol family 36 [ 8.280990] Key type dns_resolver registered [ 8.282182] Key type ceph registered [ 8.283503] libceph: loaded (mon/osd proto 15/24) [ 8.284926] openvswitch: Open vSwitch switching datapath [ 8.287726] mpls_gso: MPLS GSO support [ 8.293360] sched_clock: Marking stable (8293025478, 0)->(8390495491, -97470013) [ 8.298097] registered taskstats version 1 [ 8.299162] Loading compiled-in X.509 certificates [ 8.307452] Btrfs loaded, crc32c=crc32c-generic [ 8.316611] Key type big_key registered [ 8.322841] console [netcon0] enabled [ 8.323918] netconsole: network logging started [ 8.325254] gtp: GTP module loaded (pdp ctx size 104 bytes) [ 8.327789] rdma_rxe: loaded [ 8.328746] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.609744] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 8.657621] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.659408] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.660147] ALSA device list: [ 8.661591] cfg80211: failed to load regulatory.db [ 8.662336] #0: Dummy 1 [ 8.664273] #1: Loopback 1 [ 8.664943] #2: Virtual MIDI Card 1 [ 8.668438] md: Waiting for all devices to be available before autodetect [ 8.669412] md: If you don't use raid, use raid=noautodetect [ 8.672477] md: Autodetecting RAID arrays. [ 8.673150] md: autorun ... [ 8.673564] md: ... autorun DONE. [ 8.815853] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null) [ 8.817196] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. [ 8.909196] devtmpfs: mounted [ 8.917709] Freeing unused kernel memory: 4464K [ 8.918518] Kernel memory protection disabled. [ 9.526371] SELinux: Disabled at runtime. [ 9.554202] audit: type=1404 audit(1528826554.553:2): selinux=0 auid=4294967295 ses=4294967295 INIT: version 2.88 booting [info] [ 10.069465] echo (2165) used greatest stack depth: 56040 bytes left Using makefile-style concurrent boot in runlevel S. [....] Starting the hotplug events dispatcher: udevd[ 11.140528] udevd[2269]: starting version 175 [?25l[?1c7[ ok 8[?25h[?0c. [....] Synthesizing the initial hotplug events...[?25l[?1c7[ ok 8[?25h[?0cdone. [....] Waiting for /dev to be fully populated...[?25l[?1c7[ ok 8[?25h[?0cdone. [....] Activating swap...[?25l[?1c7[ ok 8[?25h[?0cdone. [ 19.252733] EXT4-fs (sda1): re-mounted. Opts: (null) [....] Creating compatibility symlink from /etc/mtab to /proc/mounts. ...[?25l[?1c7[warn8[?25h[?0c (warning). [....] Cleaning up temporary files... /tmp[?25l[?1c7[ ok 8[?25h[?0c. [....] Activating lvm and md swap...[?25l[?1c7[ ok 8[?25h[?0cdone. [....] Checking file systems...fsck from util-linux 2.20.1 [ 24.273161] logsave (3753) used greatest stack depth: 55440 bytes left [?25l[?1c7[ ok 8[?25h[?0cdone. [....] Mounting local filesystems...[?25l[?1c7[ ok 8[?25h[?0cdone. [....] Activating swapfile swap...[?25l[?1c7[ ok 8[?25h[?0cdone. [....] Cleaning up temporary files...[?25l[?1c7[ ok 8[?25h[?0c. [....] Setting kernel variables ...sysctl: cannot stat /proc/sys/kernel/watchdog_thresh: No such file or directory sysctl: cannot stat /proc/sys/kernel/softlockup_all_cpu_backtrace: No such file or directory [?25l[?1c7[ ok 8[?25h[?0cdone. [ 26.185341] random: dd: uninitialized urandom read (512 bytes read) [....] Configuring network interfaces...[ 26.427589] ip (4136) used greatest stack depth: 54560 bytes left Internet Systems Consortium DHCP Client 4.2.2 Copyright 2004-2011 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ [ 27.159301] ================================================================== [ 27.166660] BUG: KMSAN: uninit-value in receive_buf+0x324e/0x6ae0 [ 27.172872] CPU: 0 PID: 2166 Comm: startpar Not tainted 4.17.0+ #4 [ 27.179162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.188495] Call Trace: [ 27.191057] [ 27.193194] dump_stack+0x185/0x1d0 [ 27.196798] kmsan_report+0x188/0x2a0 [ 27.200574] __msan_warning_32+0x70/0xc0 [ 27.204612] receive_buf+0x324e/0x6ae0 [ 27.208484] virtnet_poll+0xac2/0x1540 [ 27.212352] ? refill_work+0x2c0/0x2c0 [ 27.216216] net_rx_action+0x766/0x1a80 [ 27.220172] ? net_tx_action+0xad0/0xad0 [ 27.224210] __do_softirq+0x592/0x979 [ 27.227988] irq_exit+0x202/0x240 [ 27.231420] exiting_irq+0xe/0x10 [ 27.234850] do_IRQ+0x17d/0x1c0 [ 27.238106] common_interrupt+0xf/0xf [ 27.241877] [ 27.244091] RIP: 0010:kstat_irqs_usr+0xc/0x350 [ 27.248646] RSP: 0018:ffff8801cb46f738 EFLAGS: 00000293 ORIG_RAX: ffffffffffffffd8 [ 27.256327] RAX: ffffffff820099a5 RBX: 000000000000016c RCX: ffff8801d22dd7c0 [ 27.263573] RDX: 0000000000000000 RSI: aaaaaaaaaaaab000 RDI: 000000000000016c [ 27.270830] RBP: ffff8801cb46f758 R08: 0000000001080000 R09: 0000000000000001 [ 27.278081] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 27.285327] R13: ffff8801d22de098 R14: 00000000000001b8 R15: 0000000000000040 [ 27.292585] ? show_stat+0x2795/0x2d70 [ 27.296472] show_stat+0x27ba/0x2d70 [ 27.300185] ? stat_open+0x100/0x100 [ 27.303874] seq_read+0xc75/0x2270 [ 27.307395] ? seq_open+0x380/0x380 [ 27.310994] proc_reg_read+0x1e3/0x2f0 [ 27.314860] ? proc_reg_llseek+0x260/0x260 [ 27.319079] __vfs_read+0x1b2/0x9d0 [ 27.322695] vfs_read+0x36c/0x6b0 [ 27.326125] __x64_sys_read+0x1bf/0x3e0 [ 27.330079] ? ksys_read+0x360/0x360 [ 27.333768] do_syscall_64+0x15b/0x230 [ 27.337636] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.342804] RIP: 0033:0x7fe9bde79310 [ 27.346488] RSP: 002b:00007ffe0be4b138 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 27.354170] RAX: ffffffffffffffda RBX: 00000000016616d0 RCX: 00007fe9bde79310 [ 27.361415] RDX: 0000000000000400 RSI: 00007fe9be350000 RDI: 0000000000000004 [ 27.368660] RBP: 00000000000007ff R08: 00000000ffffffff R09: 0000000000000000 [ 27.375904] R10: 0000000000000022 R11: 0000000000000246 R12: 000000000000000a [ 27.383156] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe0be4b1f0 [ 27.390402] [ 27.392002] Uninit was stored to memory at: [ 27.396308] kmsan_internal_chain_origin+0x12b/0x210 [ 27.401383] __msan_chain_origin+0x69/0xc0 [ 27.405593] receive_buf+0x2dbb/0x6ae0 [ 27.409454] virtnet_poll+0xac2/0x1540 [ 27.413316] net_rx_action+0x766/0x1a80 [ 27.417265] __do_softirq+0x592/0x979 [ 27.421038] Uninit was created at: [ 27.424559] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 27.429551] kmsan_alloc_page+0x82/0xe0 [ 27.433500] __alloc_pages_nodemask+0xf7b/0x5cc0 [ 27.438231] alloc_pages_current+0x6b1/0x970 [ 27.442614] skb_page_frag_refill+0x3ba/0x5e0 [ 27.447090] try_fill_recv+0x3d5/0x2580 [ 27.451054] virtnet_open+0x188/0x600 [ 27.454836] __dev_open+0x613/0x840 [ 27.458442] __dev_change_flags+0x401/0xb60 [ 27.462748] dev_change_flags+0xca/0x230 [ 27.466783] do_setlink+0x165b/0x6010 [ 27.470567] rtnl_newlink+0x2b33/0x37a0 [ 27.474520] rtnetlink_rcv_msg+0xa44/0x1570 [ 27.478825] netlink_rcv_skb+0x37e/0x600 [ 27.482859] rtnetlink_rcv+0x50/0x60 [ 27.486549] netlink_unicast+0x1680/0x1750 [ 27.490756] netlink_sendmsg+0x104f/0x1350 [ 27.494965] ___sys_sendmsg+0xec8/0x1320 [ 27.498999] __x64_sys_sendmsg+0x331/0x460 [ 27.503214] do_syscall_64+0x15b/0x230 [ 27.507085] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.512253] ================================================================== [ 27.519587] Disabling lock debugging due to kernel taint [ 27.525023] Kernel panic - not syncing: panic_on_warn set ... [ 27.525023] [ 27.532373] CPU: 0 PID: 2166 Comm: startpar Tainted: G B 4.17.0+ #4 [ 27.540055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.549398] Call Trace: [ 27.551952] [ 27.554081] dump_stack+0x185/0x1d0 [ 27.557689] panic+0x3d0/0x990 [ 27.560864] kmsan_report+0x29e/0x2a0 [ 27.564640] __msan_warning_32+0x70/0xc0 [ 27.568677] receive_buf+0x324e/0x6ae0 [ 27.572555] virtnet_poll+0xac2/0x1540 [ 27.576419] ? refill_work+0x2c0/0x2c0 [ 27.580294] net_rx_action+0x766/0x1a80 [ 27.584248] ? net_tx_action+0xad0/0xad0 [ 27.588286] __do_softirq+0x592/0x979 [ 27.592070] irq_exit+0x202/0x240 [ 27.595504] exiting_irq+0xe/0x10 [ 27.598931] do_IRQ+0x17d/0x1c0 [ 27.602184] common_interrupt+0xf/0xf [ 27.605953] [ 27.608168] RIP: 0010:kstat_irqs_usr+0xc/0x350 [ 27.612723] RSP: 0018:ffff8801cb46f738 EFLAGS: 00000293 ORIG_RAX: ffffffffffffffd8 [ 27.620414] RAX: ffffffff820099a5 RBX: 000000000000016c RCX: ffff8801d22dd7c0 [ 27.627659] RDX: 0000000000000000 RSI: aaaaaaaaaaaab000 RDI: 000000000000016c [ 27.634911] RBP: ffff8801cb46f758 R08: 0000000001080000 R09: 0000000000000001 [ 27.642155] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 27.649400] R13: ffff8801d22de098 R14: 00000000000001b8 R15: 0000000000000040 [ 27.656655] ? show_stat+0x2795/0x2d70 [ 27.660521] show_stat+0x27ba/0x2d70 [ 27.664224] ? stat_open+0x100/0x100 [ 27.667914] seq_read+0xc75/0x2270 [ 27.671435] ? seq_open+0x380/0x380 [ 27.675049] proc_reg_read+0x1e3/0x2f0 [ 27.678923] ? proc_reg_llseek+0x260/0x260 [ 27.683135] __vfs_read+0x1b2/0x9d0 [ 27.686742] vfs_read+0x36c/0x6b0 [ 27.690173] __x64_sys_read+0x1bf/0x3e0 [ 27.694124] ? ksys_read+0x360/0x360 [ 27.697815] do_syscall_64+0x15b/0x230 [ 27.701683] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.706845] RIP: 0033:0x7fe9bde79310 [ 27.710539] RSP: 002b:00007ffe0be4b138 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 27.718221] RAX: ffffffffffffffda RBX: 00000000016616d0 RCX: 00007fe9bde79310 [ 27.725464] RDX: 0000000000000400 RSI: 00007fe9be350000 RDI: 0000000000000004 [ 27.732708] RBP: 00000000000007ff R08: 00000000ffffffff R09: 0000000000000000 [ 27.739952] R10: 0000000000000022 R11: 0000000000000246 R12: 000000000000000a [ 27.747198] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffe0be4b1f0 [ 27.754926] Dumping ftrace buffer: [ 27.758442] (ftrace buffer empty) [ 27.762125] Kernel Offset: disabled [ 27.765726] Rebooting in 86400 seconds..