[ 0.000000][ T0] Linux version 5.9.0-rc8-syzkaller (syzkaller@syzkaller) (clang version 11.0.0 (https://github.com/llvm/llvm-project.git ca2dcbd030eadbf0aa9b660efe864ff08af6e18b), GNU ld (GNU Binutils for Ubuntu) 2.26.1) #0 SMP now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 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 dummy_hcd.num=8 binder.debug_mask=0 rcupdate.rcu_expedited=1 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 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 0x0000000100000000-0x000000023fffffff] usable [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 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] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.000000][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.000000][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.000000][ T0] found SMP MP-table at [mem 0x000f25b0-0x000f25bf] [ 0.000000][ T0] check: Scanning 1 areas for low memory corruption [ 0.000000][ T0] Using GB pages for direct mapping [ 0.000000][ T0] ACPI: Early table checksum verification disabled [ 0.000000][ T0] ACPI: RSDP 0x00000000000F2330 000014 (v00 Google) [ 0.000000][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000][ T0] ACPI: FACP 0x00000000BFFFF340 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000][ T0] ACPI: DSDT 0x00000000BFFFDA80 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.000000][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.000000][ T0] ACPI: SRAT 0x00000000BFFFFE70 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.000000][ T0] ACPI: APIC 0x00000000BFFFFDC0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000][ T0] ACPI: SSDT 0x00000000BFFFF440 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000][ T0] ACPI: WAET 0x00000000BFFFFE40 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.000000][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.000000][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.000000][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.000000][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.000000][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.000000][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.000000][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.000000][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.000000][ T0] NODE_DATA(0) allocated [mem 0x13fffb000-0x13fffffff] [ 0.000000][ T0] NODE_DATA(1) allocated [mem 0x23fff8000-0x23fffcfff] [ 0.000000][ T0] Zone ranges: [ 0.000000][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.000000][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.000000][ T0] Device empty [ 0.000000][ T0] Movable zone start for each node [ 0.000000][ T0] Early memory node ranges [ 0.000000][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.000000][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.000000][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.000000][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.000000][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.000000][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.000000][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.000000][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000][ T0] Using ACPI (MADT) for SMP configuration information [ 0.000000][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.000000][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.000000][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.000000][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.000000][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.000000][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.000000][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.000000][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 0.000000][ T0] percpu: Embedded 152 pages/cpu s583752 r8192 d30648 u1048576 [ 0.000000][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2056069 [ 0.000000][ T0] Policy zone: Normal [ 0.000000][ T0] Kernel command line: ima_policy=tcb watchdog_thresh=55 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 dummy_hcd.num=8 binder.debug_mask=0 rcupdate.rcu_expedited=1 BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 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_ [ 0.000000][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.000000][ T0] Memory: 2322368K/8388204K available (235527K kernel code, 7803K rwdata, 12940K rodata, 3880K init, 10412K bss, 1401692K reserved, 0K cma-reserved) [ 0.000000][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 0.000000][ T0] vmalloc area at: ffffc90000000000 [ 0.000000][ T0] vmalloc shadow at: ffffd10000000000 [ 0.000000][ T0] Starting KernelMemorySanitizer [ 0.000000][ T0] rcu: Hierarchical RCU implementation. [ 0.000000][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 0.000000][ T0] All grace periods are expedited (rcu_expedited). [ 0.000000][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.000000][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 0.000000][ T0] random: crng done (trusting CPU's manufacturer) [ 0.000000][ T0] Console: colour VGA+ 80x25 [ 0.000000][ T0] printk: console [ttyS0] enabled [ 0.000000][ T0] printk: console [ttyS0] enabled [ 0.000000][ T0] printk: bootconsole [earlyser0] disabled [ 0.000000][ T0] printk: bootconsole [earlyser0] disabled [ 0.000000][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 0.000000][ T0] ACPI: Core revision 20200717 [ 0.010000][ T0] APIC: Switch to symmetric I/O mode setup [ 0.010000][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 0.090000][ T0] tsc: PIT calibration matches PMTIMER. 3 loops [ 0.090000][ T0] tsc: Detected 2299.754 MHz processor [ 0.000050][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x21264cc617a, max_idle_ns: 440795253502 ns [ 0.003530][ T0] Calibrating delay loop (skipped), value calculated using timer frequency.. 4599.50 BogoMIPS (lpj=22997540) [ 0.013550][ T0] pid_max: default: 32768 minimum: 301 [ 0.015776][ T0] LSM: Security Framework initializing [ 0.017681][ T0] Yama: becoming mindful. [ 0.019314][ T0] TOMOYO Linux initialized [ 0.021142][ T0] AppArmor: AppArmor initialized [ 0.048366][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 0.064215][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 0.067855][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 0.070761][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 0.081378][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 0.083435][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 0.083604][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.086200][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 0.086370][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 0.093569][ T0] MDS: Mitigation: Clear CPU buffers [ 0.097412][ T0] Freeing SMP alternatives memory: 132K [ 0.220112][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 0.223511][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 0.223511][ T1] rcu: Hierarchical SRCU implementation. [ 0.224988][ T1] smp: Bringing up secondary CPUs ... [ 0.228698][ T1] x86: Booting SMP configuration: [ 0.229992][ T1] .... node #0, CPUs: #1 [ 0.231107][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 0.238204][ T1] smp: Brought up 2 nodes, 2 CPUs [ 0.239844][ T1] smpboot: Max logical packages: 1 [ 0.241583][ T1] smpboot: Total of 2 processors activated (9199.01 BogoMIPS) [ 0.247713][ T1] devtmpfs: initialized [ 0.247713][ T1] x86/mm: Memory block size: 128MB [ 0.294903][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.298703][ T22] kworker/u4:0 (22) used greatest stack depth: 10864 bytes left [ 0.303690][ T1] futex hash table entries: 512 (order: 3, 32768 bytes, vmalloc) [ 0.303711][ T1] xor: automatically using best checksumming function avx [ 0.307026][ T1] PM: RTC time: 09:48:54, date: 2020-10-30 [ 0.319669][ T1] NET: Registered protocol family 16 [ 0.333953][ T1] audit: initializing netlink subsys (disabled) [ 0.334137][ T32] audit: type=2000 audit(1604051333.420:1): state=initialized audit_enabled=0 res=1 [ 0.345111][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 0.345141][ T1] thermal_sys: Registered thermal governor 'user_space' [ 0.347784][ T1] cpuidle: using governor menu [ 0.351393][ T1] NET: Registered protocol family 42 [ 0.355246][ T40] kworker/u4:2 (40) used greatest stack depth: 10432 bytes left [ 0.374291][ T1] ACPI: bus type PCI registered [ 0.377705][ T1] PCI: Using configuration type 1 for base access [ 0.779210][ T401] kworker/u4:4 (401) used greatest stack depth: 9944 bytes left [ 1.177104][ T751] kworker/u4:2 (751) used greatest stack depth: 9864 bytes left [ 1.794791][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 1.801892][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 1.803727][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 1.936371][ T1] raid6: skip pq benchmark and using algorithm avx2x4 [ 1.937880][ T1] raid6: using avx2x2 recovery algorithm [ 1.938858][ T1] ACPI: Added _OSI(Module Device) [ 1.938858][ T1] ACPI: Added _OSI(Processor Device) [ 1.945807][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 1.946795][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 1.947609][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 1.947609][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 1.947609][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 2.033722][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 2.063570][ T1] ACPI: Interpreter enabled [ 2.063570][ T1] ACPI: (supports S0 S3 S4 S5) [ 2.063570][ T1] ACPI: Using IOAPIC for interrupt routing [ 2.063591][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.073734][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.233738][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.233738][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 2.233738][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 2.245055][ T1] PCI host bridge to bus 0000:00 [ 2.254469][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 2.254469][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.254469][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.254469][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.263579][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 2.263579][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.263579][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 2.274681][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 2.304387][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 2.316505][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.323994][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 2.335560][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 2.343584][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfc000-0xfebfc07f] [ 2.355672][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 2.365685][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 2.373761][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 2.403963][ T1] pci 0000:00:05.0: [1af4:1002] type 00 class 0x00ff00 [ 2.406063][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 2.433949][ T1] pci 0000:00:06.0: [1af4:1005] type 00 class 0x00ff00 [ 2.443563][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 2.456820][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfebfe000-0xfebfe03f] [ 2.493830][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 2.503583][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 2.503583][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 2.513756][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 2.513756][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 2.540376][ T1] iommu: Default domain type: Translated [ 2.543814][ T1] vgaarb: loaded [ 2.552039][ T1] SCSI subsystem initialized [ 2.559880][ T1] ACPI: bus type USB registered [ 2.562461][ T1] usbcore: registered new interface driver usbfs [ 2.564502][ T1] usbcore: registered new interface driver hub [ 2.567486][ T1] usbcore: registered new device driver usb [ 2.571535][ T1] mc: Linux media interface: v0.10 [ 2.573852][ T1] videodev: Linux video capture interface: v2.00 [ 2.577149][ T1] pps_core: LinuxPPS API ver. 1 registered [ 2.578606][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.582063][ T1] PTP clock support registered [ 2.601892][ T1] EDAC MC: Ver: 3.0.0 [ 2.610552][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 2.619266][ T1] Bluetooth: Core ver 2.22 [ 2.621015][ T1] NET: Registered protocol family 31 [ 2.622529][ T1] Bluetooth: HCI device and connection manager initialized [ 2.623647][ T1] Bluetooth: HCI socket layer initialized [ 2.625118][ T1] Bluetooth: L2CAP socket layer initialized [ 2.626960][ T1] Bluetooth: SCO socket layer initialized [ 2.628477][ T1] NET: Registered protocol family 8 [ 2.630900][ T1] NET: Registered protocol family 20 [ 2.633701][ T1] NetLabel: Initializing [ 2.635291][ T1] NetLabel: domain hash size = 128 [ 2.637270][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 2.639982][ T1] NetLabel: unlabeled traffic allowed by default [ 2.645624][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 2.647768][ T1] NET: Registered protocol family 39 [ 2.649252][ T1] PCI: Using ACPI for IRQ routing [ 2.665051][ T1] clocksource: Switched to clocksource tsc-early [ 11.226203][ T1] VFS: Disk quotas dquot_6.6.0 [ 11.228171][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 11.231766][ T1] FS-Cache: Loaded [ 11.236567][ T1] CacheFiles: Loaded [ 11.238443][ T1] TOMOYO: 2.6.0 [ 11.239091][ T1] Mandatory Access Control activated. [ 11.244150][ T1] AppArmor: AppArmor Filesystem Enabled [ 11.247013][ T1] pnp: PnP ACPI init [ 11.274923][ T1] pnp: PnP ACPI: found 7 devices [ 11.401027][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 11.413203][ T1] NET: Registered protocol family 2 [ 11.423460][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes, vmalloc) [ 11.436348][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 11.456690][ T1] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes, vmalloc) [ 11.476925][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 11.486031][ T1] MPTCP token hash table entries: 8192 (order: 5, 196608 bytes, vmalloc) [ 11.496589][ T1] UDP hash table entries: 4096 (order: 5, 131072 bytes, vmalloc) [ 11.507149][ T1] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes, vmalloc) [ 11.518016][ T1] NET: Registered protocol family 1 [ 11.525564][ T1] RPC: Registered named UNIX socket transport module. [ 11.532491][ T1] RPC: Registered udp transport module. [ 11.538161][ T1] RPC: Registered tcp transport module. [ 11.544039][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 11.556256][ T1] NET: Registered protocol family 44 [ 11.561931][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 11.569066][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 11.576357][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 11.584479][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 11.593413][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 11.600828][ T1] PCI: CLS 0 bytes, default 64 [ 11.613859][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 11.621278][ T1] software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] (64MB) [ 11.640812][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 11.655018][ T1] kvm: already loaded the other module [ 11.668518][ T1] check: Scanning for low memory corruption every 60 seconds [ 11.715274][ T1] Initialise system trusted keyrings [ 11.722594][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 11.775245][ T1] zbud: loaded [ 11.784907][ T1] DLM installed [ 11.794993][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 11.811943][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 11.825895][ T1] NFS: Registering the id_resolver key type [ 11.831908][ T1] Key type id_resolver registered [ 11.837320][ T1] Key type id_legacy registered [ 11.842860][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 11.850540][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 11.868784][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 11.878052][ T1] Key type cifs.spnego registered [ 11.883374][ T1] Key type cifs.idmap registered [ 11.888904][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 11.895592][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 11.902375][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 11.909095][ T1] QNX4 filesystem 0.2.3 registered. [ 11.914794][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 11.922256][ T1] fuse: init (API version 7.31) [ 11.933677][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 11.941996][ T1] orangefs_init: module version upstream loaded [ 11.949849][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 11.991164][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 12.009799][ T1] 9p: Installing v9fs 9p2000 file system support [ 12.016801][ T1] FS-Cache: Netfs '9p' registered for caching [ 12.025058][ T1] NILFS version 2 loaded [ 12.029347][ T1] befs: version: 0.9.3 [ 12.035320][ T1] ocfs2: Registered cluster interface o2cb [ 12.042056][ T1] ocfs2: Registered cluster interface user [ 12.049163][ T1] OCFS2 User DLM kernel interface loaded [ 12.065349][ T1] gfs2: GFS2 installed [ 12.085492][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 12.091870][ T1] ceph: loaded (mds proto 32) [ 12.859746][ T54] tsc: Refined TSC clocksource calibration: 2299.799 MHz [ 12.867151][ T54] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x2126776e976, max_idle_ns: 440795286532 ns [ 12.878374][ T54] clocksource: Switched to clocksource tsc [ 12.884747][ T1] NET: Registered protocol family 38 [ 12.890913][ T1] async_tx: api initialized (async) [ 12.896421][ T1] Key type asymmetric registered [ 12.901395][ T1] Asymmetric key parser 'x509' registered [ 12.907248][ T1] Asymmetric key parser 'pkcs8' registered [ 12.913289][ T1] Key type pkcs7_test registered [ 12.918298][ T1] Asymmetric key parser 'tpm_parser' registered [ 12.924807][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 241) [ 12.934194][ T1] io scheduler mq-deadline registered [ 12.939625][ T1] io scheduler kyber registered [ 12.945508][ T1] io scheduler bfq registered [ 12.992630][ T1] usbcore: registered new interface driver udlfb [ 12.999798][ T1] usbcore: registered new interface driver smscufx [ 13.009122][ T1] uvesafb: failed to execute /sbin/v86d [ 13.015013][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 13.023291][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 13.030905][ T1] uvesafb: vbe_init() failed with -22 [ 13.036509][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 13.044915][ T1] vga16fb: mapped to 0x00000000a46e285f [ 13.136888][ T1] Console: switching to colour frame buffer device 80x30 [ 13.715563][ T1] fb0: VGA16 VGA frame buffer device [ 13.722676][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 13.734567][ T1] ACPI: Power Button [PWRF] [ 13.740897][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 13.751082][ T1] ACPI: Sleep Button [SLPF] [ 13.789956][ T1] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 13.796356][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 13.824797][ T1] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 13.831127][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 13.860609][ T1] PCI Interrupt Link [LNKA] enabled at IRQ 10 [ 13.867182][ T1] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver [ 13.896649][ T1] PCI Interrupt Link [LNKB] enabled at IRQ 11 [ 13.903078][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 14.676501][ T1] N_HDLC line discipline registered with maxframe=4096 [ 14.684035][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 14.692223][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 14.709831][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 14.726526][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 14.742520][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 14.761884][ T1] Cyclades driver 2.6 [ 14.767446][ T1] Initializing Nozomi driver 2.1d [ 14.774396][ T1] RocketPort device driver module, version 2.09, 12-June-2003 [ 14.782166][ T1] No rocketport ports found; unloading driver [ 14.797695][ T1] Non-volatile memory driver v1.3 [ 14.815090][ T2706] ===================================================== [ 14.815581][ T1] Linux agpgart interface v0.103 [ 14.822057][ T2706] BUG: KMSAN: uninit-value in _mix_pool_bytes+0x7d2/0x950 [ 14.822154][ T2706] CPU: 0 PID: 2706 Comm: hwrng Not tainted 5.9.0-rc8-syzkaller #0 [ 14.833938][ T2706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 14.847480][ T2706] Call Trace: [ 14.847480][ T2706] dump_stack+0x21c/0x280 [ 14.847480][ T2706] kmsan_report+0xf7/0x1e0 [ 14.847480][ T2706] __msan_warning+0x5f/0xa0 [ 14.847480][ T2706] _mix_pool_bytes+0x7d2/0x950 [ 14.847480][ T2706] mix_pool_bytes+0xca/0x2a0 [ 14.847480][ T2706] ? kmsan_get_metadata+0x116/0x180 [ 14.847480][ T2706] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 14.847480][ T2706] add_hwgenerator_randomness+0x4ac/0x500 [ 14.847480][ T2706] ? kmsan_get_metadata+0x116/0x180 [ 14.847480][ T2706] hwrng_fillfn+0x6ae/0x940 [ 14.847480][ T2706] kthread+0x51c/0x560 [ 14.847480][ T2706] ? hwrng_attr_selected_show+0xc0/0xc0 [ 14.847480][ T2706] ? kthread_blkcg+0x110/0x110 [ 14.847480][ T2706] ret_from_fork+0x1f/0x30 [ 14.847480][ T2706] [ 14.847480][ T2706] Uninit was created at: [ 14.847480][ T2706] kmsan_internal_poison_shadow+0x5c/0xf0 [ 14.847480][ T2706] kmsan_slab_alloc+0x8d/0xe0 [ 14.847480][ T2706] kmem_cache_alloc_trace+0x61e/0xc90 [ 14.847480][ T2706] hwrng_modinit+0x103/0x2ef [ 14.847480][ T2706] do_one_initcall+0x371/0x9c0 [ 14.847480][ T2706] do_initcall_level+0x1e5/0x3c6 [ 14.847480][ T2706] do_initcalls+0x127/0x1cb [ 14.847480][ T2706] do_basic_setup+0x33/0x36 [ 14.847480][ T2706] kernel_init_freeable+0x238/0x38b [ 14.847480][ T2706] kernel_init+0x1f/0x840 [ 14.847480][ T2706] ret_from_fork+0x1f/0x30 [ 14.847480][ T2706] ===================================================== [ 14.847480][ T2706] Disabling lock debugging due to kernel taint [ 14.847480][ T2706] Kernel panic - not syncing: panic_on_warn set ... [ 14.847480][ T2706] CPU: 0 PID: 2706 Comm: hwrng Tainted: G B 5.9.0-rc8-syzkaller #0 [ 14.847480][ T2706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 14.847480][ T2706] Call Trace: [ 14.847480][ T2706] dump_stack+0x21c/0x280 [ 14.847480][ T2706] panic+0x4c8/0xea7 [ 14.847480][ T2706] ? add_taint+0x17c/0x210 [ 14.847480][ T2706] kmsan_report+0x1da/0x1e0 [ 14.847480][ T2706] __msan_warning+0x5f/0xa0 [ 14.847480][ T2706] _mix_pool_bytes+0x7d2/0x950 [ 14.847480][ T2706] mix_pool_bytes+0xca/0x2a0 [ 14.847480][ T2706] ? kmsan_get_metadata+0x116/0x180 [ 14.847480][ T2706] ? kmsan_get_shadow_origin_ptr+0x84/0xb0 [ 14.847480][ T2706] add_hwgenerator_randomness+0x4ac/0x500 [ 14.847480][ T2706] ? kmsan_get_metadata+0x116/0x180 [ 14.847480][ T2706] hwrng_fillfn+0x6ae/0x940 [ 14.847480][ T2706] kthread+0x51c/0x560 [ 14.847480][ T2706] ? hwrng_attr_selected_show+0xc0/0xc0 [ 14.847480][ T2706] ? kthread_blkcg+0x110/0x110 [ 14.847480][ T2706] ret_from_fork+0x1f/0x30 [ 14.847480][ T2706] Shutting down cpus with NMI [ 14.847480][ T2706] Kernel Offset: disabled [ 14.847480][ T2706] Rebooting in 86400 seconds..