[ 0.000000][ T0] Linux version 5.12.0-next-20210426-syzkaller (syzkaller@syzkaller) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=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] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** This system shows unhashed kernel memory addresses ** [ 0.000000][ T0] ** via the console, logs, and other interfaces. This ** [ 0.000000][ T0] ** might reduce the security of your system. ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** If you see this message and you are not debugging ** [ 0.000000][ T0] ** the kernel, report this immediately to your system ** [ 0.000000][ T0] ** administrator! ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 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] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000][ T0] kvm-clock: cpu 0, msr f40e001, primary cpu clock [ 0.000007][ T0] kvm-clock: using sched offset of 5970093765 cycles [ 0.000985][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003492][ T0] tsc: Detected 2299.998 MHz processor [ 0.009189][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.010447][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.012025][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.019117][ T0] found SMP MP-table at [mem 0x000f26d0-0x000f26df] [ 0.020554][ T0] Using GB pages for direct mapping [ 0.022993][ T0] ACPI: Early table checksum verification disabled [ 0.024066][ T0] ACPI: RSDP 0x00000000000F2450 000014 (v00 Google) [ 0.025038][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.026926][ T0] ACPI: FACP 0x00000000BFFFF340 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.029143][ T0] ACPI: DSDT 0x00000000BFFFDA80 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.030738][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.031504][ T0] ACPI: FACS 0x00000000BFFFDA40 000040 [ 0.032241][ T0] ACPI: SRAT 0x00000000BFFFFE70 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.033535][ T0] ACPI: APIC 0x00000000BFFFFDC0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.034794][ T0] ACPI: SSDT 0x00000000BFFFF440 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.036140][ T0] ACPI: WAET 0x00000000BFFFFE40 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.037576][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff340-0xbffff433] [ 0.038727][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffda80-0xbffff339] [ 0.039916][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffda40-0xbfffda7f] [ 0.041057][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffda40-0xbfffda7f] [ 0.042415][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe70-0xbfffff37] [ 0.043998][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdc0-0xbffffe35] [ 0.045304][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff440-0xbffffdbf] [ 0.047038][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe40-0xbffffe67] [ 0.049048][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.049815][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.050882][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.051910][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.052928][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.054422][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.056481][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.058161][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.059510][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.061417][ T0] NODE_DATA(0) allocated [mem 0x13fffb000-0x13fffffff] [ 0.062875][ T0] NODE_DATA(1) allocated [mem 0x23fff8000-0x23fffcfff] [ 0.100954][ T0] Zone ranges: [ 0.101726][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.103155][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.104558][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.105536][ T0] Device empty [ 0.106062][ T0] Movable zone start for each node [ 0.106832][ T0] Early memory node ranges [ 0.107575][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.108635][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.109975][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.111689][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.113009][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.115723][ T0] DMA zone: 28770 pages in unavailable ranges [ 0.140219][ T0] DMA32 zone: 3 pages in unavailable ranges [ 0.149246][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.484249][ T0] kasan: KernelAddressSanitizer initialized [ 0.485936][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.487051][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.488379][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.489954][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.491021][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.492022][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.493369][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.494923][ T0] Using ACPI (MADT) for SMP configuration information [ 0.496078][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.497020][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.498636][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.500586][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.501730][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.503117][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.504333][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.507753][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.510547][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.512841][ T0] Booting paravirtualized kernel on KVM [ 0.514417][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.577703][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 0.580159][ T0] percpu: Embedded 64 pages/cpu s223880 r8192 d30072 u1048576 [ 0.581844][ T0] kvm-guest: stealtime: cpu 0, msr b9c1f440 [ 0.584665][ T0] kvm-guest: PV spinlocks enabled [ 0.585807][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.588801][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064262 [ 0.591261][ T0] Policy zone: Normal [ 0.592018][ T0] Kernel command line: earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb 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 binder.debug_mask=0 rcupdate.rcu_expedited=1 no_hash_pointers root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid 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 dummy_hcd.num=8 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 panic_on_warn=1 BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 [ 0.613626][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.441948][ T0] Memory: 6840388K/8388204K available (135201K kernel code, 33461K rwdata, 38540K rodata, 4048K init, 24688K bss, 1547560K reserved, 0K cma-reserved) [ 1.446209][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.450131][ T0] Running RCU self tests [ 1.451511][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.453821][ T0] rcu: RCU lockdep checking is enabled. [ 1.454612][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.455937][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 1.457009][ T0] rcu: RCU debug extended QS entry/exit. [ 1.457787][ T0] All grace periods are expedited (rcu_expedited). [ 1.458806][ T0] Trampoline variant of Tasks RCU enabled. [ 1.459645][ T0] Tracing variant of Tasks RCU enabled. [ 1.460448][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.461632][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.494082][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.496077][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 1.498567][ T0] random: crng done (trusting CPU's manufacturer) [ 1.501232][ T0] Console: colour VGA+ 80x25 [ 1.502746][ T0] printk: console [ttyS0] enabled [ 1.502746][ T0] printk: console [ttyS0] enabled [ 1.504447][ T0] printk: bootconsole [earlyser0] disabled [ 1.504447][ T0] printk: bootconsole [earlyser0] disabled [ 1.506321][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.507871][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.508884][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.509826][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.510603][ T0] ... CLASSHASH_SIZE: 4096 [ 1.511977][ T0] ... MAX_LOCKDEP_ENTRIES: 65536 [ 1.513047][ T0] ... MAX_LOCKDEP_CHAINS: 131072 [ 1.513948][ T0] ... CHAINHASH_SIZE: 65536 [ 1.515156][ T0] memory used by lock dependency info: 11129 kB [ 1.516916][ T0] memory used for stack traces: 8320 kB [ 1.517873][ T0] per task-struct memory footprint: 1920 bytes [ 1.519094][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.521001][ T0] ACPI: Core revision 20210331 [ 1.522346][ T0] APIC: Switch to symmetric I/O mode setup [ 1.529844][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.531502][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212733415c7, max_idle_ns: 440795236380 ns [ 1.534068][ T0] Calibrating delay loop (skipped) preset value.. 4599.99 BogoMIPS (lpj=22999980) [ 1.535807][ T0] pid_max: default: 32768 minimum: 301 [ 1.536933][ T0] LSM: Security Framework initializing [ 1.538333][ T0] landlock: Up and running. [ 1.539038][ T0] Yama: becoming mindful. [ 1.540013][ T0] TOMOYO Linux initialized [ 1.541388][ T0] AppArmor: AppArmor initialized [ 1.544093][ T0] LSM support for eBPF active [ 1.551439][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 1.556531][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 1.558247][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.559886][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.564724][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 1.566085][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 1.567490][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.568864][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 1.568915][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.571577][ T0] MDS: Mitigation: Clear CPU buffers [ 1.574251][ T0] Freeing SMP alternatives memory: 108K [ 1.696082][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 1.701252][ T1] Running RCU-tasks wait API self tests [ 1.824297][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 1.827178][ T1] rcu: Hierarchical SRCU implementation. [ 1.832062][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.834780][ T1] smp: Bringing up secondary CPUs ... [ 1.837155][ T1] x86: Booting SMP configuration: [ 1.838384][ T1] .... node #0, CPUs: #1 [ 0.038316][ T0] kvm-clock: cpu 1, msr f40e041, secondary cpu clock [ 1.841601][ T17] kvm-guest: stealtime: cpu 1, msr b9d1f440 [ 1.844353][ 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. [ 1.847444][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.848875][ T1] smpboot: Max logical packages: 1 [ 1.849733][ T1] smpboot: Total of 2 processors activated (9199.99 BogoMIPS) [ 1.853360][ T1] devtmpfs: initialized [ 1.853360][ T1] x86/mm: Memory block size: 128MB [ 1.864156][ T12] Callback from call_rcu_tasks_trace() invoked. [ 1.888862][ T26] wait_for_initramfs() called before rootfs_initcalls [ 1.894285][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.894183][ T26] kworker/u4:0 (26) used greatest stack depth: 27328 bytes left [ 1.897603][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 1.907660][ T1] PM: RTC time: 03:56:57, date: 2021-04-27 [ 1.912720][ T1] NET: Registered protocol family 16 [ 1.919447][ T1] audit: initializing netlink subsys (disabled) [ 1.921414][ T37] audit: type=2000 audit(1619495817.688:1): state=initialized audit_enabled=0 res=1 [ 1.926032][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 1.926051][ T1] thermal_sys: Registered thermal governor 'user_space' [ 1.928632][ T1] cpuidle: using governor menu [ 1.932234][ T1] NET: Registered protocol family 42 [ 1.941829][ T1] ACPI: bus type PCI registered [ 1.945145][ T1] PCI: Using configuration type 1 for base access [ 1.995614][ T69] kworker/u4:1 (69) used greatest stack depth: 27136 bytes left [ 2.604505][ T1167] kworker/u4:3 (1167) used greatest stack depth: 26888 bytes left [ 2.907232][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.907232][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.914382][ T11] Callback from call_rcu_tasks() invoked. [ 2.917070][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.939645][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.966266][ T1] raid6: skip pq benchmark and using algorithm avx2x4 [ 2.976347][ T1] raid6: using avx2x2 recovery algorithm [ 2.981140][ T1] ACPI: Added _OSI(Module Device) [ 2.981140][ T1] ACPI: Added _OSI(Processor Device) [ 2.981140][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.981140][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.982808][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 2.984092][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 2.986042][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 3.043347][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.101863][ T1] ACPI: Interpreter enabled [ 3.103628][ T1] ACPI: (supports S0 S3 S4 S5) [ 3.104121][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.114143][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.115899][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.216091][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.224077][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.224077][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.239729][ T1] PCI host bridge to bus 0000:00 [ 3.241984][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 3.244946][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.244946][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.244946][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.244946][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 3.246579][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.248753][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 3.268696][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 3.294986][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 3.311202][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.324933][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 3.328826][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 3.337831][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 3.364347][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 3.370997][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 3.377874][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 3.404374][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 3.414214][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 3.459168][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 3.463093][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 3.494833][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 3.505775][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 3.513452][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe802000-0xfe80203f] [ 3.554412][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 3.555913][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 3.564978][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 3.572339][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 3.576733][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 3.596677][ T1] iommu: Default domain type: Translated [ 3.600478][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 3.602672][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 3.606080][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 3.608220][ T1] vgaarb: loaded [ 3.617954][ T1] SCSI subsystem initialized [ 3.624983][ T1] ACPI: bus type USB registered [ 3.628028][ T1] usbcore: registered new interface driver usbfs [ 3.631207][ T1] usbcore: registered new interface driver hub [ 3.634295][ T1] usbcore: registered new device driver usb [ 3.642285][ T1] mc: Linux media interface: v0.10 [ 3.645942][ T1] videodev: Linux video capture interface: v2.00 [ 3.651485][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.654095][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.658271][ T1] PTP clock support registered [ 3.660916][ T1] EDAC MC: Ver: 3.0.0 [ 3.666775][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.677200][ T1] Bluetooth: Core ver 2.22 [ 3.679677][ T1] NET: Registered protocol family 31 [ 3.681744][ T1] Bluetooth: HCI device and connection manager initialized [ 3.684413][ T1] Bluetooth: HCI socket layer initialized [ 3.686827][ T1] Bluetooth: L2CAP socket layer initialized [ 3.689555][ T1] Bluetooth: SCO socket layer initialized [ 3.691932][ T1] NET: Registered protocol family 8 [ 3.694085][ T1] NET: Registered protocol family 20 [ 3.696547][ T1] NetLabel: Initializing [ 3.698434][ T1] NetLabel: domain hash size = 128 [ 3.700181][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.703690][ T1] NetLabel: unlabeled traffic allowed by default [ 3.706679][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.709800][ T1] NET: Registered protocol family 39 [ 3.715441][ T1] PCI: Using ACPI for IRQ routing [ 3.724845][ T1] clocksource: Switched to clocksource kvm-clock [ 4.260142][ T1] VFS: Disk quotas dquot_6.6.0 [ 4.262277][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.265413][ T1] FS-Cache: Loaded [ 4.268384][ T1] CacheFiles: Loaded [ 4.270566][ T1] TOMOYO: 2.6.0 [ 4.271589][ T1] Mandatory Access Control activated. [ 4.276440][ T1] AppArmor: AppArmor Filesystem Enabled [ 4.279461][ T1] pnp: PnP ACPI init [ 4.300611][ T1] pnp: PnP ACPI: found 7 devices [ 4.392795][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.396429][ T1] NET: Registered protocol family 2 [ 4.399110][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 4.408278][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, vmalloc) [ 4.411972][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 4.423352][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc) [ 4.432448][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 4.436479][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 4.440527][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 4.444403][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 4.447888][ T1] NET: Registered protocol family 1 [ 4.450969][ T1] RPC: Registered named UNIX socket transport module. [ 4.452860][ T1] RPC: Registered udp transport module. [ 4.454618][ T1] RPC: Registered tcp transport module. [ 4.455985][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.461608][ T1] NET: Registered protocol family 44 [ 4.463001][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 4.464452][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 4.466053][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 4.468146][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 4.471623][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.473446][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.475643][ T1] PCI: CLS 0 bytes, default 64 [ 4.483180][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.484881][ T1] software IO TLB: mapped [mem 0x00000000b5c00000-0x00000000b9c00000] (64MB) [ 4.495461][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 4.535350][ T1] kvm: already loaded the other module [ 4.537182][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212733415c7, max_idle_ns: 440795236380 ns [ 4.541297][ T1] clocksource: Switched to clocksource tsc [ 7.369641][ T1] Initialise system trusted keyrings [ 7.372387][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 7.411625][ T1] zbud: loaded [ 7.420249][ T1] DLM installed [ 7.427626][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 7.436824][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 7.442394][ T1] NFS: Registering the id_resolver key type [ 7.445035][ T1] Key type id_resolver registered [ 7.446937][ T1] Key type id_legacy registered [ 7.449123][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 7.452794][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 7.456503][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 7.465930][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 7.470630][ T1] Key type cifs.spnego registered [ 7.473171][ T1] Key type cifs.idmap registered [ 7.475819][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 7.479868][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 7.483134][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 7.489867][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 7.493663][ T1] QNX4 filesystem 0.2.3 registered. [ 7.495874][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 7.499272][ T1] fuse: init (API version 7.33) [ 7.505091][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 7.508008][ T1] orangefs_init: module version upstream loaded [ 7.511881][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 7.526240][ T1] SGI XFS with ACLs, security attributes, realtime, quota, fatal assert, debug enabled [ 7.538750][ T1] 9p: Installing v9fs 9p2000 file system support [ 7.541754][ T1] FS-Cache: Netfs '9p' registered for caching [ 7.545688][ T1] NILFS version 2 loaded [ 7.547703][ T1] befs: version: 0.9.3 [ 7.550824][ T1] ocfs2: Registered cluster interface o2cb [ 7.553980][ T1] ocfs2: Registered cluster interface user [ 7.557451][ T1] OCFS2 User DLM kernel interface loaded [ 7.571236][ T1] gfs2: GFS2 installed [ 7.582967][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 7.586264][ T1] ceph: loaded (mds proto 32) [ 7.603394][ T1] NET: Registered protocol family 38 [ 7.606491][ T1] xor: automatically using best checksumming function avx [ 7.609450][ T1] async_tx: api initialized (async) [ 7.611247][ T1] Key type asymmetric registered [ 7.612954][ T1] Asymmetric key parser 'x509' registered [ 7.614848][ T1] Asymmetric key parser 'pkcs8' registered [ 7.616388][ T1] Key type pkcs7_test registered [ 7.617756][ T1] Asymmetric key parser 'tpm_parser' registered [ 7.620058][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 241) [ 7.623729][ T1] io scheduler mq-deadline registered [ 7.624935][ T1] io scheduler kyber registered [ 7.626611][ T1] io scheduler bfq registered [ 7.647435][ T1] usbcore: registered new interface driver udlfb [ 7.649836][ T1] usbcore: registered new interface driver smscufx [ 7.653873][ T1] uvesafb: failed to execute /sbin/v86d [ 7.655242][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 7.657132][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 7.658933][ T1] uvesafb: vbe_init() failed with -22 [ 7.660140][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 7.663288][ T1] vga16fb: mapped to 0xffff8880000a0000 [ 7.733494][ T1] Console: switching to colour frame buffer device 80x30 [ 8.046682][ T1] fb0: VGA16 VGA frame buffer device [ 8.049569][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 8.053284][ T1] ACPI: button: Power Button [PWRF] [ 8.055424][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 8.057868][ T1] ACPI: button: Sleep Button [SLPF] [ 8.083286][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 8.085175][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 8.103978][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 8.105525][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 8.125301][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 8.126784][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 8.141165][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 8.314015][ T2467] kworker/u4:0 (2467) used greatest stack depth: 26632 bytes left [ 8.556793][ T1] N_HDLC line discipline registered with maxframe=4096 [ 8.558576][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 8.561115][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 8.567868][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 8.576004][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 8.583972][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 8.602683][ T1] Non-volatile memory driver v1.3 [ 8.623671][ T1] Linux agpgart interface v0.103 [ 8.634732][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 8.642210][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 8.660468][ T1] platform vkms: [drm] fb1: vkmsdrmfb frame buffer device [ 8.662261][ T1] usbcore: registered new interface driver udl [ 8.726193][ T1] brd: module loaded [ 8.803692][ T1] loop: module loaded [ 8.973457][ T1] zram: Added device: zram0 [ 8.982309][ T1] null_blk: module loaded [ 8.983614][ T1] Guest personality initialized and is inactive [ 8.985323][ T1] VMCI host device registered (name=vmci, major=10, minor=120) [ 8.986771][ T1] Initialized host personality [ 8.987632][ T1] usbcore: registered new interface driver rtsx_usb [ 8.989373][ T1] usbcore: registered new interface driver viperboard [ 8.991164][ T1] usbcore: registered new interface driver dln2 [ 8.992909][ T1] usbcore: registered new interface driver pn533_usb [ 8.998860][ T1] nfcsim 0.2 initialized [ 9.000074][ T1] usbcore: registered new interface driver port100 [ 9.001421][ T1] usbcore: registered new interface driver nfcmrvl [ 9.006537][ T1] Loading iSCSI transport class v2.0-870. [ 9.037437][ T1] scsi host0: Virtio SCSI HBA [ 9.084723][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 9.085971][ T9] general protection fault, probably for non-canonical address 0xdffffc00000000c5: 0000 [#1] PREEMPT SMP KASAN [ 9.088893][ T9] KASAN: null-ptr-deref in range [0x0000000000000628-0x000000000000062f] [ 9.090269][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-next-20210426-syzkaller #0 [ 9.092032][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 9.094081][ T9] Workqueue: events_unbound async_run_entry_fn [ 9.094081][ T9] RIP: 0010:bio_add_hw_page+0x198/0x830 [ 9.094081][ T9] Code: 48 c1 e9 03 80 3c 01 00 0f 85 b1 05 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b 43 08 48 8d b8 28 06 00 00 48 89 fe 48 c1 ee 03 <80> 3c 0e 00 0f 85 9d 05 00 00 48 8b 80 28 06 00 00 48 b9 00 00 00 [ 9.094081][ T9] RSP: 0000:ffffc90000ce76a8 EFLAGS: 00010206 [ 9.094081][ T9] RAX: 0000000000000000 RBX: ffff888014b35e00 RCX: dffffc0000000000 [ 9.094081][ T9] RDX: 0000000000000000 RSI: 00000000000000c5 RDI: 0000000000000628 [ 9.094081][ T9] RBP: 0000000000000024 R08: 0000000000000000 R09: 0000000000000000 [ 9.094081][ T9] R10: ffffffff83b75207 R11: 0000000000000001 R12: 0000000000000000 [ 9.094081][ T9] R13: ffff88801ba8e120 R14: 0000000000000000 R15: ffffea00006947c0 [ 9.094081][ T9] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 9.094081][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.094081][ T9] CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 00000000001506f0 [ 9.094081][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9.094081][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9.094081][ T9] Call Trace: [ 9.094081][ T9] bio_add_pc_page+0xb8/0x100 [ 9.094081][ T9] ? bio_add_hw_page+0x830/0x830 [ 9.094081][ T9] ? kasan_populate_vmalloc_pte+0xb0/0x160 [ 9.094081][ T9] ? bio_init+0x76/0x120 [ 9.094081][ T9] blk_rq_map_kern+0x2bd/0x750 [ 9.094081][ T9] __scsi_execute+0x4c1/0x600 [ 9.094081][ T9] scsi_probe_and_add_lun+0x521/0x34e0 [ 9.094081][ T9] ? scsi_alloc_target+0xb80/0xb80 [ 9.094081][ T9] ? __pm_runtime_resume+0xc5/0x180 [ 9.094081][ T9] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 9.094081][ T9] ? lockdep_hardirqs_on+0x79/0x100 [ 9.094081][ T9] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 9.094081][ T9] __scsi_scan_target+0x21f/0xdb0 [ 9.094081][ T9] ? find_held_lock+0x2d/0x110 [ 9.094081][ T9] ? scsi_add_device+0x80/0x80 [ 9.094081][ T9] ? __pm_runtime_resume+0xc5/0x180 [ 9.094081][ T9] ? mark_held_locks+0x9f/0xe0 [ 9.094081][ T9] scsi_scan_channel+0x148/0x1e0 [ 9.094081][ T9] scsi_scan_host_selected+0x2df/0x3b0 [ 9.094081][ T9] do_scsi_scan_host+0x1e8/0x260 [ 9.094081][ T9] ? scsi_scan_host+0x430/0x430 [ 9.094081][ T9] do_scan_async+0x3e/0x500 [ 9.094081][ T9] ? scsi_scan_host+0x430/0x430 [ 9.094081][ T9] async_run_entry_fn+0x9d/0x550 [ 9.094081][ T9] process_one_work+0x98d/0x1600 [ 9.094081][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 9.094081][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 9.094081][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 9.094081][ T9] worker_thread+0x64c/0x1120 [ 9.094081][ T9] ? process_one_work+0x1600/0x1600 [ 9.094081][ T9] kthread+0x3b1/0x4a0 [ 9.094081][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 9.094081][ T9] ret_from_fork+0x1f/0x30 [ 9.094081][ T9] Modules linked in: [ 9.148590][ T9] ---[ end trace 4d563af22484dcdc ]--- [ 9.149976][ T9] RIP: 0010:bio_add_hw_page+0x198/0x830 [ 9.150807][ T9] Code: 48 c1 e9 03 80 3c 01 00 0f 85 b1 05 00 00 48 b9 00 00 00 00 00 fc ff df 48 8b 43 08 48 8d b8 28 06 00 00 48 89 fe 48 c1 ee 03 <80> 3c 0e 00 0f 85 9d 05 00 00 48 8b 80 28 06 00 00 48 b9 00 00 00 [ 9.154053][ T9] RSP: 0000:ffffc90000ce76a8 EFLAGS: 00010206 [ 9.156777][ T9] RAX: 0000000000000000 RBX: ffff888014b35e00 RCX: dffffc0000000000 [ 9.158697][ T9] RDX: 0000000000000000 RSI: 00000000000000c5 RDI: 0000000000000628 [ 9.159971][ T9] RBP: 0000000000000024 R08: 0000000000000000 R09: 0000000000000000 [ 9.161191][ T9] R10: ffffffff83b75207 R11: 0000000000000001 R12: 0000000000000000 [ 9.163102][ T9] R13: ffff88801ba8e120 R14: 0000000000000000 R15: ffffea00006947c0 [ 9.165755][ T9] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 9.167428][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.168494][ T9] CR2: 0000000000000000 CR3: 000000000bc8e000 CR4: 00000000001506f0 [ 9.169656][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9.170826][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9.172035][ T9] Kernel panic - not syncing: Fatal exception [ 9.174067][ T9] Kernel Offset: disabled [ 9.174938][ T9] Rebooting in 86400 seconds..