failed to run ["ssh" "-p" "22" "-i" "/syzkaller/managers/upstream-linux-next-kasan-gce-root/latest.tmp/key" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-i" "/syzkaller/managers/upstream-linux-next-kasan-gce-root/latest.tmp/key" "root@10.128.0.79" "pwd"]: exit status 255 ssh: connect to host 10.128.0.79 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-1 port 1 (session ID: 20f14fc997e4c3face08c1859fa9c712a4e51a5c6a8061129b1f2800478562c3, active connections: 1). SeaBIOS (version 1.8.2-20181029_212248-google) Total RAM Size = 0x00000001e0000000 = 7680 MiB CPUs found: 2 Max CPUs supported: 2 found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f2a50: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Booting from Hard Disk 0... early console in extract_kernel input_data: 0x00000000082382e9 input_len: 0x0000000002fcad74 output: 0x0000000001000000 output_len: 0x0000000008d75a48 kernel_total_size: 0x000000000a226000 trampoline_32bit: 0x000000000009d000 Decompressing Linux... Parsing ELF... done. Booting the kernel. [ 0.000000][ T0] Linux version 5.0.0-rc4-next-20190204 (syzkaller@ci) (gcc version 9.0.0 20181231 (experimental) (GCC)) #27 SMP PREEMPT Mon Feb 4 11:16:02 UTC 2019 [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 security=apparmor lsm=yama,safesetid,integrity,tomoyo,apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] Centaur CentaurHauls [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000003][ T0] kvm-clock: cpu 0, msr 99a0001, primary cpu clock [ 0.000004][ T0] kvm-clock: using sched offset of 4414643662 cycles [ 0.001190][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003617][ T0] tsc: Detected 2300.000 MHz processor [ 0.006689][ T0] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.007712][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.008874][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.013764][ T0] found SMP MP-table at [mem 0x000f2cc0-0x000f2ccf] mapped at [(____ptrval____)] [ 0.015106][ T0] check: Scanning 1 areas for low memory corruption [ 0.016004][ T0] Using GB pages for direct mapping [ 0.018605][ T0] ACPI: Early table checksum verification disabled [ 0.019681][ T0] ACPI: RSDP 0x00000000000F2A90 000014 (v00 Google) [ 0.020557][ T0] ACPI: RSDT 0x00000000BFFFDBA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.021925][ T0] ACPI: FACP 0x00000000BFFFFF00 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.023300][ T0] ACPI: DSDT 0x00000000BFFFDBE0 0017B2 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.024554][ T0] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.025280][ T0] ACPI: FACS 0x00000000BFFFFEC0 000040 [ 0.025987][ T0] ACPI: SSDT 0x00000000BFFFF590 000930 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.027328][ T0] ACPI: APIC 0x00000000BFFFF4A0 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.028646][ T0] ACPI: WAET 0x00000000BFFFF470 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.029911][ T0] ACPI: SRAT 0x00000000BFFFF3A0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.031424][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.032120][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.032823][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.033905][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.034804][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.035747][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.037287][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.038837][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.039906][ T0] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.041447][ T0] NODE_DATA(0) allocated [mem 0x12fffc000-0x12fffffff] [ 0.043121][ T0] NODE_DATA(1) allocated [mem 0x12fff8000-0x12fffbfff] [ 0.044141][ T0] NODE_DATA(1) on node 0 [ 0.096461][ T0] Zone ranges: [ 0.097050][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.098044][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.099058][ T0] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.100004][ T0] Movable zone start for each node [ 0.100676][ T0] Early memory node ranges [ 0.101282][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.102307][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.103378][ T0] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.104390][ T0] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.105649][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.105657][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.155694][ T0] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 0.598654][ T0] kasan: KernelAddressSanitizer initialized [ 0.599989][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.600785][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.601810][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.602883][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.603879][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.604881][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.605917][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.607011][ T0] Using ACPI (MADT) for SMP configuration information [ 0.608018][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.608922][ T0] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.609989][ T0] PM: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.610974][ T0] PM: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.611912][ T0] PM: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.612986][ T0] PM: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.613945][ T0] PM: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.614905][ T0] PM: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.615863][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.616803][ T0] Booting paravirtualized kernel on KVM [ 0.617519][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.619172][ T0] random: get_random_bytes called from start_kernel+0xe3/0x84f with crng_init=0 [ 0.620415][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.622520][ T0] percpu: Embedded 56 pages/cpu @(____ptrval____) s190088 r8192 d31096 u1048576 [ 0.623927][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1935238 [ 0.624987][ T0] Policy zone: Normal [ 0.625553][ T0] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 security=apparmor lsm=yama,safesetid,integrity,tomoyo,apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid [ 1.265653][ T0] Memory: 6503104K/7863916K available (102422K kernel code, 14263K rwdata, 18056K rodata, 3100K init, 25132K bss, 1360812K reserved, 0K cma-reserved) [ 1.273346][ T0] Running RCU self tests [ 1.274004][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.274884][ T0] rcu: RCU lockdep checking is enabled. [ 1.275609][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 1.276672][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 1.277650][ T0] Tasks RCU enabled. [ 1.278195][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.279380][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.286487][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.290575][ T0] Console: colour VGA+ 80x25 [ 1.291316][ T0] printk: console [ttyS0] enabled [ 1.291316][ T0] printk: console [ttyS0] enabled [ 1.292777][ T0] printk: bootconsole [earlyser0] disabled [ 1.292777][ T0] printk: bootconsole [earlyser0] disabled [ 1.294403][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.295554][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.296456][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.297178][ T0] ... MAX_LOCKDEP_KEYS: 8191 [ 1.297893][ T0] ... CLASSHASH_SIZE: 4096 [ 1.298614][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 1.299357][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 1.300085][ T0] ... CHAINHASH_SIZE: 32768 [ 1.300792][ T0] memory used by lock dependency info: 7263 kB [ 1.301640][ T0] per task-struct memory footprint: 1920 bytes [ 1.302668][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.304345][ T0] ACPI: Core revision 20190108 [ 1.305796][ T0] APIC: Switch to symmetric I/O mode setup [ 1.307227][ T0] x2apic enabled [ 1.308807][ T0] Switched APIC routing to physical x2apic. [ 1.312937][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.314086][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 1.315742][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.317021][ T0] pid_max: default: 32768 minimum: 301 [ 1.318643][ T0] LSM: Security Framework initializing [ 1.319609][ T0] Yama: becoming mindful. [ 1.321241][ T0] AppArmor: AppArmor initialized [ 1.327202][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 1.330838][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 1.332162][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.333271][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes) [ 1.336314][ T0] *** VALIDATE proc *** [ 1.337517][ T0] *** VALIDATE cgroup1 *** [ 1.338235][ T0] *** VALIDATE cgroup2 *** [ 1.339149][ T0] mce: CPU supports 32 MCE banks [ 1.340050][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.341012][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.342184][ T0] Spectre V2 : Mitigation: Full generic retpoline [ 1.343225][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.344546][ T0] Speculative Store Bypass: Vulnerable [ 1.346052][ T0] Freeing SMP alternatives memory: 72K [ 1.355721][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.405802][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.425743][ T1] rcu: Hierarchical SRCU implementation. [ 1.445979][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.475747][ T1] smp: Bringing up secondary CPUs ... [ 1.557763][ T1] x86: Booting SMP configuration: [ 1.558559][ T0] .... node #0, CPUs: #1 [ 0.017959][ T0] kvm-clock: cpu 1, msr 99a0041, secondary cpu clock [ 1.561856][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.561856][ T1] smpboot: Max logical packages: 1 [ 1.561856][ T1] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.566223][ T1] devtmpfs: initialized [ 1.577767][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.577767][ T1] futex hash table entries: 512 (order: 4, 65536 bytes) [ 1.580044][ T1] xor: automatically using best checksumming function avx [ 1.585959][ T1] RTC time: 11:21:18, date: 2019-02-04 [ 1.588148][ T1] NET: Registered protocol family 16 [ 1.591737][ T1] audit: initializing netlink subsys (disabled) [ 1.591737][ T24] kworker/u4:0 (24) used greatest stack depth: 27472 bytes left [ 1.591737][ T27] audit: type=2000 audit(1549279278.558:1): state=initialized audit_enabled=0 res=1 [ 1.597042][ T31] kworker/u4:0 (31) used greatest stack depth: 26696 bytes left [ 1.601662][ T1] cpuidle: using governor menu [ 1.606197][ T1] ACPI: bus type PCI registered [ 1.608151][ T1] dca service started, version 1.12.1 [ 1.609254][ T1] PCI: Using configuration type 1 for base access [ 1.914506][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 1.916600][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 1.917631][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 1.919441][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.105743][ T1] raid6: avx2x4 gen() 12064 MB/s [ 2.269592][ T1] raid6: avx2x4 xor() 6479 MB/s [ 2.445761][ T1] raid6: avx2x2 gen() 7707 MB/s [ 2.615762][ T1] raid6: avx2x2 xor() 3596 MB/s [ 2.779576][ T1] raid6: avx2x1 gen() 2016 MB/s [ 2.949601][ T1] raid6: avx2x1 xor() 2091 MB/s [ 3.119588][ T1] raid6: sse2x4 gen() 6178 MB/s [ 3.289597][ T1] raid6: sse2x4 xor() 3315 MB/s [ 3.465764][ T1] raid6: sse2x2 gen() 2975 MB/s [ 3.629605][ T1] raid6: sse2x2 xor() 1976 MB/s [ 3.799585][ T1] raid6: sse2x1 gen() 726 MB/s [ 3.969594][ T1] raid6: sse2x1 xor() 940 MB/s [ 3.970382][ T1] raid6: using algorithm avx2x4 gen() 12064 MB/s [ 3.971248][ T1] raid6: .... xor() 6479 MB/s, rmw enabled [ 3.972137][ T1] raid6: using avx2x2 recovery algorithm [ 3.976382][ T1] ACPI: Added _OSI(Module Device) [ 3.976382][ T1] ACPI: Added _OSI(Processor Device) [ 3.976382][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 3.976382][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.976600][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 3.977446][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 3.978327][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 4.020323][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.071937][ T1] ACPI: Interpreter enabled [ 4.071987][ T1] ACPI: (supports S0 S3 S4 S5) [ 4.072709][ T1] ACPI: Using IOAPIC for interrupt routing [ 4.075776][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 4.077180][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.147410][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.147410][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI] [ 4.147410][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 4.156092][ T1] PCI host bridge to bus 0000:00 [ 4.156092][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.156092][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.156092][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.156921][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 4.158193][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.191167][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.246135][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 4.249972][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 4.253501][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 4.256545][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 4.258864][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.268529][ T1] vgaarb: loaded [ 4.269397][ T1] SCSI subsystem initialized [ 4.277111][ T1] ACPI: bus type USB registered [ 4.278491][ T1] usbcore: registered new interface driver usbfs [ 4.280411][ T1] usbcore: registered new interface driver hub [ 4.281761][ T1] usbcore: registered new device driver usb [ 4.285893][ T1] media: Linux media interface: v0.10 [ 4.286428][ T1] videodev: Linux video capture interface: v2.00 [ 4.286428][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.286428][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.286781][ T1] PTP clock support registered [ 4.287525][ T1] EDAC MC: Ver: 3.0.0 [ 4.327543][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 4.328115][ T1] PCI: Using ACPI for IRQ routing [ 4.329894][ T1] Bluetooth: Core ver 2.22 [ 4.329894][ T1] NET: Registered protocol family 31 [ 4.329894][ T1] Bluetooth: HCI device and connection manager initialized [ 4.335738][ T1] Bluetooth: HCI socket layer initialized [ 4.335738][ T1] Bluetooth: L2CAP socket layer initialized [ 4.335738][ T1] Bluetooth: SCO socket layer initialized [ 4.335738][ T1] NET: Registered protocol family 8 [ 4.335738][ T1] NET: Registered protocol family 20 [ 4.335962][ T1] NetLabel: Initializing [ 4.335962][ T1] NetLabel: domain hash size = 128 [ 4.336011][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.337132][ T1] NetLabel: unlabeled traffic allowed by default [ 4.339343][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 4.345910][ T1] NET: Registered protocol family 39 [ 4.347228][ T1] clocksource: Switched to clocksource kvm-clock [ 6.155447][ T1] VFS: Disk quotas dquot_6.6.0 [ 6.156455][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 6.158164][ T1] FS-Cache: Loaded [ 6.158783][ T1] *** VALIDATE hugetlbfs *** [ 6.159425][ T1] ================================================================== [ 6.160694][ T1] BUG: KASAN: global-out-of-bounds in fs_validate_description+0x109/0x6e9 [ 6.162131][ T1] Read of size 8 at addr ffffffff877d2a90 by task swapper/0/1 [ 6.163263][ T1] [ 6.163619][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.0.0-rc4-next-20190204 #27 [ 6.164876][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 6.166269][ T1] Call Trace: [ 6.166269][ T1] dump_stack+0x172/0x1f0 [ 6.166269][ T1] ? fs_validate_description+0x109/0x6e9 [ 6.166269][ T1] print_address_description.cold+0x5/0x20d [ 6.166269][ T1] ? fs_validate_description+0x109/0x6e9 [ 6.166269][ T1] ? fs_validate_description+0x109/0x6e9 [ 6.166269][ T1] kasan_report.cold+0x1b/0x40 [ 6.166269][ T1] ? fs_validate_description+0x109/0x6e9 [ 6.166269][ T1] __asan_report_load8_noabort+0x14/0x20 [ 6.166269][ T1] fs_validate_description+0x109/0x6e9 [ 6.166269][ T1] register_filesystem+0x46/0x1b0 [ 6.166269][ T1] ? init_ramfs_fs+0x4a/0x4a [ 6.166269][ T1] init_hugetlbfs_fs+0xfb/0x2e2 [ 6.166269][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 6.166269][ T1] ? init_ramfs_fs+0x4a/0x4a [ 6.166269][ T1] do_one_initcall+0x109/0x796 [ 6.166269][ T1] ? perf_trace_initcall_level+0x460/0x460 [ 6.166269][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 6.166269][ T1] ? rcu_read_lock_sched_held+0x110/0x130 [ 6.166269][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 6.166269][ T1] kernel_init_freeable+0x4da/0x5c9 [ 6.166269][ T1] ? rest_init+0x37b/0x37b [ 6.166269][ T1] kernel_init+0x12/0x1c5 [ 6.166269][ T1] ret_from_fork+0x3a/0x50 [ 6.166269][ T1] [ 6.166269][ T1] The buggy address belongs to the variable: [ 6.166269][ T1] hugetlb_param_specs+0x70/0xa0 [ 6.166269][ T1] [ 6.166269][ T1] Memory state around the buggy address: [ 6.166269][ T1] ffffffff877d2980: fa fa fa fa 05 fa fa fa fa fa fa fa 04 fa fa fa [ 6.166269][ T1] ffffffff877d2a00: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00 [ 6.166269][ T1] >ffffffff877d2a80: 00 00 fa fa fa fa fa fa 00 00 00 00 00 00 00 00 [ 6.166269][ T1] ^ [ 6.166269][ T1] ffffffff877d2b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 6.166269][ T1] ffffffff877d2b80: fa fa fa fa 00 00 00 00 00 00 00 00 00 00 00 00 [ 6.166269][ T1] ================================================================== [ 6.166269][ T1] Disabling lock debugging due to kernel taint [ 6.196588][ T1] Kernel panic - not syncing: panic_on_warn set ... [ 6.197630][ T1] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G B 5.0.0-rc4-next-20190204 #27 [ 6.199055][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 6.200473][ T1] Call Trace: [ 6.201011][ T1] dump_stack+0x172/0x1f0 [ 6.201659][ T1] panic+0x2cb/0x65c [ 6.202235][ T1] ? __warn_printk+0xf3/0xf3 [ 6.202911][ T1] ? trace_hardirqs_on+0x5e/0x230 [ 6.203608][ T1] ? trace_hardirqs_on+0x5e/0x230 [ 6.204347][ T1] ? fs_validate_description+0x109/0x6e9 [ 6.205141][ T1] end_report+0x47/0x4f [ 6.205790][ T1] ? fs_validate_description+0x109/0x6e9 [ 6.206558][ T1] kasan_report.cold+0xe/0x40 [ 6.206558][ T1] ? fs_validate_description+0x109/0x6e9 [ 6.206558][ T1] __asan_report_load8_noabort+0x14/0x20 [ 6.206558][ T1] fs_validate_description+0x109/0x6e9 [ 6.206558][ T1] register_filesystem+0x46/0x1b0 [ 6.206558][ T1] ? init_ramfs_fs+0x4a/0x4a [ 6.206558][ T1] init_hugetlbfs_fs+0xfb/0x2e2 [ 6.206558][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 6.206558][ T1] ? init_ramfs_fs+0x4a/0x4a [ 6.206558][ T1] do_one_initcall+0x109/0x796 [ 6.206558][ T1] ? perf_trace_initcall_level+0x460/0x460 [ 6.206558][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 6.206558][ T1] ? rcu_read_lock_sched_held+0x110/0x130 [ 6.206558][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 6.206558][ T1] kernel_init_freeable+0x4da/0x5c9 [ 6.206558][ T1] ? rest_init+0x37b/0x37b [ 6.206558][ T1] kernel_init+0x12/0x1c5 [ 6.206558][ T1] ret_from_fork+0x3a/0x50 [ 6.206558][ T1] Rebooting in 86400 seconds..