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 2299.538 MHz processor [ 0.014000] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212580e5674, max_idle_ns: 440795296307 ns [ 0.015023] Calibrating delay loop (skipped), value calculated using timer frequency.. 4599.07 BogoMIPS (lpj=2299538) [ 0.016016] pid_max: default: 32768 minimum: 301 [ 0.017011] Security Framework initialized [ 0.017634] SELinux: Initializing. [ 0.039404] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.050386] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.052189] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.053241] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.056369] CPU: Physical Processor ID: 0 [ 0.057091] mce: CPU supports 32 MCE banks [ 0.058165] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 0.059017] 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 [ 0.063472] Freeing SMP alternatives memory: 92K [ 0.066000] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 0.067950] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 0.068434] Hierarchical SRCU implementation. [ 0.071723] smp: Bringing up secondary CPUs ... [ 0.073755] x86: Booting SMP configuration: [ 0.074019] .... node #0, CPUs: #1 [ 0.075242] smp: Brought up 1 node, 2 CPUs [ 0.076657] smpboot: Max logical packages: 1 [ 0.077030] smpboot: Total of 2 processors activated (9198.15 BogoMIPS) [ 0.082291] devtmpfs: initialized [ 0.087420] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.087798] kworker/u4:0 (21) used greatest stack depth: 58816 bytes left [ 0.088153] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.090652] xor: automatically using best checksumming function avx [ 0.096675] NET: Registered protocol family 16 [ 0.099304] audit: initializing netlink subsys (disabled) [ 0.100169] audit: type=2000 audit(1528826551.100:1): state=initialized audit_enabled=0 res=1 [ 0.106432] cpuidle: using governor menu [ 0.108127] ACPI: bus type PCI registered [ 0.109727] PCI: Using configuration type 1 for base access [ 0.127163] kworker/u4:1 (70) used greatest stack depth: 57808 bytes left [ 0.418635] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.421292] cryptd: max_cpu_qlen set to 1000 [ 0.440023] raid6: sse2x1 gen() 179 MB/s [ 0.456926] raid6: sse2x1 xor() 925 MB/s [ 0.473917] raid6: sse2x2 gen() 648 MB/s [ 0.490910] raid6: sse2x2 xor() 962 MB/s [ 0.507963] raid6: sse2x4 gen() 750 MB/s [ 0.524919] raid6: sse2x4 xor() 779 MB/s [ 0.541978] raid6: avx2x1 gen() 675 MB/s [ 0.558913] raid6: avx2x1 xor() 1822 MB/s [ 0.575909] raid6: avx2x2 gen() 1101 MB/s [ 0.592906] raid6: avx2x2 xor() 2011 MB/s [ 0.609939] raid6: avx2x4 gen() 1121 MB/s [ 0.626919] raid6: avx2x4 xor() 1351 MB/s [ 0.627023] raid6: using algorithm avx2x4 gen() 1121 MB/s [ 0.628024] raid6: .... xor() 1351 MB/s, rmw enabled [ 0.629021] raid6: using avx2x2 recovery algorithm [ 0.631351] ACPI: Added _OSI(Module Device) [ 0.632029] ACPI: Added _OSI(Processor Device) [ 0.632769] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.633033] ACPI: Added _OSI(Processor Aggregator Device) [ 0.634023] ACPI: Added _OSI(Linux-Dell-Video) [ 0.754136] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.164940] ACPI: Interpreter enabled [ 1.165174] ACPI: (supports S0 S3 S4 S5) [ 1.166019] ACPI: Using IOAPIC for interrupt routing [ 1.167234] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 1.170000] ACPI: Enabled 16 GPEs in block 00 to 0F [ 1.295492] kworker/u4:7 (907) used greatest stack depth: 57792 bytes left [ 1.683508] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 1.684054] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 1.685064] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 1.686114] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 1.690539] PCI host bridge to bus 0000:00 [ 1.691035] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 1.692042] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 1.693030] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 1.694030] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 1.695033] pci_bus 0000:00: root bus resource [bus 00-ff] [ 1.729237] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 1.788053] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 1.790708] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 1.793420] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 1.796018] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 1.798181] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 2.105911] vgaarb: loaded [ 2.109240] SCSI subsystem initialized [ 2.111237] ACPI: bus type USB registered [ 2.112404] usbcore: registered new interface driver usbfs [ 2.113342] usbcore: registered new interface driver hub [ 2.114315] usbcore: registered new device driver usb [ 2.116394] pps_core: LinuxPPS API ver. 1 registered [ 2.117030] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.119845] PTP clock support registered [ 2.122215] EDAC MC: Ver: 3.0.0 [ 2.125525] random: get_random_bytes called from ib_sa_init+0x39/0x340 with crng_init=0 [ 2.127815] Advanced Linux Sound Architecture Driver Initialized. [ 2.129358] PCI: Using ACPI for IRQ routing [ 2.132703] Bluetooth: Core ver 2.22 [ 2.133456] NET: Registered protocol family 31 [ 2.134022] Bluetooth: HCI device and connection manager initialized [ 2.136050] Bluetooth: HCI socket layer initialized [ 2.136050] Bluetooth: L2CAP socket layer initialized [ 2.137230] Bluetooth: SCO socket layer initialized [ 2.138043] NET: Registered protocol family 8 [ 2.139016] NET: Registered protocol family 20 [ 2.140149] NetLabel: Initializing [ 2.141017] NetLabel: domain hash size = 128 [ 2.141704] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 2.143168] NetLabel: unlabeled traffic allowed by default [ 2.145319] nfc: nfc_init: NFC Core ver 0.1 [ 2.146323] NET: Registered protocol family 39 [ 2.148564] clocksource: Switched to clocksource tsc-early [ 2.627514] VFS: Disk quotas dquot_6.6.0 [ 2.628375] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.629904] FS-Cache: Loaded [ 2.630983] CacheFiles: Loaded [ 2.631825] pnp: PnP ACPI init [ 2.641507] pnp: PnP ACPI: found 7 devices [ 2.692528] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 2.694605] NET: Registered protocol family 2 [ 2.696982] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes) [ 2.699715] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 2.706363] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) [ 2.710622] TCP: Hash tables configured (established 65536 bind 65536) [ 2.712145] UDP hash table entries: 4096 (order: 5, 131072 bytes) [ 2.714679] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes) [ 2.716716] NET: Registered protocol family 1 [ 2.719270] RPC: Registered named UNIX socket transport module. [ 2.720266] RPC: Registered udp transport module. [ 2.721000] RPC: Registered tcp transport module. [ 2.721777] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 2.724830] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 2.726739] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 2.727772] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ (ptrval)- (ptrval)] [ 2.730236] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer [ 2.731446] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 2.732381] RAPL PMU: hw unit of domain package 2^-0 Joules [ 2.733234] RAPL PMU: hw unit of domain dram 2^-16 Joules [ 2.738040] Scanning for low memory corruption every 60 seconds [ 2.749349] Initialise system trusted keyrings [ 2.752090] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 2.815051] DLM installed [ 2.828815] NFS: Registering the id_resolver key type [ 2.829780] Key type id_resolver registered [ 2.830467] Key type id_legacy registered [ 2.831124] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 2.832146] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 2.837675] ntfs: driver 2.1.32 [Flags: R/W]. [ 2.840198] fuse init (API version 7.26) [ 2.844841] JFS: nTxBlock = 8192, nTxLock = 65536 [ 2.869533] SGI XFS with ACLs, security attributes, realtime, no debug enabled [ 2.879656] 9p: Installing v9fs 9p2000 file system support [ 2.881261] FS-Cache: Netfs '9p' registered for caching [ 2.889044] gfs2: GFS2 installed [ 2.893888] FS-Cache: Netfs 'ceph' registered for caching [ 2.894954] ceph: loaded (mds proto 32) [ 3.743284] tsc: Refined TSC clocksource calibration: 2299.782 MHz [ 3.744581] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x21266755991, max_idle_ns: 440795279191 ns [ 3.747824] clocksource: Switched to clocksource tsc [ 6.604809] alg: No test for 842 (842-generic) [ 6.606200] alg: No test for 842 (842-scomp) [ 6.648308] NET: Registered protocol family 38 [ 6.973391] async_tx: api initialized (async) [ 6.973605] cryptomgr_test (1564) used greatest stack depth: 57440 bytes left [ 6.974248] Key type asymmetric registered [ 6.975997] Asymmetric key parser 'x509' registered [ 6.977113] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250) [ 6.978942] io scheduler noop registered [ 6.979638] io scheduler deadline registered [ 6.980817] io scheduler cfq registered (default) [ 6.981763] io scheduler mq-deadline registered [ 6.982435] io scheduler kyber registered [ 6.983182] io scheduler bfq registered [ 6.988461] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.990541] ACPI: Power Button [PWRF] [ 6.991999] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 6.993595] ACPI: Sleep Button [SLPF] [ 7.006797] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 7.007756] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.015908] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 7.016872] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.022137] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.045860] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.071732] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.097349] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.122992] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.132074] Non-volatile memory driver v1.3 [ 7.133924] Linux agpgart interface v0.103 [ 7.136654] [drm] radeon kernel modesetting enabled. [ 7.138666] [drm] amdgpu kernel modesetting enabled. [ 7.180541] brd: module loaded [ 7.201622] loop: module loaded [ 7.245316] null: module loaded [ 7.248297] nfcsim 0.2 initialized [ 7.251210] Loading iSCSI transport class v2.0-870. [ 7.271736] scsi host0: Virtio SCSI HBA [ 7.334274] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 7.515986] random: fast init done [ 7.888300] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 7.888394] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 7.891991] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 7.893400] Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011) [ 7.894148] sd 0:0:1:0: [sda] Write Protect is off [ 7.899216] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 7.913601] sda: sda1 [ 7.915291] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 7.926248] sd 0:0:1:0: [sda] Attached SCSI disk [ 7.929081] MACsec IEEE 802.1AE [ 7.930794] tun: Universal TUN/TAP device driver, 1.6 [ 7.956914] vcan: Virtual CAN interface driver [ 7.958394] vxcan: Virtual CAN Tunnel driver [ 7.959608] slcan: serial line CAN interface driver [ 7.960921] slcan: 10 dynamic interface channels. [ 7.962213] CAN device driver interface [ 7.963958] enic: Cisco VIC Ethernet NIC Driver, ver 2.3.0.53 [ 7.965747] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 7.967514] e100: Copyright(c) 1999-2006 Intel Corporation [ 7.969209] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 7.971174] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 7.972938] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 7.974436] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 7.976158] sky2: driver version 1.30 [ 7.978665] PPP generic driver version 2.4.2 [ 7.980815] PPP BSD Compression module registered [ 7.982159] PPP Deflate Compression module registered [ 7.983735] PPP MPPE Compression module registered [ 7.985075] NET: Registered protocol family 24 [ 7.986363] PPTP driver version 0.8.5 [ 7.988714] mac80211_hwsim: initializing netlink [ 8.004490] usbcore: registered new interface driver asix [ 8.006241] usbcore: registered new interface driver ax88179_178a [ 8.008211] usbcore: registered new interface driver cdc_ether [ 8.009816] usbcore: registered new interface driver net1080 [ 8.011528] usbcore: registered new interface driver cdc_subset [ 8.013355] usbcore: registered new interface driver zaurus [ 8.015142] usbcore: registered new interface driver cdc_ncm [ 8.024343] aoe: AoE v85 initialised. [ 8.026473] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.028370] ehci-pci: EHCI PCI platform driver [ 8.029873] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.031559] ohci-pci: OHCI PCI platform driver [ 8.032958] uhci_hcd: USB Universal Host Controller Interface driver [ 8.035154] usbcore: registered new interface driver usblp [ 8.036713] usbcore: registered new interface driver usb-storage [ 8.038953] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 8.041822] i8042: Warning: Keylock active [ 8.044503] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 8.045702] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 8.049320] mousedev: PS/2 mouse device common for all mice [ 8.052975] rtc_cmos 00:00: RTC can wake from S4 [ 8.055833] rtc_cmos 00:00: registered as rtc0 [ 8.057431] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 8.059880] i2c /dev entries driver [ 8.063111] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr [ 8.065970] i2c-parport-light: adapter type unspecified [ 8.067475] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF [ 8.069824] usbcore: registered new interface driver i2c-tiny-usb [ 8.075388] device-mapper: ioctl: 4.39.0-ioctl (2018-04-03) initialised: dm-devel@redhat.com [ 8.078649] device-mapper: raid: Loading target version 1.13.2 [ 8.080600] usbcore: registered new interface driver btusb [ 8.084216] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013) [ 8.086111] usnic_verbs:usnic_uiom_init:585: [ 8.086121] IOMMU required but not present or enabled. USNIC QPs will not function w/o enabling IOMMU [ 8.089821] usnic_verbs:usnic_ib_init:649: [ 8.089830] Unable to initalize umem with err -1 [ 8.093788] iscsi: registered transport (iser) [ 8.095064] OPA Virtual Network Driver - v1.0 [ 8.096377] hidraw: raw HID events driver (C) Jiri Kosina [ 8.101774] usbcore: registered new interface driver usbhid [ 8.103264] usbhid: USB HID core driver [ 8.110137] NET: Registered protocol family 40 [ 8.154200] NET: Registered protocol family 26 [ 8.155594] Mirror/redirect action on [ 8.156734] Simple TC action Loaded [ 8.159331] netem: version 1.3 [ 8.160401] u32 classifier [ 8.161094] Actions configured [ 8.164411] nf_conntrack_irc: failed to register helpers [ 8.165890] nf_conntrack_sane: failed to register helpers [ 8.200122] nf_conntrack_sip: failed to register helpers [ 8.205553] xt_time: kernel timezone is -0000 [ 8.206964] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) [ 8.208743] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 8.211124] IPVS: ipvs loaded. [ 8.211892] IPVS: [rr] scheduler registered. [ 8.213136] IPVS: [wrr] scheduler registered. [ 8.214274] IPVS: [lc] scheduler registered. [ 8.215494] IPVS: [wlc] scheduler registered. [ 8.216676] IPVS: [fo] scheduler registered. [ 8.217868] IPVS: [ovf] scheduler registered. [ 8.219134] IPVS: [lblc] scheduler registered. [ 8.220459] IPVS: [lblcr] scheduler registered. [ 8.221706] IPVS: [dh] scheduler registered. [ 8.222842] IPVS: [sh] scheduler registered. [ 8.224061] IPVS: [sed] scheduler registered. [ 8.225283] IPVS: [nq] scheduler registered. [ 8.226435] IPVS: ftp: loaded support on port[0] = 21 [ 8.227846] IPVS: [sip] pe registered. [ 8.229332] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.232592] gre: GRE over IPv4 demultiplexor driver [ 8.233945] ip_gre: GRE over IPv4 tunneling driver [ 8.240644] IPv4 over IPsec tunneling driver [ 8.244949] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully [ 8.246952] Initializing XFRM netlink socket [ 8.250635] NET: Registered protocol family 10 [ 8.256901] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 8.269564] Segment Routing with IPv6 [ 8.270966] mip6: Mobile IPv6 [ 8.275303] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 8.281320] ip6_gre: GRE over IPv6 tunneling driver [ 8.284951] NET: Registered protocol family 17 [ 8.286267] NET: Registered protocol family 15 [ 8.287645] Bridge firewalling registered [ 8.289565] can: controller area network core (rev 20170425 abi 9) [ 8.291458] NET: Registered protocol family 29 [ 8.292646] can: raw protocol (rev 20170425) [ 8.293731] can: broadcast manager protocol (rev 20170425 t) [ 8.295355] can: netlink gateway (rev 20170425) max_hops=1 [ 8.297762] Bluetooth: RFCOMM TTY layer initialized [ 8.299292] Bluetooth: RFCOMM socket layer initialized [ 8.300737] Bluetooth: RFCOMM ver 1.11 [ 8.301733] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 8.303107] Bluetooth: BNEP filters: protocol multicast [ 8.304402] Bluetooth: BNEP socket layer initialized [ 8.305825] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 8.307486] Bluetooth: HIDP socket layer initialized [ 8.309540] RPC: Registered rdma transport module. [ 8.310853] RPC: Registered rdma backchannel transport module. [ 8.312886] NET: Registered protocol family 41 [ 8.315221] lec:lane_module_init: lec.c: initialized [ 8.316575] mpoa:atm_mpoa_init: mpc.c: initialized [ 8.317885] l2tp_core: L2TP core driver, V2.0 [ 8.319105] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 8.320469] 8021q: 802.1Q VLAN Support v1.8 [ 8.352535] DCCP: Activated CCID 2 (TCP-like) [ 8.353844] DCCP: Activated CCID 3 (TCP-Friendly Rate Control) [ 8.358771] sctp: Hash tables configured (bind 256/256) [ 8.363578] NET: Registered protocol family 21 [ 8.365496] Registered RDS/infiniband transport [ 8.367172] Registered RDS/tcp transport [ 8.368355] tipc: Activated (version 2.0.0) [ 8.369684] NET: Registered protocol family 30 [ 8.371241] tipc: Started in single node mode [ 8.373439] NET: Registered protocol family 43 [ 8.374703] 9pnet: Installing 9P2000 support [ 8.379907] NET: Registered protocol family 36 [ 8.381562] Key type dns_resolver registered [ 8.382849] Key type ceph registered [ 8.384339] libceph: loaded (mon/osd proto 15/24) [ 8.385767] openvswitch: Open vSwitch switching datapath [ 8.388662] mpls_gso: MPLS GSO support [ 8.393776] sched_clock: Marking stable (8393016811, 0)->(8493447857, -100431046) [ 8.398709] registered taskstats version 1 [ 8.399930] Loading compiled-in X.509 certificates [ 8.408951] Btrfs loaded, crc32c=crc32c-generic [ 8.418150] Key type big_key registered [ 8.424600] console [netcon0] enabled [ 8.425641] netconsole: network logging started [ 8.427228] gtp: GTP module loaded (pdp ctx size 104 bytes) [ 8.430103] rdma_rxe: loaded [ 8.431307] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 8.681454] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 8.762985] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 8.765173] ALSA device list: [ 8.765278] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 8.766187] #0: Dummy 1 [ 8.768545] cfg80211: failed to load regulatory.db [ 8.769384] #1: Loopback 1 [ 8.771585] #2: Virtual MIDI Card 1 [ 8.773563] md: Waiting for all devices to be available before autodetect [ 8.774605] md: If you don't use raid, use raid=noautodetect [ 8.777660] md: Autodetecting RAID arrays. [ 8.778363] md: autorun ... [ 8.778780] md: ... autorun DONE. [ 8.819559] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null) [ 8.820806] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. [ 8.829470] devtmpfs: mounted [ 8.838942] Freeing unused kernel memory: 4464K [ 8.839715] Kernel memory protection disabled. [ 8.987319] SELinux: Disabled at runtime. [ 9.015260] audit: type=1404 audit(1528826560.014:2): selinux=0 auid=4294967295 ses=4294967295 INIT: version 2.88 booting [ 9.106217] stty (2157) used greatest stack depth: 56040 bytes left [info] Using makefile-style concurrent boot in runlevel S. [....] Starting the hotplug events dispatcher: udevd[ 10.102688] 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. [ 17.850536] 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 [ 22.832273] logsave (3796) 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. [ 24.708082] random: dd: uninitialized urandom read (512 bytes read) [....] Configuring network interfaces...[ 25.051576] ip (4179) 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/ Listening on LPF[ 25.472577] ================================================================== [ 25.479996] BUG: KMSAN: uninit-value in receive_buf+0x324e/0x6ae0 [ 25.486229] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.17.0+ #4 [ 25.492368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.501715] Call Trace: [ 25.504304] [ 25.506458] dump_stack+0x185/0x1d0 [ 25.510084] kmsan_report+0x188/0x2a0 [ 25.513883] __msan_warning_32+0x70/0xc0 [ 25.517954] receive_buf+0x324e/0x6ae0 [ 25.521851] virtnet_poll+0xac2/0x1540 [ 25.525747] ? refill_work+0x2c0/0x2c0 [ 25.529632] net_rx_action+0x766/0x1a80 [ 25.533620] ? net_tx_action+0xad0/0xad0 /eth0/42:01:0a:8[ 25.537691] __do_softirq+0x592/0x979 0:0a:2b Sending[ 25.542876] irq_exit+0x202/0x240 on LPF/eth0/4[ 25.547707] exiting_irq+0xe/0x10 2:01:0a:80:0a:2b[ 25.552532] do_IRQ+0x17d/0x1c0 Sending on S[ 25.557186] common_interrupt+0xf/0xf [ 25.562366] ocket/fallback [ 25.564613] RIP: 0010:default_idle+0x20b/0x3e0 DHCPDISCOVER on [ 25.570549] RSP: 0018:ffffffff8ac0fd90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffd8 [ 25.579637] RAX: ffff8801fd432f18 RBX: 0000000000000000 RCX: ffff880000000000 eth0 to 255.255.[ 25.586899] RDX: ffff8801fd032f18 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 25.595534] RBP: ffffffff8ac0fdc8 R08: 0000000001080020 R09: 0000000000000002 255.255 port 67 [ 25.602794] R10: 0000000000000000 R11: ffffffff89fef830 R12: ffffffff8ac0fe2f interval 6 [ 25.611435] R13: ffffffff8ac372c0 R14: ffffffff8ac0fe2c R15: ffffffff8ac37b98 [ 25.619740] ? __cpuidle_text_start+0x8/0x8 [ 25.624055] ? __cpuidle_text_start+0x8/0x8 [ 25.628363] arch_cpu_idle+0x26/0x30 [ 25.632065] do_idle+0x36d/0x830 [ 25.635411] cpu_startup_entry+0x45/0x50 [ 25.639452] rest_init+0x1c1/0x1f0 [ 25.642996] ? hpet_time_init+0xb0/0xe0 [ 25.646966] start_kernel+0x1110/0x1120 [ 25.650918] x86_64_start_kernel+0xe4/0xf0 [ 25.655134] secondary_startup_64+0xa5/0xb0 [ 25.659445] [ 25.661054] Uninit was stored to memory at: [ 25.665363] kmsan_internal_chain_origin+0x12b/0x210 [ 25.670448] __msan_chain_origin+0x69/0xc0 [ 25.674671] receive_buf+0x2dbb/0x6ae0 [ 25.678536] virtnet_poll+0xac2/0x1540 [ 25.682402] net_rx_action+0x766/0x1a80 [ 25.686374] __do_softirq+0x592/0x979 [ 25.690151] Uninit was created at: [ 25.693676] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 25.698671] kmsan_alloc_page+0x82/0xe0 [ 25.702624] __alloc_pages_nodemask+0xf7b/0x5cc0 [ 25.707370] alloc_pages_current+0x6b1/0x970 [ 25.711760] skb_page_frag_refill+0x3ba/0x5e0 [ 25.716240] try_fill_recv+0x3d5/0x2580 [ 25.720196] virtnet_open+0x188/0x600 [ 25.723976] __dev_open+0x613/0x840 [ 25.727598] __dev_change_flags+0x401/0xb60 [ 25.731918] dev_change_flags+0xca/0x230 [ 25.735965] do_setlink+0x165b/0x6010 [ 25.739758] rtnl_newlink+0x2b33/0x37a0 [ 25.743732] rtnetlink_rcv_msg+0xa44/0x1570 [ 25.748064] netlink_rcv_skb+0x37e/0x600 [ 25.752116] rtnetlink_rcv+0x50/0x60 [ 25.755809] netlink_unicast+0x1680/0x1750 [ 25.760038] netlink_sendmsg+0x104f/0x1350 [ 25.764269] ___sys_sendmsg+0xec8/0x1320 [ 25.768318] __x64_sys_sendmsg+0x331/0x460 [ 25.772537] do_syscall_64+0x15b/0x230 [ 25.776407] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 25.781569] ================================================================== [ 25.788911] Disabling lock debugging due to kernel taint [ 25.794350] Kernel panic - not syncing: panic_on_warn set ... [ 25.794350] [ 25.801697] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 4.17.0+ #4 [ 25.809231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.818570] Call Trace: [ 25.821133] [ 25.823268] dump_stack+0x185/0x1d0 [ 25.826887] panic+0x3d0/0x990 [ 25.830078] kmsan_report+0x29e/0x2a0 [ 25.833882] __msan_warning_32+0x70/0xc0 [ 25.837923] receive_buf+0x324e/0x6ae0 [ 25.841817] virtnet_poll+0xac2/0x1540 [ 25.845710] ? refill_work+0x2c0/0x2c0 [ 25.849600] net_rx_action+0x766/0x1a80 [ 25.853584] ? net_tx_action+0xad0/0xad0 [ 25.857651] __do_softirq+0x592/0x979 [ 25.861543] irq_exit+0x202/0x240 [ 25.865008] exiting_irq+0xe/0x10 [ 25.868467] do_IRQ+0x17d/0x1c0 [ 25.871757] common_interrupt+0xf/0xf [ 25.875546] [ 25.877789] RIP: 0010:default_idle+0x20b/0x3e0 [ 25.882364] RSP: 0018:ffffffff8ac0fd90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffd8 [ 25.890079] RAX: ffff8801fd432f18 RBX: 0000000000000000 RCX: ffff880000000000 [ 25.897441] RDX: ffff8801fd032f18 RSI: aaaaaaaaaaaab000 RDI: ffffea0000000000 [ 25.904716] RBP: ffffffff8ac0fdc8 R08: 0000000001080020 R09: 0000000000000002 [ 25.911994] R10: 0000000000000000 R11: ffffffff89fef830 R12: ffffffff8ac0fe2f [ 25.919274] R13: ffffffff8ac372c0 R14: ffffffff8ac0fe2c R15: ffffffff8ac37b98 [ 25.926579] ? __cpuidle_text_start+0x8/0x8 [ 25.930923] ? __cpuidle_text_start+0x8/0x8 [ 25.935305] arch_cpu_idle+0x26/0x30 [ 25.939033] do_idle+0x36d/0x830 [ 25.942417] cpu_startup_entry+0x45/0x50 [ 25.946494] rest_init+0x1c1/0x1f0 [ 25.950042] ? hpet_time_init+0xb0/0xe0 [ 25.954024] start_kernel+0x1110/0x1120 [ 25.958025] x86_64_start_kernel+0xe4/0xf0 [ 25.962295] secondary_startup_64+0xa5/0xb0 [ 25.967111] Dumping ftrace buffer: [ 25.970644] (ftrace buffer empty) [ 25.974342] Kernel Offset: disabled [ 25.977952] Rebooting in 86400 seconds..