output_len: 0x00000000098d9878 kernel_total_size: 0x0000000009e6a000 trampoline_32bit: 0x000000000009d000 Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000] Linux version 4.19.0-rc1+ (syzkaller@ci) (clang version 8.0.0 (trunk 339414)) #40 SMP Fri Aug 31 18:22:16 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 workqueue.watchdog_thresh=140 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] 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] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.000000] last_pfn = 0xbfff3 max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f2300-0x000f230f] 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 0x00000000000F22C0 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] 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] Reserved but unavailable: 111 pages [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000021fffffff] [ 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] [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 197 pages/cpu @(____ptrval____) s766984 r8192 d31736 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 workqueue.watchdog_thresh=140 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: 7449688K/7863876K available (133132K kernel code, 4425K rwdata, 6464K rodata, 4328K init, 9644K bss, 414188K 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): ffffffff8ae44000 [ 0.000000] __bss: ffffffff8a4d9000-ffffffff8ae44000, __data: ffffffff89c00000-ffffffff8a0527c0 [ 0.000000] upper start: ffff880000000000, end: ffff88000ae44000 [ 0.000000] Starting KernelMemorySanitizer [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: 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 20180810 [ 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 [ 0.011000] tsc: Detected 2299.993 MHz processor [ 0.000030] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x21272e6cd7d, max_idle_ns: 440795207019 ns [ 0.001482] Calibrating delay loop (skipped), value calculated using timer frequency.. 4599.98 BogoMIPS (lpj=2299993) [ 0.002491] pid_max: default: 32768 minimum: 301 [ 0.004579] Security Framework initialized [ 0.005603] AppArmor: AppArmor initialized [ 0.038449] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.054732] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.055917] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.057697] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 0.061164] mce: CPU supports 32 MCE banks [ 0.061713] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 0.062492] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 0.063507] Spectre V2 : Mitigation: Full generic retpoline [ 0.064487] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.065488] Speculative Store Bypass: Vulnerable [ 0.068055] Freeing SMP alternatives memory: 92K [ 0.070471] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 0.072990] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 0.074885] rcu: Hierarchical SRCU implementation. [ 0.077600] NMI watchdog: Perf NMI watchdog permanently disabled [ 0.079231] smp: Bringing up secondary CPUs ... [ 0.082357] x86: Booting SMP configuration: [ 0.082491] .... node #0, CPUs: #1 [ 0.084016] smp: Brought up 1 node, 2 CPUs [ 0.085493] smpboot: Max logical packages: 1 [ 0.086138] smpboot: Total of 2 processors activated (9199.97 BogoMIPS) [ 0.091297] devtmpfs: initialized [ 0.097920] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns [ 0.098636] kworker/u4:0 (23) used greatest stack depth: 58824 bytes left [ 0.099688] futex hash table entries: 512 (order: 3, 32768 bytes) [ 0.102926] xor: automatically using best checksumming function avx [ 0.109146] NET: Registered protocol family 16 [ 0.112216] audit: initializing netlink subsys (disabled) [ 0.113709] audit: type=2000 audit(1536109094.125:1): state=initialized audit_enabled=0 res=1 [ 0.122838] cpuidle: using governor menu [ 0.125050] random: get_random_bytes called from kcmp_cookies_init+0x4b/0xeb kernel/kcmp.c:249 with crng_init=0 [ 0.125508] ACPI: bus type PCI registered [ 0.128722] PCI: Using configuration type 1 for base access [ 0.146564] kworker/u4:2 (64) used greatest stack depth: 57768 bytes left [ 0.500523] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.503546] cryptd: max_cpu_qlen set to 1000 [ 0.522172] raid6: sse2x1 gen() 464 MB/s [ 0.539097] raid6: sse2x1 xor() 765 MB/s [ 0.556066] raid6: sse2x2 gen() 648 MB/s [ 0.573072] raid6: sse2x2 xor() 806 MB/s [ 0.590127] raid6: sse2x4 gen() 683 MB/s [ 0.607095] raid6: sse2x4 xor() 658 MB/s [ 0.624082] raid6: avx2x1 gen() 988 MB/s [ 0.641063] raid6: avx2x1 xor() 1466 MB/s [ 0.658041] raid6: avx2x2 gen() 1011 MB/s [ 0.675086] raid6: avx2x2 xor() 1599 MB/s [ 0.692102] raid6: avx2x4 gen() 1027 MB/s [ 0.709081] raid6: avx2x4 xor() 1300 MB/s [ 0.709494] raid6: using algorithm avx2x4 gen() 1027 MB/s [ 0.710490] raid6: .... xor() 1300 MB/s, rmw enabled [ 0.711231] raid6: using avx2x2 recovery algorithm [ 0.712926] ACPI: Added _OSI(Module Device) [ 0.714081] ACPI: Added _OSI(Processor Device) [ 0.714613] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.715255] ACPI: Added _OSI(Processor Aggregator Device) [ 0.716501] ACPI: Added _OSI(Linux-Dell-Video) [ 0.716546] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.860453] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.332839] ACPI: Interpreter enabled [ 1.333699] ACPI: (supports S0 S3 S4 S5) [ 1.334327] ACPI: Using IOAPIC for interrupt routing [ 1.335721] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 1.338471] ACPI: Enabled 16 GPEs in block 00 to 0F [ 1.996619] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 1.997533] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 1.998549] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM [ 1.999634] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 2.004820] PCI host bridge to bus 0000:00 [ 2.005509] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.006506] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.007506] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.009506] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 2.010506] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.045662] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.100068] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 2.103223] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 2.106328] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 2.109338] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 2.111687] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 2.451993] vgaarb: loaded [ 2.455734] SCSI subsystem initialized [ 2.461178] ACPI: bus type USB registered [ 2.461823] usbcore: registered new interface driver usbfs [ 2.464391] usbcore: registered new interface driver hub [ 2.464850] usbcore: registered new device driver usb [ 2.470533] pps_core: LinuxPPS API ver. 1 registered [ 2.471520] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.472576] PTP clock support registered [ 2.474873] EDAC MC: Ver: 3.0.0 [ 2.481093] Advanced Linux Sound Architecture Driver Initialized. [ 2.482679] PCI: Using ACPI for IRQ routing [ 2.486908] Bluetooth: Core ver 2.22 [ 2.487659] NET: Registered protocol family 31 [ 2.488507] Bluetooth: HCI device and connection manager initialized [ 2.490068] Bluetooth: HCI socket layer initialized [ 2.491442] Bluetooth: L2CAP socket layer initialized [ 2.491664] Bluetooth: SCO socket layer initialized [ 2.492571] NET: Registered protocol family 8 [ 2.493555] NET: Registered protocol family 20 [ 2.494666] NetLabel: Initializing [ 2.495491] NetLabel: domain hash size = 128 [ 2.496147] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 2.496815] NetLabel: unlabeled traffic allowed by default [ 2.499888] nfc: nfc_init: NFC Core ver 0.1 [ 2.500867] NET: Registered protocol family 39 [ 2.503178] clocksource: Switched to clocksource tsc-early [ 3.085636] VFS: Disk quotas dquot_6.6.0 [ 3.086557] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 3.088145] FS-Cache: Loaded [ 3.089428] CacheFiles: Loaded [ 3.092193] AppArmor: AppArmor Filesystem Enabled [ 3.093195] pnp: PnP ACPI init [ 3.105599] pnp: PnP ACPI: found 7 devices [ 3.170905] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 3.173135] NET: Registered protocol family 2 [ 3.175930] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes) [ 3.181841] TCP established hash table entries: 65536 (order: 7, 524288 bytes) [ 3.202387] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes) [ 3.233680] TCP: Hash tables configured (established 65536 bind 65536) [ 3.236271] UDP hash table entries: 4096 (order: 5, 131072 bytes) [ 3.243335] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes) [ 3.250436] NET: Registered protocol family 1 [ 3.253369] RPC: Registered named UNIX socket transport module. [ 3.254342] RPC: Registered udp transport module. [ 3.255014] RPC: Registered tcp transport module. [ 3.255737] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.258618] NET: Registered protocol family 44 [ 3.259484] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 3.261528] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 3.262525] software IO TLB: mapped [mem 0xbbff3000-0xbfff3000] (64MB) [ 3.265113] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer [ 3.266513] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules [ 3.267494] RAPL PMU: hw unit of domain package 2^-0 Joules [ 3.268344] RAPL PMU: hw unit of domain dram 2^-16 Joules [ 3.275063] Scanning for low memory corruption every 60 seconds [ 3.286334] Initialise system trusted keyrings [ 3.289997] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 3.370606] DLM installed [ 3.376732] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 3.389311] NFS: Registering the id_resolver key type [ 3.390469] Key type id_resolver registered [ 3.391176] Key type id_legacy registered [ 3.391881] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 3.393001] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 3.400229] ntfs: driver 2.1.32 [Flags: R/W]. [ 3.403512] fuse init (API version 7.27) [ 3.408291] JFS: nTxBlock = 8192, nTxLock = 65536 [ 3.467827] SGI XFS with ACLs, security attributes, realtime, no debug enabled [ 3.481758] 9p: Installing v9fs 9p2000 file system support [ 3.483475] FS-Cache: Netfs '9p' registered for caching [ 3.493538] gfs2: GFS2 installed [ 3.501294] FS-Cache: Netfs 'ceph' registered for caching [ 3.502526] ceph: loaded (mds proto 32) [ 4.308761] tsc: Refined TSC clocksource calibration: 2300.003 MHz [ 4.310173] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x21273815e29, max_idle_ns: 440795265742 ns [ 4.312255] clocksource: Switched to clocksource tsc