syzbot


https://github.com/google/kmsan.git boot error: unexpected kernel reboot

Status: closed as invalid on 2018/06/27 15:18
Subsystems: rdma
[Documentation on labels]
First crash: 2751d, last: 2712d

Sample crash report:
output_len: 0x000000000a91d828
kernel_total_size: 0x000000000aeb2000
trampoline_32bit: 0x000000000009d000

Decompressing Linux... Parsing ELF... done.
Booting the kernel.
[    0.000000] Linux version 4.17.0-rc3+ (syzkaller@ci) (clang version 7.0.0 (trunk 329391)) #89 SMP Fri May 11 08:45:27 UTC 2018
[    0.000000] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n ftrace_dump_on_oops=orig_cpu oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 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] 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 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] 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 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: 7434064K/7863876K available (149520K kernel code, 4548K rwdata, 8128K rodata, 4460K init, 9660K bss, 429812K 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): ffffffff8be8c000
[    0.000000] __bss: ffffffff8b51d000-ffffffff8be8c000, __data: ffffffff8ac00000-ffffffff8b071380
[    0.000000] upper start: ffff880000000000, end: ffff88000be8c000
[    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
[    0.004000] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[    0.010000] tsc: PIT calibration matches PMTIMER. 1 loops
[    0.011000] tsc: Detected 2299.911 MHz processor
[    0.012000] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x2126e1254c9, max_idle_ns: 440795280419 ns
[    0.013020] Calibrating delay loop (skipped), value calculated using timer frequency.. 4599.82 BogoMIPS (lpj=2299911)
[    0.014015] pid_max: default: 32768 minimum: 301
[    0.014892] Security Framework initialized
[    0.015021] SELinux:  Initializing.
[    0.037396] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes)
[    0.049379] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes)
[    0.051147] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes)
[    0.052232] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes)
[    0.055144] CPU: Physical Processor ID: 0
[    0.055817] mce: CPU supports 32 MCE banks
[    0.056200] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
[    0.057017] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
[    0.058030] Spectre V2 : Vulnerable: Minimal generic ASM retpoline
[    0.060938] Freeing SMP alternatives memory: 92K
[    0.063000] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0)
[    0.064635] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only.
[    0.066405] Hierarchical SRCU implementation.
[    0.069252] smp: Bringing up secondary CPUs ...
[    0.071237] x86: Booting SMP configuration:
[    0.071869] .... node  #0, CPUs:      #1
[    0.072443] smp: Brought up 1 node, 2 CPUs
[    0.074021] smpboot: Max logical packages: 1
[    0.074630] smpboot: Total of 2 processors activated (9199.64 BogoMIPS)
[    0.079015] devtmpfs: initialized
[    0.083560] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
[    0.084352] kworker/u4:0 (21) used greatest stack depth: 58856 bytes left
[    0.085076] futex hash table entries: 512 (order: 3, 32768 bytes)
[    0.087461] xor: automatically using best checksumming function   avx       
[    0.093135] NET: Registered protocol family 16
[    0.095700] audit: initializing netlink subsys (disabled)
[    0.097206] audit: type=2000 audit(1526113443.097:1): state=initialized audit_enabled=0 res=1
[    0.101843] cpuidle: using governor menu
[    0.103243] ACPI: bus type PCI registered
[    0.104587] PCI: Using configuration type 1 for base access
[    0.119239] kworker/u4:0 (72) used greatest stack depth: 57848 bytes left
[    0.348503] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[    0.351180] cryptd: max_cpu_qlen set to 1000
[    0.369690] raid6: sse2x1   gen()   164 MB/s
[    0.386585] raid6: sse2x1   xor()   892 MB/s
[    0.403585] raid6: sse2x2   gen()   632 MB/s
[    0.420575] raid6: sse2x2   xor()  1005 MB/s
[    0.437571] raid6: sse2x4   gen()   769 MB/s
[    0.454587] raid6: sse2x4   xor()   777 MB/s
[    0.471577] raid6: avx2x1   gen()   660 MB/s
[    0.488586] raid6: avx2x1   xor()  1767 MB/s
[    0.505568] raid6: avx2x2   gen()  1058 MB/s
[    0.522571] raid6: avx2x2   xor()  1970 MB/s
[    0.539614] raid6: avx2x4   gen()  1148 MB/s
[    0.556570] raid6: avx2x4   xor()  1513 MB/s
[    0.557018] raid6: using algorithm avx2x4 gen() 1148 MB/s
[    0.557765] raid6: .... xor() 1513 MB/s, rmw enabled
[    0.559017] raid6: using avx2x2 recovery algorithm
[    0.560142] ACPI: Added _OSI(Module Device)
[    0.561032] ACPI: Added _OSI(Processor Device)
[    0.561032] ACPI: Added _OSI(3.0 _SCP Extensions)
[    0.561698] ACPI: Added _OSI(Processor Aggregator Device)
[    0.563021] ACPI: Added _OSI(Linux-Dell-Video)
[    0.676602] ACPI: 2 ACPI AML tables successfully acquired and loaded
[    1.062171] ACPI: Interpreter enabled
[    1.062939] ACPI: (supports S0 S3 S4 S5)
[    1.063019] ACPI: Using IOAPIC for interrupt routing
[    1.064205] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    1.067208] ACPI: Enabled 16 GPEs in block 00 to 0F
[    1.175440] kworker/u4:5 (906) used greatest stack depth: 57832 bytes left
[    1.527998] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[    1.528957] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
[    1.530014] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[    1.531110] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[    1.535257] PCI host bridge to bus 0000:00
[    1.535943] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
[    1.537036] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
[    1.538035] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[    1.539063] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
[    1.541038] pci_bus 0000:00: root bus resource [bus 00-ff]
[    1.574141] pci 0000:00:01.3: quirk: [io  0xb000-0xb03f] claimed by PIIX4 ACPI
[    1.627261] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[    1.629455] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[    1.632096] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[    1.634646] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[    1.636296] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[    1.933226] vgaarb: loaded
[    1.935049] SCSI subsystem initialized
[    1.936614] ACPI: bus type USB registered
[    1.937821] usbcore: registered new interface driver usbfs
[    1.938832] usbcore: registered new interface driver hub
[    1.939768] usbcore: registered new device driver usb
[    1.940719] pps_core: LinuxPPS API ver. 1 registered
[    1.941853] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    1.943153] PTP clock support registered
[    1.944872] EDAC MC: Ver: 3.0.0
[    1.947061] random: get_random_bytes called from ib_sa_init+0x39/0x340 drivers/infiniband/core/sa_query.c:2488 with crng_init=0
[    1.950199] Advanced Linux Sound Architecture Driver Initialized.
[    1.951230] PCI: Using ACPI for IRQ routing
[    1.953551] Bluetooth: Core ver 2.22
[    1.954116] NET: Registered protocol family 31
[    1.954748] Bluetooth: HCI device and connection manager initialized
[    1.955050] Bluetooth: HCI socket layer initialized
[    1.956303] Bluetooth: L2CAP socket layer initialized
[    1.957118] Bluetooth: SCO socket layer initialized
[    1.958122] NET: Registered protocol family 8
[    1.959014] NET: Registered protocol family 20
[    1.959756] NetLabel: Initializing
[    1.960015] NetLabel:  domain hash size = 128
[    1.961012] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
[    1.962231] NetLabel:  unlabeled traffic allowed by default
[    1.963792] nfc: nfc_init: NFC Core ver 0.1
[    1.964226] NET: Registered protocol family 39
[    1.966345] clocksource: Switched to clocksource tsc-early
[    2.431751] VFS: Disk quotas dquot_6.6.0
[    2.432513] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    2.434056] FS-Cache: Loaded
[    2.435201] CacheFiles: Loaded
[    2.436331] pnp: PnP ACPI init
[    2.445984] pnp: PnP ACPI: found 7 devices
[    2.496227] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[    2.498293] NET: Registered protocol family 2
[    2.500562] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes)
[    2.503233] TCP established hash table entries: 65536 (order: 7, 524288 bytes)
[    2.509766] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes)
[    2.513949] TCP: Hash tables configured (established 65536 bind 65536)
[    2.516293] UDP hash table entries: 4096 (order: 5, 131072 bytes)
[    2.517949] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes)
[    2.519818] NET: Registered protocol family 1
[    2.522150] RPC: Registered named UNIX socket transport module.
[    2.523093] RPC: Registered udp transport module.
[    2.523819] RPC: Registered tcp transport module.
[    2.524529] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    2.527192] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[    2.529222] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[    2.530164] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [        (ptrval)-        (ptrval)]
[    2.532660] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer
[    2.533882] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules
[    2.534741] RAPL PMU: hw unit of domain package 2^-0 Joules
[    2.535535] RAPL PMU: hw unit of domain dram 2^-16 Joules
[    2.540326] Scanning for low memory corruption every 60 seconds
[    2.551361] Initialise system trusted keyrings
[    2.553898] workingset: timestamp_bits=40 max_order=21 bucket_order=0
[    2.615972] DLM installed
[    2.629732] NFS: Registering the id_resolver key type
[    2.630727] Key type id_resolver registered
[    2.631656] Key type id_legacy registered
[    2.632280] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    2.633244] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
[    2.638334] ntfs: driver 2.1.32 [Flags: R/W].
[    2.640921] fuse init (API version 7.26)
[    2.644831] JFS: nTxBlock = 8192, nTxLock = 65536
[    2.669491] SGI XFS with ACLs, security attributes, realtime, no debug enabled
[    2.679356] 9p: Installing v9fs 9p2000 file system support
[    2.680933] FS-Cache: Netfs '9p' registered for caching
[    2.689339] gfs2: GFS2 installed
[    2.693984] FS-Cache: Netfs 'ceph' registered for caching
[    2.695399] ceph: loaded (mds proto 32)
[    3.552261] tsc: Refined TSC clocksource calibration: 2299.921 MHz
[    3.553523] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x2126ea89796, max_idle_ns: 440795216806 ns
[    3.555659] clocksource: Switched to clocksource tsc
[    6.362914] alg: No test for 842 (842-generic)
[    6.364191] alg: No test for 842 (842-scomp)
[    6.404783] NET: Registered protocol family 38
[    6.718684] async_tx: api initialized (async)
[    6.718910] cryptomgr_test (1563) used greatest stack depth: 57344 bytes left
[    6.719562] Key type asymmetric registered
[    6.721278] Asymmetric key parser 'x509' registered
[    6.722186] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
[    6.723809] io scheduler noop registered
[    6.724455] io scheduler deadline registered
[    6.725567] io scheduler cfq registered (default)
[    6.726513] io scheduler mq-deadline registered
[    6.727177] io scheduler kyber registered
[    6.727831] io scheduler bfq registered
[    6.732850] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[    6.735255] ACPI: Power Button [PWRF]
[    6.736676] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
[    6.737978] ACPI: Sleep Button [SLPF]
[    6.750856] PCI Interrupt Link [LNKC] enabled at IRQ 11
[    6.751812] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
[    6.760228] PCI Interrupt Link [LNKD] enabled at IRQ 10
[    6.761141] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
[    6.766619] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    6.790199] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[    6.815158] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[    6.840070] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A
[    6.865120] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A
[    6.871209] Non-volatile memory driver v1.3
[    6.872922] Linux agpgart interface v0.103
[    6.878969] [drm] radeon kernel modesetting enabled.
[    6.880734] [drm] amdgpu kernel modesetting enabled.
[    6.922555] brd: module loaded
[    6.943897] loop: module loaded
[    6.989198] null: module loaded
[    6.991946] nfcsim 0.2 initialized
[    6.995680] Loading iSCSI transport class v2.0-870.
[    7.014366] scsi host0: Virtio SCSI HBA
[    7.077139] scsi 0:0:1:0: Direct-Access     Google   PersistentDisk   1    PQ: 0 ANSI: 6
[    7.267422] random: fast init done
[    7.634679] sd 0:0:1:0: Attached scsi generic sg0 type 0
[    7.635546] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB)
[    7.641962] Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
[    7.647992] sd 0:0:1:0: [sda] 4096-byte physical blocks
[    7.663282] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com)
[    7.680459] sd 0:0:1:0: [sda] Write Protect is off
[    7.686253] MACsec IEEE 802.1AE
[    7.688242] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    7.692261] tun: Universal TUN/TAP device driver, 1.6
[    7.728455] vcan: Virtual CAN interface driver
[    7.733127] vxcan: Virtual CAN Tunnel driver
[    7.737560] slcan: serial line CAN interface driver
[    7.742590] slcan: 10 dynamic interface channels.
[    7.744996]  sda: sda1
[    7.747496] CAN device driver interface
[    7.754780] enic: Cisco VIC Ethernet NIC Driver, ver 2.3.0.53
[    7.755436] sd 0:0:1:0: [sda] Attached SCSI disk
[    7.761835] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI
[    7.771873] e100: Copyright(c) 1999-2006 Intel Corporation
[    7.777710] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
[    7.784930] e1000: Copyright (c) 1999-2006 Intel Corporation.
[    7.791053] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[    7.797068] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[    7.803363] sky2: driver version 1.30
[    7.808756] PPP generic driver version 2.4.2
[    7.813952] PPP BSD Compression module registered
[    7.818875] PPP Deflate Compression module registered
[    7.824296] PPP MPPE Compression module registered
[    7.829245] NET: Registered protocol family 24
[    7.833893] PPTP driver version 0.8.5
[    7.839314] mac80211_hwsim: initializing netlink
[    7.857756] usbcore: registered new interface driver asix
[    7.863633] usbcore: registered new interface driver ax88179_178a
[    7.870116] usbcore: registered new interface driver cdc_ether
[    7.876298] usbcore: registered new interface driver net1080
[    7.882291] usbcore: registered new interface driver cdc_subset
[    7.888538] usbcore: registered new interface driver zaurus
[    7.894492] usbcore: registered new interface driver cdc_ncm
[    7.908382] aoe: AoE v85 initialised.
[    7.913221] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    7.920000] ehci-pci: EHCI PCI platform driver
[    7.924863] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    7.931252] ohci-pci: OHCI PCI platform driver
[    7.936092] uhci_hcd: USB Universal Host Controller Interface driver
[    7.943098] usbcore: registered new interface driver usblp
[    7.948977] usbcore: registered new interface driver usb-storage
[    7.955864] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
[    7.964748] i8042: Warning: Keylock active
[    7.970306] serio: i8042 KBD port at 0x60,0x64 irq 1
[    7.975472] serio: i8042 AUX port at 0x60,0x64 irq 12
[    7.982456] mousedev: PS/2 mouse device common for all mice
[    7.991480] rtc_cmos 00:00: RTC can wake from S4
[    7.997452] rtc_cmos 00:00: registered as rtc0
[    8.002322] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram
[    8.008920] i2c /dev entries driver
[    8.014753] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr
[    8.025211] i2c-parport-light: adapter type unspecified
[    8.030782] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF
[    8.039403] usbcore: registered new interface driver i2c-tiny-usb
[    8.049860] device-mapper: ioctl: 4.39.0-ioctl (2018-04-03) initialised: dm-devel@redhat.com
[    8.059459] device-mapper: raid: Loading target version 1.13.2
[    8.065707] usbcore: registered new interface driver btusb
[    8.073378] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013)
[    8.081147] usnic_verbs:usnic_uiom_init:585: 
[    8.081165] IOMMU required but not present or enabled.  USNIC QPs will not function w/o enabling IOMMU
[    8.095132] usnic_verbs:usnic_ib_init:649: 
[    8.095143] Unable to initalize umem with err -1
[    8.106283] iscsi: registered transport (iser)
[    8.110906] OPA Virtual Network Driver - v1.0
[    8.115676] hidraw: raw HID events driver (C) Jiri Kosina
[    8.125088] usbcore: registered new interface driver usbhid
[    8.130876] usbhid: USB HID core driver
[    8.136901] NET: Registered protocol family 40
[    8.182717] NET: Registered protocol family 26
[    8.187442] Mirror/redirect action on
[    8.191362] Simple TC action Loaded
[    8.196335] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2
[    8.199840] netem: version 1.3
[    8.212286] u32 classifier
[    8.215221]     Actions configured
[    8.221277] nf_conntrack_irc: failed to register helpers
[    8.226856] nf_conntrack_sane: failed to register helpers
[    8.265105] nf_conntrack_sip: failed to register helpers
[    8.274383] xt_time: kernel timezone is -0000
[    8.279185] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP)
[    8.285512] IPVS: Connection hash table configured (size=4096, memory=64Kbytes)
[    8.293401] IPVS: ipvs loaded.
[    8.296619] IPVS: [rr] scheduler registered.
[    8.301057] IPVS: [wrr] scheduler registered.
[    8.305583] IPVS: [lc] scheduler registered.
[    8.310007] IPVS: [wlc] scheduler registered.
[    8.314562] IPVS: [fo] scheduler registered.
[    8.318992] IPVS: [ovf] scheduler registered.
[    8.323538] IPVS: [lblc] scheduler registered.
[    8.328154] IPVS: [lblcr] scheduler registered.
[    8.332851] IPVS: [dh] scheduler registered.
[    8.337979] IPVS: [sh] scheduler registered.
[    8.342418] IPVS: [sed] scheduler registered.
[    8.346924] IPVS: [nq] scheduler registered.
[    8.351375] IPVS: ftp: loaded support on port[0] = 21
[    8.356578] IPVS: [sip] pe registered.
[    8.360858] ipip: IPv4 and MPLS over IPv4 tunneling driver
[    8.368888] gre: GRE over IPv4 demultiplexor driver
[    8.374007] ip_gre: GRE over IPv4 tunneling driver
[    8.384172] IPv4 over IPsec tunneling driver
[    8.391793] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully
[    8.398551] Initializing XFRM netlink socket
[    8.405656] NET: Registered protocol family 10
[    8.421351] Segment Routing with IPv6
[    8.425447] mip6: Mobile IPv6
[    8.432366] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[    8.442855] ip6_gre: GRE over IPv6 tunneling driver
[    8.450170] NET: Registered protocol family 17
[    8.454880] NET: Registered protocol family 15
[    8.459628] Bridge firewalling registered
[    8.464651] can: controller area network core (rev 20170425 abi 9)
[    8.471195] NET: Registered protocol family 29
[    8.475817] can: raw protocol (rev 20170425)
[    8.480234] can: broadcast manager protocol (rev 20170425 t)
[    8.486100] can: netlink gateway (rev 20170425) max_hops=1
[    8.492605] Bluetooth: RFCOMM TTY layer initialized
[    8.497694] Bluetooth: RFCOMM socket layer initialized
[    8.503064] Bluetooth: RFCOMM ver 1.11
[    8.507076] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    8.512538] Bluetooth: BNEP filters: protocol multicast
[    8.517930] Bluetooth: BNEP socket layer initialized
[    8.523083] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[    8.529163] Bluetooth: HIDP socket layer initialized
[    8.535129] RPC: Registered rdma transport module.
[    8.540127] RPC: Registered rdma backchannel transport module.
[    8.546641] NET: Registered protocol family 41
[    8.551757] lec:lane_module_init: lec.c: initialized
[    8.556920] mpoa:atm_mpoa_init: mpc.c: initialized
[    8.561947] l2tp_core: L2TP core driver, V2.0
[    8.566487] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[    8.571429] 8021q: 802.1Q VLAN Support v1.8
[    8.606726] DCCP: Activated CCID 2 (TCP-like)
[    8.611347] DCCP: Activated CCID 3 (TCP-Friendly Rate Control)
[    8.620576] sctp: Hash tables configured (bind 256/256)
[    8.628322] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4
[    8.629867] NET: Registered protocol family 21
[    8.642705] Registered RDS/infiniband transport
[    8.647653] Registered RDS/tcp transport
[    8.651743] tipc: Activated (version 2.0.0)
[    8.656279] NET: Registered protocol family 30
[    8.661330] tipc: Started in single node mode
[    8.666865] NET: Registered protocol family 43
[    8.671594] 9pnet: Installing 9P2000 support
[    8.680454] NET: Registered protocol family 36
[    8.685537] Key type dns_resolver registered
[    8.690037] Key type ceph registered
[    8.694303] libceph: loaded (mon/osd proto 15/24)
[    8.699340] openvswitch: Open vSwitch switching datapath
[    8.706441] mpls_gso: MPLS GSO support
[    8.714717] sched_clock: Marking stable (8714018276, 0)->(8811054071, -97035795)
[    8.725598] registered taskstats version 1
[    8.729863] Loading compiled-in X.509 certificates
[    8.743312] Btrfs loaded, crc32c=crc32c-generic
[    8.756738] Key type big_key registered
[    8.765941] console [netcon0] enabled
[    8.769795] netconsole: network logging started
[    8.774799] gtp: GTP module loaded (pdp ctx size 104 bytes)
[    8.781916] rdma_rxe: loaded
[    8.785352] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[    9.111671] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[    9.118679] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[    9.120107] ALSA device list:
[    9.127495] cfg80211: failed to load regulatory.db
[    9.130629]   #0: Dummy 1
[    9.138389]   #1: Loopback 1
[    9.141431]   #2: Virtual MIDI Card 1
[    9.146219] md: Waiting for all devices to be available before autodetect
[    9.147316] md: If you don't use raid, use raid=noautodetect
[    9.150417] md: Autodetecting RAID arrays.
[    9.151077] md: autorun ...
[    9.151494] md: ... autorun DONE.
[    9.278622] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null)
[    9.280176] VFS: Mounted root (ext4 filesystem) readonly on device 8:1.
[    9.388443] devtmpfs: mounted
[    9.396928] Freeing unused kernel memory: 4460K
[    9.397680] Kernel memory protection disabled.
[   10.003351] SELinux:  Disabled at runtime.
[   10.031382] audit: type=1404 audit(1526113453.030:2): selinux=0 auid=4294967295 ses=4294967295

INIT: version 2.88 booting
[   10.663318] tput (2160) used greatest stack depth: 56056 bytes left
[info] Using makefile-style concurrent boot in runlevel S.
[....] Starting the hotplug events dispatcher: udevd[   11.892309] udevd[2268]: 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.
[   19.625397] 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
[   24.677422] logsave (3755) used greatest stack depth: 55480 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
[?25l[?1c7[ ok 8[?25h[?0cdone.
[   26.746551] random: dd: uninitialized urandom read (512 bytes read)
[....] Configuring network interfaces...[   27.070242] ip (4147) used greatest stack depth: 54600 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:80:00:1b
Sending on   LPF/eth0/42:01:0a:80:00:1b
Sending on   Socket/fallback
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPOFFER from 169.254.169.254
DHCPACK from 169.254.169.254
bound to 10.128.0.27 -- renewal in 36116 seconds.
[?25l[?1c7[ ok 8[?25h[?0cdone.
[....] Cleaning up temporary files...[?25l[?1c7[ ok 8[?25h[?0c.
[   28.576356] Not allocated shadow for addr ffff8801a3fd0000 (page ffffea0009d7ee00)
[   28.584090] Attempted to access 98 bytes
[   28.588162] ------------[ cut here ]------------

Crashes (13):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/05/12 08:31 https://github.com/google/kmsan.git master 9bad779decc0 e726f42b .config console log report ci-upstream-kmsan-gce
2018/04/06 16:10 https://github.com/google/kmsan.git master 29a73caa503d 4f1152d4 .config console log report ci-upstream-kmsan-gce
2018/04/06 15:10 https://github.com/google/kmsan.git master 31cb07d1f374 4f1152d4 .config console log report ci-upstream-kmsan-gce
2018/04/06 14:10 https://github.com/google/kmsan.git master e7c022e226ad 4f1152d4 .config console log report ci-upstream-kmsan-gce
2018/04/06 12:10 https://github.com/google/kmsan.git master dc30a7ec7362 4f1152d4 .config console log report ci-upstream-kmsan-gce
2018/04/06 11:40 https://github.com/google/kmsan.git master 5b80bb6773b0 4f1152d4 .config console log report ci-upstream-kmsan-gce
2018/04/06 10:31 https://github.com/google/kmsan.git master a43766b0ef28 4f1152d4 .config console log report ci-upstream-kmsan-gce
2018/04/05 22:06 https://github.com/google/kmsan.git master a43766b0ef28 a932eae6 .config console log report ci-upstream-kmsan-gce
2018/04/05 10:40 https://github.com/google/kmsan.git master a43766b0ef28 5e1ccffc .config console log report ci-upstream-kmsan-gce
2018/04/04 14:41 https://github.com/google/kmsan.git master a43766b0ef28 676bd07e .config console log report ci-upstream-kmsan-gce
2018/04/04 12:32 https://github.com/google/kmsan.git master 0f35ce79c491 676bd07e .config console log report ci-upstream-kmsan-gce
2018/04/03 20:51 https://github.com/google/kmsan.git master 408f483dafc2 676bd07e .config console log report ci-upstream-kmsan-gce
2018/04/03 20:14 https://github.com/google/kmsan.git master 0a197038bde6 676bd07e .config console log report ci-upstream-kmsan-gce
* Struck through repros no longer work on HEAD.