[ 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 [ 0.000118][ T0] kvm-clock: cpu 0, msr addc001, primary cpu clock [ 0.000119][ T0] kvm-clock: using sched offset of 10685342914 cycles [ 0.020694][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.083495][ T0] tsc: Detected 2000.182 MHz processor [ 0.126087][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.149676][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.185527][ T0] found SMP MP-table at [mem 0x000f5a50-0x000f5a5f] [ 0.209570][ T0] check: Scanning 1 areas for low memory corruption [ 0.235384][ T0] ACPI: Early table checksum verification disabled [ 0.253155][ T0] ACPI: RSDP 0x00000000000F5880 000014 (v00 BOCHS ) [ 0.267835][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.291528][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.315336][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.338219][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.351309][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.374546][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.398374][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.418564][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.438432][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.458607][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.501770][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.520463][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.539815][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.552020][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.563920][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 0.580299][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 0.597735][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 0.609887][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 0.621163][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.635808][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 0.648936][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 0.663484][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 0.685285][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 0.712271][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.731148][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.750741][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.770610][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.797285][ T0] Zone ranges: [ 0.805782][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.821172][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.836110][ T0] Normal empty [ 0.843340][ T0] Device empty [ 0.849591][ T0] Movable zone start for each node [ 0.860147][ T0] Early memory node ranges [ 0.867498][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.879005][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 0.889711][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.901548][ T0] Zeroed struct page in unavailable ranges: 98 pages [ 0.901600][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 0.945007][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.153487][ T0] kasan: KernelAddressSanitizer initialized [ 1.211507][ T0] ACPI: PM-Timer IO Port: 0x608 [ 1.238616][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 1.284843][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 1.337329][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 1.389223][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 1.434051][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 1.470508][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 1.512867][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 1.556404][ T0] Using ACPI (MADT) for SMP configuration information [ 1.588524][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 1.623053][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 1.661124][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 1.693249][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 1.720031][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 1.759471][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 1.789244][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 1.818910][ T0] Booting paravirtualized kernel on KVM [ 1.848961][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.904362][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 1.969658][ T0] percpu: Embedded 66 pages/cpu s232584 r8192 d29560 u1048576 [ 2.007986][ T0] KVM setup async PF for cpu 0 [ 2.027806][ T0] kvm-stealtime: cpu 0, msr 2d022940 [ 2.052646][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 2.088257][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 2.116023][ T0] Policy zone: DMA32 [ 2.129470][ 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 [ 2.371962][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 2.657282][ T0] Memory: 1521820K/2096620K available (116745K kernel code, 16772K rwdata, 21096K rodata, 2780K init, 24904K bss, 574800K reserved, 0K cma-reserved) [ 2.753995][ T0] Running RCU self tests [ 2.763151][ T0] rcu: Preemptible hierarchical RCU implementation. [ 2.781373][ T0] rcu: RCU lockdep checking is enabled. [ 2.795149][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 2.814559][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 2.834563][ T0] Tasks RCU enabled. [ 2.841813][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.867548][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 2.905807][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 2.942020][ T0] random: get_random_bytes called from start_kernel+0x552/0x8e2 with crng_init=0 [ 3.173008][ T0] Console: colour VGA+ 80x25 [ 3.186813][ T0] printk: console [ttyS0] enabled [ 3.186813][ T0] printk: console [ttyS0] enabled [ 3.213154][ T0] printk: bootconsole [earlyser0] disabled [ 3.213154][ T0] printk: bootconsole [earlyser0] disabled [ 3.241332][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 3.261323][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 3.272381][ T0] ... MAX_LOCK_DEPTH: 48 [ 3.281947][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 3.294379][ T0] ... CLASSHASH_SIZE: 4096 [ 3.305685][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 3.320382][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 3.331193][ T0] ... CHAINHASH_SIZE: 32768 [ 3.341739][ T0] memory used by lock dependency info: 6237 kB [ 3.355193][ T0] memory used for stack traces: 4224 kB [ 3.369445][ T0] per task-struct memory footprint: 1920 bytes [ 3.385057][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 3.415963][ T0] ACPI: Core revision 20200110 [ 3.437065][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 3.493866][ T0] APIC: Switch to symmetric I/O mode setup [ 3.539453][ T0] x2apic enabled [ 3.566193][ T0] Switched APIC routing to physical x2apic. [ 3.583772][ T0] KVM setup pv IPIs [ 3.628457][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 3.643875][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4da2e704, max_idle_ns: 440795303197 ns [ 3.673928][ T0] Calibrating delay loop (skipped) preset value.. 4000.36 BogoMIPS (lpj=20001820) [ 3.694666][ T0] pid_max: default: 32768 minimum: 301 [ 3.707551][ T0] LSM: Security Framework initializing [ 3.713801][ T0] LSM: security= is ignored because it is superseded by lsm= [ 3.723962][ T0] Yama: becoming mindful. [ 3.736448][ T0] TOMOYO Linux initialized [ 3.749673][ T0] AppArmor: AppArmor initialized [ 3.756317][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 3.765229][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 3.774364][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 3.783634][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 3.796414][ T0] *** VALIDATE tmpfs *** [ 3.826843][ T0] *** VALIDATE proc *** [ 3.850673][ T0] *** VALIDATE cgroup1 *** [ 3.853736][ T0] *** VALIDATE cgroup2 *** [ 3.881417][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 3.896577][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 3.903585][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 3.914680][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 3.923916][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 3.924176][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 3.944203][ T0] TAA: Mitigation: Clear CPU buffers [ 3.953573][ T0] MDS: Mitigation: Clear CPU buffers [ 4.020133][ T0] Freeing SMP alternatives memory: 96K [ 4.277763][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 4.376681][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 4.389976][ T1] rcu: Hierarchical SRCU implementation. [ 4.426426][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 4.465249][ T1] smp: Bringing up secondary CPUs ... [ 4.563556][ T1] x86: Booting SMP configuration: [ 4.573906][ T1] .... node #0, CPUs: #1 [ 0.657495][ T0] kvm-clock: cpu 1, msr addc041, secondary cpu clock [ 4.648357][ T15] KVM setup async PF for cpu 1 [ 4.653559][ T15] kvm-stealtime: cpu 1, msr 2d122940 [ 4.689587][ 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. [ 4.703829][ 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. [ 4.797883][ T1] #2 [ 0.657495][ T0] kvm-clock: cpu 2, msr addc081, secondary cpu clock [ 4.855308][ T20] KVM setup async PF for cpu 2 [ 4.863559][ T20] kvm-stealtime: cpu 2, msr 2d222940 [ 4.968472][ T1] #3 [ 0.657495][ T0] kvm-clock: cpu 3, msr addc0c1, secondary cpu clock [ 5.014228][ T25] KVM setup async PF for cpu 3 [ 5.023559][ T25] kvm-stealtime: cpu 3, msr 2d322940 [ 5.064430][ T1] smp: Brought up 2 nodes, 4 CPUs [ 5.073720][ T1] smpboot: Max logical packages: 2 [ 5.083747][ T1] smpboot: Total of 4 processors activated (16001.45 BogoMIPS) [ 5.158438][ T1] devtmpfs: initialized [ 5.199569][ T1] x86/mm: Memory block size: 128MB [ 5.328105][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 5.356570][ T33] kworker/u17:0 (33) used greatest stack depth: 27536 bytes left [ 5.394366][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 5.499692][ T1] xor: automatically using best checksumming function avx [ 5.550275][ T1] PM: RTC time: 00:46:09, date: 2020-01-31 [ 5.587243][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 5.587283][ T1] thermal_sys: Registered thermal governor 'user_space' [ 5.650810][ T1] NET: Registered protocol family 16 [ 5.728019][ T1] audit: initializing netlink subsys (disabled) [ 5.755040][ T40] audit: type=2000 audit(1580431569.452:1): state=initialized audit_enabled=0 res=1 [ 5.793818][ T1] cpuidle: using governor menu [ 5.814982][ T1] KVM setup pv remote TLB flush [ 5.834560][ T1] ACPI: bus type PCI registered [ 5.859771][ T1] dca service started, version 1.12.1 [ 5.883591][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 5.924087][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 6.010497][ T1] PCI: Using configuration type 1 for base access [ 6.085740][ T95] kworker/u17:1 (95) used greatest stack depth: 27440 bytes left [ 6.134236][ T270] kworker/u17:4 (270) used greatest stack depth: 27304 bytes left [ 6.399259][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 6.595627][ T1] cryptd: max_cpu_qlen set to 1000 [ 6.963577][ T1] raid6: avx512x4 gen() 13419 MB/s [ 7.134954][ T1] raid6: avx512x4 xor() 5430 MB/s [ 7.334636][ T1] raid6: avx512x2 gen() 10000 MB/s [ 7.518564][ T1] raid6: avx512x2 xor() 5347 MB/s [ 7.703580][ T1] raid6: avx512x1 gen() 6799 MB/s [ 7.887742][ T1] raid6: avx512x1 xor() 2835 MB/s [ 8.072103][ T1] raid6: avx2x4 gen() 7738 MB/s [ 8.246350][ T1] raid6: avx2x4 xor() 4120 MB/s [ 8.423584][ T1] raid6: avx2x2 gen() 5793 MB/s [ 8.596021][ T1] raid6: avx2x2 xor() 2762 MB/s [ 8.783582][ T1] raid6: avx2x1 gen() 3723 MB/s [ 8.944580][ T1] raid6: avx2x1 xor() 1422 MB/s [ 9.143811][ T1] raid6: sse2x4 gen() 4130 MB/s [ 9.330533][ T1] raid6: sse2x4 xor() 2353 MB/s [ 9.512794][ T1] raid6: sse2x2 gen() 3095 MB/s [ 9.683762][ T1] raid6: sse2x2 xor() 1310 MB/s [ 9.853978][ T1] raid6: sse2x1 gen() 1789 MB/s [ 10.023978][ T1] raid6: sse2x1 xor() 736 MB/s [ 10.033447][ T1] raid6: using algorithm avx512x4 gen() 13419 MB/s [ 10.063707][ T1] raid6: .... xor() 5430 MB/s, rmw enabled [ 10.073845][ T1] raid6: using avx512x2 recovery algorithm [ 10.095626][ T1] ACPI: Added _OSI(Module Device) [ 10.103637][ T1] ACPI: Added _OSI(Processor Device) [ 10.123630][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 10.131463][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 10.144087][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 10.153631][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 10.163619][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 10.245761][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 10.359307][ T1] ACPI: Interpreter enabled [ 10.366963][ T1] ACPI: (supports S0 S3 S4 S5) [ 10.383686][ T1] ACPI: Using IOAPIC for interrupt routing [ 10.395193][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 10.407493][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 10.549062][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 10.554565][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 10.578106][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 10.596395][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 10.620090][ T1] PCI host bridge to bus 0000:00 [ 10.623626][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 10.643717][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 10.653646][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 10.663713][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 10.683625][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 10.693707][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 10.713743][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 10.734572][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 10.767852][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 10.804228][ T1] pci 0000:00:01.0: [1234:1111] type 00 class 0x030000 [ 10.853559][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfd000000-0xfdffffff pref] [ 10.943559][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfebf8000-0xfebf8fff] [ 11.103559][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 11.443559][ T1] pci 0000:00:02.0: [8086:100e] type 00 class 0x020000 [ 11.563990][ T1] pci 0000:00:02.0: reg 0x10: [mem 0xfeb80000-0xfeb9ffff] [ 11.624992][ T1] pci 0000:00:02.0: reg 0x14: [io 0xc600-0xc63f] [ 11.701484][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb00000-0xfeb3ffff pref] [ 11.889417][ T1] pci 0000:00:03.0: [8086:10d3] type 00 class 0x020000 [ 11.942140][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfeba0000-0xfebbffff] [ 11.969342][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebc0000-0xfebdffff] [ 12.009067][ T1] pci 0000:00:03.0: reg 0x18: [io 0xc680-0xc69f] [ 12.050480][ T1] pci 0000:00:03.0: reg 0x1c: [mem 0xfebf0000-0xfebf3fff] [ 12.098628][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 12.167934][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 12.187570][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 12.237580][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 12.269955][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 12.297257][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 12.349184][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 12.390689][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf4000-0xfebf7fff] [ 12.446000][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 12.469377][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 12.499293][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf9000-0xfebf9fff] [ 12.537715][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe000000-0xfe003fff 64bit pref] [ 12.601311][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 12.638034][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 12.669785][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 12.688058][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 12.703445][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 12.720208][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 12.733716][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 12.748348][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebfa000-0xfebfafff] [ 12.771540][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 12.788291][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 12.816885][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 12.840531][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 12.846070][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebfb000-0xfebfbfff] [ 12.865082][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 12.886787][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 12.970187][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 12.978591][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 12.986125][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 12.995849][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 13.006803][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 13.015814][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 13.025848][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 13.037142][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 13.044529][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 13.054058][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 13.063992][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 13.073964][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 13.083917][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 13.096316][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 13.104125][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 13.114154][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 13.212686][ T1] iommu: Default domain type: Translated [ 13.226118][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 13.233559][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 13.233730][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 13.243684][ T1] vgaarb: loaded [ 13.298545][ T1] SCSI subsystem initialized [ 13.328129][ T1] ACPI: bus type USB registered [ 13.339965][ T1] usbcore: registered new interface driver usbfs [ 13.344823][ T1] usbcore: registered new interface driver hub [ 13.356689][ T1] usbcore: registered new device driver usb [ 13.373857][ T1] mc: Linux media interface: v0.10 [ 13.384112][ T1] videodev: Linux video capture interface: v2.00 [ 13.402393][ T1] pps_core: LinuxPPS API ver. 1 registered [ 13.403624][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 13.414352][ T1] PTP clock support registered [ 13.429542][ T1] EDAC MC: Ver: 3.0.0 [ 13.499212][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 13.506315][ T1] PCI: Using ACPI for IRQ routing [ 15.471133][ T1] Bluetooth: Core ver 2.22 [ 15.496721][ T1] NET: Registered protocol family 31 [ 15.503759][ T1] Bluetooth: HCI device and connection manager initialized [ 15.515135][ T1] Bluetooth: HCI socket layer initialized [ 15.524063][ T1] Bluetooth: L2CAP socket layer initialized [ 15.534777][ T1] Bluetooth: SCO socket layer initialized [ 15.544362][ T1] NET: Registered protocol family 8 [ 15.553802][ T1] NET: Registered protocol family 20 [ 15.567914][ T1] NetLabel: Initializing [ 15.573651][ T1] NetLabel: domain hash size = 128 [ 15.583657][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 15.600043][ T1] NetLabel: unlabeled traffic allowed by default [ 15.625836][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 15.647609][ T1] NET: Registered protocol family 39 [ 15.702490][ T1] ================================================================== [ 15.703559][ T1] BUG: KASAN: slab-out-of-bounds in hpet_alloc+0x442/0x490 [ 15.703559][ T1] Write of size 4 at addr ffff888078f9c1d8 by task swapper/0/1 [ 15.703559][ T1] [ 15.703559][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.5.0-syzkaller #0 [ 15.703559][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 15.703559][ T1] Call Trace: [ 15.703559][ T1] dump_stack+0x197/0x210 [ 15.703559][ T1] ? hpet_alloc+0x442/0x490 [ 15.703559][ T1] print_address_description.constprop.0.cold+0xd4/0x30b [ 15.703559][ T1] ? hpet_alloc+0x442/0x490 [ 15.703559][ T1] ? hpet_alloc+0x442/0x490 [ 15.703559][ T1] __kasan_report.cold+0x1b/0x32 [ 15.703559][ T1] ? load_builtin_intel_microcode+0xd1/0x110 [ 15.703559][ T1] ? hpet_alloc+0x442/0x490 [ 15.703559][ T1] kasan_report+0x12/0x20 [ 15.703559][ T1] __asan_report_store4_noabort+0x17/0x20 [ 15.703559][ T1] hpet_alloc+0x442/0x490 [ 15.703559][ T1] ? find_microcode_in_initrd+0x317/0x4c0 [ 15.703559][ T1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 15.703559][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 15.703559][ T1] ? hpet_setup+0xd1/0xd1 [ 15.703559][ T1] ? up_write+0x150/0x490 [ 15.703559][ T1] ? debug_smp_processor_id+0x33/0x18a [ 15.703559][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 15.703559][ T1] ? hpet_enable+0x6e2/0x6e2 [ 15.703559][ T1] hpet_late_init+0x2f4/0x38b [ 15.703559][ T1] ? do_one_initcall+0x66e/0x820 [ 15.703559][ T1] ? hpet_enable+0x6e2/0x6e2 [ 15.703559][ T1] do_one_initcall+0x120/0x820 [ 15.703559][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 15.703559][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 15.703559][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 15.703559][ T1] ? __kasan_check_read+0x11/0x20 [ 15.703559][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 15.703559][ T1] kernel_init_freeable+0x4ca/0x570 [ 15.703559][ T1] ? rest_init+0x371/0x371 [ 15.703559][ T1] kernel_init+0x12/0x1bf [ 15.703559][ T1] ret_from_fork+0x24/0x30 [ 15.703559][ T1] [ 15.703559][ T1] Allocated by task 1: [ 15.703559][ T1] save_stack+0x23/0x90 [ 15.703559][ T1] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 15.703559][ T1] kasan_kmalloc+0x9/0x10 [ 15.703559][ T1] __kmalloc+0x163/0x770 [ 15.703559][ T1] hpet_alloc+0x12b/0x490 [ 15.703559][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 15.703559][ T1] hpet_late_init+0x2f4/0x38b [ 15.703559][ T1] do_one_initcall+0x120/0x820 [ 15.703559][ T1] kernel_init_freeable+0x4ca/0x570 [ 15.703559][ T1] kernel_init+0x12/0x1bf [ 15.703559][ T1] ret_from_fork+0x24/0x30 [ 15.703559][ T1] [ 15.703559][ T1] Freed by task 0: [ 15.703559][ T1] (stack is not available) [ 15.703559][ T1] [ 15.703559][ T1] The buggy address belongs to the object at ffff888078f9c000 [ 15.703559][ T1] which belongs to the cache kmalloc-512 of size 512 [ 15.703559][ T1] The buggy address is located 472 bytes inside of [ 15.703559][ T1] 512-byte region [ffff888078f9c000, ffff888078f9c200) [ 15.703559][ T1] The buggy address belongs to the page: [ 15.703559][ T1] page:ffffea0001e3e700 refcount:1 mapcount:0 mapping:ffff88802cc00a80 index:0xffff888078f9cc00 [ 15.703559][ T1] raw: 04fffe0000000200 ffff88807a800738 ffff88807a800738 ffff88802cc00a80 [ 15.703559][ T1] raw: ffff888078f9cc00 ffff888078f9c000 0000000100000001 0000000000000000 [ 15.703559][ T1] page dumped because: kasan: bad access detected [ 15.703559][ T1] [ 15.703559][ T1] Memory state around the buggy address: [ 15.703559][ T1] ffff888078f9c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.703559][ T1] ffff888078f9c100: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc [ 15.703559][ T1] >ffff888078f9c180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.703559][ T1] ^ [ 15.703559][ T1] ffff888078f9c200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.703559][ T1] ffff888078f9c280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.944307][ T1] ================================================================== [ 16.944307][ T1] Disabling lock debugging due to kernel taint [ 17.034232][ T1] Kernel panic - not syncing: panic_on_warn set ... [ 17.043559][ T1] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G B 5.5.0-syzkaller #0 [ 17.043559][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 17.043559][ T1] Call Trace: [ 17.043559][ T1] dump_stack+0x197/0x210 [ 17.043559][ T1] panic+0x2e3/0x75c [ 17.043559][ T1] ? add_taint.cold+0x16/0x16 [ 17.043559][ T1] ? hpet_alloc+0x442/0x490 [ 17.043559][ T1] ? preempt_schedule+0x4b/0x60 [ 17.043559][ T1] ? ___preempt_schedule+0x16/0x18 [ 17.043559][ T1] ? trace_hardirqs_on+0x5e/0x240 [ 17.043559][ T1] ? hpet_alloc+0x442/0x490 [ 17.043559][ T1] end_report+0x47/0x4f [ 17.043559][ T1] ? hpet_alloc+0x442/0x490 [ 17.043559][ T1] __kasan_report.cold+0xe/0x32 [ 17.043559][ T1] ? load_builtin_intel_microcode+0xd1/0x110 [ 17.043559][ T1] ? hpet_alloc+0x442/0x490 [ 17.043559][ T1] kasan_report+0x12/0x20 [ 17.043559][ T1] __asan_report_store4_noabort+0x17/0x20 [ 17.043559][ T1] hpet_alloc+0x442/0x490 [ 17.043559][ T1] ? find_microcode_in_initrd+0x317/0x4c0 [ 17.043559][ T1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 17.043559][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 17.043559][ T1] ? hpet_setup+0xd1/0xd1 [ 17.043559][ T1] ? up_write+0x150/0x490 [ 17.043559][ T1] ? debug_smp_processor_id+0x33/0x18a [ 17.043559][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 17.043559][ T1] ? hpet_enable+0x6e2/0x6e2 [ 17.043559][ T1] hpet_late_init+0x2f4/0x38b [ 17.043559][ T1] ? do_one_initcall+0x66e/0x820 [ 17.043559][ T1] ? hpet_enable+0x6e2/0x6e2 [ 17.043559][ T1] do_one_initcall+0x120/0x820 [ 17.043559][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 17.043559][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 17.043559][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 17.043559][ T1] ? __kasan_check_read+0x11/0x20 [ 17.043559][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 17.043559][ T1] kernel_init_freeable+0x4ca/0x570 [ 17.043559][ T1] ? rest_init+0x371/0x371 [ 17.043559][ T1] kernel_init+0x12/0x1bf [ 17.043559][ T1] ret_from_fork+0x24/0x30 [ 17.043559][ T1] Rebooting in 86400 seconds..