[ 0.000000][ T0] Linux version 5.9.0-rc8-syzkaller (syzkaller@syzkaller) (clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81), 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 security=selinux lsm=lockdown,yama,safesetid,integrity,selinux,tomoyo,bpf 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] 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 [ 0.000010][ T0] kvm-clock: cpu 0, msr 131bc001, primary cpu clock [ 0.000011][ T0] kvm-clock: using sched offset of 5861249883 cycles [ 0.001112][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.004945][ T0] tsc: Detected 2300.000 MHz processor [ 0.014903][ T0] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.016503][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.018005][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.037274][ T0] found SMP MP-table at [mem 0x000f24f0-0x000f24ff] [ 0.039240][ T0] check: Scanning 1 areas for low memory corruption [ 0.040816][ T0] Using GB pages for direct mapping [ 0.046480][ T0] ACPI: Early table checksum verification disabled [ 0.047834][ T0] ACPI: RSDP 0x00000000000F2270 000014 (v00 Google) [ 0.049466][ T0] ACPI: RSDT 0x00000000BFFFFFC0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.051380][ T0] ACPI: FACP 0x00000000BFFFF380 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.053133][ T0] ACPI: DSDT 0x00000000BFFFDAC0 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.055095][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.056458][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.057637][ T0] ACPI: SRAT 0x00000000BFFFFEB0 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.059459][ T0] ACPI: APIC 0x00000000BFFFFE00 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.061545][ T0] ACPI: SSDT 0x00000000BFFFF480 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.064057][ T0] ACPI: WAET 0x00000000BFFFFE80 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.065773][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.066916][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.067973][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.069214][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.070672][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.072299][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.074301][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.076484][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.078081][ T0] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.080257][ T0] NODE_DATA(0) allocated [mem 0x12fffb000-0x12fffffff] [ 0.082267][ T0] NODE_DATA(1) allocated [mem 0x21fff8000-0x21fffcfff] [ 0.085326][ T0] Zone ranges: [ 0.086142][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.088206][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.089340][ T0] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.090488][ T0] Device empty [ 0.091261][ T0] Movable zone start for each node [ 0.092239][ T0] Early memory node ranges [ 0.092981][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.094374][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.095813][ T0] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.098609][ T0] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.101500][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.101515][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.370274][ T0] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 0.638749][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.640302][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.641799][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.643348][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.645020][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.646859][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.648841][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.650716][ T0] Using ACPI (MADT) for SMP configuration information [ 0.652236][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.653466][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.654856][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.656918][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.659227][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.661083][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.662769][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.664716][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.667239][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.668743][ T0] Booting paravirtualized kernel on KVM [ 0.669779][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.671941][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.674939][ T0] percpu: Embedded 159 pages/cpu s612616 r8192 d30456 u1048576 [ 0.677140][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1927557 [ 0.678561][ T0] Policy zone: Normal [ 0.679275][ T0] Kernel 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 security=selinux lsm=lockdown,yama,safesetid,integrity,selinux,tomoyo,bpf 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 [ 0.699167][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.170594][ T0] Memory: 2121664K/7863916K available (266247K kernel code, 9288K rwdata, 14188K rodata, 4192K init, 10620K bss, 1472460K reserved, 0K cma-reserved) [ 1.177288][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.179520][ T0] vmalloc area at: ffffc90000000000 [ 1.180474][ T0] vmalloc shadow at: ffffd10000000000 [ 1.181380][ T0] Starting KernelMemorySanitizer [ 1.186531][ T0] rcu: Hierarchical RCU implementation. [ 1.187815][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 1.189544][ T0] rcu: RCU debug extended QS entry/exit. [ 1.190897][ T0] All grace periods are expedited (rcu_expedited). [ 1.191887][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.193958][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.217532][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.222237][ T0] random: get_random_bytes called from start_kernel+0x4f7/0xbdf with crng_init=0 [ 1.223243][ T0] Console: colour VGA+ 80x25 [ 1.227591][ T0] printk: console [ttyS0] enabled [ 1.227591][ T0] printk: console [ttyS0] enabled [ 1.229232][ T0] printk: bootconsole [earlyser0] disabled [ 1.229232][ T0] printk: bootconsole [earlyser0] disabled [ 1.232567][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.235087][ T0] ACPI: Core revision 20200717 [ 1.238173][ T0] APIC: Switch to symmetric I/O mode setup [ 1.240001][ T0] x2apic enabled [ 1.241918][ T0] Switched APIC routing to physical x2apic. [ 1.246525][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.248011][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 1.250199][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 1.251728][ T0] pid_max: default: 32768 minimum: 301 [ 1.253682][ T0] LSM: Security Framework initializing [ 1.254715][ T0] LSM: security= is ignored because it is superseded by lsm= [ 1.256485][ T0] Yama: becoming mindful. [ 1.257873][ T0] SELinux: Initializing. [ 1.261051][ T0] TOMOYO Linux initialized [ 1.287486][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 1.301656][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 1.305329][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.307656][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.320671][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.322477][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.324062][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.326240][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 1.326348][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.330235][ T0] MDS: Mitigation: Clear CPU buffers [ 1.333934][ T0] Freeing SMP alternatives memory: 140K [ 1.457097][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.460181][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.460181][ T1] rcu: Hierarchical SRCU implementation. [ 1.460181][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 1.460347][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.463477][ T1] smp: Bringing up secondary CPUs ... [ 1.466974][ T1] x86: Booting SMP configuration: [ 1.468117][ T1] .... node #0, CPUs: #1 [ 0.019107][ T0] kvm-clock: cpu 1, msr 131bc041, secondary cpu clock [ 1.471749][ 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. [ 1.475003][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.476414][ T1] smpboot: Max logical packages: 1 [ 1.480251][ T1] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 1.486820][ T1] devtmpfs: initialized [ 1.490932][ T1] x86/mm: Memory block size: 128MB [ 1.541313][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.545297][ T1] futex hash table entries: 512 (order: 3, 32768 bytes, vmalloc) [ 1.543124][ T22] kworker/u4:0 (22) used greatest stack depth: 9880 bytes left [ 1.548802][ T1] xor: automatically using best checksumming function avx [ 1.552097][ T1] PM: RTC time: 16:49:53, date: 2020-10-09 [ 1.556567][ T1] NET: Registered protocol family 16 [ 1.569133][ T1] audit: initializing netlink subsys (disabled) [ 1.570580][ T27] audit: type=2000 audit(1602262193.705:1): state=initialized audit_enabled=0 res=1 [ 1.576023][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 1.576023][ T1] thermal_sys: Registered thermal governor 'user_space' [ 1.584056][ T1] cpuidle: using governor menu [ 1.586242][ T1] NET: Registered protocol family 42 [ 1.602474][ T1] ACPI: bus type PCI registered [ 1.605923][ T1] dca service started, version 1.12.1 [ 1.607137][ T1] PCI: Using configuration type 1 for base access [ 3.889602][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 3.891515][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 3.892052][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 3.932380][ T1] cryptd: max_cpu_qlen set to 1000 [ 4.178744][ T1] raid6: avx2x4 gen() 278 MB/s [ 4.348622][ T1] raid6: avx2x4 xor() 257 MB/s [ 4.518662][ T1] raid6: avx2x2 gen() 279 MB/s [ 4.690230][ T1] raid6: avx2x2 xor() 287 MB/s [ 4.858639][ T1] raid6: avx2x1 gen() 274 MB/s [ 5.028639][ T1] raid6: avx2x1 xor() 281 MB/s [ 5.198709][ T1] raid6: sse2x4 gen() 171 MB/s [ 5.370231][ T1] raid6: sse2x4 xor() 130 MB/s [ 5.538720][ T1] raid6: sse2x2 gen() 169 MB/s [ 5.710234][ T1] raid6: sse2x2 xor() 145 MB/s [ 5.878749][ T1] raid6: sse2x1 gen() 137 MB/s [ 6.048611][ T1] raid6: sse2x1 xor() 140 MB/s [ 6.050229][ T1] raid6: using algorithm avx2x2 gen() 279 MB/s [ 6.050229][ T1] raid6: .... xor() 287 MB/s, rmw enabled [ 6.051124][ T1] raid6: using avx2x2 recovery algorithm [ 6.053476][ T1] ACPI: Added _OSI(Module Device) [ 6.054453][ T1] ACPI: Added _OSI(Processor Device) [ 6.055487][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 6.056604][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 6.058025][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 6.060386][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 6.060386][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 6.234198][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 6.272083][ T1] ACPI: Interpreter enabled [ 6.273504][ T1] ACPI: (supports S0 S3 S4 S5) [ 6.274414][ T1] ACPI: Using IOAPIC for interrupt routing [ 6.275775][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 6.283417][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 6.537630][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 6.540407][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 6.540968][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 6.561697][ T1] PCI host bridge to bus 0000:00 [ 6.562840][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 6.564084][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 6.565343][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 6.567033][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 6.568363][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 6.570236][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 6.570708][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 6.581915][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 6.610932][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 6.626768][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 6.636947][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 6.644578][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 6.651946][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfc000-0xfebfc07f] [ 6.674183][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 6.682385][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 6.687789][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 6.712165][ T1] pci 0000:00:05.0: [1af4:1005] type 00 class 0x00ff00 [ 6.722798][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 6.725684][ T1] pci 0000:00:05.0: reg 0x14: [mem 0xfebfe000-0xfebfe03f] [ 6.785174][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 6.794989][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 6.803600][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 6.812072][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 6.816992][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 6.845748][ T1] iommu: Default domain type: Translated [ 6.847117][ T1] vgaarb: loaded [ 6.861519][ T1] SCSI subsystem initialized [ 6.866707][ T1] ACPI: bus type USB registered [ 6.868123][ T1] usbcore: registered new interface driver usbfs [ 6.869464][ T1] usbcore: registered new interface driver hub [ 6.870475][ T1] usbcore: registered new device driver usb [ 6.873619][ T1] mc: Linux media interface: v0.10 [ 6.874984][ T1] videodev: Linux video capture interface: v2.00 [ 6.877238][ T1] pps_core: LinuxPPS API ver. 1 registered [ 6.878214][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.879845][ T1] PTP clock support registered [ 6.910248][ T1] EDAC MC: Ver: 3.0.0 [ 6.923485][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 6.933208][ T1] Bluetooth: Core ver 2.22 [ 6.935602][ T1] NET: Registered protocol family 31 [ 6.935602][ T1] Bluetooth: HCI device and connection manager initialized [ 6.936846][ T1] Bluetooth: HCI socket layer initialized [ 6.938104][ T1] Bluetooth: L2CAP socket layer initialized [ 6.939427][ T1] Bluetooth: SCO socket layer initialized [ 6.940350][ T1] NET: Registered protocol family 8 [ 6.941423][ T1] NET: Registered protocol family 20 [ 6.942852][ T1] NetLabel: Initializing [ 6.943777][ T1] NetLabel: domain hash size = 128 [ 6.944722][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 6.947620][ T1] NetLabel: unlabeled traffic allowed by default [ 6.953638][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 6.954198][ T1] NET: Registered protocol family 39 [ 6.955193][ T1] PCI: Using ACPI for IRQ routing [ 6.979497][ T1] clocksource: Switched to clocksource kvm-clock [ 15.657040][ T1] VFS: Disk quotas dquot_6.6.0 [ 15.658502][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 15.661031][ T1] FS-Cache: Loaded [ 15.663640][ T1] CacheFiles: Loaded [ 15.665637][ T1] TOMOYO: 2.6.0 [ 15.666313][ T1] Mandatory Access Control activated. [ 15.668580][ T1] pnp: PnP ACPI init [ 15.708357][ T1] pnp: PnP ACPI: found 7 devices [ 15.866675][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 15.882438][ T1] NET: Registered protocol family 2 [ 15.895880][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes, vmalloc) [ 15.910740][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 15.933304][ T1] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes, vmalloc) [ 15.952927][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 15.963057][ T1] MPTCP token hash table entries: 8192 (order: 5, 196608 bytes, vmalloc) [ 15.973702][ T1] UDP hash table entries: 4096 (order: 5, 131072 bytes, vmalloc) [ 15.984511][ T1] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes, vmalloc) [ 15.995366][ T1] NET: Registered protocol family 1 [ 16.006073][ T1] RPC: Registered named UNIX socket transport module. [ 16.013696][ T1] RPC: Registered udp transport module. [ 16.019346][ T1] RPC: Registered tcp transport module. [ 16.025147][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 16.037467][ T1] NET: Registered protocol family 44 [ 16.043120][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 16.050477][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 16.057671][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 16.065607][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 16.075065][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 16.082488][ T1] PCI: CLS 0 bytes, default 64 [ 16.097981][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 16.105399][ T1] software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] (64MB) [ 16.122761][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 16.139742][ T1] kvm: already loaded the other module [ 16.145330][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 16.156472][ T1] clocksource: Switched to clocksource tsc [ 16.163025][ T1] mce: Machine check injector initialized [ 16.177967][ T1] check: Scanning for low memory corruption every 60 seconds [ 16.238750][ T1] Initialise system trusted keyrings [ 16.246126][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 16.307275][ T1] zbud: loaded [ 16.318379][ T1] DLM installed [ 16.329633][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 16.345000][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 16.356707][ T1] NFS: Registering the id_resolver key type [ 16.362779][ T1] Key type id_resolver registered [ 16.367842][ T1] Key type id_legacy registered [ 16.373530][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 16.381188][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 16.398016][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 16.407879][ T1] Key type cifs.spnego registered [ 16.413764][ T1] Key type cifs.idmap registered [ 16.418765][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 16.425947][ T1] fuse: init (API version 7.31) [ 16.437809][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 16.496103][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 16.515678][ T1] 9p: Installing v9fs 9p2000 file system support [ 16.522581][ T1] FS-Cache: Netfs '9p' registered for caching [ 16.530339][ T1] ocfs2: Registered cluster interface o2cb [ 16.536984][ T1] ocfs2: Registered cluster interface user [ 16.544538][ T1] OCFS2 User DLM kernel interface loaded [ 16.562913][ T1] gfs2: GFS2 installed [ 16.592530][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 16.598923][ T1] ceph: loaded (mds proto 32) [ 17.366158][ T1] NET: Registered protocol family 38 [ 17.373570][ T1] async_tx: api initialized (async) [ 17.378964][ T1] Key type asymmetric registered [ 17.384390][ T1] Asymmetric key parser 'x509' registered [ 17.390151][ T1] Asymmetric key parser 'pkcs8' registered [ 17.396283][ T1] Key type pkcs7_test registered [ 17.401301][ T1] Asymmetric key parser 'tpm_parser' registered [ 17.407844][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 241) [ 17.417195][ T1] io scheduler mq-deadline registered [ 17.423035][ T1] io scheduler kyber registered [ 17.428792][ T1] io scheduler bfq registered [ 17.482436][ T1] hgafb: HGA card not detected. [ 17.488788][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 17.496665][ T1] usbcore: registered new interface driver udlfb [ 17.503996][ T1] usbcore: registered new interface driver smscufx [ 17.513952][ T1] uvesafb: failed to execute /sbin/v86d [ 17.519568][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 17.530371][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 17.537997][ T1] uvesafb: vbe_init() failed with -22 [ 17.543611][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 17.551895][ T1] vga16fb: mapped to 0x00000000fad3046b [ 17.641583][ T1] Console: switching to colour frame buffer device 80x30 [ 17.919904][ T1] fb0: VGA16 VGA frame buffer device [ 17.928817][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 17.942426][ T1] ACPI: Power Button [PWRF] [ 17.948720][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 17.958395][ T1] ACPI: Sleep Button [SLPF] [ 17.976935][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 18.020887][ T1] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 18.027210][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 18.072411][ T1] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 18.078751][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 18.125434][ T1] PCI Interrupt Link [LNKA] enabled at IRQ 10 [ 18.131910][ T1] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver [ 19.074352][ T1] N_HDLC line discipline registered with maxframe=4096 [ 19.081546][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 19.089614][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 19.115165][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 19.134058][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 19.154645][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 19.178268][ T1] Cyclades driver 2.6 [ 19.183940][ T1] Initializing Nozomi driver 2.1d [ 19.192621][ T1] RocketPort device driver module, version 2.09, 12-June-2003 [ 19.200562][ T1] No rocketport ports found; unloading driver [ 19.213409][ T1] Non-volatile memory driver v1.3 [ 19.219788][ T1] Linux agpgart interface v0.103 [ 19.244081][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 19.258201][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 19.267506][ T1] usbcore: registered new interface driver udl [ 19.422538][ T1] brd: module loaded [ 19.473719][ T1] loop: module loaded [ 19.583223][ T1] zram: Added device: zram0 [ 19.601170][ T1] null_blk: module loaded [ 19.605993][ T1] Guest personality initialized and is inactive [ 19.613091][ T1] VMCI host device registered (name=vmci, major=10, minor=56) [ 19.620766][ T1] Initialized host personality [ 19.626180][ T1] usbcore: registered new interface driver rtsx_usb [ 19.638790][ T1] usbcore: registered new interface driver viperboard [ 19.646588][ T1] usbcore: registered new interface driver dln2 [ 19.653472][ T1] usbcore: registered new interface driver pn533_usb [ 19.665019][ T1] nfcsim 0.2 initialized [ 19.669714][ T1] usbcore: registered new interface driver port100 [ 19.676848][ T1] usbcore: registered new interface driver nfcmrvl [ 19.688562][ T1] Loading iSCSI transport class v2.0-870. [ 19.745934][ T1] scsi host0: Virtio SCSI HBA [ 20.016473][ T1] hv_vmbus: registering driver hv_storvsc [ 20.022441][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 20.024814][ T1674] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 20.089550][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 20.098789][ T1] db_root: cannot open: /etc/target [ 20.145360][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 20.154320][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 20.165646][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 20.191352][ T1] MACsec IEEE 802.1AE [ 20.201599][ T1] libphy: Fixed MDIO Bus: probed [ 20.207848][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 20.218883][ T1] ===================================================== [ 20.223869][ T1] BUG: KMSAN: uninit-value in __map_kernel_range_noflush+0xb3a/0x12d0 [ 20.223869][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.9.0-rc8-syzkaller #0 [ 20.223869][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.223869][ T1] Call Trace: [ 20.223869][ T1] dump_stack+0x21c/0x280 [ 20.223869][ T1] kmsan_report+0xf7/0x1e0 [ 20.223869][ T1] __msan_warning+0x55/0x90 [ 20.223869][ T1] __map_kernel_range_noflush+0xb3a/0x12d0 [ 20.223869][ T1] kmsan_ioremap_page_range+0xcd/0x140 [ 20.223869][ T1] ioremap_page_range+0x1d84/0x1e80 [ 20.223869][ T1] __ioremap_caller+0xe31/0x1260 [ 20.223869][ T1] ? __pci_enable_msix_range+0x10c5/0x3000 [ 20.223869][ T1] ioremap+0x87/0xa0 [ 20.223869][ T1] __pci_enable_msix_range+0x10c5/0x3000 [ 20.223869][ T1] ? ret_from_fork+0x1f/0x30 [ 20.223869][ T1] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 20.223869][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 20.223869][ T1] ? __should_failslab+0xce/0x290 [ 20.223869][ T1] pci_alloc_irq_vectors_affinity+0x2aa/0x6e0 [ 20.223869][ T1] vp_find_vqs_msix+0xa27/0x1e10 [ 20.223869][ T1] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 20.223869][ T1] vp_find_vqs+0x18c/0xaa0 [ 20.223869][ T1] ? virtio_check_driver_offered_feature+0x1d1/0x410 [ 20.223869][ T1] ? vp_del_vqs+0xdd0/0xdd0 [ 20.223869][ T1] init_vqs+0x15f4/0x20a0 [ 20.223869][ T1] virtnet_probe+0x280d/0x4730 [ 20.223869][ T1] ? virtnet_validate+0xa20/0xa20 [ 20.223869][ T1] virtio_dev_probe+0xffa/0x1700 [ 20.223869][ T1] ? virtio_uevent+0x130/0x130 [ 20.223869][ T1] really_probe+0xde5/0x2430 [ 20.223869][ T1] driver_probe_device+0x293/0x390 [ 20.223869][ T1] device_driver_attach+0x25a/0x490 [ 20.223869][ T1] __driver_attach+0x78c/0x840 [ 20.223869][ T1] ? kmsan_get_metadata+0x116/0x180 [ 20.223869][ T1] bus_for_each_dev+0x210/0x340 [ 20.223869][ T1] ? driver_attach+0xb0/0xb0 [ 20.223869][ T1] driver_attach+0x89/0xb0 [ 20.223869][ T1] bus_add_driver+0x6cf/0xcc0 [ 20.223869][ T1] driver_register+0x476/0x8e0 [ 20.223869][ T1] register_virtio_driver+0x120/0x170 [ 20.223869][ T1] virtio_net_driver_init+0x16f/0x25e [ 20.223869][ T1] do_one_initcall+0x4fb/0x9f0 [ 20.223869][ T1] ? veth_init+0x32/0x32 [ 20.223869][ T1] ? kmsan_get_metadata+0x116/0x180 [ 20.223869][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 20.223869][ T1] ? veth_init+0x32/0x32 [ 20.223869][ T1] do_initcall_level+0x336/0x3c5 [ 20.223869][ T1] do_initcalls+0x18d/0x24f [ 20.223869][ T1] ? cpu_init_udelay+0xcf/0xcf [ 20.223869][ T1] do_basic_setup+0x33/0x36 [ 20.223869][ T1] kernel_init_freeable+0x242/0x395 [ 20.223869][ T1] ? rest_init+0x1f0/0x1f0 [ 20.223869][ T1] kernel_init+0x1f/0x840 [ 20.223869][ T1] ? rest_init+0x1f0/0x1f0 [ 20.223869][ T1] ret_from_fork+0x1f/0x30 [ 20.223869][ T1] [ 20.223869][ T1] Local variable ----tmp@number created at: [ 20.223869][ T1] number+0xac/0x2510 [ 20.223869][ T1] number+0xac/0x2510 [ 20.223869][ T1] ===================================================== [ 20.223869][ T1] Disabling lock debugging due to kernel taint [ 20.223869][ T1] Kernel panic - not syncing: panic_on_warn set ... [ 20.223869][ T1] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G B 5.9.0-rc8-syzkaller #0 [ 20.223869][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 20.223869][ T1] Call Trace: [ 20.223869][ T1] dump_stack+0x21c/0x280 [ 20.223869][ T1] panic+0x4d7/0xef7 [ 20.223869][ T1] ? add_taint+0x17c/0x210 [ 20.223869][ T1] kmsan_report+0x1df/0x1e0 [ 20.223869][ T1] __msan_warning+0x55/0x90 [ 20.223869][ T1] __map_kernel_range_noflush+0xb3a/0x12d0 [ 20.223869][ T1] kmsan_ioremap_page_range+0xcd/0x140 [ 20.223869][ T1] ioremap_page_range+0x1d84/0x1e80 [ 20.223869][ T1] __ioremap_caller+0xe31/0x1260 [ 20.223869][ T1] ? __pci_enable_msix_range+0x10c5/0x3000 [ 20.223869][ T1] ioremap+0x87/0xa0 [ 20.223869][ T1] __pci_enable_msix_range+0x10c5/0x3000 [ 20.223869][ T1] ? ret_from_fork+0x1f/0x30 [ 20.223869][ T1] ? __msan_metadata_ptr_for_load_4+0x10/0x20 [ 20.223869][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 20.223869][ T1] ? __should_failslab+0xce/0x290 [ 20.223869][ T1] pci_alloc_irq_vectors_affinity+0x2aa/0x6e0 [ 20.223869][ T1] vp_find_vqs_msix+0xa27/0x1e10 [ 20.223869][ T1] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 20.223869][ T1] vp_find_vqs+0x18c/0xaa0 [ 20.223869][ T1] ? virtio_check_driver_offered_feature+0x1d1/0x410 [ 20.223869][ T1] ? vp_del_vqs+0xdd0/0xdd0 [ 20.223869][ T1] init_vqs+0x15f4/0x20a0 [ 20.223869][ T1] virtnet_probe+0x280d/0x4730 [ 20.223869][ T1] ? virtnet_validate+0xa20/0xa20 [ 20.223869][ T1] virtio_dev_probe+0xffa/0x1700 [ 20.223869][ T1] ? virtio_uevent+0x130/0x130 [ 20.223869][ T1] really_probe+0xde5/0x2430 [ 20.223869][ T1] driver_probe_device+0x293/0x390 [ 20.223869][ T1] device_driver_attach+0x25a/0x490 [ 20.223869][ T1] __driver_attach+0x78c/0x840 [ 20.223869][ T1] ? kmsan_get_metadata+0x116/0x180 [ 20.223869][ T1] bus_for_each_dev+0x210/0x340 [ 20.223869][ T1] ? driver_attach+0xb0/0xb0 [ 20.223869][ T1] driver_attach+0x89/0xb0 [ 20.223869][ T1] bus_add_driver+0x6cf/0xcc0 [ 20.223869][ T1] driver_register+0x476/0x8e0 [ 20.223869][ T1] register_virtio_driver+0x120/0x170 [ 20.223869][ T1] virtio_net_driver_init+0x16f/0x25e [ 20.223869][ T1] do_one_initcall+0x4fb/0x9f0 [ 20.223869][ T1] ? veth_init+0x32/0x32 [ 20.223869][ T1] ? kmsan_get_metadata+0x116/0x180 [ 20.223869][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 20.223869][ T1] ? veth_init+0x32/0x32 [ 20.223869][ T1] do_initcall_level+0x336/0x3c5 [ 20.223869][ T1] do_initcalls+0x18d/0x24f [ 20.223869][ T1] ? cpu_init_udelay+0xcf/0xcf [ 20.223869][ T1] do_basic_setup+0x33/0x36 [ 20.223869][ T1] kernel_init_freeable+0x242/0x395 [ 20.223869][ T1] ? rest_init+0x1f0/0x1f0 [ 20.223869][ T1] kernel_init+0x1f/0x840 [ 20.223869][ T1] ? rest_init+0x1f0/0x1f0 [ 20.223869][ T1] ret_from_fork+0x1f/0x30 [ 20.223869][ T1] Kernel Offset: disabled [ 20.223869][ T1] Rebooting in 86400 seconds..