[ 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 [ 0.000035][ T0] kvm-clock: cpu 0, msr adda001, primary cpu clock [ 0.000035][ T0] kvm-clock: using sched offset of 9707946295 cycles [ 0.013366][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.045787][ T0] tsc: Detected 2000.182 MHz processor [ 0.070363][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.082419][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.108499][ T0] found SMP MP-table at [mem 0x000f5a40-0x000f5a4f] [ 0.120939][ T0] check: Scanning 1 areas for low memory corruption [ 0.141492][ T0] ACPI: Early table checksum verification disabled [ 0.172207][ T0] ACPI: RSDP 0x00000000000F5870 000014 (v00 BOCHS ) [ 0.190295][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.205178][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.221390][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.236542][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.244195][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.259258][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.272893][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.285988][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.299922][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.313116][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.339101][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.349463][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.357563][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.365110][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.373223][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 0.380998][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 0.388844][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 0.395842][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 0.403132][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.413081][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 0.422396][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 0.431395][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 0.442717][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 0.466775][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.479280][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.496167][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.515155][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.553347][ T0] Zone ranges: [ 0.558958][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.568876][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.578118][ T0] Normal empty [ 0.583926][ T0] Device empty [ 0.588861][ T0] Movable zone start for each node [ 0.595709][ T0] Early memory node ranges [ 0.601435][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.610943][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 0.625288][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.639054][ T0] Zeroed struct page in unavailable ranges: 98 pages [ 0.639107][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 0.678479][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.860749][ T0] kasan: KernelAddressSanitizer initialized [ 0.895727][ T0] ACPI: PM-Timer IO Port: 0x608 [ 0.905920][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.920278][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.940575][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.951865][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.966914][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.985216][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.998444][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 1.010768][ T0] Using ACPI (MADT) for SMP configuration information [ 1.026447][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 1.043468][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 1.069464][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 1.084165][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 1.095208][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 1.105527][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 1.120136][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 1.128823][ T0] Booting paravirtualized kernel on KVM [ 1.138701][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.155310][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 1.176688][ T0] percpu: Embedded 66 pages/cpu s232584 r8192 d29560 u1048576 [ 1.188871][ T0] KVM setup async PF for cpu 0 [ 1.197472][ T0] kvm-stealtime: cpu 0, msr 2d022940 [ 1.208097][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 1.222682][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 1.233047][ T0] Policy zone: DMA32 [ 1.240522][ 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 [ 1.350538][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.621953][ T0] Memory: 1521820K/2096620K available (116745K kernel code, 16763K rwdata, 21088K rodata, 2780K init, 24912K bss, 574800K reserved, 0K cma-reserved) [ 1.685258][ T0] Running RCU self tests [ 1.692408][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.708110][ T0] rcu: RCU lockdep checking is enabled. [ 1.720892][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 1.736406][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 1.749688][ T0] Tasks RCU enabled. [ 1.759045][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.772594][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 1.801500][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 1.829457][ T0] random: get_random_bytes called from start_kernel+0x552/0x8e2 with crng_init=0 [ 2.040228][ T0] Console: colour VGA+ 80x25 [ 2.055486][ T0] printk: console [ttyS0] enabled [ 2.055486][ T0] printk: console [ttyS0] enabled [ 2.082285][ T0] printk: bootconsole [earlyser0] disabled [ 2.082285][ T0] printk: bootconsole [earlyser0] disabled [ 2.109799][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.128339][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.139081][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.150292][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.162153][ T0] ... CLASSHASH_SIZE: 4096 [ 2.171914][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 2.181163][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 2.188315][ T0] ... CHAINHASH_SIZE: 32768 [ 2.196131][ T0] memory used by lock dependency info: 6237 kB [ 2.204317][ T0] memory used for stack traces: 4224 kB [ 2.213217][ T0] per task-struct memory footprint: 1920 bytes [ 2.224323][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.254691][ T0] ACPI: Core revision 20200110 [ 2.270903][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 2.312923][ T0] APIC: Switch to symmetric I/O mode setup [ 2.328145][ T0] x2apic enabled [ 2.338123][ T0] Switched APIC routing to physical x2apic. [ 2.348913][ T0] KVM setup pv IPIs [ 2.391706][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 2.407022][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4da2e704, max_idle_ns: 440795303197 ns [ 2.432065][ T0] Calibrating delay loop (skipped) preset value.. 4000.36 BogoMIPS (lpj=20001820) [ 2.452822][ T0] pid_max: default: 32768 minimum: 301 [ 2.464853][ T0] LSM: Security Framework initializing [ 2.471989][ T0] LSM: security= is ignored because it is superseded by lsm= [ 2.482493][ T0] Yama: becoming mindful. [ 2.493605][ T0] SELinux: Initializing. [ 2.503431][ T0] *** VALIDATE SELinux *** [ 2.511058][ T0] TOMOYO Linux initialized [ 2.514782][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 2.532691][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 2.542049][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 2.551771][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 2.573076][ T0] *** VALIDATE tmpfs *** [ 2.594816][ T0] *** VALIDATE proc *** [ 2.608453][ T0] *** VALIDATE cgroup1 *** [ 2.612258][ T0] *** VALIDATE cgroup2 *** [ 2.627873][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 2.642380][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 2.651720][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 2.662961][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.671978][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 2.672285][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.692391][ T0] TAA: Mitigation: Clear CPU buffers [ 2.701724][ T0] MDS: Mitigation: Clear CPU buffers [ 2.768508][ T0] Freeing SMP alternatives memory: 96K [ 2.896941][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 2.972476][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 2.986417][ T1] rcu: Hierarchical SRCU implementation. [ 3.017032][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 3.051851][ T1] smp: Bringing up secondary CPUs ... [ 3.136446][ T1] x86: Booting SMP configuration: [ 3.141833][ T1] .... node #0, CPUs: #1 [ 0.549705][ T0] kvm-clock: cpu 1, msr adda041, secondary cpu clock [ 3.163056][ T15] KVM setup async PF for cpu 1 [ 3.168429][ T15] kvm-stealtime: cpu 1, msr 2d122940 [ 3.172642][ 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. [ 3.182062][ 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. [ 3.276351][ T1] #2 [ 0.549705][ T0] kvm-clock: cpu 2, msr adda081, secondary cpu clock [ 3.292025][ T20] KVM setup async PF for cpu 2 [ 3.297359][ T20] kvm-stealtime: cpu 2, msr 2d222940 [ 3.385447][ T1] #3 [ 0.549705][ T0] kvm-clock: cpu 3, msr adda0c1, secondary cpu clock [ 3.407776][ T25] KVM setup async PF for cpu 3 [ 3.408893][ T25] kvm-stealtime: cpu 3, msr 2d322940 [ 3.422077][ T1] smp: Brought up 2 nodes, 4 CPUs [ 3.427945][ T1] smpboot: Max logical packages: 2 [ 3.431790][ T1] smpboot: Total of 4 processors activated (16001.45 BogoMIPS) [ 3.456046][ T1] devtmpfs: initialized [ 3.466134][ T1] x86/mm: Memory block size: 128MB [ 3.522913][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 3.519808][ T33] kworker/u17:0 (33) used greatest stack depth: 27192 bytes left [ 3.532420][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 3.558955][ T1] xor: automatically using best checksumming function avx [ 3.572511][ T1] PM: RTC time: 18:26:20, date: 2020-01-30 [ 3.582222][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.582227][ T1] thermal_sys: Registered thermal governor 'user_space' [ 3.607767][ T1] NET: Registered protocol family 16 [ 3.631199][ T1] audit: initializing netlink subsys (disabled) [ 3.634890][ T39] audit: type=2000 audit(1580408780.651:1): state=initialized audit_enabled=0 res=1 [ 3.667264][ T1] cpuidle: using governor menu [ 3.680133][ T1] KVM setup pv remote TLB flush [ 3.682129][ T1] ACPI: bus type PCI registered [ 3.697618][ T1] dca service started, version 1.12.1 [ 3.704870][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 3.712725][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 3.779566][ T1] PCI: Using configuration type 1 for base access [ 3.817075][ T169] kworker/u17:2 (169) used greatest stack depth: 27016 bytes left [ 4.049046][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 4.235814][ T1] cryptd: max_cpu_qlen set to 1000 [ 4.608827][ T1] raid6: avx512x4 gen() 13904 MB/s [ 4.782763][ T1] raid6: avx512x4 xor() 5143 MB/s [ 4.969399][ T1] raid6: avx512x2 gen() 10997 MB/s [ 5.161840][ T1] raid6: avx512x2 xor() 5028 MB/s [ 5.348741][ T1] raid6: avx512x1 gen() 6573 MB/s [ 5.522303][ T1] raid6: avx512x1 xor() 2842 MB/s [ 5.703954][ T1] raid6: avx2x4 gen() 7491 MB/s [ 5.890767][ T1] raid6: avx2x4 xor() 4432 MB/s [ 6.071836][ T1] raid6: avx2x2 gen() 6304 MB/s [ 6.250344][ T1] raid6: avx2x2 xor() 2599 MB/s [ 6.421736][ T1] raid6: avx2x1 gen() 3535 MB/s [ 6.582327][ T1] raid6: avx2x1 xor() 1638 MB/s [ 6.752854][ T1] raid6: sse2x4 gen() 4941 MB/s [ 6.923704][ T1] raid6: sse2x4 xor() 2718 MB/s [ 7.094444][ T1] raid6: sse2x2 gen() 3618 MB/s [ 7.264908][ T1] raid6: sse2x2 xor() 1576 MB/s [ 7.441729][ T1] raid6: sse2x1 gen() 2151 MB/s [ 7.602975][ T1] raid6: sse2x1 xor() 711 MB/s [ 7.621819][ T1] raid6: using algorithm avx512x4 gen() 13904 MB/s [ 7.641863][ T1] raid6: .... xor() 5143 MB/s, rmw enabled [ 7.651914][ T1] raid6: using avx512x2 recovery algorithm [ 7.663904][ T1] ACPI: Added _OSI(Module Device) [ 7.670069][ T1] ACPI: Added _OSI(Processor Device) [ 7.681759][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 7.688204][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 7.691781][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 7.699845][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 7.711765][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 7.776505][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 7.832172][ T1] ACPI: Interpreter enabled [ 7.840204][ T1] ACPI: (supports S0 S3 S4 S5) [ 7.851827][ T1] ACPI: Using IOAPIC for interrupt routing [ 7.864079][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 7.900324][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 8.066819][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 8.092793][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 8.121261][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 8.134479][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 8.157522][ T1] PCI host bridge to bus 0000:00 [ 8.171780][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 8.181985][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 8.191779][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 8.201839][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 8.211894][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 8.231838][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 8.251822][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 8.271813][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 8.283943][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 8.314224][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 [ 8.361705][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref] [ 8.508393][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref] [ 8.571705][ T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff] [ 8.650765][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 8.838448][ T1] pci 0000:00:02.0: [8086:100e] type 00 class 0x020000 [ 8.884212][ T1] pci 0000:00:02.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 8.905594][ T1] pci 0000:00:02.0: reg 0x14: [io 0xc600-0xc63f] [ 8.950662][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 9.001741][ T1] pci 0000:00:03.0: [1af4:1000] type 00 class 0x020000 [ 9.031804][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc680-0xc69f] [ 9.067195][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 9.128389][ T1] pci 0000:00:03.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref] [ 9.166775][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] [ 9.223182][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 9.258146][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 9.303994][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 9.338482][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 9.365674][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 9.416498][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 9.434615][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf0000-0xfebf3fff] [ 9.472132][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 9.488693][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 9.505021][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 9.528764][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref] [ 9.558034][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 9.569488][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 9.587187][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 9.599718][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 9.621819][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 9.638263][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 9.651941][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 9.663633][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf7000-0xfebf7fff] [ 9.681766][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 9.702815][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 9.724275][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x70 took 19531 usecs [ 9.749148][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 9.777520][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 9.794034][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf8000-0xfebf8fff] [ 9.821797][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 9.844666][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 9.923922][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 9.944620][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 9.953844][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 9.973936][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 9.983821][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 9.993631][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 10.003596][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 10.013677][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 10.022367][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 10.032025][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 10.052020][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 10.060799][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 10.072249][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 10.082059][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 10.092012][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 10.102073][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 10.216966][ T1] iommu: Default domain type: Translated [ 10.285919][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 10.291705][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 10.341914][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 10.361912][ T1] vgaarb: loaded [ 10.418670][ T1] SCSI subsystem initialized [ 10.436716][ T1] ACPI: bus type USB registered [ 10.443138][ T1] usbcore: registered new interface driver usbfs [ 10.452705][ T1] usbcore: registered new interface driver hub [ 10.473232][ T1] usbcore: registered new device driver usb [ 10.492021][ T1] mc: Linux media interface: v0.10 [ 10.504062][ T1] videodev: Linux video capture interface: v2.00 [ 10.525271][ T1] pps_core: LinuxPPS API ver. 1 registered [ 10.541840][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 10.561970][ T1] PTP clock support registered [ 10.586756][ T1] EDAC MC: Ver: 3.0.0 [ 10.642412][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 10.661783][ T1] PCI: Using ACPI for IRQ routing [ 11.961706][ T1] Bluetooth: Core ver 2.22 [ 11.973498][ T1] NET: Registered protocol family 31 [ 11.981835][ T1] Bluetooth: HCI device and connection manager initialized [ 11.992182][ T1] Bluetooth: HCI socket layer initialized [ 12.000342][ T1] Bluetooth: L2CAP socket layer initialized [ 12.002000][ T1] Bluetooth: SCO socket layer initialized [ 12.012127][ T1] NET: Registered protocol family 8 [ 12.021472][ T1] NET: Registered protocol family 20 [ 12.035126][ T1] NetLabel: Initializing [ 12.051932][ T1] NetLabel: domain hash size = 128 [ 12.061759][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 12.074347][ T1] NetLabel: unlabeled traffic allowed by default [ 12.096690][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 12.103148][ T1] NET: Registered protocol family 39 [ 12.125373][ T1] ================================================================== [ 12.131705][ T1] BUG: KASAN: slab-out-of-bounds in hpet_alloc+0x442/0x490 [ 12.131705][ T1] Write of size 4 at addr ffff8880272345d8 by task swapper/0/1 [ 12.131705][ T1] [ 12.131705][ T1] CPU: 3 PID: 1 Comm: swapper/0 Not tainted 5.5.0-syzkaller #0 [ 12.131705][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 12.131705][ T1] Call Trace: [ 12.131705][ T1] dump_stack+0x197/0x210 [ 12.131705][ T1] ? hpet_alloc+0x442/0x490 [ 12.131705][ T1] print_address_description.constprop.0.cold+0xd4/0x30b [ 12.131705][ T1] ? hpet_alloc+0x442/0x490 [ 12.131705][ T1] ? hpet_alloc+0x442/0x490 [ 12.131705][ T1] __kasan_report.cold+0x1b/0x32 [ 12.131705][ T1] ? microcode_sanity_check+0x6a1/0x6b0 [ 12.131705][ T1] ? hpet_alloc+0x442/0x490 [ 12.131705][ T1] kasan_report+0x12/0x20 [ 12.131705][ T1] __asan_report_store4_noabort+0x17/0x20 [ 12.131705][ T1] hpet_alloc+0x442/0x490 [ 12.131705][ T1] ? find_microcode_in_initrd+0x317/0x4c0 [ 12.131705][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 12.131705][ T1] ? hpet_setup+0xd1/0xd1 [ 12.131705][ T1] ? up_write+0x150/0x490 [ 12.131705][ T1] ? debug_smp_processor_id+0x33/0x18a [ 12.131705][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 12.131705][ T1] ? hpet_enable+0x6e2/0x6e2 [ 12.131705][ T1] hpet_late_init+0x2f4/0x38b [ 12.131705][ T1] ? do_one_initcall+0x66e/0x820 [ 12.131705][ T1] ? hpet_enable+0x6e2/0x6e2 [ 12.131705][ T1] do_one_initcall+0x120/0x820 [ 12.131705][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 12.131705][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 12.131705][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 12.131705][ T1] ? __kasan_check_read+0x11/0x20 [ 12.131705][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 12.131705][ T1] kernel_init_freeable+0x4ca/0x570 [ 12.131705][ T1] ? rest_init+0x371/0x371 [ 12.131705][ T1] kernel_init+0x12/0x1bf [ 12.131705][ T1] ret_from_fork+0x24/0x30 [ 12.131705][ T1] [ 12.131705][ T1] Allocated by task 1: [ 12.131705][ T1] save_stack+0x23/0x90 [ 12.131705][ T1] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 12.131705][ T1] kasan_kmalloc+0x9/0x10 [ 12.131705][ T1] __kmalloc+0x163/0x770 [ 12.131705][ T1] hpet_alloc+0x12b/0x490 [ 12.131705][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 12.131705][ T1] hpet_late_init+0x2f4/0x38b [ 12.131705][ T1] do_one_initcall+0x120/0x820 [ 12.131705][ T1] kernel_init_freeable+0x4ca/0x570 [ 12.131705][ T1] kernel_init+0x12/0x1bf [ 12.131705][ T1] ret_from_fork+0x24/0x30 [ 12.131705][ T1] [ 12.131705][ T1] Freed by task 0: [ 12.131705][ T1] (stack is not available) [ 12.131705][ T1] [ 12.131705][ T1] The buggy address belongs to the object at ffff888027234400 [ 12.131705][ T1] which belongs to the cache kmalloc-512 of size 512 [ 12.131705][ T1] The buggy address is located 472 bytes inside of [ 12.131705][ T1] 512-byte region [ffff888027234400, ffff888027234600) [ 12.131705][ T1] The buggy address belongs to the page: [ 12.131705][ T1] page:ffffea00009c8d00 refcount:1 mapcount:0 mapping:ffff88802cc00a80 index:0x0 [ 12.131705][ T1] raw: 00fffe0000000200 ffffea00009ce108 ffff88802cc01748 ffff88802cc00a80 [ 12.131705][ T1] raw: 0000000000000000 ffff888027234000 0000000100000004 0000000000000000 [ 12.131705][ T1] page dumped because: kasan: bad access detected [ 12.131705][ T1] [ 12.131705][ T1] Memory state around the buggy address: [ 12.131705][ T1] ffff888027234480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.131705][ T1] ffff888027234500: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc [ 12.131705][ T1] >ffff888027234580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.131705][ T1] ^ [ 12.131705][ T1] ffff888027234600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.131705][ T1] ffff888027234680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.131705][ T1] ================================================================== [ 12.131705][ T1] Disabling lock debugging due to kernel taint [ 12.761905][ T1] Kernel panic - not syncing: panic_on_warn set ... [ 12.770291][ T1] CPU: 3 PID: 1 Comm: swapper/0 Tainted: G B 5.5.0-syzkaller #0 [ 12.771705][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 12.771705][ T1] Call Trace: [ 12.771705][ T1] dump_stack+0x197/0x210 [ 12.771705][ T1] panic+0x2e3/0x75c [ 12.771705][ T1] ? add_taint.cold+0x16/0x16 [ 12.771705][ T1] ? hpet_alloc+0x442/0x490 [ 12.771705][ T1] ? preempt_schedule+0x4b/0x60 [ 12.771705][ T1] ? ___preempt_schedule+0x16/0x18 [ 12.771705][ T1] ? trace_hardirqs_on+0x5e/0x240 [ 12.771705][ T1] ? hpet_alloc+0x442/0x490 [ 12.771705][ T1] end_report+0x47/0x4f [ 12.771705][ T1] ? hpet_alloc+0x442/0x490 [ 12.771705][ T1] __kasan_report.cold+0xe/0x32 [ 12.771705][ T1] ? microcode_sanity_check+0x6a1/0x6b0 [ 12.771705][ T1] ? hpet_alloc+0x442/0x490 [ 12.771705][ T1] kasan_report+0x12/0x20 [ 12.771705][ T1] __asan_report_store4_noabort+0x17/0x20 [ 12.771705][ T1] hpet_alloc+0x442/0x490 [ 12.771705][ T1] ? find_microcode_in_initrd+0x317/0x4c0 [ 12.771705][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 12.771705][ T1] ? hpet_setup+0xd1/0xd1 [ 12.771705][ T1] ? up_write+0x150/0x490 [ 12.771705][ T1] ? debug_smp_processor_id+0x33/0x18a [ 12.771705][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 12.771705][ T1] ? hpet_enable+0x6e2/0x6e2 [ 12.771705][ T1] hpet_late_init+0x2f4/0x38b [ 12.771705][ T1] ? do_one_initcall+0x66e/0x820 [ 13.001839][ T1] ? hpet_enable+0x6e2/0x6e2 [ 13.001839][ T1] do_one_initcall+0x120/0x820 [ 13.001839][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 13.001839][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 13.001839][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 13.001839][ T1] ? __kasan_check_read+0x11/0x20 [ 13.001839][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 13.001839][ T1] kernel_init_freeable+0x4ca/0x570 [ 13.001839][ T1] ? rest_init+0x371/0x371 [ 13.001839][ T1] kernel_init+0x12/0x1bf [ 13.001839][ T1] ret_from_fork+0x24/0x30 [ 13.001839][ T1] Rebooting in 86400 seconds..