syzbot


upstream boot error: unexpected kernel reboot

Status: closed as invalid on 2018/06/14 06:16
First crash: 2815d, last: 2812d

Sample crash report:
output_len: 0x0000000008cbd9b0
kernel_total_size: 0x0000000009f2e000
trampoline_32bit: 0x000000000009d000

Decompressing Linux... Parsing ELF... done.
Booting the kernel.
[    0.000000] Linux version 4.16.0+ (syzkaller@ci) (gcc version 8.0.1 20180301 (experimental) (GCC)) #15 SMP Mon Apr 9 19:03:12 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=120 kvm-intel.nested=1 net.core.bpf_jit_enable=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] random: fast init done
[    0.000000] SMBIOS 2.4 present.
[    0.000000] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[    0.000000] Hypervisor detected: KVM
[    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 0x000f23d0-0x000f23df] 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 0x00000000000F2390 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] kvm-clock: cpu 0, msr 2:1fff8001, primary cpu clock
[    0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[    0.000000] kvm-clock: using sched offset of 13956931052 cycles
[    0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[    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] kasan: KernelAddressSanitizer initialized
[    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] Booting paravirtualized kernel on KVM
[    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] percpu: Embedded 55 pages/cpu @        (ptrval) s187272 r8192 d29816 u1048576
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 1935228
[    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=120 kvm-intel.nested=1 net.core.bpf_jit_enable=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: 6506520K/7863876K available (106524K kernel code, 11882K rwdata, 15612K rodata, 2856K init, 22828K bss, 1357356K reserved, 0K cma-reserved)
[    0.001000] Running RCU self tests
[    0.001000] Hierarchical RCU implementation.
[    0.001000] 	RCU lockdep checking is enabled.
[    0.001000] 	RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2.
[    0.001000] 	RCU callback double-/use-after-free debug enabled.
[    0.001000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[    0.001000] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16
[    0.001000] Console: colour VGA+ 80x25
[    0.001000] console [ttyS0] enabled
[    0.001000] console [ttyS0] enabled
[    0.001000] bootconsole [earlyser0] disabled
[    0.001000] bootconsole [earlyser0] disabled
[    0.001000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[    0.001000] ... MAX_LOCKDEP_SUBCLASSES:  8
[    0.001000] ... MAX_LOCK_DEPTH:          48
[    0.001000] ... MAX_LOCKDEP_KEYS:        8191
[    0.001000] ... CLASSHASH_SIZE:          4096
[    0.001000] ... MAX_LOCKDEP_ENTRIES:     32768
[    0.001000] ... MAX_LOCKDEP_CHAINS:      65536
[    0.001000] ... CHAINHASH_SIZE:          32768
[    0.001000]  memory used by lock dependency info: 7391 kB
[    0.001000]  per task-struct memory footprint: 1920 bytes
[    0.001000] ACPI: Core revision 20180313
[    0.001050] APIC: Switch to symmetric I/O mode setup
[    0.002527] x2apic enabled
[    0.003015] Switched APIC routing to physical x2apic.
[    0.007000] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[    0.007000] tsc: Detected 2300.000 MHz processor
[    0.007045] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns
[    0.008031] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=2300000)
[    0.009010] pid_max: default: 32768 minimum: 301
[    0.011321] Security Framework initialized
[    0.012014] Yama: becoming mindful.
[    0.013054] SELinux:  Initializing.
[    0.015196] AppArmor: AppArmor disabled by boot time parameter
[    0.020512] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes)
[    0.023472] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes)
[    0.024166] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes)
[    0.025712] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes)
[    0.028047] CPU: Physical Processor ID: 0
[    0.029074] mce: CPU supports 32 MCE banks
[    0.030168] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
[    0.031011] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
[    0.032035] Spectre V2 : Mitigation: Full generic retpoline
[    0.034257] Freeing SMP alternatives memory: 60K
[    0.038000] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0)
[    0.039032] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only.
[    0.040257] Hierarchical SRCU implementation.
[    0.041555] NMI watchdog: Perf event create on CPU 0 failed with -2
[    0.042013] NMI watchdog: Perf NMI watchdog permanently disabled
[    0.043504] smp: Bringing up secondary CPUs ...
[    0.045781] x86: Booting SMP configuration:
[    0.046013] .... node  #0, CPUs:      #1
[    0.001000] kvm-clock: cpu 1, msr 2:1fff8041, secondary cpu clock
[    0.057026] smp: Brought up 1 node, 2 CPUs
[    0.058050] smpboot: Max logical packages: 1
[    0.059021] smpboot: Total of 2 processors activated (9200.00 BogoMIPS)
[    0.062650] devtmpfs: initialized
[    0.073516] kworker/u4:1 (23) used greatest stack depth: 24168 bytes left
[    0.081067] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
[    0.082074] futex hash table entries: 512 (order: 4, 65536 bytes)
[    0.084210] xor: automatically using best checksumming function   avx       
[    0.085456] RTC time: 19:08:10, date: 04/09/18
[    0.098482] NET: Registered protocol family 16
[    0.101421] audit: initializing netlink subsys (disabled)
[    0.103125] audit: type=2000 audit(1523300890.434:1): state=initialized audit_enabled=0 res=1
[    0.103967] kworker/u4:1 (31) used greatest stack depth: 23120 bytes left
[    0.111081] cpuidle: using governor menu
[    0.114855] ACPI: bus type PCI registered
[    0.115826] PCI: Using configuration type 1 for base access
[    0.261008] kworker/u4:1 (717) used greatest stack depth: 21016 bytes left
[    0.292096] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[    0.301180] cryptd: max_cpu_qlen set to 1000
[    0.320224] raid6: sse2x1   gen()  2000 MB/s
[    0.341222] raid6: sse2x1   xor()  1066 MB/s
[    0.362221] raid6: sse2x2   gen()  3769 MB/s
[    0.383225] raid6: sse2x2   xor()  1759 MB/s
[    0.404217] raid6: sse2x4   gen()  6179 MB/s
[    0.425217] raid6: sse2x4   xor()  3373 MB/s
[    0.446214] raid6: avx2x1   gen()  3539 MB/s
[    0.467218] raid6: avx2x1   xor()  2052 MB/s
[    0.488213] raid6: avx2x2   gen()  7621 MB/s
[    0.509213] raid6: avx2x2   xor()  4046 MB/s
[    0.530209] raid6: avx2x4   gen() 12101 MB/s
[    0.551208] raid6: avx2x4   xor()  6431 MB/s
[    0.556016] raid6: using algorithm avx2x4 gen() 12101 MB/s
[    0.562018] raid6: .... xor() 6431 MB/s, rmw enabled
[    0.567011] raid6: using avx2x2 recovery algorithm
[    0.572658] ACPI: Added _OSI(Module Device)
[    0.577020] ACPI: Added _OSI(Processor Device)
[    0.581015] ACPI: Added _OSI(3.0 _SCP Extensions)
[    0.586014] ACPI: Added _OSI(Processor Aggregator Device)
[    0.592029] ACPI: Added _OSI(Linux-Dell-Video)
[    0.780049] ACPI: 2 ACPI AML tables successfully acquired and loaded
[    1.262783] ACPI: Interpreter enabled
[    1.267207] ACPI: (supports S0 S3 S4 S5)
[    1.271015] ACPI: Using IOAPIC for interrupt routing
[    1.276144] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    1.287236] ACPI: Enabled 16 GPEs in block 00 to 0F
[    1.840631] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[    1.847055] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
[    1.854177] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[    1.861197] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[    1.877043] PCI host bridge to bus 0000:00
[    1.881030] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
[    1.888033] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
[    1.895025] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[    1.903035] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
[    1.910028] pci_bus 0000:00: root bus resource [bus 00-ff]
[    1.946187] pci 0000:00:01.3: quirk: [io  0xb000-0xb03f] claimed by PIIX4 ACPI
[    2.009380] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[    2.017604] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[    2.025706] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[    2.033755] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[    2.041454] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[    2.409171] vgaarb: loaded
[    2.412404] SCSI subsystem initialized
[    2.415548] ACPI: bus type USB registered
[    2.417191] usbcore: registered new interface driver usbfs
[    2.419061] usbcore: registered new interface driver hub
[    2.420193] usbcore: registered new device driver usb
[    2.422811] pps_core: LinuxPPS API ver. 1 registered
[    2.423030] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    2.424116] PTP clock support registered
[    2.426194] EDAC MC: Ver: 3.0.0
[    2.430375] Advanced Linux Sound Architecture Driver Initialized.
[    2.437401] PCI: Using ACPI for IRQ routing
[    2.444237] Bluetooth: Core ver 2.22
[    2.448184] NET: Registered protocol family 31
[    2.453100] Bluetooth: HCI device and connection manager initialized
[    2.459053] Bluetooth: HCI socket layer initialized
[    2.464022] Bluetooth: L2CAP socket layer initialized
[    2.469150] Bluetooth: SCO socket layer initialized
[    2.474080] NET: Registered protocol family 8
[    2.479012] NET: Registered protocol family 20
[    2.484256] NetLabel: Initializing
[    2.487013] NetLabel:  domain hash size = 128
[    2.492017] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
[    2.498281] NetLabel:  unlabeled traffic allowed by default
[    2.506165] nfc: nfc_init: NFC Core ver 0.1
[    2.510265] NET: Registered protocol family 39
[    2.516049] clocksource: Switched to clocksource kvm-clock
[    2.925651] VFS: Disk quotas dquot_6.6.0
[    2.929891] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    2.937414] FS-Cache: Loaded
[    2.941225] CacheFiles: Loaded
[    2.944613] pnp: PnP ACPI init
[    2.957801] pnp: PnP ACPI: found 7 devices
[    3.002878] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[    3.012798] NET: Registered protocol family 2
[    3.018973] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes)
[    3.028366] TCP established hash table entries: 65536 (order: 7, 524288 bytes)
[    3.037909] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes)
[    3.051474] TCP: Hash tables configured (established 65536 bind 65536)
[    3.058653] UDP hash table entries: 4096 (order: 7, 655360 bytes)
[    3.066664] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes)
[    3.074644] NET: Registered protocol family 1
[    3.080604] RPC: Registered named UNIX socket transport module.
[    3.086834] RPC: Registered udp transport module.
[    3.091677] RPC: Registered tcp transport module.
[    3.096512] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    3.104372] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[    3.111295] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[    3.117879] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [00000000dccb377c-0000000003d84051]
[    3.129227] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer
[    3.137764] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules
[    3.143582] RAPL PMU: hw unit of domain package 2^-0 Joules
[    3.149283] RAPL PMU: hw unit of domain dram 2^-16 Joules
[    3.156700] kvm: already loaded the other module
[    3.161800] Machine check injector initialized
[    3.169937] Scanning for low memory corruption every 60 seconds
[    3.209401] Initialise system trusted keyrings
[    3.214549] workingset: timestamp_bits=40 max_order=21 bucket_order=0
[    3.225809] DLM installed
[    3.230455] NFS: Registering the id_resolver key type
[    3.235723] Key type id_resolver registered
[    3.240065] Key type id_legacy registered
[    3.244240] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    3.251160] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
[    3.258820] ntfs: driver 2.1.32 [Flags: R/W].
[    3.263923] fuse init (API version 7.26)
[    3.269679] JFS: nTxBlock = 8192, nTxLock = 65536
[    3.282209] SGI XFS with ACLs, security attributes, realtime, no debug enabled
[    3.292367] 9p: Installing v9fs 9p2000 file system support
[    3.298080] FS-Cache: Netfs '9p' registered for caching
[    3.306571] gfs2: GFS2 installed
[    3.310227] FS-Cache: Netfs 'ceph' registered for caching
[    3.315792] ceph: loaded (mds proto 32)
[    3.346303] NET: Registered protocol family 38
[    3.351287] async_tx: api initialized (async)
[    3.356059] Key type asymmetric registered
[    3.360346] Asymmetric key parser 'x509' registered
[    3.365380] Key type pkcs7_test registered
[    3.369810] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
[    3.377704] io scheduler noop registered
[    3.381776] io scheduler deadline registered
[    3.386330] io scheduler cfq registered (default)
[    3.391171] io scheduler mq-deadline registered
[    3.395833] io scheduler kyber registered
[    3.400136] io scheduler bfq registered
[    3.408649] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[    3.416507] ACPI: Power Button [PWRF]
[    3.421044] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
[    3.428700] ACPI: Sleep Button [SLPF]
[    3.446615] PCI Interrupt Link [LNKC] enabled at IRQ 11
[    3.452107] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
[    3.469506] PCI Interrupt Link [LNKD] enabled at IRQ 10
[    3.474945] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
[    3.486608] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    3.514885] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[    3.539819] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[    3.564043] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A
[    3.588101] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A
[    3.595383] Non-volatile memory driver v1.3
[    3.597000] Linux agpgart interface v0.103
[    3.599468] [drm] radeon kernel modesetting enabled.
[    3.600952] [drm] amdgpu kernel modesetting enabled.
[    3.638937] brd: module loaded
[    3.659694] loop: module loaded
[    3.703705] null: module loaded
[    3.706485] nfcsim 0.2 initialized
[    3.708428] Loading iSCSI transport class v2.0-870.
[    3.724675] scsi host0: Virtio SCSI HBA
[    3.781157] scsi 0:0:1:0: Direct-Access     Google   PersistentDisk   1    PQ: 0 ANSI: 6
[    4.192212] tsc: Refined TSC clocksource calibration: 2299.801 MHz
[    4.193281] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x2126790ab1b, max_idle_ns: 440795205796 ns
[    4.565689] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB)
[    4.567598] sd 0:0:1:0: Attached scsi generic sg0 type 0
[    4.569055] sd 0:0:1:0: [sda] 4096-byte physical blocks
[    4.569692] Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
[    4.570431] sd 0:0:1:0: [sda] Write Protect is off
[    4.572738] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    4.589955] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com)
[    4.596249] MACsec IEEE 802.1AE
[    4.597375] tun: Universal TUN/TAP device driver, 1.6
[    4.602234]  sda: sda1
[    4.608296] sd 0:0:1:0: [sda] Attached SCSI disk
[    4.621865] vcan: Virtual CAN interface driver
[    4.622698] vxcan: Virtual CAN Tunnel driver
[    4.623750] slcan: serial line CAN interface driver
[    4.624957] slcan: 10 dynamic interface channels.
[    4.626107] CAN device driver interface
[    4.627333] enic: Cisco VIC Ethernet NIC Driver, ver 2.3.0.53
[    4.628673] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI
[    4.630124] e100: Copyright(c) 1999-2006 Intel Corporation
[    4.630929] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
[    4.632181] e1000: Copyright (c) 1999-2006 Intel Corporation.
[    4.632941] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[    4.634300] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[    4.635701] sky2: driver version 1.30
[    4.637872] PPP generic driver version 2.4.2
[    4.639453] PPP BSD Compression module registered
[    4.640184] PPP Deflate Compression module registered
[    4.640875] PPP MPPE Compression module registered
[    4.641948] NET: Registered protocol family 24
[    4.642489] PPTP driver version 0.8.5
[    4.644067] mac80211_hwsim: initializing netlink
[    4.656945] usbcore: registered new interface driver asix
[    4.658171] usbcore: registered new interface driver ax88179_178a
[    4.659482] usbcore: registered new interface driver cdc_ether
[    4.660541] usbcore: registered new interface driver net1080
[    4.661921] usbcore: registered new interface driver cdc_subset
[    4.663156] usbcore: registered new interface driver zaurus
[    4.664127] usbcore: registered new interface driver cdc_ncm
[    4.670710] aoe: AoE v85 initialised.
[    4.673512] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    4.674730] ehci-pci: EHCI PCI platform driver
[    4.675874] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    4.676825] ohci-pci: OHCI PCI platform driver
[    4.677648] uhci_hcd: USB Universal Host Controller Interface driver
[    4.679588] usbcore: registered new interface driver usblp
[    4.680943] usbcore: registered new interface driver usb-storage
[    4.683674] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
[    4.686131] i8042: Warning: Keylock active
[    4.688745] serio: i8042 KBD port at 0x60,0x64 irq 1
[    4.690187] serio: i8042 AUX port at 0x60,0x64 irq 12
[    4.693568] mousedev: PS/2 mouse device common for all mice
[    4.697843] rtc_cmos 00:00: RTC can wake from S4
[    4.700221] rtc_cmos 00:00: rtc core: registered rtc_cmos as rtc0
[    4.701315] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram
[    4.705175] device-mapper: ioctl: 4.39.0-ioctl (2018-04-03) initialised: dm-devel@redhat.com
[    4.707733] device-mapper: raid: Loading target version 1.13.2
[    4.708726] usbcore: registered new interface driver btusb
[    4.711565] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013)
[    4.713322] usnic_verbs:usnic_uiom_init:585: 
[    4.713327] IOMMU required but not present or enabled.  USNIC QPs will not function w/o enabling IOMMU
[    4.716355] usnic_verbs:usnic_ib_init:649: 
[    4.716360] Unable to initalize umem with err -1
[    4.719384] iscsi: registered transport (iser)
[    4.720288] OPA Virtual Network Driver - v1.0
[    4.728297] hidraw: raw HID events driver (C) Jiri Kosina
[    4.732977] usbcore: registered new interface driver usbhid
[    4.734436] usbhid: USB HID core driver
[    4.737956] NET: Registered protocol family 40
[    4.740141] ashmem: initialized
[    4.793591] NET: Registered protocol family 26
[    4.794816] Mirror/redirect action on
[    4.795643] Simple TC action Loaded
[    4.798791] netem: version 1.3
[    4.799497] u32 classifier
[    4.800135]     Actions configured
[    4.802448] nf_conntrack_irc: failed to register helpers
[    4.803273] nf_conntrack_sane: failed to register helpers
[    4.840163] nf_conntrack_sip: failed to register helpers
[    4.844066] xt_time: kernel timezone is -0000
[    4.845136] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP)
[    4.845914] IPVS: Connection hash table configured (size=4096, memory=64Kbytes)
[    4.847753] IPVS: ipvs loaded.
[    4.848323] IPVS: [rr] scheduler registered.
[    4.848939] IPVS: [wrr] scheduler registered.
[    4.850174] IPVS: [lc] scheduler registered.
[    4.850680] IPVS: [wlc] scheduler registered.
[    4.851202] IPVS: [fo] scheduler registered.
[    4.851843] IPVS: [ovf] scheduler registered.
[    4.852625] IPVS: [lblc] scheduler registered.
[    4.853347] IPVS: [lblcr] scheduler registered.
[    4.854182] IPVS: [dh] scheduler registered.
[    4.854744] IPVS: [sh] scheduler registered.
[    4.855359] IPVS: [sed] scheduler registered.
[    4.856091] IPVS: [nq] scheduler registered.
[    4.856747] IPVS: ftp: loaded support on port[0] = 21
[    4.857525] IPVS: [sip] pe registered.
[    4.858343] ipip: IPv4 and MPLS over IPv4 tunneling driver
[    4.861643] gre: GRE over IPv4 demultiplexor driver
[    4.862919] ip_gre: GRE over IPv4 tunneling driver
[    4.868855] IPv4 over IPsec tunneling driver
[    4.872503] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully
[    4.873888] Initializing XFRM netlink socket
[    4.875247] NET: Registered protocol family 10
[    4.883758] Segment Routing with IPv6
[    4.884914] mip6: Mobile IPv6
[    4.889380] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[    4.894046] ip6_gre: GRE over IPv6 tunneling driver
[    4.896544] NET: Registered protocol family 17
[    4.897318] NET: Registered protocol family 15
[    4.898194] Bridge firewalling registered
[    4.899983] can: controller area network core (rev 20170425 abi 9)
[    4.901673] NET: Registered protocol family 29
[    4.902802] can: raw protocol (rev 20170425)
[    4.903939] can: broadcast manager protocol (rev 20170425 t)
[    4.904708] can: netlink gateway (rev 20170425) max_hops=1
[    4.906435] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2
[    4.907254] Bluetooth: RFCOMM TTY layer initialized
[    4.909276] Bluetooth: RFCOMM socket layer initialized
[    4.911149] Bluetooth: RFCOMM ver 1.11
[    4.912417] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    4.913837] Bluetooth: BNEP filters: protocol multicast
[    4.915221] Bluetooth: BNEP socket layer initialized
[    4.915779] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[    4.916787] Bluetooth: HIDP socket layer initialized
[    4.918968] RPC: Registered rdma transport module.
[    4.920147] RPC: Registered rdma backchannel transport module.
[    4.922521] NET: Registered protocol family 41
[    4.923626] lec:lane_module_init: lec.c: initialized
[    4.924664] mpoa:atm_mpoa_init: mpc.c: initialized
[    4.925767] l2tp_core: L2TP core driver, V2.0
[    4.926641] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[    4.927851] 8021q: 802.1Q VLAN Support v1.8
[    4.941355] DCCP: Activated CCID 2 (TCP-like)
[    4.942561] DCCP: Activated CCID 3 (TCP-Friendly Rate Control)
[    4.944331] sctp: Hash tables configured (bind 64/64)
[    4.946158] NET: Registered protocol family 21
[    4.947142] Registered RDS/infiniband transport
[    4.948125] Registered RDS/tcp transport
[    4.948639] tipc: Activated (version 2.0.0)
[    4.949883] NET: Registered protocol family 30
[    4.952121] tipc: Started in single node mode
[    4.953254] NET: Registered protocol family 43
[    4.954601] 9pnet: Installing 9P2000 support
[    4.958036] NET: Registered protocol family 36
[    4.959418] Key type dns_resolver registered
[    4.960301] Key type ceph registered
[    4.961601] libceph: loaded (mon/osd proto 15/24)
[    4.962571] openvswitch: Open vSwitch switching datapath
[    4.964245] mpls_gso: MPLS GSO support
[    4.977627] AVX2 version of gcm_enc/dec engaged.
[    4.978905] AES CTR mode by8 optimization enabled
[    4.986342] sched_clock: Marking stable (4986300317, 0)->(6802008854, -1815708537)
[    4.990564] registered taskstats version 1
[    4.991229] Loading compiled-in X.509 certificates
[    4.992899] zswap: default zpool zbud not available
[    4.994108] zswap: pool creation failed
[    4.999283] Btrfs loaded, crc32c=crc32c-intel
[    5.003162] Key type big_key registered
[    5.004866] Key type encrypted registered
[    5.007282]   Magic number: 14:742:141
[    5.008289] block ram6: hash matches
[    5.009583] acpi device:12: hash matches
[    5.010684] console [netcon0] enabled
[    5.011138] netconsole: network logging started
[    5.012417] gtp: GTP module loaded (pdp ctx size 104 bytes)
[    5.015664] rdma_rxe: loaded
[    5.016690] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[    5.021213] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[    5.023512] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[    5.024175] ALSA device list:
[    5.025158] cfg80211: failed to load regulatory.db
[    5.025622]   #0: Dummy 1
[    5.027121]   #1: Loopback 1
[    5.027522]   #2: Virtual MIDI Card 1
[    5.339274] input: ImPS/2 Generic Wheel Mouse as /devices/platform/i8042/serio1/input/input4
[    5.342756] md: Waiting for all devices to be available before autodetect
[    5.343799] md: If you don't use raid, use raid=noautodetect
[    5.347589] md: Autodetecting RAID arrays.
[    5.348280] md: autorun ...
[    5.348685] md: ... autorun DONE.
[    5.429172] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
[    5.430388] VFS: Mounted root (ext4 filesystem) readonly on device 8:1.
[    5.507571] devtmpfs: mounted
[    5.515793] Freeing unused kernel memory: 2856K
[    5.516513] Kernel memory protection disabled.
[    6.230506] SELinux:  Disabled at runtime.
[    6.258243] audit: type=1404 audit(1523300896.589:2): selinux=0 auid=4294967295 ses=4294967295

Crashes (32):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/04/09 19:15 upstream e9092d0d9796 f13fb445 .config console log report ci-upstream-kasan-gce
2018/04/09 18:58 upstream e9092d0d9796 f13fb445 .config console log report ci-upstream-kasan-gce-root
2018/04/09 08:53 upstream f8cf2f16a7c9 f13fb445 .config console log report ci-upstream-kasan-gce-root
2018/04/08 13:47 upstream f8cf2f16a7c9 77bd5117 .config console log report ci-upstream-kasan-gce
2018/04/08 13:25 upstream f8cf2f16a7c9 77bd5117 .config console log report ci-upstream-kasan-gce-root
2018/04/08 00:46 upstream f8cf2f16a7c9 66f22a7f .config console log report ci-upstream-kasan-gce-root
2018/04/07 22:56 upstream bf6879dcc483 66f22a7f .config console log report ci-upstream-kasan-gce
2018/04/07 22:11 upstream bf6879dcc483 66f22a7f .config console log report ci-upstream-kasan-gce-root
2018/04/07 21:09 upstream 90fda63fa115 66f22a7f .config console log report ci-upstream-kasan-gce-root
2018/04/07 20:56 upstream 90fda63fa115 66f22a7f .config console log report ci-upstream-kasan-gce
2018/04/07 20:27 upstream 0d5b1bd332e0 66f22a7f .config console log report ci-upstream-kasan-gce
2018/04/07 20:15 upstream 49a695ba7232 66f22a7f .config console log report ci-upstream-kasan-gce-root
2018/04/07 19:44 upstream 49a695ba7232 66f22a7f .config console log report ci-upstream-kasan-gce
2018/04/07 19:27 upstream 62f8e6c5dcb6 66f22a7f .config console log report ci-upstream-kasan-gce-root
2018/04/07 18:39 upstream 62f8e6c5dcb6 66f22a7f .config console log report ci-upstream-kasan-gce
2018/04/07 13:14 upstream f605ba97fb80 66f22a7f .config console log report ci-upstream-kasan-gce
2018/04/07 12:30 upstream f605ba97fb80 66f22a7f .config console log report ci-upstream-kasan-gce-root
2018/04/07 11:48 upstream f605ba97fb80 10a8987f .config console log report ci-upstream-kasan-gce
2018/04/09 18:40 upstream e9092d0d9796 f13fb445 .config console log report ci-upstream-kasan-gce-386
2018/04/09 09:35 upstream f8cf2f16a7c9 f13fb445 .config console log report ci-upstream-kasan-gce-386
2018/04/08 13:03 upstream f8cf2f16a7c9 77bd5117 .config console log report ci-upstream-kasan-gce-386
2018/04/08 01:03 upstream f8cf2f16a7c9 66f22a7f .config console log report ci-upstream-kasan-gce-386
2018/04/07 22:35 upstream bf6879dcc483 66f22a7f .config console log report ci-upstream-kasan-gce-386
2018/04/07 21:21 upstream 90fda63fa115 66f22a7f .config console log report ci-upstream-kasan-gce-386
2018/04/07 20:41 upstream 0d5b1bd332e0 66f22a7f .config console log report ci-upstream-kasan-gce-386
2018/04/07 19:59 upstream 49a695ba7232 66f22a7f .config console log report ci-upstream-kasan-gce-386
2018/04/07 19:01 upstream 62f8e6c5dcb6 66f22a7f .config console log report ci-upstream-kasan-gce-386
2018/04/07 13:03 upstream f605ba97fb80 66f22a7f .config console log report ci-upstream-kasan-gce-386
2018/04/07 11:10 upstream f605ba97fb80 10a8987f .config console log report ci-upstream-kasan-gce-386
2018/04/07 03:30 upstream f605ba97fb80 d613535f .config console log report ci-upstream-kasan-gce-386
2018/04/07 02:19 upstream 3c0d551e02b2 d613535f .config console log report ci-upstream-kasan-gce-386
2018/04/06 23:34 upstream 9eda2d2dca83 d613535f .config console log report ci-upstream-kasan-gce-386
* Struck through repros no longer work on HEAD.