ooting the kernel. [ 0.000000] Linux version 4.17.0+ (syzkaller@ci) (clang version 7.0.0 (trunk 334104)) #1 SMP Tue Jun 12 09:39:28 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 2299.731 MHz processor [ 0.013000] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x2126370afbe, max_idle_ns: 440795257171 ns [ 0.014021] Calibrating delay loop (skipped), value calculated using timer frequency.. 4599.46 BogoMIPS (lpj=2299731) [ 0.015015] pid_max: default: 32768 minimum: 301 [ 0.016242] Security Framework initialized [ 0.017021] SELinux: Initializing. [ 0.039397] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.051377] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.052303] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.053247] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.056788] CPU: Physical Processor ID: 0 [ 0.057080] mce: CPU supports 32 MCE banks [ 0.058187] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 0.059032] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 0.060032] Spectre V2 : Mitigation: Full generic retpoline [ 0.061014] Speculative Store Bypass: Vulnerable [ 0.063651] Freeing SMP alternatives memory: 92K [ 0.066000] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 0.067651] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 0.069328] Hierarchical SRCU implementation. [ 0.072158] smp: Bringing up secondary CPUs ... [ 0.074091] x86: Booting SMP configuration: [ 0.074691] .... node #0, CPUs: #1 [ 0.075360] smp: Brought up 1 node, 2 CPUs [ 0.076633] smpboot: Max logical packages: 1 [ 0.077025] smpboot: Total of 2 processors activated (9198.92 BogoMIPS) [ 0.081481] devtmpfs: initialized [ 0.086323] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.087547] kworker/u4:0 (21) used greatest stack depth: 58816 bytes left [ 0.088156] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.090215] xor: automatically using best checksumming function avx [ 0.095967] NET: Registered protocol family 16 [ 0.098506] audit: initializing netlink subsys (disabled) [ 0.100063] audit: type=2000 audit(1528796981.100:1): state=initialized audit_enabled=0 res=1 [ 0.106699] cpuidle: using governor menu [ 0.108138] ACPI: bus type PCI registered [ 0.109680] PCI: Using configuration type 1 for base access [ 0.130679] kworker/u4:1 (76) used greatest stack depth: 57808 bytes left [ 0.455397] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.458133] cryptd: max_cpu_qlen set to 1000 [ 0.477221] raid6: sse2x1 gen() 121 MB/s [ 0.494039] raid6: sse2x1 xor() 923 MB/s [ 0.511120] raid6: sse2x2 gen() 542 MB/s [ 0.528024] raid6: sse2x2 xor() 1013 MB/s [ 0.545035] raid6: sse2x4 gen() 699 MB/s [ 0.562028] raid6: sse2x4 xor() 744 MB/s [ 0.579224] raid6: avx2x1 gen() 214 MB/s [ 0.597030] raid6: avx2x1 xor() 1828 MB/s [ 0.614051] raid6: avx2x2 gen() 1003 MB/s [ 0.631027] raid6: avx2x2 xor() 2005 MB/s [ 0.648041] raid6: avx2x4 gen() 1097 MB/s [ 0.665023] raid6: avx2x4 xor() 1359 MB/s [ 0.665707] raid6: using algorithm avx2x4 gen() 1097 MB/s [ 0.666016] raid6: .... xor() 1359 MB/s, rmw enabled [ 0.667017] raid6: using avx2x2 recovery algorithm [ 0.668919] ACPI: Added _OSI(Module Device) [ 0.669048] ACPI: Added _OSI(Processor Device) [ 0.670020] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.671018] ACPI: Added _OSI(Processor Aggregator Device) [ 0.671820] ACPI: Added _OSI(Linux-Dell-Video) [ 0.788534] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.178621] ACPI: Interpreter enabled [ 1.179207] ACPI: (supports S0 S3 S4 S5) [ 1.180020] ACPI: Using IOAPIC for interrupt routing [ 1.181047] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 1.183820] ACPI: Enabled 16 GPEs in block 00 to 0F [ 1.708401] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 1.709059] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 1.710066] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 1.711113] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 1.714428] PCI host bridge to bus 0000:00 [ 1.715037] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 1.716041] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 1.717030] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 1.718029] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 1.719029] pci_bus 0000:00: root bus resource [bus 00-ff] [ 1.753185] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 1.808156] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 1.810788] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 1.813616] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 1.816544] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 1.818280] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 2.120968] vgaarb: loaded [ 2.123356] SCSI subsystem initialized [ 2.125581] ACPI: bus type USB registered [ 2.126459] usbcore: registered new interface driver usbfs [ 2.128982] usbcore: registered new interface driver hub [ 2.130622] usbcore: registered new device driver usb [ 2.132218] pps_core: LinuxPPS API ver. 1 registered [ 2.133029] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.135118] PTP clock support registered [ 2.137059] EDAC MC: Ver: 3.0.0 [ 2.140308] random: get_random_bytes called from ib_sa_init+0x39/0x340 with crng_init=0 [ 2.143014] Advanced Linux Sound Architecture Driver Initialized. [ 2.144273] PCI: Using ACPI for IRQ routing [ 2.147116] Bluetooth: Core ver 2.22 [ 2.147870] NET: Registered protocol family 31 [ 2.148600] Bluetooth: HCI device and connection manager initialized [ 2.149049] Bluetooth: HCI socket layer initialized [ 2.150299] Bluetooth: L2CAP socket layer initialized [ 2.151135] Bluetooth: SCO socket layer initialized [ 2.151851] NET: Registered protocol family 8 [ 2.152016] NET: Registered protocol family 20 [ 2.153170] NetLabel: Initializing [ 2.153687] NetLabel: domain hash size = 128 [ 2.154015] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 2.155278] NetLabel: unlabeled traffic allowed by default [ 2.158083] nfc: nfc_init: NFC Core ver 0.1 [ 2.158881] NET: Registered protocol family 39 [ 2.160418] clocksource: Switched to clocksource tsc-early [ 2.637642] VFS: Disk quotas dquot_6.6.0 [ 2.638430] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.639837] FS-Cache: Loaded [ 2.640856] CacheFiles: Loaded [ 2.641856] pnp: PnP ACPI init [ 2.651319] pnp: PnP ACPI: found 7 devices [ 2.701973] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 2.704004] NET: Registered protocol family 2 [ 2.706216] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes) [ 2.708802] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 2.714833] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) [ 2.719026] TCP: Hash tables configured (established 65536 bind 65536) [ 2.720671] UDP hash table entries: 4096 (order: 5, 131072 bytes) [ 2.722404] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes) [ 2.724332] NET: Registered protocol family 1 [ 2.727254] RPC: Registered named UNIX socket transport module. [ 2.728199] RPC: Registered udp transport module. [ 2.728908] RPC: Registered tcp transport module. [ 2.729583] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 2.732315] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 2.734033] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 2.734949] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [ (ptrval)- (ptrval)] [ 2.737249] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer [ 2.738427] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 2.739296] RAPL PMU: hw unit of domain package 2^-0 Joules [ 2.740090] RAPL PMU: hw unit of domain dram 2^-16 Joules [ 2.744926] Scanning for low memory corruption every 60 seconds [ 2.750203] kworker/u4:3 (1297) used greatest stack depth: 57792 bytes left [ 2.758572] Initialise system trusted keyrings [ 2.759930] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 2.821221] DLM installed [ 2.835566] NFS: Registering the id_resolver key type [ 2.836404] Key type id_resolver registered [ 2.837015] Key type id_legacy registered [ 2.837652] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 2.838650] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 2.843860] ntfs: driver 2.1.32 [Flags: R/W]. [ 2.846123] fuse init (API version 7.26) [ 2.850064] JFS: nTxBlock = 8192, nTxLock = 65536 [ 2.874794] SGI XFS with ACLs, security attributes, realtime, no debug enabled [ 2.884600] 9p: Installing v9fs 9p2000 file system support [ 2.885906] FS-Cache: Netfs '9p' registered for caching [ 2.893748] gfs2: GFS2 installed [ 2.898495] FS-Cache: Netfs 'ceph' registered for caching [ 2.899479] ceph: loaded (mds proto 32) [ 3.743182] tsc: Refined TSC clocksource calibration: 2299.804 MHz [ 3.744199] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x21267c42e6c, max_idle_ns: 440795315891 ns [ 3.746290] clocksource: Switched to clocksource tsc [ 6.582665] cryptomgr_test (1525) used greatest stack depth: 57296 bytes left [ 6.590607] alg: No test for 842 (842-generic) [ 6.591755] alg: No test for 842 (842-scomp) [ 6.632694] NET: Registered protocol family 38 [ 6.968533] async_tx: api initialized (async) [ 6.969314] Key type asymmetric registered [ 6.969922] Asymmetric key parser 'x509' registered [ 6.970834] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250) [ 6.972418] io scheduler noop registered [ 6.973081] io scheduler deadline registered [ 6.974247] io scheduler cfq registered (default) [ 6.974930] io scheduler mq-deadline registered [ 6.975609] io scheduler kyber registered [ 6.976262] io scheduler bfq registered [ 6.982657] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 6.983841] ACPI: Power Button [PWRF] [ 6.985241] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 6.986413] ACPI: Sleep Button [SLPF] [ 6.999085] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 6.999934] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.008141] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 7.008981] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.014786] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.038461] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.062919] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.087276] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.111663] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.117850] Non-volatile memory driver v1.3 [ 7.119434] Linux agpgart interface v0.103 [ 7.124572] [drm] radeon kernel modesetting enabled. [ 7.126624] [drm] amdgpu kernel modesetting enabled. [ 7.168511] brd: module loaded [ 7.189508] loop: module loaded [ 7.235267] null: module loaded [ 7.237651] nfcsim 0.2 initialized [ 7.239218] Loading iSCSI transport class v2.0-870. [ 7.261129] scsi host0: Virtio SCSI HBA [ 7.323502] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 7.504209] random: fast init done [ 7.881625] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 7.883260] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 7.884234] sd 0:0:1:0: [sda] Write Protect is off [ 7.884708] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 7.887277] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 7.888238] Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011) [ 7.901884] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 7.917685] MACsec IEEE 802.1AE [ 7.919120] tun: Universal TUN/TAP device driver, 1.6 [ 7.930130] sda: sda1 [ 7.940982] sd 0:0:1:0: [sda] Attached SCSI disk [ 7.945790] vcan: Virtual CAN interface driver [ 7.947081] vxcan: Virtual CAN Tunnel driver [ 7.948262] slcan: serial line CAN interface driver [ 7.949654] slcan: 10 dynamic interface channels. [ 7.950352] CAN device driver interface [ 7.951546] enic: Cisco VIC Ethernet NIC Driver, ver 2.3.0.53 [ 7.953222] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 7.954446] e100: Copyright(c) 1999-2006 Intel Corporation [ 7.955493] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 7.956951] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 7.957951] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 7.959132] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 7.960161] sky2: driver version 1.30 [ 7.962296] PPP generic driver version 2.4.2 [ 7.964271] PPP BSD Compression module registered [ 7.965548] PPP Deflate Compression module registered [ 7.969376] PPP MPPE Compression module registered [ 7.974314] NET: Registered protocol family 24 [ 7.978943] PPTP driver version 0.8.5 [ 7.984256] mac80211_hwsim: initializing netlink [ 8.001936] usbcore: registered new interface driver asix [ 8.007739] usbcore: registered new interface driver ax88179_178a [ 8.014265] usbcore: registered new interface driver cdc_ether [ 8.020427] usbcore: registered new interface driver net1080 [ 8.026401] usbcore: registered new interface driver cdc_subset [ 8.032659] usbcore: registered new interface driver zaurus [ 8.038567] usbcore: registered new interface driver cdc_ncm [ 8.052587] aoe: AoE v85 initialised. [ 8.057390] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 8.064125] ehci-pci: EHCI PCI platform driver [ 8.068939] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 8.075327] ohci-pci: OHCI PCI platform driver [ 8.080189] uhci_hcd: USB Universal Host Controller Interface driver [ 8.087165] usbcore: registered new interface driver usblp [ 8.093066] usbcore: registered new interface driver usb-storage [ 8.099972] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12 [ 8.108814] i8042: Warning: Keylock active [ 8.114606] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 8.119770] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 8.127220] mousedev: PS/2 mouse device common for all mice [ 8.135845] rtc_cmos 00:00: RTC can wake from S4 [ 8.141820] rtc_cmos 00:00: registered as rtc0 [ 8.146715] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram [ 8.153332] i2c /dev entries driver [ 8.159228] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr [ 8.169629] i2c-parport-light: adapter type unspecified [ 8.175227] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF [ 8.183859] usbcore: registered new interface driver i2c-tiny-usb [ 8.193972] device-mapper: ioctl: 4.39.0-ioctl (2018-04-03) initialised: dm-devel@redhat.com [ 8.203267] device-mapper: raid: Loading target version 1.13.2 [ 8.209480] usbcore: registered new interface driver btusb [ 8.217171] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013) [ 8.224925] usnic_verbs:usnic_uiom_init:585: [ 8.224936] IOMMU required but not present or enabled. USNIC QPs will not function w/o enabling IOMMU [ 8.238879] usnic_verbs:usnic_ib_init:649: [ 8.238889] Unable to initalize umem with err -1 [ 8.249947] iscsi: registered transport (iser) [ 8.254757] OPA Virtual Network Driver - v1.0 [ 8.259760] hidraw: raw HID events driver (C) Jiri Kosina [ 8.271960] usbcore: registered new interface driver usbhid [ 8.277782] usbhid: USB HID core driver [ 8.282868] NET: Registered protocol family 40 [ 8.329448] NET: Registered protocol family 26 [ 8.334348] Mirror/redirect action on [ 8.338251] Simple TC action Loaded [ 8.343531] netem: version 1.3 [ 8.344609] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2 [ 8.347319] u32 classifier [ 8.358485] Actions configured [ 8.367399] nf_conntrack_irc: failed to register helpers [ 8.373342] nf_conntrack_sane: failed to register helpers [ 8.412113] nf_conntrack_sip: failed to register helpers [ 8.421346] xt_time: kernel timezone is -0000 [ 8.425981] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP) [ 8.432289] IPVS: Connection hash table configured (size=4096, memory=64Kbytes) [ 8.440201] IPVS: ipvs loaded. [ 8.443410] IPVS: [rr] scheduler registered. [ 8.447824] IPVS: [wrr] scheduler registered. [ 8.452329] IPVS: [lc] scheduler registered. [ 8.456744] IPVS: [wlc] scheduler registered. [ 8.461246] IPVS: [fo] scheduler registered. [ 8.465662] IPVS: [ovf] scheduler registered. [ 8.470188] IPVS: [lblc] scheduler registered. [ 8.474792] IPVS: [lblcr] scheduler registered. [ 8.479466] IPVS: [dh] scheduler registered. [ 8.483883] IPVS: [sh] scheduler registered. [ 8.488296] IPVS: [sed] scheduler registered. [ 8.492801] IPVS: [nq] scheduler registered. [ 8.497234] IPVS: ftp: loaded support on port[0] = 21 [ 8.502432] IPVS: [sip] pe registered. [ 8.506717] ipip: IPv4 and MPLS over IPv4 tunneling driver [ 8.514010] gre: GRE over IPv4 demultiplexor driver [ 8.519113] ip_gre: GRE over IPv4 tunneling driver [ 8.529531] IPv4 over IPsec tunneling driver [ 8.537179] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully [ 8.543920] Initializing XFRM netlink socket [ 8.550891] NET: Registered protocol family 10 [ 8.566207] Segment Routing with IPv6 [ 8.570312] mip6: Mobile IPv6 [ 8.577462] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 8.590852] ip6_gre: GRE over IPv6 tunneling driver [ 8.598171] NET: Registered protocol family 17 [ 8.602851] NET: Registered protocol family 15 [ 8.607607] Bridge firewalling registered [ 8.612510] can: controller area network core (rev 20170425 abi 9) [ 8.619143] NET: Registered protocol family 29 [ 8.623777] can: raw protocol (rev 20170425) [ 8.628201] can: broadcast manager protocol (rev 20170425 t) [ 8.634088] can: netlink gateway (rev 20170425) max_hops=1 [ 8.641580] Bluetooth: RFCOMM TTY layer initialized [ 8.646664] Bluetooth: RFCOMM socket layer initialized [ 8.652081] Bluetooth: RFCOMM ver 1.11 [ 8.656109] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 8.661575] Bluetooth: BNEP filters: protocol multicast [ 8.666980] Bluetooth: BNEP socket layer initialized [ 8.672117] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [ 8.678201] Bluetooth: HIDP socket layer initialized [ 8.684116] RPC: Registered rdma transport module. [ 8.689088] RPC: Registered rdma backchannel transport module. [ 8.695600] NET: Registered protocol family 41 [ 8.700766] lec:lane_module_init: lec.c: initialized [ 8.705927] mpoa:atm_mpoa_init: mpc.c: initialized [ 8.710932] l2tp_core: L2TP core driver, V2.0 [ 8.715518] l2tp_ppp: PPPoL2TP kernel driver, V2.0 [ 8.720458] 8021q: 802.1Q VLAN Support v1.8 [ 8.756253] DCCP: Activated CCID 2 (TCP-like) [ 8.760881] DCCP: Activated CCID 3 (TCP-Friendly Rate Control) [ 8.770895] sctp: Hash tables configured (bind 256/256) [ 8.778878] NET: Registered protocol family 21 [ 8.784000] Registered RDS/infiniband transport [ 8.789129] Registered RDS/tcp transport [ 8.793259] tipc: Activated (version 2.0.0) [ 8.798238] NET: Registered protocol family 30 [ 8.803720] tipc: Started in single node mode [ 8.809756] NET: Registered protocol family 43 [ 8.810500] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4 [ 8.814992] 9pnet: Installing 9P2000 support [ 8.832666] NET: Registered protocol family 36 [ 8.837602] Key type dns_resolver registered [ 8.842105] Key type ceph registered [ 8.846408] libceph: loaded (mon/osd proto 15/24) [ 8.851446] openvswitch: Open vSwitch switching datapath [ 8.858577] mpls_gso: MPLS GSO support [ 8.866704] sched_clock: Marking stable (8866017166, 0)->(8962552699, -96535533) [ 8.877343] registered taskstats version 1 [ 8.881622] Loading compiled-in X.509 certificates [ 8.894406] Btrfs loaded, crc32c=crc32c-generic [ 8.907837] Key type big_key registered [ 8.917209] console [netcon0] enabled [ 8.921077] netconsole: network logging started [ 8.926154] gtp: GTP module loaded (pdp ctx size 104 bytes) [ 8.933346] rdma_rxe: loaded [ 8.936756] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 9.265495] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 9.272502] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 9.273142] ALSA device list: [ 9.281311] cfg80211: failed to load regulatory.db [ 9.284434] #0: Dummy 1 [ 9.284456] #1: Loopback 1 [ 9.295189] #2: Virtual MIDI Card 1 [ 9.299921] md: Waiting for all devices to be available before autodetect [ 9.306863] md: If you don't use raid, use raid=noautodetect [ 9.314858] md: Autodetecting RAID arrays. [ 9.319121] md: autorun ... [ 9.322068] md: ... autorun DONE. [ 9.450849] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null) [ 9.458787] VFS: Mounted root (ext4 filesystem) readonly on device 8:1. [ 9.578632] devtmpfs: mounted [ 9.589659] Freeing unused kernel memory: 4464K [ 9.594360] Kernel memory protection disabled. [ 10.229356] SELinux: Disabled at runtime. [ 10.258228] audit: type=1404 audit(1528796991.257:2): selinux=0 auid=4294967295 ses=4294967295 INIT: version 2.88 booting [ 10.508148] tput (2161) used greatest stack depth: 56040 bytes left [info] Using makefile-style concurrent boot in runlevel S. [....] Starting the hotplug events dispatcher: udevd[ 11.470775] 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. [ 19.226838] 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 [ 24.332119] logsave (3797) 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. [ 26.256126] random: dd: uninitialized urandom read (512 bytes read) [....] Configuring network interfaces...[ 26.501198] ip (4180) 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:8[ 27.128795] ================================================================== [ 27.136227] BUG: KMSAN: kernel-infoleak in copy_page_to_iter+0x754/0x1b70 [ 27.143167] CPU: 1 PID: 4201 Comm: dhclient Not tainted 4.17.0+ #1 [ 27.149485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.158839] Call Trace: [ 27.161435] dump_stack+0x185/0x1d0 [ 27.165068] kmsan_report+0x188/0x2a0 [ 27.168879] kmsan_internal_check_memory+0x17e/0x1f0 [ 27.173976] ? _cond_resched+0x3c/0xd0 [ 27.177847] kmsan_copy_to_user+0x7a/0x160 [ 27.182063] copy_page_to_iter+0x754/0x1b70 [ 27.186368] skb_copy_datagram_iter+0x7f2/0xfa0 [ 27.191044] packet_recvmsg+0x75a/0x1d10 [ 27.195091] ? security_socket_recvmsg+0xa4/0x220 [ 27.199910] ? packet_sendmsg+0x8cc0/0x8cc0 [ 27.204209] sock_read_iter+0x40a/0x480 [ 27.208167] ? kernel_sock_ip_overhead+0x340/0x340 [ 27.213075] __vfs_read+0x775/0x9d0 [ 27.216683] vfs_read+0x36c/0x6b0 [ 27.220117] __x64_sys_read+0x1bf/0x3e0 [ 27.224072] ? ksys_read+0x360/0x360 [ 27.227762] do_syscall_64+0x15b/0x230 [ 27.231634] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.236800] RIP: 0033:0x7ff4d6e31310 [ 27.240490] RSP: 002b:00007ffd122fe2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 27.248174] RAX: ffffffffffffffda RBX: 00005650f68c1a50 RCX: 00007ff4d6e31310 [ 27.255421] RDX: 0000000000000600 RSI: 00007ffd122fe2c0 RDI: 0000000000000004 [ 27.262669] RBP: 0000000000000001 R08: 00007ffd122fe950 R09: 000000000000c3c2 [ 27.269916] R10: 0007984b81595910 R11: 0000000000000246 R12: 00007ffd122fe950 [ 27.277166] R13: 00007ffd122fe920 R14: 00007ffd122fe970 R15: 00007ff4d7281010 [ 27.284416] [ 27.286022] Uninit was created at: [ 27.289554] kmsan_alloc_meta_for_pages+0x161/0x3a0 [ 27.294549] kmsan_alloc_page+0x82/0xe0 [ 27.298502] __alloc_pages_nodemask+0xf7b/0x5cc0 [ 27.303235] alloc_pages_current+0x6b1/0x970 [ 27.307623] skb_page_frag_refill+0x3ba/0x5e0 [ 27.312097] try_fill_recv+0x3d5/0x2580 [ 27.316048] virtnet_open+0x188/0x600 [ 27.319829] __dev_open+0x613/0x840 [ 27.323432] __dev_change_flags+0x401/0xb60 [ 27.327730] dev_change_flags+0xca/0x230 [ 27.331767] do_setlink+0x165b/0x6010 [ 27.335544] rtnl_newlink+0x2b33/0x37a0 [ 27.339495] rtnetlink_rcv_msg+0xa44/0x1570 [ 27.343793] netlink_rcv_skb+0x37e/0x600 [ 27.347832] rtnetlink_rcv+0x50/0x60 [ 27.351524] netlink_unicast+0x1680/0x1750 [ 27.355734] netlink_sendmsg+0x104f/0x1350 [ 27.359946] ___sys_sendmsg+0xec8/0x1320 [ 27.363983] __x64_sys_sendmsg+0x331/0x460 [ 27.368199] do_syscall_64+0x15b/0x230 [ 27.372065] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.377229] [ 27.378832] Bytes 316-327 of 328 are uninitialized [ 27.383737] Memory access starts at ffff88019996008c [ 27.388813] ================================================================== [ 27.396145] Disabling lock debugging due to kernel taint [ 27.401569] Kernel panic - not syncing: panic_on_warn set ... [ 27.401569] [ 27.408912] CPU: 1 PID: 4201 Comm: dhclient Tainted: G B 4.17.0+ #1 [ 27.417086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.426422] Call Trace: [ 27.428994] dump_stack+0x185/0x1d0 [ 27.432605] panic+0x3d0/0x990 [ 27.435781] kmsan_report+0x29e/0x2a0 [ 27.439560] kmsan_internal_check_memory+0x17e/0x1f0 [ 27.444641] ? _cond_resched+0x3c/0xd0 [ 27.448508] kmsan_copy_to_user+0x7a/0x160 [ 27.452721] copy_page_to_iter+0x754/0x1b70 [ 27.457045] skb_copy_datagram_iter+0x7f2/0xfa0 [ 27.461697] packet_recvmsg+0x75a/0x1d10 [ 27.465739] ? security_socket_recvmsg+0xa4/0x220 [ 27.470560] ? packet_sendmsg+0x8cc0/0x8cc0 [ 27.474859] sock_read_iter+0x40a/0x480 [ 27.478814] ? kernel_sock_ip_overhead+0x340/0x340 [ 27.483722] __vfs_read+0x775/0x9d0 [ 27.487328] vfs_read+0x36c/0x6b0 [ 27.490759] __x64_sys_read+0x1bf/0x3e0 [ 27.494714] ? ksys_read+0x360/0x360 [ 27.498405] do_syscall_64+0x15b/0x230 [ 27.502271] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 27.507438] RIP: 0033:0x7ff4d6e31310 [ 27.511126] RSP: 002b:00007ffd122fe2a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 27.518837] RAX: ffffffffffffffda RBX: 00005650f68c1a50 RCX: 00007ff4d6e31310 [ 27.526085] RDX: 0000000000000600 RSI: 00007ffd122fe2c0 RDI: 0000000000000004 [ 27.533341] RBP: 0000000000000001 R08: 00007ffd122fe950 R09: 000000000000c3c2 [ 27.540588] R10: 0007984b81595910 R11: 0000000000000246 R12: 00007ffd122fe950 [ 27.547845] R13: 00007ffd122fe920 R14: 00007ffd122fe970 R15: 00007ff4d7281010 [ 27.555617] Dumping ftrace buffer: [ 27.559146] (ftrace buffer empty) [ 27.562833] Kernel Offset: disabled [ 27.566435] Rebooting in 86400 seconds..