[ 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 [ 0.000018][ T0] kvm-clock: cpu 0, msr addc001, primary cpu clock [ 0.000018][ T0] kvm-clock: using sched offset of 7638869141 cycles [ 0.008302][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.033647][ T0] tsc: Detected 2000.182 MHz processor [ 0.056310][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.067003][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.090994][ T0] found SMP MP-table at [mem 0x000f5a40-0x000f5a4f] [ 0.100926][ T0] check: Scanning 1 areas for low memory corruption [ 0.114736][ T0] ACPI: Early table checksum verification disabled [ 0.124493][ T0] ACPI: RSDP 0x00000000000F5870 000014 (v00 BOCHS ) [ 0.133092][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.146127][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.158973][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.172183][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.178985][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.191034][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.203240][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.215581][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.227236][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.238554][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.252994][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.259444][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.266651][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.272957][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.279817][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 0.286154][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 0.293008][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 0.299205][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 0.306579][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.314582][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 0.323077][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 0.331310][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 0.340990][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 0.357985][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.368520][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.380776][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.390082][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.410687][ T0] Zone ranges: [ 0.415015][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.423739][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.432940][ T0] Normal empty [ 0.437426][ T0] Device empty [ 0.441828][ T0] Movable zone start for each node [ 0.448560][ T0] Early memory node ranges [ 0.453957][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.463572][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 0.476804][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.488748][ T0] Zeroed struct page in unavailable ranges: 98 pages [ 0.488776][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 0.523168][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.674381][ T0] kasan: KernelAddressSanitizer initialized [ 0.713377][ T0] ACPI: PM-Timer IO Port: 0x608 [ 0.724292][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.736148][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.748372][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.763626][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.774659][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.786077][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.801361][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.812915][ T0] Using ACPI (MADT) for SMP configuration information [ 0.822959][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.835300][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 0.851911][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.865802][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.879909][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.892269][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.908718][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 0.921128][ T0] Booting paravirtualized kernel on KVM [ 0.930551][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.948399][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 0.973039][ T0] percpu: Embedded 66 pages/cpu s232584 r8192 d29560 u1048576 [ 0.984322][ T0] KVM setup async PF for cpu 0 [ 0.992774][ T0] kvm-stealtime: cpu 0, msr 2d022940 [ 1.000390][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 1.013864][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 1.025747][ T0] Policy zone: DMA32 [ 1.030591][ 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 [ 1.154035][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 1.414829][ T0] Memory: 1521820K/2096620K available (116745K kernel code, 16772K rwdata, 21096K rodata, 2780K init, 24904K bss, 574800K reserved, 0K cma-reserved) [ 1.457912][ T0] Running RCU self tests [ 1.464187][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.478356][ T0] rcu: RCU lockdep checking is enabled. [ 1.489136][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 1.500972][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 1.512028][ T0] Tasks RCU enabled. [ 1.517155][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.528231][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 1.559070][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 1.591813][ T0] random: get_random_bytes called from start_kernel+0x552/0x8e2 with crng_init=0 [ 1.849408][ T0] Console: colour VGA+ 80x25 [ 1.866924][ T0] printk: console [ttyS0] enabled [ 1.866924][ T0] printk: console [ttyS0] enabled [ 1.892644][ T0] printk: bootconsole [earlyser0] disabled [ 1.892644][ T0] printk: bootconsole [earlyser0] disabled [ 1.935970][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.964814][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.975305][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.992350][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.007179][ T0] ... CLASSHASH_SIZE: 4096 [ 2.023735][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 2.040340][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 2.052374][ T0] ... CHAINHASH_SIZE: 32768 [ 2.061235][ T0] memory used by lock dependency info: 6237 kB [ 2.070710][ T0] memory used for stack traces: 4224 kB [ 2.080192][ T0] per task-struct memory footprint: 1920 bytes [ 2.090614][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.109635][ T0] ACPI: Core revision 20200110 [ 2.123111][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 2.147330][ T0] APIC: Switch to symmetric I/O mode setup [ 2.161382][ T0] x2apic enabled [ 2.174704][ T0] Switched APIC routing to physical x2apic. [ 2.192291][ T0] KVM setup pv IPIs [ 2.241012][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 2.254454][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4da2e704, max_idle_ns: 440795303197 ns [ 2.281918][ T0] Calibrating delay loop (skipped) preset value.. 4000.36 BogoMIPS (lpj=20001820) [ 2.292279][ T0] pid_max: default: 32768 minimum: 301 [ 2.303656][ T0] LSM: Security Framework initializing [ 2.311672][ T0] LSM: security= is ignored because it is superseded by lsm= [ 2.321962][ T0] Yama: becoming mindful. [ 2.333169][ T0] SELinux: Initializing. [ 2.341648][ T0] *** VALIDATE SELinux *** [ 2.349783][ T0] TOMOYO Linux initialized [ 2.355113][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 2.362891][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 2.371985][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 2.381520][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 2.394432][ T0] *** VALIDATE tmpfs *** [ 2.415684][ T0] *** VALIDATE proc *** [ 2.433234][ T0] *** VALIDATE cgroup1 *** [ 2.441530][ T0] *** VALIDATE cgroup2 *** [ 2.455899][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 2.472937][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 2.480695][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 2.491683][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.501726][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 2.501985][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.521839][ T0] TAA: Mitigation: Clear CPU buffers [ 2.529022][ T0] MDS: Mitigation: Clear CPU buffers [ 2.578416][ T0] Freeing SMP alternatives memory: 96K [ 2.686426][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 2.774094][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 2.791064][ T1] rcu: Hierarchical SRCU implementation. [ 2.829704][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.873320][ T1] smp: Bringing up secondary CPUs ... [ 2.968549][ T1] x86: Booting SMP configuration: [ 2.971862][ T1] .... node #0, CPUs: #1 [ 0.627331][ T0] kvm-clock: cpu 1, msr addc041, secondary cpu clock [ 3.014106][ T15] KVM setup async PF for cpu 1 [ 3.021455][ T15] kvm-stealtime: cpu 1, msr 2d122940 [ 3.032591][ 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. [ 3.042227][ 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. [ 3.136427][ T1] #2 [ 0.627331][ T0] kvm-clock: cpu 2, msr addc081, secondary cpu clock [ 3.154987][ T20] KVM setup async PF for cpu 2 [ 3.161383][ T20] kvm-stealtime: cpu 2, msr 2d222940 [ 3.256128][ T1] #3 [ 0.627331][ T0] kvm-clock: cpu 3, msr addc0c1, secondary cpu clock [ 3.294700][ T25] KVM setup async PF for cpu 3 [ 3.301455][ T25] kvm-stealtime: cpu 3, msr 2d322940 [ 3.312069][ T1] smp: Brought up 2 nodes, 4 CPUs [ 3.321611][ T1] smpboot: Max logical packages: 2 [ 3.331553][ T1] smpboot: Total of 4 processors activated (16001.45 BogoMIPS) [ 3.369916][ T1] devtmpfs: initialized [ 3.386448][ T1] x86/mm: Memory block size: 128MB [ 3.451930][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 3.474485][ T35] kworker/u17:0 (35) used greatest stack depth: 27536 bytes left [ 3.472825][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 3.509057][ T1] xor: automatically using best checksumming function avx [ 3.531074][ T1] PM: RTC time: 18:38:59, date: 2020-01-31 [ 3.543270][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.543290][ T1] thermal_sys: Registered thermal governor 'user_space' [ 3.578867][ T1] NET: Registered protocol family 16 [ 3.612165][ T1] audit: initializing netlink subsys (disabled) [ 3.646203][ T38] audit: type=2000 audit(1580495939.559:1): state=initialized audit_enabled=0 res=1 [ 3.646203][ T51] kworker/u17:1 (51) used greatest stack depth: 27440 bytes left [ 3.681560][ T1] cpuidle: using governor menu [ 3.698084][ T1] KVM setup pv remote TLB flush [ 3.702315][ T1] ACPI: bus type PCI registered [ 3.721923][ T1] dca service started, version 1.12.1 [ 3.736267][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 3.762178][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 3.821995][ T1] PCI: Using configuration type 1 for base access [ 3.953882][ T616] kworker/u17:4 (616) used greatest stack depth: 26808 bytes left [ 4.066903][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 4.212713][ T1] cryptd: max_cpu_qlen set to 1000 [ 4.498123][ T1] raid6: avx512x4 gen() 13664 MB/s [ 4.662812][ T1] raid6: avx512x4 xor() 6243 MB/s [ 4.846494][ T1] raid6: avx512x2 gen() 10968 MB/s [ 5.026908][ T1] raid6: avx512x2 xor() 5378 MB/s [ 5.196379][ T1] raid6: avx512x1 gen() 7268 MB/s [ 5.381604][ T1] raid6: avx512x1 xor() 2870 MB/s [ 5.551537][ T1] raid6: avx2x4 gen() 7523 MB/s [ 5.721514][ T1] raid6: avx2x4 xor() 4449 MB/s [ 5.891507][ T1] raid6: avx2x2 gen() 7063 MB/s [ 6.061536][ T1] raid6: avx2x2 xor() 3147 MB/s [ 6.231505][ T1] raid6: avx2x1 gen() 4233 MB/s [ 6.401526][ T1] raid6: avx2x1 xor() 1581 MB/s [ 6.563488][ T1] raid6: sse2x4 gen() 3931 MB/s [ 6.733932][ T1] raid6: sse2x4 xor() 2316 MB/s [ 6.923746][ T1] raid6: sse2x2 gen() 3035 MB/s [ 7.104652][ T1] raid6: sse2x2 xor() 1291 MB/s [ 7.282012][ T1] raid6: sse2x1 gen() 2013 MB/s [ 7.442441][ T1] raid6: sse2x1 xor() 704 MB/s [ 7.461592][ T1] raid6: using algorithm avx512x4 gen() 13664 MB/s [ 7.469570][ T1] raid6: .... xor() 6243 MB/s, rmw enabled [ 7.481621][ T1] raid6: using avx512x2 recovery algorithm [ 7.532188][ T1] ACPI: Added _OSI(Module Device) [ 7.563486][ T1] ACPI: Added _OSI(Processor Device) [ 7.571852][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 7.581583][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 7.602156][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 7.610861][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 7.611521][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 7.687608][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 7.798677][ T1] ACPI: Interpreter enabled [ 7.808046][ T1] ACPI: (supports S0 S3 S4 S5) [ 7.822178][ T1] ACPI: Using IOAPIC for interrupt routing [ 7.837449][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 7.868034][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 8.041444][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 8.052842][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 8.065755][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 8.074379][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 8.085766][ T1] PCI host bridge to bus 0000:00 [ 8.091535][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 8.101202][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 8.101533][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 8.111585][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 8.121546][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 8.131522][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 8.141525][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 8.151760][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 8.161126][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 8.179152][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 [ 8.220481][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref] [ 8.351455][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref] [ 8.470764][ T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff] [ 8.601455][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 8.881455][ T1] pci 0000:00:02.0: [8086:100e] type 00 class 0x020000 [ 8.923025][ T1] pci 0000:00:02.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 8.956800][ T1] pci 0000:00:02.0: reg 0x14: [io 0xc600-0xc63f] [ 8.999923][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 9.041690][ T1] pci 0000:00:03.0: [1af4:1000] type 00 class 0x020000 [ 9.068112][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc680-0xc69f] [ 9.083713][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 9.098756][ T1] pci 0000:00:03.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref] [ 9.124268][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] [ 9.143067][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 9.153320][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 9.186744][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 9.205753][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 9.223561][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 9.274042][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 9.284105][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf0000-0xfebf3fff] [ 9.308464][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 9.315147][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 9.324992][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 9.341552][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref] [ 9.365605][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 9.382027][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 9.396416][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 9.407629][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 9.416535][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 9.429323][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 9.445987][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 9.457842][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf7000-0xfebf7fff] [ 9.482752][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 9.505420][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 9.516511][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 9.532789][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 9.542406][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf8000-0xfebf8fff] [ 9.559103][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 9.569659][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 9.619156][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 9.624169][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 9.633415][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 9.643484][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 9.653748][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 9.667983][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 9.673807][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 9.683427][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 9.691910][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 9.699000][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 9.701762][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 9.711867][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 9.721863][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 9.731368][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 9.731984][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 9.741886][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 9.826064][ T1] iommu: Default domain type: Translated [ 9.842899][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 9.851455][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 9.851592][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 9.861675][ T1] vgaarb: loaded [ 9.911455][ T1] SCSI subsystem initialized [ 9.922987][ T1] ACPI: bus type USB registered [ 9.935857][ T1] usbcore: registered new interface driver usbfs [ 9.942570][ T1] usbcore: registered new interface driver hub [ 9.953085][ T1] usbcore: registered new device driver usb [ 9.966700][ T1] mc: Linux media interface: v0.10 [ 9.972323][ T1] videodev: Linux video capture interface: v2.00 [ 9.988708][ T1] pps_core: LinuxPPS API ver. 1 registered [ 9.991552][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 10.001706][ T1] PTP clock support registered [ 10.014188][ T1] EDAC MC: Ver: 3.0.0 [ 10.092997][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 10.104197][ T1] PCI: Using ACPI for IRQ routing [ 11.468931][ T1] Bluetooth: Core ver 2.22 [ 11.476692][ T1] NET: Registered protocol family 31 [ 11.481544][ T1] Bluetooth: HCI device and connection manager initialized [ 11.491977][ T1] Bluetooth: HCI socket layer initialized [ 11.499764][ T1] Bluetooth: L2CAP socket layer initialized [ 11.503503][ T1] Bluetooth: SCO socket layer initialized [ 11.512176][ T1] NET: Registered protocol family 8 [ 11.521698][ T1] NET: Registered protocol family 20 [ 11.538713][ T1] NetLabel: Initializing [ 11.541668][ T1] NetLabel: domain hash size = 128 [ 11.551631][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 11.568488][ T1] NetLabel: unlabeled traffic allowed by default [ 11.603198][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 11.625428][ T1] NET: Registered protocol family 39 [ 11.669895][ T1] ================================================================== [ 11.671455][ T1] BUG: KASAN: slab-out-of-bounds in hpet_alloc+0x442/0x490 [ 11.671455][ T1] Write of size 4 at addr ffff888027a90dd8 by task swapper/0/1 [ 11.671455][ T1] [ 11.671455][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.5.0-syzkaller #0 [ 11.671455][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 11.671455][ T1] Call Trace: [ 11.671455][ T1] dump_stack+0x197/0x210 [ 11.671455][ T1] ? hpet_alloc+0x442/0x490 [ 11.671455][ T1] print_address_description.constprop.0.cold+0xd4/0x30b [ 11.671455][ T1] ? hpet_alloc+0x442/0x490 [ 11.671455][ T1] ? hpet_alloc+0x442/0x490 [ 11.671455][ T1] __kasan_report.cold+0x1b/0x32 [ 11.671455][ T1] ? hpet_alloc+0x442/0x490 [ 11.671455][ T1] kasan_report+0x12/0x20 [ 11.671455][ T1] __asan_report_store4_noabort+0x17/0x20 [ 11.671455][ T1] hpet_alloc+0x442/0x490 [ 11.671455][ T1] ? find_microcode_in_initrd+0x317/0x4c0 [ 11.671455][ T1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 11.671455][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 11.671455][ T1] ? hpet_setup+0xd1/0xd1 [ 11.671455][ T1] ? up_write+0x150/0x490 [ 11.671455][ T1] ? debug_smp_processor_id+0x33/0x18a [ 11.671455][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 11.671455][ T1] ? hpet_enable+0x6e2/0x6e2 [ 11.671455][ T1] hpet_late_init+0x2f4/0x38b [ 11.671455][ T1] ? do_one_initcall+0x66e/0x820 [ 11.671455][ T1] ? hpet_enable+0x6e2/0x6e2 [ 11.671455][ T1] do_one_initcall+0x120/0x820 [ 11.671455][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 11.671455][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 11.671455][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 11.671455][ T1] ? __kasan_check_read+0x11/0x20 [ 11.671455][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 11.671455][ T1] kernel_init_freeable+0x4ca/0x570 [ 11.671455][ T1] ? rest_init+0x371/0x371 [ 12.202462][ T1] kernel_init+0x12/0x1bf [ 12.202462][ T1] ret_from_fork+0x24/0x30 [ 12.202462][ T1] [ 12.202462][ T1] Allocated by task 1: [ 12.202462][ T1] save_stack+0x23/0x90 [ 12.202462][ T1] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 12.282085][ T1] kasan_kmalloc+0x9/0x10 [ 12.291547][ T1] __kmalloc+0x163/0x770 [ 12.291547][ T1] hpet_alloc+0x12b/0x490 [ 12.301510][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 12.311622][ T1] hpet_late_init+0x2f4/0x38b [ 12.321579][ T1] do_one_initcall+0x120/0x820 [ 12.331874][ T1] kernel_init_freeable+0x4ca/0x570 [ 12.351643][ T1] kernel_init+0x12/0x1bf [ 12.371716][ T1] ret_from_fork+0x24/0x30 [ 12.381578][ T1] [ 12.391567][ T1] Freed by task 0: [ 12.401639][ T1] (stack is not available) [ 12.411571][ T1] [ 12.421514][ T1] The buggy address belongs to the object at ffff888027a90c00 [ 12.421514][ T1] which belongs to the cache kmalloc-512 of size 512 [ 12.441500][ T1] The buggy address is located 472 bytes inside of [ 12.441500][ T1] 512-byte region [ffff888027a90c00, ffff888027a90e00) [ 12.451507][ T1] The buggy address belongs to the page: [ 12.461500][ T1] page:ffffea00009ea400 refcount:1 mapcount:0 mapping:ffff88802cc00a80 index:0x0 [ 12.481563][ T1] raw: 00fffe0000000200 ffffea00009ea348 ffff88802cc01748 ffff88802cc00a80 [ 12.491584][ T1] raw: 0000000000000000 ffff888027a90000 0000000100000004 0000000000000000 [ 12.501609][ T1] page dumped because: kasan: bad access detected [ 12.511552][ T1] [ 12.511552][ T1] Memory state around the buggy address: [ 12.521512][ T1] ffff888027a90c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.531597][ T1] ffff888027a90d00: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc [ 12.551564][ T1] >ffff888027a90d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.571682][ T1] ^ [ 12.581623][ T1] ffff888027a90e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.591473][ T1] ffff888027a90e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.601501][ T1] ================================================================== [ 12.611501][ T1] Disabling lock debugging due to kernel taint [ 12.621638][ T1] Kernel panic - not syncing: panic_on_warn set ... [ 12.631455][ T1] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G B 5.5.0-syzkaller #0 [ 12.631455][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 12.631455][ T1] Call Trace: [ 12.631455][ T1] dump_stack+0x197/0x210 [ 12.631455][ T1] panic+0x2e3/0x75c [ 12.631455][ T1] ? add_taint.cold+0x16/0x16 [ 12.631455][ T1] ? hpet_alloc+0x442/0x490 [ 12.631455][ T1] ? preempt_schedule+0x4b/0x60 [ 12.631455][ T1] ? ___preempt_schedule+0x16/0x18 [ 12.631455][ T1] ? trace_hardirqs_on+0x5e/0x240 [ 12.631455][ T1] ? hpet_alloc+0x442/0x490 [ 12.631455][ T1] end_report+0x47/0x4f [ 12.631455][ T1] ? hpet_alloc+0x442/0x490 [ 12.631455][ T1] __kasan_report.cold+0xe/0x32 [ 12.631455][ T1] ? hpet_alloc+0x442/0x490 [ 12.631455][ T1] kasan_report+0x12/0x20 [ 12.631455][ T1] __asan_report_store4_noabort+0x17/0x20 [ 12.631455][ T1] hpet_alloc+0x442/0x490 [ 12.631455][ T1] ? find_microcode_in_initrd+0x317/0x4c0 [ 12.631455][ T1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 12.631455][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 12.631455][ T1] ? hpet_setup+0xd1/0xd1 [ 12.631455][ T1] ? up_write+0x150/0x490 [ 12.631455][ T1] ? debug_smp_processor_id+0x33/0x18a [ 12.631455][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 12.631455][ T1] ? hpet_enable+0x6e2/0x6e2 [ 12.631455][ T1] hpet_late_init+0x2f4/0x38b [ 12.631455][ T1] ? do_one_initcall+0x66e/0x820 [ 12.631455][ T1] ? hpet_enable+0x6e2/0x6e2 [ 12.631455][ T1] do_one_initcall+0x120/0x820 [ 12.631455][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 12.631455][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 12.631455][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 12.631455][ T1] ? __kasan_check_read+0x11/0x20 [ 12.631455][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 12.631455][ T1] kernel_init_freeable+0x4ca/0x570 [ 12.631455][ T1] ? rest_init+0x371/0x371 [ 12.631455][ T1] kernel_init+0x12/0x1bf [ 12.631455][ T1] ret_from_fork+0x24/0x30 [ 12.631455][ T1] Rebooting in 86400 seconds..