[ 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 [ 0.000030][ T0] kvm-clock: cpu 0, msr adda001, primary cpu clock [ 0.000030][ T0] kvm-clock: using sched offset of 12819343436 cycles [ 0.013385][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.069886][ T0] tsc: Detected 2000.182 MHz processor [ 0.114073][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.141013][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.177057][ T0] found SMP MP-table at [mem 0x000f5a50-0x000f5a5f] [ 0.197026][ T0] check: Scanning 1 areas for low memory corruption [ 0.222710][ T0] ACPI: Early table checksum verification disabled [ 0.236245][ T0] ACPI: RSDP 0x00000000000F5880 000014 (v00 BOCHS ) [ 0.255875][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.293584][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.313603][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.334735][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.346616][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.365589][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.381516][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.401219][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.424522][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.441917][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.465261][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.474019][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.482352][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.489761][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.498307][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 0.505340][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 0.512790][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 0.520507][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 0.531034][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.544776][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 0.557421][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 0.568329][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 0.582823][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 0.622568][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.648785][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.681364][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.698357][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.728960][ T0] Zone ranges: [ 0.737542][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.755527][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.770820][ T0] Normal empty [ 0.779602][ T0] Device empty [ 0.784919][ T0] Movable zone start for each node [ 0.799030][ T0] Early memory node ranges [ 0.810134][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.836466][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 0.858613][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.873775][ T0] Zeroed struct page in unavailable ranges: 98 pages [ 0.873846][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 0.933633][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.139789][ T0] kasan: KernelAddressSanitizer initialized [ 1.166808][ T0] ACPI: PM-Timer IO Port: 0x608 [ 1.178633][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 1.196446][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 1.212960][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 1.226034][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 1.242073][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 1.268449][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 1.288707][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 1.306119][ T0] Using ACPI (MADT) for SMP configuration information [ 1.322010][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 1.334236][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 1.349504][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 1.361580][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 1.375032][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 1.387150][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 1.403335][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 1.417159][ T0] Booting paravirtualized kernel on KVM [ 1.429650][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.450574][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 1.480728][ T0] percpu: Embedded 66 pages/cpu s232584 r8192 d29560 u1048576 [ 1.494776][ T0] KVM setup async PF for cpu 0 [ 1.505940][ T0] kvm-stealtime: cpu 0, msr 2d022940 [ 1.520432][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 1.560835][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 1.601001][ T0] Policy zone: DMA32 [ 1.617863][ 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 [ 1.855795][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 2.116786][ T0] Memory: 1521820K/2096620K available (116745K kernel code, 16763K rwdata, 21088K rodata, 2780K init, 24912K bss, 574800K reserved, 0K cma-reserved) [ 2.209250][ T0] Running RCU self tests [ 2.217649][ T0] rcu: Preemptible hierarchical RCU implementation. [ 2.232050][ T0] rcu: RCU lockdep checking is enabled. [ 2.247696][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 2.277577][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 2.304356][ T0] Tasks RCU enabled. [ 2.316282][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.339947][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 2.379873][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 2.412364][ T0] random: get_random_bytes called from start_kernel+0x552/0x8e2 with crng_init=0 [ 2.611054][ T0] Console: colour VGA+ 80x25 [ 2.628244][ T0] printk: console [ttyS0] enabled [ 2.628244][ T0] printk: console [ttyS0] enabled [ 2.650107][ T0] printk: bootconsole [earlyser0] disabled [ 2.650107][ T0] printk: bootconsole [earlyser0] disabled [ 2.668592][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.684636][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.696902][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.708258][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.717831][ T0] ... CLASSHASH_SIZE: 4096 [ 2.730354][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 2.743784][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 2.762843][ T0] ... CHAINHASH_SIZE: 32768 [ 2.778225][ T0] memory used by lock dependency info: 6237 kB [ 2.790639][ T0] memory used for stack traces: 4224 kB [ 2.811234][ T0] per task-struct memory footprint: 1920 bytes [ 2.836711][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.888776][ T0] ACPI: Core revision 20200110 [ 2.949511][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 3.050655][ T0] APIC: Switch to symmetric I/O mode setup [ 3.084703][ T0] x2apic enabled [ 3.103518][ T0] Switched APIC routing to physical x2apic. [ 3.119771][ T0] KVM setup pv IPIs [ 3.164080][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 3.179315][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4da2e704, max_idle_ns: 440795303197 ns [ 3.211857][ T0] Calibrating delay loop (skipped) preset value.. 4000.36 BogoMIPS (lpj=20001820) [ 3.224195][ T0] pid_max: default: 32768 minimum: 301 [ 3.246163][ T0] LSM: Security Framework initializing [ 3.251769][ T0] LSM: security= is ignored because it is superseded by lsm= [ 3.262409][ T0] Yama: becoming mindful. [ 3.286673][ T0] TOMOYO Linux initialized [ 3.301560][ T0] AppArmor: AppArmor initialized [ 3.314960][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 3.323365][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 3.331838][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 3.341458][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 3.355528][ T0] *** VALIDATE tmpfs *** [ 3.394457][ T0] *** VALIDATE proc *** [ 3.419633][ T0] *** VALIDATE cgroup1 *** [ 3.421473][ T0] *** VALIDATE cgroup2 *** [ 3.443351][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 3.471580][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 3.481376][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 3.493238][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 3.502696][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 3.503483][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 3.524221][ T0] TAA: Mitigation: Clear CPU buffers [ 3.531377][ T0] MDS: Mitigation: Clear CPU buffers [ 3.682400][ T0] Freeing SMP alternatives memory: 96K [ 3.941016][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 4.042595][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 4.071705][ T1] rcu: Hierarchical SRCU implementation. [ 4.108332][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 4.141640][ T1] smp: Bringing up secondary CPUs ... [ 4.237941][ T1] x86: Booting SMP configuration: [ 4.241751][ T1] .... node #0, CPUs: #1 [ 0.726524][ T0] kvm-clock: cpu 1, msr adda041, secondary cpu clock [ 4.311737][ T15] KVM setup async PF for cpu 1 [ 4.311737][ T15] kvm-stealtime: cpu 1, msr 2d122940 [ 4.343059][ 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. [ 4.351483][ 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. [ 4.447073][ T1] #2 [ 0.726524][ T0] kvm-clock: cpu 2, msr adda081, secondary cpu clock [ 4.489832][ T20] KVM setup async PF for cpu 2 [ 4.490281][ T20] kvm-stealtime: cpu 2, msr 2d222940 [ 4.586026][ T1] #3 [ 0.726524][ T0] kvm-clock: cpu 3, msr adda0c1, secondary cpu clock [ 4.634958][ T25] KVM setup async PF for cpu 3 [ 4.641358][ T25] kvm-stealtime: cpu 3, msr 2d322940 [ 4.662229][ T1] smp: Brought up 2 nodes, 4 CPUs [ 4.671537][ T1] smpboot: Max logical packages: 2 [ 4.681448][ T1] smpboot: Total of 4 processors activated (16001.45 BogoMIPS) [ 4.746322][ T1] devtmpfs: initialized [ 4.785506][ T1] x86/mm: Memory block size: 128MB [ 4.877374][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 4.889308][ T33] kworker/u17:0 (33) used greatest stack depth: 27440 bytes left [ 4.902920][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 4.912202][ T1] xor: automatically using best checksumming function avx [ 4.970271][ T1] PM: RTC time: 18:42:48, date: 2020-01-30 [ 4.984220][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 4.984226][ T1] thermal_sys: Registered thermal governor 'user_space' [ 5.040408][ T1] NET: Registered protocol family 16 [ 5.073062][ T1] audit: initializing netlink subsys (disabled) [ 5.095368][ T39] audit: type=2000 audit(1580409768.136:1): state=initialized audit_enabled=0 res=1 [ 5.111820][ T1] cpuidle: using governor menu [ 5.130174][ T1] KVM setup pv remote TLB flush [ 5.141937][ T1] ACPI: bus type PCI registered [ 5.167685][ T1] dca service started, version 1.12.1 [ 5.176049][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 5.213011][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 5.292656][ T1] PCI: Using configuration type 1 for base access [ 5.581858][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 5.722157][ T1] cryptd: max_cpu_qlen set to 1000 [ 6.011747][ T1] raid6: avx512x4 gen() 13458 MB/s [ 6.191555][ T1] raid6: avx512x4 xor() 4855 MB/s [ 6.371495][ T1] raid6: avx512x2 gen() 10127 MB/s [ 6.550968][ T1] raid6: avx512x2 xor() 5098 MB/s [ 6.721674][ T1] raid6: avx512x1 gen() 5995 MB/s [ 6.913177][ T1] raid6: avx512x1 xor() 2639 MB/s [ 7.102029][ T1] raid6: avx2x4 gen() 6180 MB/s [ 7.311806][ T1] raid6: avx2x4 xor() 3849 MB/s [ 7.491573][ T1] raid6: avx2x2 gen() 5680 MB/s [ 7.671476][ T1] raid6: avx2x2 xor() 2480 MB/s [ 7.851429][ T1] raid6: avx2x1 gen() 3437 MB/s [ 8.031444][ T1] raid6: avx2x1 xor() 1417 MB/s [ 8.211542][ T1] raid6: sse2x4 gen() 4082 MB/s [ 8.391605][ T1] raid6: sse2x4 xor() 2306 MB/s [ 8.561428][ T1] raid6: sse2x2 gen() 3157 MB/s [ 8.731544][ T1] raid6: sse2x2 xor() 1350 MB/s [ 8.911451][ T1] raid6: sse2x1 gen() 1885 MB/s [ 9.091655][ T1] raid6: sse2x1 xor() 702 MB/s [ 9.101594][ T1] raid6: using algorithm avx512x4 gen() 13458 MB/s [ 9.111711][ T1] raid6: .... xor() 4855 MB/s, rmw enabled [ 9.121663][ T1] raid6: using avx512x2 recovery algorithm [ 9.149223][ T1] ACPI: Added _OSI(Module Device) [ 9.151478][ T1] ACPI: Added _OSI(Processor Device) [ 9.160364][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 9.161461][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 9.171489][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 9.181483][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 9.190632][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 9.259044][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 9.351877][ T1] ACPI: Interpreter enabled [ 9.365416][ T1] ACPI: (supports S0 S3 S4 S5) [ 9.391698][ T1] ACPI: Using IOAPIC for interrupt routing [ 9.403635][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 9.436210][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 9.611883][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 9.633406][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 9.670109][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 9.694664][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 9.717216][ T1] PCI host bridge to bus 0000:00 [ 9.731650][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 9.751776][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 9.771567][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 9.801669][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 9.841475][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 9.861507][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 9.891625][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 9.912465][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 9.924259][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 9.962889][ T1] pci 0000:00:01.0: [1234:1111] type 00 class 0x030000 [ 10.060101][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfd000000-0xfdffffff pref] [ 10.351358][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfebf8000-0xfebf8fff] [ 10.501358][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 10.739112][ T1] pci 0000:00:02.0: [8086:100e] type 00 class 0x020000 [ 10.755999][ T1] pci 0000:00:02.0: reg 0x10: [mem 0xfeb80000-0xfeb9ffff] [ 10.765322][ T1] pci 0000:00:02.0: reg 0x14: [io 0xc600-0xc63f] [ 10.789269][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb00000-0xfeb3ffff pref] [ 10.822328][ T1] pci 0000:00:03.0: [8086:10d3] type 00 class 0x020000 [ 10.841299][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfeba0000-0xfebbffff] [ 10.845387][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebc0000-0xfebdffff] [ 10.854395][ T1] pci 0000:00:03.0: reg 0x18: [io 0xc680-0xc69f] [ 10.865744][ T1] pci 0000:00:03.0: reg 0x1c: [mem 0xfebf0000-0xfebf3fff] [ 10.883710][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 10.910312][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 10.913831][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 10.936807][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 10.945758][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 10.954668][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 10.984739][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 10.996168][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf4000-0xfebf7fff] [ 11.028257][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 11.038270][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 11.050196][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf9000-0xfebf9fff] [ 11.065719][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe000000-0xfe003fff 64bit pref] [ 11.118047][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 11.136937][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 11.151008][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 11.165545][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 11.181748][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 11.199941][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 11.210130][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 11.213483][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebfa000-0xfebfafff] [ 11.232367][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 11.253104][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 11.263872][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x70 took 19531 usecs [ 11.278226][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 11.292655][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 11.303513][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebfb000-0xfebfbfff] [ 11.318950][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 11.331428][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 11.392554][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 11.407726][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 11.413399][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 11.423541][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 11.433458][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 11.444302][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 11.453649][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 11.463667][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 11.472508][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 11.481686][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 11.491712][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 11.501810][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 11.511721][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 11.521800][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 11.532065][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 11.542055][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 11.615785][ T1] iommu: Default domain type: Translated [ 11.638898][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 11.641358][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 11.641470][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 11.651568][ T1] vgaarb: loaded [ 11.703161][ T1] SCSI subsystem initialized [ 11.721659][ T1] ACPI: bus type USB registered [ 11.736528][ T1] usbcore: registered new interface driver usbfs [ 11.742515][ T1] usbcore: registered new interface driver hub [ 11.755466][ T1] usbcore: registered new device driver usb [ 11.768074][ T1] mc: Linux media interface: v0.10 [ 11.771770][ T1] videodev: Linux video capture interface: v2.00 [ 11.786474][ T1] pps_core: LinuxPPS API ver. 1 registered [ 11.791453][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 11.801929][ T1] PTP clock support registered [ 11.813387][ T1] EDAC MC: Ver: 3.0.0 [ 11.861360][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 11.882996][ T1] PCI: Using ACPI for IRQ routing [ 13.031358][ T1] Bluetooth: Core ver 2.22 [ 13.042579][ T1] NET: Registered protocol family 31 [ 13.061496][ T1] Bluetooth: HCI device and connection manager initialized [ 13.082250][ T1] Bluetooth: HCI socket layer initialized [ 13.101463][ T1] Bluetooth: L2CAP socket layer initialized [ 13.121961][ T1] Bluetooth: SCO socket layer initialized [ 13.131897][ T1] NET: Registered protocol family 8 [ 13.141456][ T1] NET: Registered protocol family 20 [ 13.157458][ T1] NetLabel: Initializing [ 13.171484][ T1] NetLabel: domain hash size = 128 [ 13.181629][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 13.193861][ T1] NetLabel: unlabeled traffic allowed by default [ 13.216091][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 13.223183][ T1] NET: Registered protocol family 39 [ 13.247519][ T1] ================================================================== [ 13.251358][ T1] BUG: KASAN: slab-out-of-bounds in hpet_alloc+0x442/0x490 [ 13.251358][ T1] Write of size 4 at addr ffff8880276da9d8 by task swapper/0/1 [ 13.251358][ T1] [ 13.251358][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.5.0-syzkaller #0 [ 13.251358][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 13.251358][ T1] Call Trace: [ 13.251358][ T1] dump_stack+0x197/0x210 [ 13.251358][ T1] ? hpet_alloc+0x442/0x490 [ 13.251358][ T1] print_address_description.constprop.0.cold+0xd4/0x30b [ 13.251358][ T1] ? hpet_alloc+0x442/0x490 [ 13.251358][ T1] ? hpet_alloc+0x442/0x490 [ 13.251358][ T1] __kasan_report.cold+0x1b/0x32 [ 13.251358][ T1] ? microcode_sanity_check+0x6a1/0x6b0 [ 13.251358][ T1] ? hpet_alloc+0x442/0x490 [ 13.251358][ T1] kasan_report+0x12/0x20 [ 13.251358][ T1] __asan_report_store4_noabort+0x17/0x20 [ 13.251358][ T1] hpet_alloc+0x442/0x490 [ 13.251358][ T1] ? find_microcode_in_initrd+0x317/0x4c0 [ 13.251358][ T1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 13.251358][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 13.251358][ T1] ? hpet_setup+0xd1/0xd1 [ 13.251358][ T1] ? up_write+0x150/0x490 [ 13.251358][ T1] ? debug_smp_processor_id+0x33/0x18a [ 13.251358][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 13.251358][ T1] ? hpet_enable+0x6e2/0x6e2 [ 13.251358][ T1] hpet_late_init+0x2f4/0x38b [ 13.251358][ T1] ? do_one_initcall+0x66e/0x820 [ 13.251358][ T1] ? hpet_enable+0x6e2/0x6e2 [ 13.251358][ T1] do_one_initcall+0x120/0x820 [ 13.251358][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 13.251358][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 13.251358][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 13.251358][ T1] ? __kasan_check_read+0x11/0x20 [ 13.251358][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 13.251358][ T1] kernel_init_freeable+0x4ca/0x570 [ 13.251358][ T1] ? rest_init+0x371/0x371 [ 13.251358][ T1] kernel_init+0x12/0x1bf [ 13.251358][ T1] ret_from_fork+0x24/0x30 [ 13.251358][ T1] [ 13.251358][ T1] Allocated by task 1: [ 13.251358][ T1] save_stack+0x23/0x90 [ 13.251358][ T1] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 13.251358][ T1] kasan_kmalloc+0x9/0x10 [ 13.251358][ T1] __kmalloc+0x163/0x770 [ 13.251358][ T1] hpet_alloc+0x12b/0x490 [ 13.251358][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 13.251358][ T1] hpet_late_init+0x2f4/0x38b [ 13.251358][ T1] do_one_initcall+0x120/0x820 [ 13.771359][ T1] kernel_init_freeable+0x4ca/0x570 [ 13.771359][ T1] kernel_init+0x12/0x1bf [ 13.771359][ T1] ret_from_fork+0x24/0x30 [ 13.771359][ T1] [ 13.771359][ T1] Freed by task 0: [ 13.771359][ T1] (stack is not available) [ 13.771359][ T1] [ 13.771359][ T1] The buggy address belongs to the object at ffff8880276da800 [ 13.771359][ T1] which belongs to the cache kmalloc-512 of size 512 [ 13.771359][ T1] The buggy address is located 472 bytes inside of [ 13.771359][ T1] 512-byte region [ffff8880276da800, ffff8880276daa00) [ 13.771359][ T1] The buggy address belongs to the page: [ 13.771359][ T1] page:ffffea00009db680 refcount:1 mapcount:0 mapping:ffff88802cc00a80 index:0x0 [ 13.771359][ T1] raw: 00fffe0000000200 ffffea00009c59c8 ffff88802cc01748 ffff88802cc00a80 [ 13.771359][ T1] raw: 0000000000000000 ffff8880276da000 0000000100000004 0000000000000000 [ 13.771359][ T1] page dumped because: kasan: bad access detected [ 13.771359][ T1] [ 13.771359][ T1] Memory state around the buggy address: [ 13.771359][ T1] ffff8880276da880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.771359][ T1] ffff8880276da900: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc [ 13.771359][ T1] >ffff8880276da980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.771359][ T1] ^ [ 13.771359][ T1] ffff8880276daa00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.771359][ T1] ffff8880276daa80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.771359][ T1] ================================================================== [ 13.771359][ T1] Disabling lock debugging due to kernel taint [ 14.011502][ T1] Kernel panic - not syncing: panic_on_warn set ... [ 14.020438][ T1] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G B 5.5.0-syzkaller #0 [ 14.021358][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 14.021358][ T1] Call Trace: [ 14.021358][ T1] dump_stack+0x197/0x210 [ 14.021358][ T1] panic+0x2e3/0x75c [ 14.021358][ T1] ? add_taint.cold+0x16/0x16 [ 14.021358][ T1] ? hpet_alloc+0x442/0x490 [ 14.021358][ T1] ? preempt_schedule+0x4b/0x60 [ 14.021358][ T1] ? ___preempt_schedule+0x16/0x18 [ 14.021358][ T1] ? trace_hardirqs_on+0x5e/0x240 [ 14.021358][ T1] ? hpet_alloc+0x442/0x490 [ 14.021358][ T1] end_report+0x47/0x4f [ 14.021358][ T1] ? hpet_alloc+0x442/0x490 [ 14.021358][ T1] __kasan_report.cold+0xe/0x32 [ 14.021358][ T1] ? microcode_sanity_check+0x6a1/0x6b0 [ 14.021358][ T1] ? hpet_alloc+0x442/0x490 [ 14.021358][ T1] kasan_report+0x12/0x20 [ 14.021358][ T1] __asan_report_store4_noabort+0x17/0x20 [ 14.021358][ T1] hpet_alloc+0x442/0x490 [ 14.021358][ T1] ? find_microcode_in_initrd+0x317/0x4c0 [ 14.021358][ T1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 14.021358][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 14.021358][ T1] ? hpet_setup+0xd1/0xd1 [ 14.021358][ T1] ? up_write+0x150/0x490 [ 14.021358][ T1] ? debug_smp_processor_id+0x33/0x18a [ 14.021358][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 14.021358][ T1] ? hpet_enable+0x6e2/0x6e2 [ 14.021358][ T1] hpet_late_init+0x2f4/0x38b [ 14.021358][ T1] ? do_one_initcall+0x66e/0x820 [ 14.021358][ T1] ? hpet_enable+0x6e2/0x6e2 [ 14.021358][ T1] do_one_initcall+0x120/0x820 [ 14.021358][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 14.021358][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 14.021358][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 14.021358][ T1] ? __kasan_check_read+0x11/0x20 [ 14.021358][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 14.021358][ T1] kernel_init_freeable+0x4ca/0x570 [ 14.021358][ T1] ? rest_init+0x371/0x371 [ 14.021358][ T1] kernel_init+0x12/0x1bf [ 14.021358][ T1] ret_from_fork+0x24/0x30 [ 14.021358][ T1] Rebooting in 86400 seconds..