syzbot


unexpected kernel reboot (2)

Status: fixed on 2018/07/09 18:05
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 0447378a4a79 kvm: vmx: Nested VM-entry prereqs for event inj.
First crash: 1587d, last: 1497d
similar bugs (11):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream unexpected kernel reboot (5) C done 11545 415d 445d 0/23 closed as invalid on 2021/06/26 12:39
upstream unexpected kernel reboot (4) C unreliable 137 477d 488d 0/23 closed as invalid on 2021/04/27 13:31
upstream unexpected kernel reboot (6) 3 403d 412d 0/23 auto-closed as invalid on 2021/11/05 06:47
linux-4.4 unexpected kernel reboot 1 1169d 1169d 0/1 auto-closed as invalid on 2019/10/25 08:37
upstream unexpected kernel reboot (3) C error error 21132 492d 1493d 22/23 fixed on 2021/04/09 19:46
upstream unexpected kernel reboot C 983 1712d 1704d 0/23 closed as invalid on 2018/02/01 20:22
android-54 unexpected kernel reboot C 98 483d 611d 0/2 upstream: reported C repro on 2020/12/11 18:05
linux-4.14 unexpected kernel reboot C 561 2d19h 981d 0/1 upstream: reported C repro on 2019/12/08 04:18
linux-4.19 unexpected kernel reboot C done 684 393d 1169d 1/1 fixed on 2021/08/17 14:12
android-44 unexpected kernel reboot syz 282 1446d 1219d 0/2 public: reported syz repro on 2019/04/14 00:02
upstream unexpected kernel reboot (7) 3 130d 247d 0/23 auto-closed as invalid on 2022/07/05 15:06

Sample crash report:
output_len: 0x00000000092439b0
kernel_total_size: 0x000000000a502000
trampoline_32bit: 0x000000000009d000

Decompressing Linux... Parsing ELF... done.
Booting the kernel.
[    0.000000] Linux version 4.18.0-rc2+ (syzkaller@ci) (gcc version 8.0.1 20180413 (experimental) (GCC)) #119 SMP Wed Jun 27 17:12:32 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] 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] Hypervisor detected: KVM
[    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 0x000f2310-0x000f231f] 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 0x00000000000F22D0 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 4612425108 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] [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] random: get_random_bytes called from boot_init_stack_canary arch/x86/include/asm/stackprotector.h:75 [inline] with crng_init=0
[    0.000000] random: get_random_bytes called from start_kernel+0x112/0x949 init/main.c:559 with crng_init=0
[    0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:1
[    0.000000] percpu: Embedded 56 pages/cpu @(____ptrval____) s188488 r8192 d32696 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 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: 6499796K/7863876K available (110620K kernel code, 12316K rwdata, 16068K rodata, 3968K init, 23140K bss, 1364080K 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 20180531
[    0.001000] APIC: Switch to symmetric I/O mode setup
[    0.001549] x2apic enabled
[    0.003017] Switched APIC routing to physical x2apic.
[    0.006995] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[    0.007000] tsc: Detected 2300.000 MHz processor
[    0.007037] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns
[    0.008030] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=2300000)
[    0.009013] pid_max: default: 32768 minimum: 301
[    0.011471] Security Framework initialized
[    0.012013] Yama: becoming mindful.
[    0.012637] SELinux:  Initializing.
[    0.013343] AppArmor: AppArmor disabled by boot time parameter
[    0.019520] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes)
[    0.022431] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes)
[    0.023133] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes)
[    0.024705] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes)
[    0.027367] CPU: Physical Processor ID: 0
[    0.028067] mce: CPU supports 32 MCE banks
[    0.029130] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024
[    0.030010] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4
[    0.031025] Spectre V2 : Mitigation: Full generic retpoline
[    0.032008] Speculative Store Bypass: Vulnerable
[    0.034586] Freeing SMP alternatives memory: 64K
[    0.038000] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0)
[    0.039341] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only.
[    0.040261] Hierarchical SRCU implementation.
[    0.042145] NMI watchdog: Perf event create on CPU 0 failed with -2
[    0.043010] NMI watchdog: Perf NMI watchdog permanently disabled
[    0.044455] smp: Bringing up secondary CPUs ...
[    0.047635] x86: Booting SMP configuration:
[    0.048012] .... node  #0, CPUs:      #1
[    0.001000] kvm-clock: cpu 1, msr 2:1fff8041, secondary cpu clock
[    0.051251] smp: Brought up 1 node, 2 CPUs
[    0.052049] smpboot: Max logical packages: 1
[    0.053015] smpboot: Total of 2 processors activated (9200.00 BogoMIPS)
[    0.057388] devtmpfs: initialized
[    0.072339] kworker/u4:0 (24) used greatest stack depth: 24072 bytes left
[    0.075140] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
[    0.077121] futex hash table entries: 512 (order: 4, 65536 bytes)
[    0.079106] xor: automatically using best checksumming function   avx       
[    0.080580] RTC time:  0:38:33, date: 06/28/18
[    0.090050] NET: Registered protocol family 16
[    0.093258] audit: initializing netlink subsys (disabled)
[    0.094140] audit: type=2000 audit(1530146313.137:1): state=initialized audit_enabled=0 res=1
[    0.097105] kworker/u4:1 (39) used greatest stack depth: 23840 bytes left
[    0.098659] cpuidle: using governor menu
[    0.101146] ACPI: bus type PCI registered
[    0.102638] PCI: Using configuration type 1 for base access
[    0.116372] kworker/u4:1 (87) used greatest stack depth: 23720 bytes left
[    0.153275] kworker/u4:0 (275) used greatest stack depth: 23592 bytes left
[    0.153486] kworker/u4:1 (252) used greatest stack depth: 22408 bytes left
[    0.305334] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[    0.308197] cryptd: max_cpu_qlen set to 1000
[    0.326947] raid6: sse2x1   gen()  1328 MB/s
[    0.344000] raid6: sse2x1   xor()  1037 MB/s
[    0.360941] raid6: sse2x2   gen()  3515 MB/s
[    0.377930] raid6: sse2x2   xor()  1857 MB/s
[    0.394934] raid6: sse2x4   gen()  5769 MB/s
[    0.412972] raid6: sse2x4   xor()  3279 MB/s
[    0.429936] raid6: avx2x1   gen()  3578 MB/s
[    0.446935] raid6: avx2x1   xor()  2001 MB/s
[    0.464934] raid6: avx2x2   gen()  6671 MB/s
[    0.481934] raid6: avx2x2   xor()  3615 MB/s
[    0.498940] raid6: avx2x4   gen() 10730 MB/s
[    0.515935] raid6: avx2x4   xor()  5812 MB/s
[    0.516015] raid6: using algorithm avx2x4 gen() 10730 MB/s
[    0.517010] raid6: .... xor() 5812 MB/s, rmw enabled
[    0.518019] raid6: using avx2x2 recovery algorithm
[    0.520077] ACPI: Added _OSI(Module Device)
[    0.520717] ACPI: Added _OSI(Processor Device)
[    0.521017] ACPI: Added _OSI(3.0 _SCP Extensions)
[    0.522031] ACPI: Added _OSI(Processor Aggregator Device)
[    0.522801] ACPI: Added _OSI(Linux-Dell-Video)
[    0.712555] ACPI: 2 ACPI AML tables successfully acquired and loaded
[    1.210291] ACPI: Interpreter enabled
[    1.211095] ACPI: (supports S0 S3 S4 S5)
[    1.211653] ACPI: Using IOAPIC for interrupt routing
[    1.212224] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    1.215899] ACPI: Enabled 16 GPEs in block 00 to 0F
[    1.752816] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[    1.754053] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI]
[    1.755247] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[    1.756284] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[    1.763367] PCI host bridge to bus 0000:00
[    1.764044] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
[    1.765033] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
[    1.766024] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[    1.767020] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
[    1.769034] pci_bus 0000:00: root bus resource [bus 00-ff]
[    1.807177] pci 0000:00:01.3: quirk: [io  0xb000-0xb03f] claimed by PIIX4 ACPI
[    1.865036] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[    1.868302] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[    1.872195] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[    1.876056] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[    1.879405] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[    2.240442] vgaarb: loaded
[    2.242859] SCSI subsystem initialized
[    2.245083] ACPI: bus type USB registered
[    2.246465] usbcore: registered new interface driver usbfs
[    2.248428] usbcore: registered new interface driver hub
[    2.250203] usbcore: registered new device driver usb
[    2.253362] pps_core: LinuxPPS API ver. 1 registered
[    2.255367] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    2.256086] PTP clock support registered
[    2.258268] EDAC MC: Ver: 3.0.0
[    2.262524] Advanced Linux Sound Architecture Driver Initialized.
[    2.264338] PCI: Using ACPI for IRQ routing
[    2.268170] Bluetooth: Core ver 2.22
[    2.268973] NET: Registered protocol family 31
[    2.269025] Bluetooth: HCI device and connection manager initialized
[    2.270050] Bluetooth: HCI socket layer initialized
[    2.270736] Bluetooth: L2CAP socket layer initialized
[    2.272053] Bluetooth: SCO socket layer initialized
[    2.272913] NET: Registered protocol family 8
[    2.273011] NET: Registered protocol family 20
[    2.274192] NetLabel: Initializing
[    2.275020] NetLabel:  domain hash size = 128
[    2.275662] NetLabel:  protocols = UNLABELED CIPSOv4 CALIPSO
[    2.277035] NetLabel:  unlabeled traffic allowed by default
[    2.279074] nfc: nfc_init: NFC Core ver 0.1
[    2.280322] NET: Registered protocol family 39
[    2.282940] clocksource: Switched to clocksource kvm-clock
[    2.761838] VFS: Disk quotas dquot_6.6.0
[    2.763426] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[    2.765712] FS-Cache: Loaded
[    2.767273] CacheFiles: Loaded
[    2.768422] pnp: PnP ACPI init
[    2.779558] pnp: PnP ACPI: found 7 devices
[    2.821959] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[    2.824852] NET: Registered protocol family 2
[    2.827741] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes)
[    2.829821] TCP established hash table entries: 65536 (order: 7, 524288 bytes)
[    2.833658] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes)
[    2.839360] TCP: Hash tables configured (established 65536 bind 65536)
[    2.841218] UDP hash table entries: 4096 (order: 7, 655360 bytes)
[    2.844251] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes)
[    2.846972] NET: Registered protocol family 1
[    2.849645] RPC: Registered named UNIX socket transport module.
[    2.851610] RPC: Registered udp transport module.
[    2.852842] RPC: Registered tcp transport module.
[    2.854170] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    2.857707] NET: Registered protocol family 44
[    2.859391] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[    2.861954] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[    2.864114] software IO TLB [mem 0xbbff3000-0xbfff3000] (64MB) mapped at [(____ptrval____)-(____ptrval____)]
[    2.868425] RAPL PMU: API unit is 2^-32 Joules, 3 fixed counters, 10737418240 ms ovfl timer
[    2.870684] RAPL PMU: hw unit of domain pp0-core 2^-0 Joules
[    2.871796] RAPL PMU: hw unit of domain package 2^-0 Joules
[    2.872813] RAPL PMU: hw unit of domain dram 2^-16 Joules
[    2.874110] VPID CAP should not exist if not support 1-setting enable VPID VM-execution control
[    2.876959] kvm: already loaded the other module
[    2.878053] Machine check injector initialized
[    2.883919] Scanning for low memory corruption every 60 seconds
[    2.924290] Initialise system trusted keyrings
[    2.925945] workingset: timestamp_bits=40 max_order=21 bucket_order=0
[    2.931647] DLM installed
[    2.934256] NFS: Registering the id_resolver key type
[    2.935256] Key type id_resolver registered
[    2.936202] Key type id_legacy registered
[    2.936925] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[    2.938153] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
[    2.941491] ntfs: driver 2.1.32 [Flags: R/W].
[    2.943300] fuse init (API version 7.27)
[    2.945509] JFS: nTxBlock = 8192, nTxLock = 65536
[    2.953873] SGI XFS with ACLs, security attributes, realtime, no debug enabled
[    2.957350] 9p: Installing v9fs 9p2000 file system support
[    2.958315] FS-Cache: Netfs '9p' registered for caching
[    2.962033] gfs2: GFS2 installed
[    2.963919] FS-Cache: Netfs 'ceph' registered for caching
[    2.964965] ceph: loaded (mds proto 32)
[    2.996644] NET: Registered protocol family 38
[    2.999133] async_tx: api initialized (async)
[    3.000077] Key type asymmetric registered
[    3.000784] Asymmetric key parser 'x509' registered
[    3.001582] Key type pkcs7_test registered
[    3.002607] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
[    3.004138] io scheduler noop registered
[    3.004801] io scheduler deadline registered
[    3.005797] io scheduler cfq registered (default)
[    3.006977] io scheduler mq-deadline registered
[    3.007708] io scheduler kyber registered
[    3.008567] io scheduler bfq registered
[    3.013197] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[    3.014839] ACPI: Power Button [PWRF]
[    3.016867] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
[    3.018492] ACPI: Sleep Button [SLPF]
[    3.033984] PCI Interrupt Link [LNKC] enabled at IRQ 11
[    3.035388] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
[    3.048238] PCI Interrupt Link [LNKD] enabled at IRQ 10
[    3.049241] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
[    3.055997] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[    3.079459] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[    3.105494] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[    3.130837] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A
[    3.156149] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A
[    3.163672] Non-volatile memory driver v1.3
[    3.165394] Linux agpgart interface v0.103
[    3.168967] [drm] radeon kernel modesetting enabled.
[    3.170841] [drm] amdgpu kernel modesetting enabled.
[    3.210647] brd: module loaded
[    3.231126] loop: module loaded
[    3.274621] null: module loaded
[    3.278179] nfcsim 0.2 initialized
[    3.280663] Loading iSCSI transport class v2.0-870.
[    3.298813] scsi host0: Virtio SCSI HBA
[    3.354324] scsi 0:0:1:0: Direct-Access     Google   PersistentDisk   1    PQ: 0 ANSI: 6
[    3.686926] random: fast init done
[    3.935342] tsc: Refined TSC clocksource calibration: 2299.805 MHz
[    3.937121] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x21267d10f42, max_idle_ns: 440795275523 ns
[    4.126556] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB)
[    4.126642] sd 0:0:1:0: Attached scsi generic sg0 type 0
[    4.129358] sd 0:0:1:0: [sda] 4096-byte physical blocks
[    4.131873] Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
[    4.133982] sd 0:0:1:0: [sda] Write Protect is off
[    4.135562] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[    4.154633] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com)
[    4.162239] MACsec IEEE 802.1AE
[    4.163554]  sda: sda1
[    4.163847] tun: Universal TUN/TAP device driver, 1.6
[    4.171963] sd 0:0:1:0: [sda] Attached SCSI disk
[    4.194452] vcan: Virtual CAN interface driver
[    4.195537] vxcan: Virtual CAN Tunnel driver
[    4.196552] slcan: serial line CAN interface driver
[    4.197985] slcan: 10 dynamic interface channels.
[    4.199086] CAN device driver interface
[    4.200404] enic: Cisco VIC Ethernet NIC Driver, ver 2.3.0.53
[    4.202206] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI
[    4.203625] e100: Copyright(c) 1999-2006 Intel Corporation
[    4.205492] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
[    4.207051] e1000: Copyright (c) 1999-2006 Intel Corporation.
[    4.208522] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[    4.210128] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[    4.211575] sky2: driver version 1.30
[    4.213788] PPP generic driver version 2.4.2
[    4.215664] PPP BSD Compression module registered
[    4.216955] PPP Deflate Compression module registered
[    4.218290] PPP MPPE Compression module registered
[    4.219461] NET: Registered protocol family 24
[    4.220604] PPTP driver version 0.8.5
[    4.222217] mac80211_hwsim: initializing netlink
[    4.235228] usbcore: registered new interface driver asix
[    4.236883] usbcore: registered new interface driver ax88179_178a
[    4.238391] usbcore: registered new interface driver cdc_ether
[    4.239933] usbcore: registered new interface driver net1080
[    4.241451] usbcore: registered new interface driver cdc_subset
[    4.242935] usbcore: registered new interface driver zaurus
[    4.244499] usbcore: registered new interface driver cdc_ncm
[    4.251953] aoe: AoE v85 initialised.
[    4.253912] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    4.255502] ehci-pci: EHCI PCI platform driver
[    4.256792] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[    4.258337] ohci-pci: OHCI PCI platform driver
[    4.259662] uhci_hcd: USB Universal Host Controller Interface driver
[    4.261922] usbcore: registered new interface driver usblp
[    4.263701] usbcore: registered new interface driver usb-storage
[    4.266124] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
[    4.269207] i8042: Warning: Keylock active
[    4.272402] serio: i8042 KBD port at 0x60,0x64 irq 1
[    4.273807] serio: i8042 AUX port at 0x60,0x64 irq 12
[    4.277551] mousedev: PS/2 mouse device common for all mice
[    4.283153] rtc_cmos 00:00: RTC can wake from S4
[    4.285866] rtc_cmos 00:00: registered as rtc0
[    4.287049] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram
[    4.289525] i2c /dev entries driver
[    4.292377] piix4_smbus 0000:00:01.3: SMBus base address uninitialized - upgrade BIOS or use force_addr=0xaddr
[    4.295261] i2c-parport-light: adapter type unspecified
[    4.296849] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF
[    4.299538] usbcore: registered new interface driver i2c-tiny-usb
[    4.303502] device-mapper: ioctl: 4.39.0-ioctl (2018-04-03) initialised: dm-devel@redhat.com
[    4.306646] device-mapper: raid: Loading target version 1.13.2
[    4.308359] usbcore: registered new interface driver btusb
[    4.311671] usnic_verbs: Cisco VIC (USNIC) Verbs Driver v1.0.3 (December 19, 2013)
[    4.313906] usnic_verbs:usnic_uiom_init:585: 
[    4.313912] IOMMU required but not present or enabled.  USNIC QPs will not function w/o enabling IOMMU
[    4.317827] usnic_verbs:usnic_ib_init:649: 
[    4.317833] Unable to initalize umem with err -1
[    4.321474] iscsi: registered transport (iser)
[    4.322792] OPA Virtual Network Driver - v1.0
[    4.331227] hidraw: raw HID events driver (C) Jiri Kosina
[    4.336755] usbcore: registered new interface driver usbhid
[    4.338421] usbhid: USB HID core driver
[    4.341974] NET: Registered protocol family 40
[    4.344947] ashmem: initialized
[    4.399986] NET: Registered protocol family 26
[    4.401439] Mirror/redirect action on
[    4.402567] Simple TC action Loaded
[    4.404980] netem: version 1.3
[    4.406133] u32 classifier
[    4.406805]     Actions configured
[    4.409738] nf_conntrack_irc: failed to register helpers
[    4.411300] nf_conntrack_sane: failed to register helpers
[    4.448614] nf_conntrack_sip: failed to register helpers
[    4.452911] xt_time: kernel timezone is -0000
[    4.454385] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP)
[    4.456162] IPVS: Connection hash table configured (size=4096, memory=64Kbytes)
[    4.458699] IPVS: ipvs loaded.
[    4.459579] IPVS: [rr] scheduler registered.
[    4.460682] IPVS: [wrr] scheduler registered.
[    4.461989] IPVS: [lc] scheduler registered.
[    4.463329] IPVS: [wlc] scheduler registered.
[    4.464411] IPVS: [fo] scheduler registered.
[    4.465631] IPVS: [ovf] scheduler registered.
[    4.466776] IPVS: [lblc] scheduler registered.
[    4.467983] IPVS: [lblcr] scheduler registered.
[    4.469195] IPVS: [dh] scheduler registered.
[    4.470464] IPVS: [sh] scheduler registered.
[    4.471733] IPVS: [mh] scheduler registered.
[    4.472905] IPVS: [sed] scheduler registered.
[    4.474259] IPVS: [nq] scheduler registered.
[    4.475511] IPVS: ftp: loaded support on port[0] = 21
[    4.476808] IPVS: [sip] pe registered.
[    4.478007] ipip: IPv4 and MPLS over IPv4 tunneling driver
[    4.481350] gre: GRE over IPv4 demultiplexor driver
[    4.482608] ip_gre: GRE over IPv4 tunneling driver
[    4.488988] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2
[    4.490406] IPv4 over IPsec tunneling driver
[    4.496952] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully
[    4.501161] Initializing XFRM netlink socket
[    4.502719] NET: Registered protocol family 10
[    4.511526] Segment Routing with IPv6
[    4.512699] mip6: Mobile IPv6
[    4.517378] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[    4.522875] ip6_gre: GRE over IPv6 tunneling driver
[    4.529680] bpfilter: Loaded bpfilter_umh pid 2223
Started bpfilter
[    4.532733] NET: Registered protocol family 17
[    4.533514] NET: Registered protocol family 15
[    4.534690] Bridge firewalling registered
[    4.536257] can: controller area network core (rev 20170425 abi 9)
[    4.537429] NET: Registered protocol family 29
[    4.538116] can: raw protocol (rev 20170425)
[    4.538768] can: broadcast manager protocol (rev 20170425 t)
[    4.539638] can: netlink gateway (rev 20170425) max_hops=1
[    4.540917] Bluetooth: RFCOMM TTY layer initialized
[    4.541741] Bluetooth: RFCOMM socket layer initialized
[    4.542734] Bluetooth: RFCOMM ver 1.11
[    4.543332] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    4.544114] Bluetooth: BNEP filters: protocol multicast
[    4.544877] Bluetooth: BNEP socket layer initialized
[    4.545618] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[    4.546502] Bluetooth: HIDP socket layer initialized
[    4.547811] RPC: Registered rdma transport module.
[    4.548600] RPC: Registered rdma backchannel transport module.
[    4.549961] NET: Registered protocol family 41
[    4.550967] lec:lane_module_init: lec.c: initialized
[    4.551817] mpoa:atm_mpoa_init: mpc.c: initialized
[    4.552578] l2tp_core: L2TP core driver, V2.0
[    4.553395] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[    4.554112] 8021q: 802.1Q VLAN Support v1.8
[    4.564619] DCCP: Activated CCID 2 (TCP-like)
[    4.565498] DCCP: Activated CCID 3 (TCP-Friendly Rate Control)
[    4.567257] sctp: Hash tables configured (bind 64/64)
[    4.569260] NET: Registered protocol family 21
[    4.571179] Registered RDS/infiniband transport
[    4.572389] Registered RDS/tcp transport
[    4.572982] tipc: Activated (version 2.0.0)
[    4.573983] NET: Registered protocol family 30
[    4.575587] tipc: Started in single node mode
[    4.576566] NET: Registered protocol family 43
[    4.577687] 9pnet: Installing 9P2000 support
[    4.581135] NET: Registered protocol family 36
[    4.582207] Key type dns_resolver registered
[    4.582926] Key type ceph registered
[    4.583953] libceph: loaded (mon/osd proto 15/24)
[    4.584823] openvswitch: Open vSwitch switching datapath
[    4.587319] mpls_gso: MPLS GSO support
[    4.601534] AVX2 version of gcm_enc/dec engaged.
[    4.602287] AES CTR mode by8 optimization enabled
[    4.609703] sched_clock: Marking stable (4609661601, 0)->(6356197510, -1746535909)
[    4.615680] registered taskstats version 1
[    4.616469] Loading compiled-in X.509 certificates
[    4.618199] zswap: default zpool zbud not available
[    4.619277] zswap: pool creation failed
[    4.624766] Btrfs loaded, crc32c=crc32c-intel
[    4.628494] Key type big_key registered
[    4.630462] Key type encrypted registered
[    4.632641]   Magic number: 6:681:608
[    4.633739] misc dlm-control: hash matches
[    4.634959] console [netcon0] enabled
[    4.635684] netconsole: network logging started
[    4.636872] gtp: GTP module loaded (pdp ctx size 104 bytes)
[    4.639609] rdma_rxe: loaded
[    4.640443] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[    4.644573] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[    4.646249] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
[    4.647258] ALSA device list:
[    4.647657] cfg80211: failed to load regulatory.db
[    4.648063]   #0: Dummy 1
[    4.648072]   #1: Loopback 1
[    4.649923]   #2: Virtual MIDI Card 1
[    4.912979] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4
[    4.916835] md: Waiting for all devices to be available before autodetect
[    4.917972] md: If you don't use raid, use raid=noautodetect
[    4.921937] md: Autodetecting RAID arrays.
[    4.922796] md: autorun ...
[    4.923222] md: ... autorun DONE.

Crashes (2073):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2018/06/28 00:42 upstream debd52a05061 43e60f7e .config log report syz C
ci-upstream-kasan-gce 2018/06/28 00:13 upstream debd52a05061 43e60f7e .config log report syz C
ci-upstream-kasan-gce-root 2018/05/26 06:53 upstream 62d18ecfa641 f48c20b8 .config log report syz C
ci-upstream-kasan-gce 2018/05/09 14:19 upstream 036db8bd9637 12c7428a .config log report syz C
ci-upstream-kasan-gce 2018/04/14 08:07 upstream 1bad9ce155a7 7a67784c .config log report syz C
ci-upstream-kasan-gce 2018/04/10 15:59 upstream c18bb396d3d2 8e873e9d .config log report syz C
ci-upstream-kasan-gce-root 2018/05/09 13:47 upstream 036db8bd9637 12c7428a .config log report syz
ci-upstream-kasan-gce-root 2018/04/14 07:41 upstream 1bad9ce155a7 7a67784c .config log report syz
ci-upstream-kasan-gce-root 2018/04/10 11:04 upstream c18bb396d3d2 b9f65507 .config log report syz
ci-upstream-kasan-gce-386 2018/04/27 07:27 upstream 0644f186fc9d 73417389 .config log report syz
ci-upstream-kasan-gce 2018/07/09 15:19 upstream 1e4b044d2251 f25e5770 .config log report
ci-upstream-kasan-gce-root 2018/07/09 09:01 upstream ca04b3cca11a f25e5770 .config log report
ci-upstream-kasan-gce 2018/07/09 06:35 upstream ca04b3cca11a f25e5770 .config log report
ci-upstream-kasan-gce-root 2018/07/08 09:54 upstream b2d44d145d2a c9a7a4dc .config log report
ci-upstream-kasan-gce 2018/07/08 08:47 upstream b2d44d145d2a c9a7a4dc .config log report
ci-upstream-kasan-gce 2018/07/08 05:00 upstream b2d44d145d2a c9a7a4dc .config log report
ci-upstream-kasan-gce 2018/07/08 01:47 upstream 624434af256a ab89aea9 .config log report
ci-upstream-kasan-gce 2018/07/07 20:41 upstream 624434af256a ab89aea9 .config log report
ci-upstream-kasan-gce 2018/07/07 15:22 upstream 624434af256a ab89aea9 .config log report
ci-upstream-kasan-gce-root 2018/07/07 12:07 upstream 29119529d8de 6c0c0099 .config log report
ci-upstream-kasan-gce 2018/07/07 12:04 upstream 29119529d8de 6c0c0099 .config log report
ci-upstream-kasan-gce 2018/07/07 10:37 upstream 29119529d8de 6c0c0099 .config log report
ci-upstream-kasan-gce 2018/07/07 09:09 upstream 29119529d8de 6c0c0099 .config log report
ci-upstream-kasan-gce-root 2018/07/07 08:06 upstream 29119529d8de 6c0c0099 .config log report
ci-upstream-kasan-gce-root 2018/07/07 03:46 upstream 29119529d8de 6c0c0099 .config log report
ci-upstream-kasan-gce 2018/07/07 01:49 upstream b4d0562137c9 9636bc93 .config log report
ci-upstream-kasan-gce-root 2018/07/06 23:04 upstream b4d0562137c9 9636bc93 .config log report
ci-upstream-kasan-gce 2018/07/06 21:56 upstream b4d0562137c9 9636bc93 .config log report
ci-upstream-kasan-gce 2018/07/06 17:08 upstream b4d0562137c9 9636bc93 .config log report
ci-upstream-kasan-gce 2018/07/06 14:07 upstream c42c12a90545 9636bc93 .config log report
ci-upstream-kasan-gce-root 2018/07/06 12:22 upstream c42c12a90545 18403e65 .config log report
ci-upstream-kasan-gce 2018/07/06 10:02 upstream c42c12a90545 18403e65 .config log report
ci-upstream-kasan-gce-root 2018/07/06 06:23 upstream c42c12a90545 d3b2a0e2 .config log report
ci-upstream-kasan-gce 2018/07/06 01:07 upstream fc36def997cf d3b2a0e2 .config log report
ci-upstream-kasan-gce 2018/07/05 22:57 upstream fc36def997cf d3b2a0e2 .config log report
ci-upstream-kasan-gce 2018/07/05 20:52 upstream fc36def997cf d3b2a0e2 .config log report
ci-upstream-kasan-gce 2018/07/05 18:23 upstream fc36def997cf d3b2a0e2 .config log report
ci-upstream-kasan-gce 2018/07/05 17:02 upstream fc36def997cf d3b2a0e2 .config log report
ci-upstream-kasan-gce-root 2018/07/05 11:41 upstream fc36def997cf f525fd72 .config log report
ci-upstream-kasan-gce-root 2018/07/05 10:21 upstream fc36def997cf f525fd72 .config log report
ci-upstream-kasan-gce-386 2018/07/06 02:15 upstream fc36def997cf d3b2a0e2 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/07/08 15:43 linux-next 526674536360 c9a7a4dc .config log report
ci-upstream-linux-next-kasan-gce-root 2018/07/08 14:10 linux-next 526674536360 c9a7a4dc .config log report
ci-upstream-kmsan-gce 2018/07/08 11:24 https://github.com/google/kmsan.git master a00de5aa4da3 c9a7a4dc .config log report
ci-upstream-kmsan-gce 2018/07/08 07:51 https://github.com/google/kmsan.git master a00de5aa4da3 c9a7a4dc .config log report
ci-upstream-linux-next-kasan-gce-root 2018/07/08 06:38 linux-next 526674536360 c9a7a4dc .config log report
ci-upstream-linux-next-kasan-gce-root 2018/07/08 00:22 linux-next 526674536360 ab89aea9 .config log report
ci-upstream-kmsan-gce 2018/07/07 22:06 https://github.com/google/kmsan.git master a00de5aa4da3 ab89aea9 .config log report
ci-upstream-linux-next-kasan-gce-root 2018/07/07 13:25 linux-next 526674536360 6c0c0099 .config log report
ci-upstream-kmsan-gce 2018/07/06 12:57 https://github.com/google/kmsan.git master 9c9df9f275f0 18403e65 .config log report
ci-upstream-kmsan-gce 2018/07/05 15:32 https://github.com/google/kmsan.git master c1adbc427188 f525fd72 .config log report