ooting the kernel. [ 0.000000] Linux version 4.17.0+ (syzkaller@ci) (clang version 7.0.0 (trunk 334104)) #3 SMP Tue Jun 12 17:16:14 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 [ 0.000000] APIC: Switch to symmetric I/O mode setup [ 0.001000] x2apic: IRQ remapping doesn't support X2APIC mode [ 0.005000] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 0.011000] tsc: PIT calibration matches PMTIMER. 1 loops [ 0.012000] tsc: Detected 2299.803 MHz processor [ 0.013000] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x21267aeb7b4, max_idle_ns: 440795247387 ns [ 0.014028] Calibrating delay loop (skipped), value calculated using timer frequency.. 4599.60 BogoMIPS (lpj=2299803) [ 0.015016] pid_max: default: 32768 minimum: 301 [ 0.015924] Security Framework initialized [ 0.016025] SELinux: Initializing. [ 0.039410] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.052049] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.053332] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.054252] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.057525] CPU: Physical Processor ID: 0 [ 0.058097] mce: CPU supports 32 MCE banks [ 0.059204] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 0.060018] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 0.061028] Spectre V2 : Mitigation: Full generic retpoline [ 0.061825] Speculative Store Bypass: Vulnerable [ 0.064285] Freeing SMP alternatives memory: 92K [ 0.067000] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 0.068721] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 0.069434] Hierarchical SRCU implementation. [ 0.072702] smp: Bringing up secondary CPUs ... [ 0.074926] x86: Booting SMP configuration: [ 0.075026] .... node #0, CPUs: #1 [ 0.076209] smp: Brought up 1 node, 2 CPUs [ 0.077613] smpboot: Max logical packages: 1 [ 0.078026] smpboot: Total of 2 processors activated (9199.21 BogoMIPS) [ 0.082495] devtmpfs: initialized [ 0.087846] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.088393] kworker/u4:0 (21) used greatest stack depth: 58816 bytes left [ 0.089124] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.091624] xor: automatically using best checksumming function avx [ 0.097027] NET: Registered protocol family 16 [ 0.099597] audit: initializing netlink subsys (disabled) [ 0.102535] audit: type=2000 audit(1528823971.101:1): state=initialized audit_enabled=0 res=1 [ 0.105634] cpuidle: using governor menu [ 0.107329] ACPI: bus type PCI registered [ 0.108772] PCI: Using configuration type 1 for base access [ 0.112127] kworker/u4:2 (44) used greatest stack depth: 57808 bytes left [ 0.117997] kworker/u4:2 (52) used greatest stack depth: 57792 bytes left [ 0.356741] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.359277] cryptd: max_cpu_qlen set to 1000 [ 0.378483] raid6: sse2x1 gen() 113 MB/s [ 0.396032] raid6: sse2x1 xor() 925 MB/s [ 0.413066] raid6: sse2x2 gen() 535 MB/s [ 0.430030] raid6: sse2x2 xor() 1007 MB/s [ 0.447067] raid6: sse2x4 gen() 722 MB/s [ 0.464054] raid6: sse2x4 xor() 767 MB/s [ 0.481078] raid6: avx2x1 gen() 656 MB/s [ 0.498026] raid6: avx2x1 xor() 1833 MB/s [ 0.515074] raid6: avx2x2 gen() 1031 MB/s [ 0.532025] raid6: avx2x2 xor() 1988 MB/s [ 0.549043] raid6: avx2x4 gen() 1042 MB/s [ 0.566040] raid6: avx2x4 xor() 1390 MB/s [ 0.566769] raid6: using algorithm avx2x4 gen() 1042 MB/s [ 0.567015] raid6: .... xor() 1390 MB/s, rmw enabled [ 0.568018] raid6: using avx2x2 recovery algorithm [ 0.569856] ACPI: Added _OSI(Module Device) [ 0.570056] ACPI: Added _OSI(Processor Device) [ 0.571018] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.571702] ACPI: Added _OSI(Processor Aggregator Device) [ 0.572023] ACPI: Added _OSI(Linux-Dell-Video) [ 0.690339] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.082618] ACPI: Interpreter enabled [ 1.083184] ACPI: (supports S0 S3 S4 S5) [ 1.084018] ACPI: Using IOAPIC for interrupt routing [ 1.084961] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 1.086687] ACPI: Enabled 16 GPEs in block 00 to 0F [ 1.555517] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 1.556056] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 1.557067] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 1.558117] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 1.561537] PCI host bridge to bus 0000:00 [ 1.562040] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 1.563028] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 1.564029] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 1.565032] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 1.566033] pci_bus 0000:00: root bus resource [bus 00-ff] [ 1.596128] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 1.651443] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 1.654351] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 1.657231] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 1.659725] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 1.661333] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 1.961271] vgaarb: loaded [ 1.963552] SCSI subsystem initialized [ 1.965231] ACPI: bus type USB registered [ 1.966255] usbcore: registered new interface driver usbfs [ 1.967197] usbcore: registered new interface driver hub [ 1.968810] usbcore: registered new device driver usb [ 1.970131] pps_core: LinuxPPS API ver. 1 registered [ 1.970915] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 1.971093] PTP clock support registered [ 1.972687] EDAC MC: Ver: 3.0.0 [ 1.975414] random: get_random_bytes called from ib_sa_init+0x39/0x340 with crng_init=0 [ 1.978167] Advanced Linux Sound Architecture Driver Initialized. [ 1.979239] PCI: Using ACPI for IRQ routing [ 1.981583] Bluetooth: Core ver 2.22 [ 1.982155] NET: Registered protocol family 31 [ 1.983019] Bluetooth: HCI device and connection manager initialized [ 1.983030] Bluetooth: HCI socket layer initialized [ 1.984023] Bluetooth: L2CAP socket layer initialized [ 1.985097] Bluetooth: SCO socket layer initialized [ 1.986044] NET: Registered protocol family 8 [ 1.986660] NET: Registered protocol family 20 [ 1.987138] NetLabel: Initializing [ 1.988016] NetLabel: domain hash size = 128 [ 1.988683] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 1.990068] NetLabel: unlabeled traffic allowed by default [ 1.991785] nfc: nfc_init: NFC Core ver 0.1 [ 1.992521] NET: Registered protocol family 39 [ 1.994478] clocksource: Switched to clocksource tsc-early [ 2.488849] VFS: Disk quotas dquot_6.6.0 [ 2.489685] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.491197] FS-Cache: Loaded [ 2.492419] CacheFiles: Loaded [ 2.493558] pnp: PnP ACPI init [ 2.503807] pnp: PnP ACPI: found 7 devices [ 2.557255] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 2.559407] NET: Registered protocol family 2 [ 2.562057] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes) [ 2.564928] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 2.571220] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) [ 2.575669] TCP: Hash tables configured (established 65536 bind 65536) [ 2.578309] UDP hash table entries: 4096 (order: 5, 131072 bytes) [ 2.580193] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes) [ 2.582194] NET: Registered protocol family 1 [ 2.584627] RPC: Registered named UNIX socket transport module. [ 2.585561] RPC: Registered udp transport module. [ 2.586320] RPC: Registered tcp transport module. [ 2.587095] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 2.589880] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 2.591919] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 2.592965] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ (ptrval)- (ptrval)] [ 2.595618] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer [ 2.596887] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 2.597826] RAPL PMU: hw unit of domain package 2^-0 Joules [ 2.598647] RAPL PMU: hw unit of domain dram 2^-16 Joules [ 2.604204] Scanning for low memory corruption every 60 seconds [ 2.614384] Initialise system trusted keyrings [ 2.618660] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 2.682300] DLM installed [ 2.696929] NFS: Registering the id_resolver key type [ 2.698188] Key type id_resolver registered [ 2.698965] Key type id_legacy registered [ 2.699691] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 2.700686] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 2.705877] ntfs: driver 2.1.32 [Flags: R/W]. [ 2.709031] fuse init (API version 7.26) [ 2.713648] JFS: nTxBlock = 8192, nTxLock = 65536 [ 2.740469] SGI XFS with ACLs, security attributes, realtime, no debug enabled [ 2.751333] 9p: Installing v9fs 9p2000 file system support [ 2.752698] FS-Cache: Netfs '9p' registered for caching [ 2.762111] gfs2: GFS2 installed [ 2.767062] FS-Cache: Netfs 'ceph' registered for caching [ 2.768119] ceph: loaded (mds proto 32) [ 3.615229] tsc: Refined TSC clocksource calibration: 2299.807 MHz [ 3.616404] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x21267ef1be2, max_idle_ns: 440795317114 ns [ 3.618381] clocksource: Switched to clocksource tsc [ 6.613014] alg: No test for 842 (842-generic) [ 6.614346] alg: No test for 842 (842-scomp) [ 6.657551] NET: Registered protocol family 38 [ 6.994568] async_tx: api initialized (async) [ 6.994798] cryptomgr_test (1564) used greatest stack depth: 57440 bytes left [ 6.995472] Key type asymmetric registered [ 6.997253] Asymmetric key parser 'x509' registered [ 6.998250] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250) [ 7.000148] io scheduler noop registered [ 7.000779] io scheduler deadline registered [ 7.001986] io scheduler cfq registered (default) [ 7.003107] io scheduler mq-deadline registered [ 7.003789] io scheduler kyber registered [ 7.004592] io scheduler bfq registered [ 7.011443] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.012831] ACPI: Power Button [PWRF] [ 7.014401] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 7.016119] ACPI: Sleep Button [SLPF] [ 7.029749] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 7.030731] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.039947] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 7.040882] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.046546] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.070515] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.095614] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.120738] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.146026] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.153286] Non-volatile memory driver v1.3 [ 7.155811] Linux agpgart interface v0.103 [ 7.160461] [drm] radeon kernel modesetting enabled. [ 7.162310] [drm] amdgpu kernel modesetting enabled. [ 7.206135] brd: module loaded [ 7.228738] loop: module loaded [ 7.276205] null: module loaded [ 7.279514] nfcsim 0.2 initialized [ 7.282889] Loading iSCSI transport class v2.0-870. [ 7.311680] scsi host0: Virtio SCSI HBA [ 7.378756] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 7.571276] random: fast init done [ 7.972332] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 7.973342] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 7.975257] Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011) [ 7.975739] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 7.989304] sd 0:0:1:0: [sda] Write Protect is off [ 7.993706] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 7.998485] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 8.012920] MACsec IEEE 802.1AE [ 8.014207] tun: Universal TUN/TAP device driver, 1.6 [ 8.041932] sda: sda1 [ 8.042951] vcan: Virtual CAN interface driver [ 8.044177] vxcan: Virtual CAN Tunnel driver [ 8.045377] slcan: serial line CAN interface driver [ 8.046689] slcan: 10 dynamic interface channels. [ 8.049254] CAN device driver interface [ 8.049392] sd 0:0:1:0: [sda] Attached SCSI disk [ 8.050905] enic: Cisco VIC Ethernet NIC Driver, ver 2.3.0.53 [ 8.053350] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 8.054911] e100: Copyright(c) 1999-2006 Intel Corporation [ 8.056303] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 8.058072] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 8.059464] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 8.060898] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 8.062242] sky2: driver version 1.30 [ 8.064729] PPP generic driver version 2.4.2 [ 8.066898] PPP BSD Compression module registered [ 8.068081] PPP Deflate Compression module registered [ 8.069242] PPP MPPE Compression module registered [ 8.070243] NET: Registered protocol family 24 [ 8.071259] PPTP driver version 0.8.5 [ 8.073646] mac80211_hwsim: initializing netlink [ 8.088444] usbcore: registered new interface driver asix [ 8.091183] usbcore: registered new interface driver ax88179_178a [ 8.092689] usbcore: registered new interface driver cdc_ether [ 8.094146] usbcore: registered new interface driver net1080 [ 8.095619] usbcore: registered new interface driver cdc_subset [ 8.097636] usbcore: registered new interface driver zaurus [ 8.099216] usbcore: registered new interface driver cdc_ncm [ 8.109846] aoe: AoE v85 initialised. [ 8.111667] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.113293] ehci-pci: EHCI PCI platform driver [ 8.114324] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.115719] ohci-pci: OHCI PCI platform driver [ 8.116931] uhci_hcd: USB Universal Host Controller Interface driver [ 8.118935] usbcore: registered new interface driver usblp [ 8.120564] usbcore: registered new interface driver usb-storage [ 8.122711] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 8.126098] i8042: Warning: Keylock active [ 8.129052] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 8.130157] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 8.133597] mousedev: PS/2 mouse device common for all mice [ 8.138343] rtc_cmos 00:00: RTC can wake from S4 [ 8.140819] rtc_cmos 00:00: registered as rtc0 [ 8.142334] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 8.144284] i2c /dev entries driver [ 8.147974] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr [ 8.151402] i2c-parport-light: adapter type unspecified [ 8.153125] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF [ 8.155303] usbcore: registered new interface driver i2c-tiny-usb [ 8.160496] device-mapper: ioctl: 4.39.0-ioctl (2018-04-03) initialised: dm-devel@redhat.com [ 8.163671] device-mapper: raid: Loading target version 1.13.2 [ 8.169968] usbcore: registered new interface driver btusb [ 8.177928] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013) [ 8.185699] usnic_verbs:usnic_uiom_init:585: [ 8.185710] IOMMU required but not present or enabled. USNIC QPs will not function w/o enabling IOMMU [ 8.199669] usnic_verbs:usnic_ib_init:649: [ 8.199679] Unable to initalize umem with err -1 [ 8.210922] iscsi: registered transport (iser) [ 8.215572] OPA Virtual Network Driver - v1.0 [ 8.220402] hidraw: raw HID events driver (C) Jiri Kosina [ 8.233613] usbcore: registered new interface driver usbhid [ 8.239373] usbhid: USB HID core driver [ 8.244656] NET: Registered protocol family 40 [ 8.295615] NET: Registered protocol family 26 [ 8.300394] Mirror/redirect action on [ 8.304321] Simple TC action Loaded [ 8.309695] netem: version 1.3 [ 8.313040] u32 classifier [ 8.315900] Actions configured [ 8.322163] nf_conntrack_irc: failed to register helpers [ 8.327744] nf_conntrack_sane: failed to register helpers [ 8.344368] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 8.377532] nf_conntrack_sip: failed to register helpers [ 8.386266] xt_time: kernel timezone is -0000 [ 8.390992] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) [ 8.398543] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 8.406539] IPVS: ipvs loaded. [ 8.409755] IPVS: [rr] scheduler registered. [ 8.414185] IPVS: [wrr] scheduler registered. [ 8.418715] IPVS: [lc] scheduler registered. [ 8.423134] IPVS: [wlc] scheduler registered. [ 8.427638] IPVS: [fo] scheduler registered. [ 8.432079] IPVS: [ovf] scheduler registered. [ 8.436623] IPVS: [lblc] scheduler registered. [ 8.441257] IPVS: [lblcr] scheduler registered. [ 8.445950] IPVS: [dh] scheduler registered. [ 8.450377] IPVS: [sh] scheduler registered. [ 8.454796] IPVS: [sed] scheduler registered. [ 8.459304] IPVS: [nq] scheduler registered. [ 8.463752] IPVS: ftp: loaded support on port[0] = 21 [ 8.468972] IPVS: [sip] pe registered. [ 8.473379] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.480837] gre: GRE over IPv4 demultiplexor driver [ 8.485892] ip_gre: GRE over IPv4 tunneling driver [ 8.497231] IPv4 over IPsec tunneling driver [ 8.505006] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully [ 8.511820] Initializing XFRM netlink socket [ 8.518878] NET: Registered protocol family 10 [ 8.534846] Segment Routing with IPv6 [ 8.538985] mip6: Mobile IPv6 [ 8.546202] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 8.556988] ip6_gre: GRE over IPv6 tunneling driver [ 8.564231] NET: Registered protocol family 17 [ 8.568968] NET: Registered protocol family 15 [ 8.573729] Bridge firewalling registered [ 8.578787] can: controller area network core (rev 20170425 abi 9) [ 8.585330] NET: Registered protocol family 29 [ 8.589963] can: raw protocol (rev 20170425) [ 8.594390] can: broadcast manager protocol (rev 20170425 t) [ 8.600229] can: netlink gateway (rev 20170425) max_hops=1 [ 8.608270] Bluetooth: RFCOMM TTY layer initialized [ 8.613362] Bluetooth: RFCOMM socket layer initialized [ 8.618707] Bluetooth: RFCOMM ver 1.11 [ 8.622649] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 8.628130] Bluetooth: BNEP filters: protocol multicast [ 8.633527] Bluetooth: BNEP socket layer initialized [ 8.638647] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 8.644733] Bluetooth: HIDP socket layer initialized [ 8.650792] RPC: Registered rdma transport module. [ 8.655763] RPC: Registered rdma backchannel transport module. [ 8.662352] NET: Registered protocol family 41 [ 8.667674] lec:lane_module_init: lec.c: initialized [ 8.672853] mpoa:atm_mpoa_init: mpc.c: initialized [ 8.677950] l2tp_core: L2TP core driver, V2.0 [ 8.682503] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 8.687451] 8021q: 802.1Q VLAN Support v1.8 [ 8.724531] DCCP: Activated CCID 2 (TCP-like) [ 8.729215] DCCP: Activated CCID 3 (TCP-Friendly Rate Control) [ 8.739915] sctp: Hash tables configured (bind 256/256) [ 8.748347] NET: Registered protocol family 21 [ 8.753552] Registered RDS/infiniband transport [ 8.758524] Registered RDS/tcp transport [ 8.762607] tipc: Activated (version 2.0.0) [ 8.767218] NET: Registered protocol family 30 [ 8.772237] tipc: Started in single node mode [ 8.778841] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 8.780459] NET: Registered protocol family 43 [ 8.793343] 9pnet: Installing 9P2000 support [ 8.802559] NET: Registered protocol family 36 [ 8.807581] Key type dns_resolver registered [ 8.812144] Key type ceph registered [ 8.816497] libceph: loaded (mon/osd proto 15/24) [ 8.821568] openvswitch: Open vSwitch switching datapath [ 8.828800] mpls_gso: MPLS GSO support [ 8.837147] sched_clock: Marking stable (8837016812, 0)->(8939308823, -102292011) [ 8.847975] registered taskstats version 1 [ 8.852253] Loading compiled-in X.509 certificates [ 8.865838] Btrfs loaded, crc32c=crc32c-generic [ 8.880225] Key type big_key registered [ 8.890549] console [netcon0] enabled [ 8.894465] netconsole: network logging started [ 8.899598] gtp: GTP module loaded (pdp ctx size 104 bytes) [ 8.907142] rdma_rxe: loaded [ 8.910611] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 9.254057] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 9.261252] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 9.261261] ALSA device list: [ 9.261286] #0: Dummy 1 [ 9.270176] cfg80211: failed to load regulatory.db [ 9.273306] #1: Loopback 1 [ 9.273327] #2: Virtual MIDI Card 1 [ 9.289068] md: Waiting for all devices to be available before autodetect [ 9.296124] md: If you don't use raid, use raid=noautodetect [ 9.304519] md: Autodetecting RAID arrays. [ 9.308816] md: autorun ... [ 9.311767] md: ... autorun DONE. [ 9.341196] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null) [ 9.349274] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. [ 9.396125] devtmpfs: mounted [ 9.408750] Freeing unused kernel memory: 4464K [ 9.413484] Kernel memory protection disabled. [ 9.661448] SELinux: Disabled at runtime. [ 9.690260] audit: type=1404 audit(1528823980.689:2): selinux=0 auid=4294967295 ses=4294967295 INIT: version 2.88 booting [info] Using makefile-style concurrent boot in runlevel S. [ 10.323290] mount (2203) used greatest stack depth: 56680 bytes left [ 10.488363] touch (2207) used greatest stack depth: 56040 bytes left [....] Starting the hotplug events dispatcher: udevd[ 10.962313] 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. [ 19.012979] 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 [ 24.201203] logsave (3804) 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. [ 26.166493] random: dd: uninitialized urandom read (512 bytes read) [....] Configuring network interfaces...[ 26.466244] ip (4187) 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/eth0/42:01:0a:80:0a:25 Sending on LPF/eth0/42:01:0a:80:0a:25 Sending on Soc[ 26.974741] ================================================================== [ 26.982166] BUG: KMSAN: kernel-infoleak in copy_page_to_iter+0x754/0x1b70 [ 26.989092] CPU: 1 PID: 4206 Comm: dhclient Not tainted 4.17.0+ #3 [ 26.995395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.004739] Call Trace: [ 27.007333] dump_stack+0x185/0x1d0 [ 27.010955] kmsan_report+0x188/0x2a0 [ 27.014750] kmsan_internal_check_memory+0x17e/0x1f0 [ 27.019847] ? _cond_resched+0x3c/0xd0 [ 27.023727] kmsan_copy_to_user+0x7a/0x160 [ 27.027966] copy_page_to_iter+0x754/0x1b70 [ 27.032280] skb_copy_datagram_iter+0x7f2/0xfa0 [ 27.036947] packet_recvmsg+0x75a/0x1d10 [ 27.040998] ? security_socket_recvmsg+0xa4/0x220 [ 27.045830] ? packet_sendmsg+0x8cc0/0x8cc0 [ 27.050138] sock_read_iter+0x40a/0x480 [ 27.054102] ? kernel_sock_ip_overhead+0x340/0x340 [ 27.059028] __vfs_read+0x775/0x9d0 [ 27.062656] vfs_read+0x36c/0x6b0 [ 27.066103] __x64_sys_read+0x1bf/0x3e0 [ 27.070069] ? ksys_read+0x360/0x360 [ 27.073781] do_syscall_64+0x15b/0x230 [ 27.077660] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.082847] RIP: 0033:0x7ff51f003310 [ 27.086566] RSP: 002b:00007ffd0f6ddff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 27.094279] RAX: ffffffffffffffda RBX: 000055e4769f6a50 RCX: 00007ff51f003310 [ 27.101552] RDX: 0000000000000600 RSI: 00007ffd0f6de010 RDI: 0000000000000004 [ 27.109360] RBP: 0000000000000001 R08: 00007ffd0f6de6a0 R09: 000000000000c8fe [ 27.116630] R10: 003a0c56d5385d0c R11: 0000000000000246 R12: 00007ffd0f6de6a0 [ 27.123883] R13: 00007ffd0f6de670 R14: 00007ffd0f6de6c0 R15: 00007ff51f453010 [ 27.131139] [ 27.132743] Uninit was created at: [ 27.136291] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 27.141302] kmsan_alloc_page+0x82/0xe0 [ 27.145259] __alloc_pages_nodemask+0xf7b/0x5cc0 [ 27.150168] alloc_pages_current+0x6b1/0x970 [ 27.154558] skb_page_frag_refill+0x3ba/0x5e0 [ 27.159048] try_fill_recv+0x3d5/0x2580 [ 27.163034] virtnet_open+0x188/0x600 [ 27.166825] __dev_open+0x613/0x840 [ 27.170440] __dev_change_flags+0x401/0xb60 [ 27.174743] dev_change_flags+0xca/0x230 [ 27.178793] do_setlink+0x165b/0x6010 [ 27.182580] rtnl_newlink+0x2b33/0x37a0 [ 27.186541] rtnetlink_rcv_msg+0xa44/0x1570 [ 27.190842] netlink_rcv_skb+0x37e/0x600 [ 27.194883] rtnetlink_rcv+0x50/0x60 [ 27.198576] netlink_unicast+0x1680/0x1750 [ 27.202792] netlink_sendmsg+0x104f/0x1350 [ 27.207008] ___sys_sendmsg+0xec8/0x1320 [ 27.211064] __x64_sys_sendmsg+0x331/0x460 [ 27.215307] do_syscall_64+0x15b/0x230 [ 27.219209] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.224387] [ 27.226009] Bytes 316-327 of 328 are uninitialized [ 27.230932] Memory access starts at ffff88019568808c [ 27.236025] ================================================================== [ 27.243375] Disabling lock debugging due to kernel taint [ 27.248808] Kernel panic - not syncing: panic_on_warn set ... [ 27.248808] [ 27.256154] CPU: 1 PID: 4206 Comm: dhclient Tainted: G B 4.17.0+ #3 [ 27.263836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.273168] Call Trace: [ 27.275748] dump_stack+0x185/0x1d0 [ 27.279359] panic+0x3d0/0x990 [ 27.282538] kmsan_report+0x29e/0x2a0 [ 27.286333] kmsan_internal_check_memory+0x17e/0x1f0 [ 27.291432] ? _cond_resched+0x3c/0xd0 [ 27.295306] kmsan_copy_to_user+0x7a/0x160 [ 27.299527] copy_page_to_iter+0x754/0x1b70 [ 27.303846] skb_copy_datagram_iter+0x7f2/0xfa0 [ 27.308509] packet_recvmsg+0x75a/0x1d10 [ 27.312569] ? security_socket_recvmsg+0xa4/0x220 [ 27.317422] ? packet_sendmsg+0x8cc0/0x8cc0 [ 27.321761] sock_read_iter+0x40a/0x480 [ 27.325742] ? kernel_sock_ip_overhead+0x340/0x340 [ 27.330675] __vfs_read+0x775/0x9d0 [ 27.334316] vfs_read+0x36c/0x6b0 [ 27.337781] __x64_sys_read+0x1bf/0x3e0 [ 27.341764] ? ksys_read+0x360/0x360 [ 27.345479] do_syscall_64+0x15b/0x230 [ 27.349376] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.354566] RIP: 0033:0x7ff51f003310 [ 27.358277] RSP: 002b:00007ffd0f6ddff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 27.365987] RAX: ffffffffffffffda RBX: 000055e4769f6a50 RCX: 00007ff51f003310 [ 27.373254] RDX: 0000000000000600 RSI: 00007ffd0f6de010 RDI: 0000000000000004 [ 27.380523] RBP: 0000000000000001 R08: 00007ffd0f6de6a0 R09: 000000000000c8fe [ 27.387797] R10: 003a0c56d5385d0c R11: 0000000000000246 R12: 00007ffd0f6de6a0 [ 27.395068] R13: 00007ffd0f6de670 R14: 00007ffd0f6de6c0 R15: 00007ff51f453010 [ 27.402874] Dumping ftrace buffer: [ 27.406421] (ftrace buffer empty) [ 27.410108] Kernel Offset: disabled [ 27.413712] Rebooting in 86400 seconds..