[ 0.000000][ T0] Linux version 5.5.0-syzkaller (syzkaller@syzkaller) (gcc version 9.0.0 20181231 (experimental) (GCC)) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 [ 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: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: xstate_offset[5]: 1088, xstate_sizes[5]: 64 [ 0.000000][ T0] x86/fpu: xstate_offset[6]: 1152, xstate_sizes[6]: 512 [ 0.000000][ T0] x86/fpu: xstate_offset[7]: 1664, xstate_sizes[7]: 1024 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2688 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 0x0000000000100000-0x000000007ffdcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000007ffdd000-0x000000007fffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 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 2.8 present. [ 0.000000][ T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000156][ T0] kvm-clock: cpu 0, msr addc001, primary cpu clock [ 0.000156][ T0] kvm-clock: using sched offset of 25262002136 cycles [ 0.031350][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.115234][ T0] tsc: Detected 2000.182 MHz processor [ 0.176815][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.230351][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.305092][ T0] found SMP MP-table at [mem 0x000f5a50-0x000f5a5f] [ 0.361765][ T0] check: Scanning 1 areas for low memory corruption [ 0.429598][ T0] ACPI: Early table checksum verification disabled [ 0.488699][ T0] ACPI: RSDP 0x00000000000F5880 000014 (v00 BOCHS ) [ 0.524775][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.576777][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.625637][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.669424][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.698681][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.739340][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.795913][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.859878][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.913436][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.961543][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 1.038017][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 1.066111][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 1.094767][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 1.132401][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 1.164154][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 1.189202][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 1.217176][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 1.241658][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 1.268248][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 1.302364][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 1.334249][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 1.368925][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 1.414635][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 1.489400][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 1.538764][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 1.582496][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 1.616012][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 1.672282][ T0] Zone ranges: [ 1.687774][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 1.727119][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 1.774565][ T0] Normal empty [ 1.800418][ T0] Device empty [ 1.825629][ T0] Movable zone start for each node [ 1.850307][ T0] Early memory node ranges [ 1.871381][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 1.907891][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 1.948897][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.988645][ T0] Zeroed struct page in unavailable ranges: 98 pages [ 1.988696][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 2.072484][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 2.377344][ T0] kasan: KernelAddressSanitizer initialized [ 2.470630][ T0] ACPI: PM-Timer IO Port: 0x608 [ 2.503403][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 2.548469][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 2.589182][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 2.626751][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 2.666377][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 2.707064][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 2.750006][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 2.786041][ T0] Using ACPI (MADT) for SMP configuration information [ 2.819107][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 2.849619][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 2.881115][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 2.921107][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 2.965785][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 3.002644][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 3.041841][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 3.080517][ T0] Booting paravirtualized kernel on KVM [ 3.124160][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 3.206784][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 3.280081][ T0] percpu: Embedded 66 pages/cpu s232584 r8192 d29560 u1048576 [ 3.317141][ T0] KVM setup async PF for cpu 0 [ 3.336051][ T0] kvm-stealtime: cpu 0, msr 2d022940 [ 3.367948][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 3.426525][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 3.477630][ T0] Policy zone: DMA32 [ 3.506374][ T0] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 [ 4.008514][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 4.366170][ T0] Memory: 1521820K/2096620K available (116745K kernel code, 16771K rwdata, 21096K rodata, 2780K init, 24904K bss, 574800K reserved, 0K cma-reserved) [ 4.688559][ T0] Running RCU self tests [ 4.729735][ T0] rcu: Preemptible hierarchical RCU implementation. [ 4.799785][ T0] rcu: RCU lockdep checking is enabled. [ 4.858642][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 4.928611][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 4.992982][ T0] Tasks RCU enabled. [ 5.020991][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 5.090843][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 5.177715][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 5.297261][ T0] random: get_random_bytes called from start_kernel+0x552/0x8e2 with crng_init=0 [ 5.908815][ T0] Console: colour VGA+ 80x25 [ 5.941753][ T0] printk: console [ttyS0] enabled [ 5.941753][ T0] printk: console [ttyS0] enabled [ 6.015157][ T0] printk: bootconsole [earlyser0] disabled [ 6.015157][ T0] printk: bootconsole [earlyser0] disabled [ 6.090566][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 6.145524][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 6.193554][ T0] ... MAX_LOCK_DEPTH: 48 [ 6.246245][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 6.302177][ T0] ... CLASSHASH_SIZE: 4096 [ 6.344358][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 6.395496][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 6.447487][ T0] ... CHAINHASH_SIZE: 32768 [ 6.492897][ T0] memory used by lock dependency info: 6237 kB [ 6.539591][ T0] memory used for stack traces: 4224 kB [ 6.586724][ T0] per task-struct memory footprint: 1920 bytes [ 6.638001][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 6.722244][ T0] ACPI: Core revision 20200110 [ 6.778394][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 6.879361][ T0] APIC: Switch to symmetric I/O mode setup [ 6.926969][ T0] x2apic enabled [ 6.952368][ T0] Switched APIC routing to physical x2apic. [ 6.973663][ T0] KVM setup pv IPIs [ 7.049304][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 7.073543][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4da2e704, max_idle_ns: 440795303197 ns [ 7.104681][ T0] Calibrating delay loop (skipped) preset value.. 4000.36 BogoMIPS (lpj=20001820) [ 7.115213][ T0] pid_max: default: 32768 minimum: 301 [ 7.128924][ T0] LSM: Security Framework initializing [ 7.134165][ T0] LSM: security= is ignored because it is superseded by lsm= [ 7.144563][ T0] Yama: becoming mindful. [ 7.169706][ T0] TOMOYO Linux initialized [ 7.189999][ T0] AppArmor: AppArmor initialized [ 7.209432][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 7.216061][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 7.224303][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 7.233947][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 7.249246][ T0] *** VALIDATE tmpfs *** [ 7.298173][ T0] *** VALIDATE proc *** [ 7.349456][ T0] *** VALIDATE cgroup1 *** [ 7.363982][ T0] *** VALIDATE cgroup2 *** [ 7.410822][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 7.437395][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 7.443885][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 7.457277][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 7.465122][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 7.465715][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 7.494995][ T0] TAA: Mitigation: Clear CPU buffers [ 7.503939][ T0] MDS: Mitigation: Clear CPU buffers [ 7.681228][ T0] Freeing SMP alternatives memory: 96K [ 8.030435][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 8.105238][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 8.137637][ T1] rcu: Hierarchical SRCU implementation. [ 8.171561][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 8.194452][ T1] smp: Bringing up secondary CPUs ... [ 8.292209][ T1] x86: Booting SMP configuration: [ 8.294221][ T1] .... node #0, CPUs: #1 [ 1.717345][ T0] kvm-clock: cpu 1, msr addc041, secondary cpu clock [ 8.339986][ T15] KVM setup async PF for cpu 1 [ 8.343858][ T15] kvm-stealtime: cpu 1, msr 2d122940 [ 8.364504][ 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. [ 8.373940][ T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details. [ 8.469269][ T1] #2 [ 1.717345][ T0] kvm-clock: cpu 2, msr addc081, secondary cpu clock [ 8.503859][ T20] KVM setup async PF for cpu 2 [ 8.503859][ T20] kvm-stealtime: cpu 2, msr 2d222940 [ 8.607339][ T1] #3 [ 1.717345][ T0] kvm-clock: cpu 3, msr addc0c1, secondary cpu clock [ 8.649409][ T25] KVM setup async PF for cpu 3 [ 8.653858][ T25] kvm-stealtime: cpu 3, msr 2d322940 [ 8.674741][ T1] smp: Brought up 2 nodes, 4 CPUs [ 8.684097][ T1] smpboot: Max logical packages: 2 [ 8.694073][ T1] smpboot: Total of 4 processors activated (16001.45 BogoMIPS) [ 8.771944][ T1] devtmpfs: initialized [ 8.819848][ T1] x86/mm: Memory block size: 128MB [ 9.005065][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 9.043612][ T34] kworker/u17:0 (34) used greatest stack depth: 27536 bytes left [ 9.074975][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 9.089444][ T1] xor: automatically using best checksumming function avx [ 9.212478][ T1] PM: RTC time: 19:40:30, date: 2020-01-31 [ 9.258199][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 9.258301][ T1] thermal_sys: Registered thermal governor 'user_space' [ 9.363858][ T1] NET: Registered protocol family 16 [ 9.432178][ T1] audit: initializing netlink subsys (disabled) [ 9.495368][ T40] audit: type=2000 audit(1580499628.375:1): state=initialized audit_enabled=0 res=1 [ 9.554244][ T1] cpuidle: using governor menu [ 9.577294][ T1] KVM setup pv remote TLB flush [ 9.586084][ T1] ACPI: bus type PCI registered [ 9.602290][ T1] dca service started, version 1.12.1 [ 9.613858][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 9.624765][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 9.720441][ T1] PCI: Using configuration type 1 for base access [ 9.780100][ T119] kworker/u17:0 (119) used greatest stack depth: 27440 bytes left [ 9.834517][ T238] kworker/u17:2 (238) used greatest stack depth: 27304 bytes left [ 9.920686][ T807] kworker/u17:2 (807) used greatest stack depth: 27144 bytes left [ 10.008085][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 10.286248][ T1] cryptd: max_cpu_qlen set to 1000 [ 10.753882][ T1] raid6: avx512x4 gen() 13367 MB/s [ 10.952886][ T1] raid6: avx512x4 xor() 5463 MB/s [ 11.133882][ T1] raid6: avx512x2 gen() 10108 MB/s [ 11.322695][ T1] raid6: avx512x2 xor() 3638 MB/s [ 11.499687][ T1] raid6: avx512x1 gen() 6196 MB/s [ 11.677641][ T1] raid6: avx512x1 xor() 2721 MB/s [ 11.871205][ T1] raid6: avx2x4 gen() 6895 MB/s [ 12.053876][ T1] raid6: avx2x4 xor() 4337 MB/s [ 12.231891][ T1] raid6: avx2x2 gen() 4424 MB/s [ 12.408659][ T1] raid6: avx2x2 xor() 2450 MB/s [ 12.603887][ T1] raid6: avx2x1 gen() 3261 MB/s [ 12.783912][ T1] raid6: avx2x1 xor() 1118 MB/s [ 12.944037][ T1] raid6: sse2x4 gen() 4036 MB/s [ 13.126169][ T1] raid6: sse2x4 xor() 2160 MB/s [ 13.311817][ T1] raid6: sse2x2 gen() 2875 MB/s [ 13.487602][ T1] raid6: sse2x2 xor() 1286 MB/s [ 13.665169][ T1] raid6: sse2x1 gen() 1803 MB/s [ 13.853800][ T1] raid6: sse2x1 xor() 682 MB/s [ 13.863965][ T1] raid6: using algorithm avx512x4 gen() 13367 MB/s [ 13.873990][ T1] raid6: .... xor() 5463 MB/s, rmw enabled [ 13.894388][ T1] raid6: using avx512x2 recovery algorithm [ 13.925390][ T1] ACPI: Added _OSI(Module Device) [ 13.933922][ T1] ACPI: Added _OSI(Processor Device) [ 13.943919][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 13.963918][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 13.974179][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 14.004019][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 14.023965][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 14.120110][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 14.228239][ T1] ACPI: Interpreter enabled [ 14.238810][ T1] ACPI: (supports S0 S3 S4 S5) [ 14.244113][ T1] ACPI: Using IOAPIC for interrupt routing [ 14.257501][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 14.268986][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 14.441546][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 14.446052][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 14.465445][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 14.477051][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 14.493662][ T1] PCI host bridge to bus 0000:00 [ 14.493977][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 14.504021][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 14.514176][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 14.524064][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 14.534075][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 14.544032][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 14.554043][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 14.564669][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 14.582399][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 14.644723][ T1] pci 0000:00:01.0: [1234:1111] type 00 class 0x030000 [ 14.743858][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfd000000-0xfdffffff pref] [ 14.923858][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfebf8000-0xfebf8fff] [ 15.263835][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 15.592730][ T1] pci 0000:00:02.0: [8086:100e] type 00 class 0x020000 [ 15.613858][ T1] pci 0000:00:02.0: reg 0x10: [mem 0xfeb80000-0xfeb9ffff] [ 15.620374][ T1] pci 0000:00:02.0: reg 0x14: [io 0xc600-0xc63f] [ 15.652915][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb00000-0xfeb3ffff pref] [ 15.681008][ T1] pci 0000:00:03.0: [8086:10d3] type 00 class 0x020000 [ 15.691961][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfeba0000-0xfebbffff] [ 15.697777][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebc0000-0xfebdffff] [ 15.708791][ T1] pci 0000:00:03.0: reg 0x18: [io 0xc680-0xc69f] [ 15.718467][ T1] pci 0000:00:03.0: reg 0x1c: [mem 0xfebf0000-0xfebf3fff] [ 15.742614][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 15.830728][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 15.838146][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 15.891432][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 15.902752][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 15.909051][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 15.941842][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 15.950643][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf4000-0xfebf7fff] [ 15.996086][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 16.016050][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 16.028562][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf9000-0xfebf9fff] [ 16.049770][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe000000-0xfe003fff 64bit pref] [ 16.084955][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 16.113447][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 16.125163][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 16.146905][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 16.168932][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 16.196564][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 16.216430][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 16.227806][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebfa000-0xfebfafff] [ 16.252251][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 16.278411][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 16.291064][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x70 took 19531 usecs [ 16.313499][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 16.340506][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 16.348794][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebfb000-0xfebfbfff] [ 16.365809][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 16.382986][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 16.462256][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 16.468732][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 16.476992][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 16.486806][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 16.496295][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 16.506367][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 16.517677][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 16.526698][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 16.534632][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 16.544336][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 16.554358][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 16.564635][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 16.574696][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 16.584442][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 16.594288][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 16.604408][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 16.728114][ T1] iommu: Default domain type: Translated [ 16.761276][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 16.763858][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 16.764169][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 16.774035][ T1] vgaarb: loaded [ 16.862174][ T1] SCSI subsystem initialized [ 16.908441][ T1] ACPI: bus type USB registered [ 16.918150][ T1] usbcore: registered new interface driver usbfs [ 16.926084][ T1] usbcore: registered new interface driver hub [ 16.936722][ T1] usbcore: registered new device driver usb [ 16.952842][ T1] mc: Linux media interface: v0.10 [ 16.954753][ T1] videodev: Linux video capture interface: v2.00 [ 16.970720][ T1] pps_core: LinuxPPS API ver. 1 registered [ 16.974109][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 16.984886][ T1] PTP clock support registered [ 16.998908][ T1] EDAC MC: Ver: 3.0.0 [ 17.071269][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 17.094437][ T1] PCI: Using ACPI for IRQ routing [ 20.935138][ T1] Bluetooth: Core ver 2.22 [ 20.978281][ T1] NET: Registered protocol family 31 [ 21.004157][ T1] Bluetooth: HCI device and connection manager initialized [ 21.025915][ T1] Bluetooth: HCI socket layer initialized [ 21.074294][ T1] Bluetooth: L2CAP socket layer initialized [ 21.126473][ T1] Bluetooth: SCO socket layer initialized [ 21.165721][ T1] NET: Registered protocol family 8 [ 21.204079][ T1] NET: Registered protocol family 20 [ 21.275584][ T1] NetLabel: Initializing [ 21.304213][ T1] NetLabel: domain hash size = 128 [ 21.344149][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 21.404832][ T1] NetLabel: unlabeled traffic allowed by default [ 21.471046][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 21.520055][ T1] NET: Registered protocol family 39 [ 21.617344][ T1] ================================================================== [ 21.623858][ T1] BUG: KASAN: slab-out-of-bounds in hpet_alloc+0x442/0x490 [ 21.623858][ T1] Write of size 4 at addr ffff8880788a2dd8 by task swapper/0/1 [ 21.623858][ T1] [ 21.623858][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.5.0-syzkaller #0 [ 21.864440][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 21.864440][ T1] Call Trace: [ 21.864440][ T1] dump_stack+0x197/0x210 [ 21.864440][ T1] ? hpet_alloc+0x442/0x490 [ 21.864440][ T1] print_address_description.constprop.0.cold+0xd4/0x30b [ 21.864440][ T1] ? hpet_alloc+0x442/0x490 [ 21.864440][ T1] ? hpet_alloc+0x442/0x490 [ 21.864440][ T1] __kasan_report.cold+0x1b/0x32 [ 21.864440][ T1] ? hpet_alloc+0x442/0x490 [ 21.864440][ T1] kasan_report+0x12/0x20 [ 21.864440][ T1] __asan_report_store4_noabort+0x17/0x20 [ 21.864440][ T1] hpet_alloc+0x442/0x490 [ 21.864440][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 21.864440][ T1] ? hpet_setup+0xd1/0xd1 [ 21.864440][ T1] ? debug_smp_processor_id+0x33/0x18a [ 21.864440][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 21.864440][ T1] ? hpet_enable+0x6e2/0x6e2 [ 21.864440][ T1] hpet_late_init+0x2f4/0x38b [ 21.864440][ T1] ? do_one_initcall+0x66e/0x820 [ 21.864440][ T1] ? hpet_enable+0x6e2/0x6e2 [ 21.864440][ T1] do_one_initcall+0x120/0x820 [ 21.864440][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 21.864440][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 21.864440][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 21.864440][ T1] ? __kasan_check_read+0x11/0x20 [ 21.864440][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 21.864440][ T1] kernel_init_freeable+0x4ca/0x570 [ 21.864440][ T1] ? rest_init+0x371/0x371 [ 21.864440][ T1] kernel_init+0x12/0x1bf [ 21.864440][ T1] ret_from_fork+0x24/0x30 [ 21.864440][ T1] [ 21.864440][ T1] Allocated by task 1: [ 21.864440][ T1] save_stack+0x23/0x90 [ 21.864440][ T1] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 21.864440][ T1] kasan_kmalloc+0x9/0x10 [ 21.864440][ T1] __kmalloc+0x163/0x770 [ 21.864440][ T1] hpet_alloc+0x12b/0x490 [ 21.864440][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 21.864440][ T1] hpet_late_init+0x2f4/0x38b [ 21.864440][ T1] do_one_initcall+0x120/0x820 [ 21.864440][ T1] kernel_init_freeable+0x4ca/0x570 [ 21.864440][ T1] kernel_init+0x12/0x1bf [ 21.864440][ T1] ret_from_fork+0x24/0x30 [ 21.864440][ T1] [ 21.864440][ T1] Freed by task 0: [ 21.864440][ T1] (stack is not available) [ 21.864440][ T1] [ 21.864440][ T1] The buggy address belongs to the object at ffff8880788a2c00 [ 21.864440][ T1] which belongs to the cache kmalloc-512 of size 512 [ 21.864440][ T1] The buggy address is located 472 bytes inside of [ 21.864440][ T1] 512-byte region [ffff8880788a2c00, ffff8880788a2e00) [ 21.864440][ T1] The buggy address belongs to the page: [ 21.864440][ T1] page:ffffea0001e22880 refcount:1 mapcount:0 mapping:ffff88802cc00a80 index:0x0 [ 21.864440][ T1] raw: 04fffe0000000200 ffffea0001e20408 ffff88807a800748 ffff88802cc00a80 [ 21.864440][ T1] raw: 0000000000000000 ffff8880788a2000 0000000100000004 0000000000000000 [ 21.864440][ T1] page dumped because: kasan: bad access detected [ 21.864440][ T1] [ 21.864440][ T1] Memory state around the buggy address: [ 21.864440][ T1] ffff8880788a2c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.864440][ T1] ffff8880788a2d00: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc [ 21.864440][ T1] >ffff8880788a2d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.864440][ T1] ^ [ 21.864440][ T1] ffff8880788a2e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.864440][ T1] ffff8880788a2e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.864440][ T1] ================================================================== [ 21.864440][ T1] Disabling lock debugging due to kernel taint [ 23.604195][ T1] Kernel panic - not syncing: panic_on_warn set ... [ 23.613858][ T1] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G B 5.5.0-syzkaller #0 [ 23.613858][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 23.613858][ T1] Call Trace: [ 23.784381][ T1] dump_stack+0x197/0x210 [ 23.784381][ T1] panic+0x2e3/0x75c [ 23.784381][ T1] ? add_taint.cold+0x16/0x16 [ 23.784381][ T1] ? hpet_alloc+0x442/0x490 [ 23.784381][ T1] ? preempt_schedule+0x4b/0x60 [ 23.784381][ T1] ? ___preempt_schedule+0x16/0x18 [ 23.784381][ T1] ? trace_hardirqs_on+0x5e/0x240 [ 23.784381][ T1] ? hpet_alloc+0x442/0x490 [ 23.784381][ T1] end_report+0x47/0x4f [ 23.784381][ T1] ? hpet_alloc+0x442/0x490 [ 23.784381][ T1] __kasan_report.cold+0xe/0x32 [ 23.784381][ T1] ? hpet_alloc+0x442/0x490 [ 23.784381][ T1] kasan_report+0x12/0x20 [ 23.784381][ T1] __asan_report_store4_noabort+0x17/0x20 [ 23.784381][ T1] hpet_alloc+0x442/0x490 [ 23.784381][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 23.784381][ T1] ? hpet_setup+0xd1/0xd1 [ 23.784381][ T1] ? debug_smp_processor_id+0x33/0x18a [ 23.784381][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 23.784381][ T1] ? hpet_enable+0x6e2/0x6e2 [ 23.784381][ T1] hpet_late_init+0x2f4/0x38b [ 23.784381][ T1] ? do_one_initcall+0x66e/0x820 [ 23.784381][ T1] ? hpet_enable+0x6e2/0x6e2 [ 23.784381][ T1] do_one_initcall+0x120/0x820 [ 23.784381][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 23.784381][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 23.784381][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 23.784381][ T1] ? __kasan_check_read+0x11/0x20 [ 23.784381][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 23.784381][ T1] kernel_init_freeable+0x4ca/0x570 [ 23.784381][ T1] ? rest_init+0x371/0x371 [ 23.784381][ T1] kernel_init+0x12/0x1bf [ 23.784381][ T1] ret_from_fork+0x24/0x30 [ 23.784381][ T1] Rebooting in 86400 seconds..