[ 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=selinux lsm=lockdown,yama,safesetid,integrity,selinux,tomoyo 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 [ 0.000037][ T0] kvm-clock: cpu 0, msr addc001, primary cpu clock [ 0.000037][ T0] kvm-clock: using sched offset of 9007593545 cycles [ 0.010275][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.038777][ T0] tsc: Detected 2000.182 MHz processor [ 0.067148][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.079256][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.104536][ T0] found SMP MP-table at [mem 0x000f5a40-0x000f5a4f] [ 0.116926][ T0] check: Scanning 1 areas for low memory corruption [ 0.132367][ T0] ACPI: Early table checksum verification disabled [ 0.143521][ T0] ACPI: RSDP 0x00000000000F5870 000014 (v00 BOCHS ) [ 0.154949][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.168198][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.181366][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.197580][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.206760][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.220392][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.234372][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.246537][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.262423][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.280854][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.300044][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.313621][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.323922][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.332657][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.341917][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 0.351123][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 0.358602][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 0.367734][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 0.376697][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.387334][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 0.397431][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 0.410341][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 0.424147][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 0.445699][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.462906][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.478239][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.491418][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.516032][ T0] Zone ranges: [ 0.521906][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.533265][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.545364][ T0] Normal empty [ 0.551462][ T0] Device empty [ 0.557406][ T0] Movable zone start for each node [ 0.565922][ T0] Early memory node ranges [ 0.573087][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.585131][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 0.597095][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.610019][ T0] Zeroed struct page in unavailable ranges: 98 pages [ 0.610060][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 0.650310][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.812215][ T0] kasan: KernelAddressSanitizer initialized [ 0.835200][ T0] ACPI: PM-Timer IO Port: 0x608 [ 0.844707][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.855456][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.865908][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.876852][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.888289][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.898813][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.909076][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.921223][ T0] Using ACPI (MADT) for SMP configuration information [ 0.931888][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.941784][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 0.954122][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.966680][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.978548][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.991626][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 1.003578][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 1.013961][ T0] Booting paravirtualized kernel on KVM [ 1.022573][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.042387][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 1.067296][ T0] percpu: Embedded 66 pages/cpu s232584 r8192 d29560 u1048576 [ 1.080485][ T0] KVM setup async PF for cpu 0 [ 1.087094][ T0] kvm-stealtime: cpu 0, msr 2d022940 [ 1.094859][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 1.108258][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 1.118845][ T0] Policy zone: DMA32 [ 1.124471][ 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=selinux lsm=lockdown,yama,safesetid,integrity,selinux,tomoyo 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 [ 1.248219][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.493937][ T0] Memory: 1521820K/2096620K available (116745K kernel code, 16772K rwdata, 21096K rodata, 2780K init, 24904K bss, 574800K reserved, 0K cma-reserved) [ 1.569762][ T0] Running RCU self tests [ 1.578373][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.591015][ T0] rcu: RCU lockdep checking is enabled. [ 1.600281][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 1.613505][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 1.628259][ T0] Tasks RCU enabled. [ 1.635142][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.649252][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 1.674732][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 1.700107][ T0] random: get_random_bytes called from start_kernel+0x552/0x8e2 with crng_init=0 [ 1.918234][ T0] Console: colour VGA+ 80x25 [ 1.929209][ T0] printk: console [ttyS0] enabled [ 1.929209][ T0] printk: console [ttyS0] enabled [ 1.943386][ T0] printk: bootconsole [earlyser0] disabled [ 1.943386][ T0] printk: bootconsole [earlyser0] disabled [ 1.962049][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.985512][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.999679][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.012236][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.033856][ T0] ... CLASSHASH_SIZE: 4096 [ 2.049084][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 2.065723][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 2.077696][ T0] ... CHAINHASH_SIZE: 32768 [ 2.091989][ T0] memory used by lock dependency info: 6237 kB [ 2.110047][ T0] memory used for stack traces: 4224 kB [ 2.126480][ T0] per task-struct memory footprint: 1920 bytes [ 2.153876][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.178534][ T0] ACPI: Core revision 20200110 [ 2.196993][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 2.222906][ T0] APIC: Switch to symmetric I/O mode setup [ 2.239870][ T0] x2apic enabled [ 2.250717][ T0] Switched APIC routing to physical x2apic. [ 2.260083][ T0] KVM setup pv IPIs [ 2.298855][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 2.322492][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4da2e704, max_idle_ns: 440795303197 ns [ 2.359526][ T0] Calibrating delay loop (skipped) preset value.. 4000.36 BogoMIPS (lpj=20001820) [ 2.372658][ T0] pid_max: default: 32768 minimum: 301 [ 2.393481][ T0] LSM: Security Framework initializing [ 2.399445][ T0] LSM: security= is ignored because it is superseded by lsm= [ 2.409606][ T0] Yama: becoming mindful. [ 2.419341][ T0] SELinux: Initializing. [ 2.431323][ T0] *** VALIDATE SELinux *** [ 2.439536][ T0] TOMOYO Linux initialized [ 2.453963][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 2.460621][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 2.469752][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 2.479236][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 2.501082][ T0] *** VALIDATE tmpfs *** [ 2.531430][ T0] *** VALIDATE proc *** [ 2.563929][ T0] *** VALIDATE cgroup1 *** [ 2.569444][ T0] *** VALIDATE cgroup2 *** [ 2.606907][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 2.630381][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 2.639194][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 2.661822][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.669799][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 2.670128][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.690832][ T0] TAA: Mitigation: Clear CPU buffers [ 2.699201][ T0] MDS: Mitigation: Clear CPU buffers [ 2.790496][ T0] Freeing SMP alternatives memory: 96K [ 2.941160][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 3.020548][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 3.035946][ T1] rcu: Hierarchical SRCU implementation. [ 3.077075][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 3.100645][ T1] smp: Bringing up secondary CPUs ... [ 3.198911][ T1] x86: Booting SMP configuration: [ 3.199495][ T1] .... node #0, CPUs: #1 [ 0.603544][ T0] kvm-clock: cpu 1, msr addc041, secondary cpu clock [ 3.254980][ T15] KVM setup async PF for cpu 1 [ 3.259178][ T15] kvm-stealtime: cpu 1, msr 2d122940 [ 3.281409][ 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. [ 3.289649][ 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. [ 3.388869][ T1] #2 [ 0.603544][ T0] kvm-clock: cpu 2, msr addc081, secondary cpu clock [ 3.429919][ T20] KVM setup async PF for cpu 2 [ 3.439178][ T20] kvm-stealtime: cpu 2, msr 2d222940 [ 3.534161][ T1] #3 [ 0.603544][ T0] kvm-clock: cpu 3, msr addc0c1, secondary cpu clock [ 3.602047][ T25] KVM setup async PF for cpu 3 [ 3.609178][ T25] kvm-stealtime: cpu 3, msr 2d322940 [ 3.629591][ T1] smp: Brought up 2 nodes, 4 CPUs [ 3.639386][ T1] smpboot: Max logical packages: 2 [ 3.649425][ T1] smpboot: Total of 4 processors activated (16001.45 BogoMIPS) [ 3.701032][ T1] devtmpfs: initialized [ 3.713064][ T1] x86/mm: Memory block size: 128MB [ 3.775877][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 3.772499][ T33] kworker/u17:0 (33) used greatest stack depth: 27232 bytes left [ 3.791359][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 3.807713][ T1] xor: automatically using best checksumming function avx [ 3.817581][ T1] PM: RTC time: 01:02:23, date: 2020-01-31 [ 3.820374][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.820385][ T1] thermal_sys: Registered thermal governor 'user_space' [ 3.843411][ T1] NET: Registered protocol family 16 [ 3.872429][ T1] audit: initializing netlink subsys (disabled) [ 3.881649][ T38] audit: type=2000 audit(1580432542.468:1): state=initialized audit_enabled=0 res=1 [ 3.919477][ T1] cpuidle: using governor menu [ 3.939178][ T1] KVM setup pv remote TLB flush [ 3.950164][ T1] ACPI: bus type PCI registered [ 3.976392][ T1] dca service started, version 1.12.1 [ 3.992750][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 4.009472][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 4.101152][ T1] PCI: Using configuration type 1 for base access [ 4.140475][ T71] kworker/u17:1 (71) used greatest stack depth: 27216 bytes left [ 4.394976][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 4.481049][ T1] cryptd: max_cpu_qlen set to 1000 [ 4.739626][ T1] raid6: avx512x4 gen() 14396 MB/s [ 4.919420][ T1] raid6: avx512x4 xor() 5282 MB/s [ 5.099337][ T1] raid6: avx512x2 gen() 9255 MB/s [ 5.269358][ T1] raid6: avx512x2 xor() 2973 MB/s [ 5.439306][ T1] raid6: avx512x1 gen() 6838 MB/s [ 5.619461][ T1] raid6: avx512x1 xor() 2898 MB/s [ 5.789270][ T1] raid6: avx2x4 gen() 7249 MB/s [ 5.959313][ T1] raid6: avx2x4 xor() 4206 MB/s [ 6.141749][ T1] raid6: avx2x2 gen() 5967 MB/s [ 6.319433][ T1] raid6: avx2x2 xor() 2746 MB/s [ 6.491000][ T1] raid6: avx2x1 gen() 3585 MB/s [ 6.667304][ T1] raid6: avx2x1 xor() 1431 MB/s [ 6.847919][ T1] raid6: sse2x4 gen() 4298 MB/s [ 7.026546][ T1] raid6: sse2x4 xor() 2311 MB/s [ 7.196567][ T1] raid6: sse2x2 gen() 3108 MB/s [ 7.361154][ T1] raid6: sse2x2 xor() 1331 MB/s [ 7.549314][ T1] raid6: sse2x1 gen() 1813 MB/s [ 7.729198][ T1] raid6: sse2x1 xor() 833 MB/s [ 7.736727][ T1] raid6: using algorithm avx512x4 gen() 14396 MB/s [ 7.749379][ T1] raid6: .... xor() 5282 MB/s, rmw enabled [ 7.759486][ T1] raid6: using avx512x2 recovery algorithm [ 7.866133][ T1] ACPI: Added _OSI(Module Device) [ 7.881612][ T1] ACPI: Added _OSI(Processor Device) [ 7.899464][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 7.908709][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 7.919758][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 7.929073][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 7.949244][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 8.039765][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 8.152582][ T1] ACPI: Interpreter enabled [ 8.173728][ T1] ACPI: (supports S0 S3 S4 S5) [ 8.180418][ T1] ACPI: Using IOAPIC for interrupt routing [ 8.204054][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 8.225639][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 8.389178][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 8.432854][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 8.487922][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 8.532283][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 8.589385][ T1] PCI host bridge to bus 0000:00 [ 8.609449][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 8.629570][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 8.669333][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 8.709405][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 8.739422][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 8.769494][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 8.819372][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 8.870240][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 8.893039][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 8.963439][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 [ 9.099178][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref] [ 9.239178][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref] [ 9.299178][ T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff] [ 9.379178][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 9.514609][ T1] pci 0000:00:02.0: [8086:100e] type 00 class 0x020000 [ 9.539178][ T1] pci 0000:00:02.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 9.563876][ T1] pci 0000:00:02.0: reg 0x14: [io 0xc600-0xc63f] [ 9.590486][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 9.621141][ T1] pci 0000:00:03.0: [1af4:1000] type 00 class 0x020000 [ 9.644668][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc680-0xc69f] [ 9.651874][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 9.676380][ T1] pci 0000:00:03.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref] [ 9.692212][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] [ 9.720643][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 9.734139][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 9.764570][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 9.782324][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 9.791923][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 9.829178][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 9.853339][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf0000-0xfebf3fff] [ 9.905252][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 9.913195][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 9.931578][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 9.945834][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref] [ 9.979180][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 9.996062][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 10.009490][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 10.026677][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 10.039260][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 10.056068][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 10.076559][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 10.092712][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf7000-0xfebf7fff] [ 10.124684][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 10.149686][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 10.161720][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x70 took 19531 usecs [ 10.186258][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 10.212922][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 10.231366][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf8000-0xfebf8fff] [ 10.250808][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 10.279146][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 10.355580][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 10.366933][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 10.374261][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 10.381782][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 10.391688][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 10.401252][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 10.411285][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 10.421767][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 10.430379][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 10.439594][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 10.449575][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 10.459576][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 10.469633][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 10.479622][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 10.489562][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 10.499526][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 10.572784][ T1] iommu: Default domain type: Translated [ 10.592974][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 10.599178][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 10.629346][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 10.639259][ T1] vgaarb: loaded [ 10.690652][ T1] SCSI subsystem initialized [ 10.717741][ T1] ACPI: bus type USB registered [ 10.723158][ T1] usbcore: registered new interface driver usbfs [ 10.730248][ T1] usbcore: registered new interface driver hub [ 10.740159][ T1] usbcore: registered new device driver usb [ 10.755493][ T1] mc: Linux media interface: v0.10 [ 10.759506][ T1] videodev: Linux video capture interface: v2.00 [ 10.775227][ T1] pps_core: LinuxPPS API ver. 1 registered [ 10.779317][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 10.789396][ T1] PTP clock support registered [ 10.801975][ T1] EDAC MC: Ver: 3.0.0 [ 10.841812][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 10.851588][ T1] PCI: Using ACPI for IRQ routing [ 12.318629][ T1] Bluetooth: Core ver 2.22 [ 12.331146][ T1] NET: Registered protocol family 31 [ 12.339322][ T1] Bluetooth: HCI device and connection manager initialized [ 12.350263][ T1] Bluetooth: HCI socket layer initialized [ 12.359292][ T1] Bluetooth: L2CAP socket layer initialized [ 12.370232][ T1] Bluetooth: SCO socket layer initialized [ 12.379855][ T1] NET: Registered protocol family 8 [ 12.389243][ T1] NET: Registered protocol family 20 [ 12.402654][ T1] NetLabel: Initializing [ 12.409241][ T1] NetLabel: domain hash size = 128 [ 12.417072][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 12.424152][ T1] NetLabel: unlabeled traffic allowed by default [ 12.455145][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 12.461831][ T1] NET: Registered protocol family 39 [ 12.489178][ T1] ================================================================== [ 12.489178][ T1] BUG: KASAN: slab-out-of-bounds in hpet_alloc+0x442/0x490 [ 12.489178][ T1] Write of size 4 at addr ffff88807884d9d8 by task swapper/0/1 [ 12.489178][ T1] [ 12.489178][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.5.0-syzkaller #0 [ 12.489178][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 12.489178][ T1] Call Trace: [ 12.489178][ T1] dump_stack+0x197/0x210 [ 12.489178][ T1] ? hpet_alloc+0x442/0x490 [ 12.489178][ T1] print_address_description.constprop.0.cold+0xd4/0x30b [ 12.489178][ T1] ? hpet_alloc+0x442/0x490 [ 12.489178][ T1] ? hpet_alloc+0x442/0x490 [ 12.489178][ T1] __kasan_report.cold+0x1b/0x32 [ 12.489178][ T1] ? load_builtin_intel_microcode+0xd1/0x110 [ 12.489178][ T1] ? hpet_alloc+0x442/0x490 [ 12.489178][ T1] kasan_report+0x12/0x20 [ 12.489178][ T1] __asan_report_store4_noabort+0x17/0x20 [ 12.489178][ T1] hpet_alloc+0x442/0x490 [ 12.489178][ T1] ? find_microcode_in_initrd+0x317/0x4c0 [ 12.489178][ T1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 12.489178][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 12.489178][ T1] ? hpet_setup+0xd1/0xd1 [ 12.489178][ T1] ? up_write+0x150/0x490 [ 12.489178][ T1] ? debug_smp_processor_id+0x33/0x18a [ 12.489178][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 12.489178][ T1] ? hpet_enable+0x6e2/0x6e2 [ 12.489178][ T1] hpet_late_init+0x2f4/0x38b [ 12.489178][ T1] ? do_one_initcall+0x66e/0x820 [ 12.489178][ T1] ? hpet_enable+0x6e2/0x6e2 [ 12.489178][ T1] do_one_initcall+0x120/0x820 [ 12.489178][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 12.489178][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 12.489178][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 12.489178][ T1] ? __kasan_check_read+0x11/0x20 [ 12.489178][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 12.489178][ T1] kernel_init_freeable+0x4ca/0x570 [ 12.489178][ T1] ? rest_init+0x371/0x371 [ 12.489178][ T1] kernel_init+0x12/0x1bf [ 12.489178][ T1] ret_from_fork+0x24/0x30 [ 12.489178][ T1] [ 12.489178][ T1] Allocated by task 1: [ 12.489178][ T1] save_stack+0x23/0x90 [ 12.489178][ T1] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 12.489178][ T1] kasan_kmalloc+0x9/0x10 [ 12.489178][ T1] __kmalloc+0x163/0x770 [ 12.489178][ T1] hpet_alloc+0x12b/0x490 [ 12.489178][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 12.489178][ T1] hpet_late_init+0x2f4/0x38b [ 12.489178][ T1] do_one_initcall+0x120/0x820 [ 12.489178][ T1] kernel_init_freeable+0x4ca/0x570 [ 12.489178][ T1] kernel_init+0x12/0x1bf [ 12.489178][ T1] ret_from_fork+0x24/0x30 [ 12.489178][ T1] [ 12.489178][ T1] Freed by task 0: [ 12.489178][ T1] (stack is not available) [ 12.489178][ T1] [ 12.489178][ T1] The buggy address belongs to the object at ffff88807884d800 [ 12.489178][ T1] which belongs to the cache kmalloc-512 of size 512 [ 12.489178][ T1] The buggy address is located 472 bytes inside of [ 12.489178][ T1] 512-byte region [ffff88807884d800, ffff88807884da00) [ 12.489178][ T1] The buggy address belongs to the page: [ 12.489178][ T1] page:ffffea0001e21340 refcount:1 mapcount:0 mapping:ffff88802cc00a80 index:0xffff88807884dc00 [ 12.489178][ T1] raw: 04fffe0000000200 ffff88807a800738 ffff88807a800738 ffff88802cc00a80 [ 12.489178][ T1] raw: ffff88807884dc00 ffff88807884d000 0000000100000003 0000000000000000 [ 12.489178][ T1] page dumped because: kasan: bad access detected [ 12.489178][ T1] [ 12.489178][ T1] Memory state around the buggy address: [ 12.489178][ T1] ffff88807884d880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.489178][ T1] ffff88807884d900: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc [ 12.489178][ T1] >ffff88807884d980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.489178][ T1] ^ [ 12.489178][ T1] ffff88807884da00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.489178][ T1] ffff88807884da80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.489178][ T1] ================================================================== [ 12.489178][ T1] Disabling lock debugging due to kernel taint [ 12.489942][ T1] Kernel panic - not syncing: panic_on_warn set ... [ 12.499178][ T1] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G B 5.5.0-syzkaller #0 [ 12.499178][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 12.499178][ T1] Call Trace: [ 12.499178][ T1] dump_stack+0x197/0x210 [ 12.499178][ T1] panic+0x2e3/0x75c [ 12.499178][ T1] ? add_taint.cold+0x16/0x16 [ 12.499178][ T1] ? trace_hardirqs_on+0x5e/0x240 [ 12.499178][ T1] ? trace_hardirqs_on+0x5e/0x240 [ 12.499178][ T1] ? hpet_alloc+0x442/0x490 [ 12.499178][ T1] end_report+0x47/0x4f [ 12.499178][ T1] ? hpet_alloc+0x442/0x490 [ 12.499178][ T1] __kasan_report.cold+0xe/0x32 [ 12.499178][ T1] ? load_builtin_intel_microcode+0xd1/0x110 [ 12.499178][ T1] ? hpet_alloc+0x442/0x490 [ 12.499178][ T1] kasan_report+0x12/0x20 [ 12.499178][ T1] __asan_report_store4_noabort+0x17/0x20 [ 12.499178][ T1] hpet_alloc+0x442/0x490 [ 12.499178][ T1] ? find_microcode_in_initrd+0x317/0x4c0 [ 12.499178][ T1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 12.499178][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 12.499178][ T1] ? hpet_setup+0xd1/0xd1 [ 12.499178][ T1] ? up_write+0x150/0x490 [ 12.499178][ T1] ? debug_smp_processor_id+0x33/0x18a [ 12.499178][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 12.499178][ T1] ? hpet_enable+0x6e2/0x6e2 [ 12.499178][ T1] hpet_late_init+0x2f4/0x38b [ 12.499178][ T1] ? do_one_initcall+0x66e/0x820 [ 12.499178][ T1] ? hpet_enable+0x6e2/0x6e2 [ 12.499178][ T1] do_one_initcall+0x120/0x820 [ 12.499178][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 12.499178][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 12.499178][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 12.499178][ T1] ? __kasan_check_read+0x11/0x20 [ 12.499178][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 12.499178][ T1] kernel_init_freeable+0x4ca/0x570 [ 12.499178][ T1] ? rest_init+0x371/0x371 [ 12.499178][ T1] kernel_init+0x12/0x1bf [ 12.499178][ T1] ret_from_fork+0x24/0x30 [ 12.499178][ T1] Rebooting in 86400 seconds..