[ 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 [ 0.000730][ T0] kvm-clock: cpu 0, msr addc001, primary cpu clock [ 0.000731][ T0] kvm-clock: using sched offset of 10482223992 cycles [ 0.028305][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.113534][ T0] tsc: Detected 2000.182 MHz processor [ 0.171230][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.202024][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.247618][ T0] found SMP MP-table at [mem 0x000f5a50-0x000f5a5f] [ 0.276413][ T0] check: Scanning 1 areas for low memory corruption [ 0.308856][ T0] ACPI: Early table checksum verification disabled [ 0.331717][ T0] ACPI: RSDP 0x00000000000F5880 000014 (v00 BOCHS ) [ 0.350163][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.374831][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.397375][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.424662][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.439047][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.461054][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.481273][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.505403][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.528284][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.550573][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.582585][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.593914][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.605979][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.617228][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.628196][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 0.639398][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 0.650880][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 0.663352][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 0.681037][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.705319][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 0.729952][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 0.750985][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 0.770009][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 0.804719][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.823072][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.841995][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.855904][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.892970][ T0] Zone ranges: [ 0.900407][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.915697][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.935608][ T0] Normal empty [ 0.943650][ T0] Device empty [ 0.952558][ T0] Movable zone start for each node [ 0.966969][ T0] Early memory node ranges [ 0.975414][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.990010][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 1.007584][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.024091][ T0] Zeroed struct page in unavailable ranges: 98 pages [ 1.024168][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 1.070940][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.239710][ T0] kasan: KernelAddressSanitizer initialized [ 1.281659][ T0] ACPI: PM-Timer IO Port: 0x608 [ 1.308083][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 1.332321][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 1.366214][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 1.398339][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 1.433190][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 1.475686][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 1.524846][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 1.578632][ T0] Using ACPI (MADT) for SMP configuration information [ 1.624501][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 1.652706][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 1.691534][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 1.741631][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 1.783925][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 1.828519][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 1.866771][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 1.892933][ T0] Booting paravirtualized kernel on KVM [ 1.914136][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.966094][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 2.016111][ T0] percpu: Embedded 66 pages/cpu s232584 r8192 d29560 u1048576 [ 2.058068][ T0] KVM setup async PF for cpu 0 [ 2.084541][ T0] kvm-stealtime: cpu 0, msr 2d022940 [ 2.107510][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 2.146618][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 2.185510][ T0] Policy zone: DMA32 [ 2.199662][ T0] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 [ 2.461972][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 2.765987][ T0] Memory: 1521820K/2096620K available (116745K kernel code, 16772K rwdata, 21096K rodata, 2780K init, 24904K bss, 574800K reserved, 0K cma-reserved) [ 2.878058][ T0] Running RCU self tests [ 2.890789][ T0] rcu: Preemptible hierarchical RCU implementation. [ 2.902316][ T0] rcu: RCU lockdep checking is enabled. [ 2.915906][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 2.936919][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 2.957169][ T0] Tasks RCU enabled. [ 2.964878][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.987462][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 3.033632][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 3.072772][ T0] random: get_random_bytes called from start_kernel+0x552/0x8e2 with crng_init=0 [ 3.303244][ T0] Console: colour VGA+ 80x25 [ 3.319873][ T0] printk: console [ttyS0] enabled [ 3.319873][ T0] printk: console [ttyS0] enabled [ 3.344931][ T0] printk: bootconsole [earlyser0] disabled [ 3.344931][ T0] printk: bootconsole [earlyser0] disabled [ 3.376367][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 3.397675][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 3.410739][ T0] ... MAX_LOCK_DEPTH: 48 [ 3.422177][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 3.435171][ T0] ... CLASSHASH_SIZE: 4096 [ 3.448160][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 3.460090][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 3.471999][ T0] ... CHAINHASH_SIZE: 32768 [ 3.481787][ T0] memory used by lock dependency info: 6237 kB [ 3.495868][ T0] memory used for stack traces: 4224 kB [ 3.508024][ T0] per task-struct memory footprint: 1920 bytes [ 3.525752][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 3.552410][ T0] ACPI: Core revision 20200110 [ 3.574931][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 3.617229][ T0] APIC: Switch to symmetric I/O mode setup [ 3.641893][ T0] x2apic enabled [ 3.653458][ T0] Switched APIC routing to physical x2apic. [ 3.672309][ T0] KVM setup pv IPIs [ 3.761842][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 3.785686][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4da2e704, max_idle_ns: 440795303197 ns [ 3.813258][ T0] Calibrating delay loop (skipped) preset value.. 4000.36 BogoMIPS (lpj=20001820) [ 3.822970][ T0] pid_max: default: 32768 minimum: 301 [ 3.835915][ T0] LSM: Security Framework initializing [ 3.852784][ T0] LSM: security= is ignored because it is superseded by lsm= [ 3.863957][ T0] Yama: becoming mindful. [ 3.875730][ T0] TOMOYO Linux initialized [ 3.896729][ T0] AppArmor: AppArmor initialized [ 3.905975][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 3.913797][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 3.923329][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 3.932514][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 3.945186][ T0] *** VALIDATE tmpfs *** [ 3.975380][ T0] *** VALIDATE proc *** [ 3.994090][ T0] *** VALIDATE cgroup1 *** [ 4.002513][ T0] *** VALIDATE cgroup2 *** [ 4.025366][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 4.049793][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 4.052470][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 4.065411][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 4.072890][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 4.073187][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 4.104544][ T0] TAA: Mitigation: Clear CPU buffers [ 4.112454][ T0] MDS: Mitigation: Clear CPU buffers [ 4.180650][ T0] Freeing SMP alternatives memory: 96K [ 4.382054][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 4.475735][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 4.502929][ T1] rcu: Hierarchical SRCU implementation. [ 4.541019][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 4.574866][ T1] smp: Bringing up secondary CPUs ... [ 4.669749][ T1] x86: Booting SMP configuration: [ 4.672694][ T1] .... node #0, CPUs: #1 [ 0.670223][ T0] kvm-clock: cpu 1, msr addc041, secondary cpu clock [ 4.752590][ T15] KVM setup async PF for cpu 1 [ 4.752590][ T15] kvm-stealtime: cpu 1, msr 2d122940 [ 4.795639][ 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. [ 4.813016][ 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. [ 4.907980][ T1] #2 [ 0.670223][ T0] kvm-clock: cpu 2, msr addc081, secondary cpu clock [ 4.955322][ T20] KVM setup async PF for cpu 2 [ 4.962438][ T20] kvm-stealtime: cpu 2, msr 2d222940 [ 5.076569][ T1] #3 [ 0.670223][ T0] kvm-clock: cpu 3, msr addc0c1, secondary cpu clock [ 5.118504][ T25] KVM setup async PF for cpu 3 [ 5.122438][ T25] kvm-stealtime: cpu 3, msr 2d322940 [ 5.143345][ T1] smp: Brought up 2 nodes, 4 CPUs [ 5.152705][ T1] smpboot: Max logical packages: 2 [ 5.162598][ T1] smpboot: Total of 4 processors activated (16001.45 BogoMIPS) [ 5.227922][ T1] devtmpfs: initialized [ 5.251305][ T1] x86/mm: Memory block size: 128MB [ 5.383300][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 5.412438][ T33] kworker/u17:0 (33) used greatest stack depth: 27536 bytes left [ 5.433357][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 5.549962][ T1] xor: automatically using best checksumming function avx [ 5.602438][ T1] PM: RTC time: 00:46:09, date: 2020-01-31 [ 5.638694][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 5.638700][ T1] thermal_sys: Registered thermal governor 'user_space' [ 5.714132][ T1] NET: Registered protocol family 16 [ 5.778847][ T1] audit: initializing netlink subsys (disabled) [ 5.835954][ T40] audit: type=2000 audit(1580431569.308:1): state=initialized audit_enabled=0 res=1 [ 5.842586][ T1] cpuidle: using governor menu [ 5.862304][ T1] KVM setup pv remote TLB flush [ 5.883357][ T1] ACPI: bus type PCI registered [ 5.913937][ T1] dca service started, version 1.12.1 [ 5.937673][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 5.972848][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 6.062438][ T1] PCI: Using configuration type 1 for base access [ 6.140211][ T135] kworker/u17:1 (135) used greatest stack depth: 27440 bytes left [ 6.176534][ T207] kworker/u17:3 (207) used greatest stack depth: 27368 bytes left [ 6.213288][ T235] kworker/u17:2 (235) used greatest stack depth: 27304 bytes left [ 6.264500][ T212] kworker/u17:3 (212) used greatest stack depth: 27128 bytes left [ 6.482227][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 6.715512][ T1] cryptd: max_cpu_qlen set to 1000 [ 7.070033][ T1] raid6: avx512x4 gen() 14484 MB/s [ 7.253518][ T1] raid6: avx512x4 xor() 6179 MB/s [ 7.432567][ T1] raid6: avx512x2 gen() 9779 MB/s [ 7.615320][ T1] raid6: avx512x2 xor() 5213 MB/s [ 7.792880][ T1] raid6: avx512x1 gen() 6626 MB/s [ 7.972611][ T1] raid6: avx512x1 xor() 2780 MB/s [ 8.152644][ T1] raid6: avx2x4 gen() 6990 MB/s [ 8.332608][ T1] raid6: avx2x4 xor() 3541 MB/s [ 8.512498][ T1] raid6: avx2x2 gen() 5378 MB/s [ 8.683544][ T1] raid6: avx2x2 xor() 2767 MB/s [ 8.862564][ T1] raid6: avx2x1 gen() 3211 MB/s [ 9.032521][ T1] raid6: avx2x1 xor() 1402 MB/s [ 9.212503][ T1] raid6: sse2x4 gen() 4192 MB/s [ 9.382621][ T1] raid6: sse2x4 xor() 2354 MB/s [ 9.562511][ T1] raid6: sse2x2 gen() 3073 MB/s [ 9.732532][ T1] raid6: sse2x2 xor() 1321 MB/s [ 9.912542][ T1] raid6: sse2x1 gen() 1799 MB/s [ 10.075166][ T1] raid6: sse2x1 xor() 662 MB/s [ 10.092600][ T1] raid6: using algorithm avx512x4 gen() 14484 MB/s [ 10.102601][ T1] raid6: .... xor() 6179 MB/s, rmw enabled [ 10.122757][ T1] raid6: using avx512x2 recovery algorithm [ 10.219368][ T1] ACPI: Added _OSI(Module Device) [ 10.234928][ T1] ACPI: Added _OSI(Processor Device) [ 10.242541][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 10.253143][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 10.262890][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 10.271836][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 10.282537][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 10.376197][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 10.507920][ T1] ACPI: Interpreter enabled [ 10.516109][ T1] ACPI: (supports S0 S3 S4 S5) [ 10.523496][ T1] ACPI: Using IOAPIC for interrupt routing [ 10.538071][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 10.568427][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 10.736030][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 10.753689][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 10.780554][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 10.815713][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 10.872870][ T1] PCI host bridge to bus 0000:00 [ 10.882803][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 10.932822][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 10.972747][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 11.012626][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 11.042677][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 11.082628][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 11.122703][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 11.153093][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 11.178284][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 11.262891][ T1] pci 0000:00:01.0: [1234:1111] type 00 class 0x030000 [ 11.352438][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfd000000-0xfdffffff pref] [ 11.552438][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfebf8000-0xfebf8fff] [ 11.722438][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 11.932438][ T1] pci 0000:00:02.0: [8086:100e] type 00 class 0x020000 [ 11.972438][ T1] pci 0000:00:02.0: reg 0x10: [mem 0xfeb80000-0xfeb9ffff] [ 11.996400][ T1] pci 0000:00:02.0: reg 0x14: [io 0xc600-0xc63f] [ 12.037224][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb00000-0xfeb3ffff pref] [ 12.077865][ T1] pci 0000:00:03.0: [8086:10d3] type 00 class 0x020000 [ 12.091618][ T1456] kworker/u17:2 (1456) used greatest stack depth: 26856 bytes left [ 12.117554][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfeba0000-0xfebbffff] [ 12.166814][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebc0000-0xfebdffff] [ 12.198163][ T1] pci 0000:00:03.0: reg 0x18: [io 0xc680-0xc69f] [ 12.241505][ T1] pci 0000:00:03.0: reg 0x1c: [mem 0xfebf0000-0xfebf3fff] [ 12.265031][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 12.336200][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 12.366980][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 12.412721][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 12.426725][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 12.445401][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 12.486464][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 12.505676][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf4000-0xfebf7fff] [ 12.551938][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 12.578951][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 12.597811][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf9000-0xfebf9fff] [ 12.632503][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe000000-0xfe003fff 64bit pref] [ 12.680915][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 12.703699][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 12.736774][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 12.768501][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 12.802710][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 12.835090][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 12.860636][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 12.877119][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebfa000-0xfebfafff] [ 12.908892][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 12.951571][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 12.976259][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x70 took 39062 usecs [ 13.013766][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 13.057700][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 13.074508][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebfb000-0xfebfbfff] [ 13.093573][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 13.122245][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 13.194224][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 13.216996][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 13.234826][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 13.264984][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 13.274514][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 13.294890][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 13.315553][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 13.336802][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 13.364580][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 13.392858][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 13.412845][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 13.432846][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 13.442753][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 13.462754][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 13.472891][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 13.492929][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 13.627770][ T1] iommu: Default domain type: Translated [ 13.667410][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 13.672438][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 13.722632][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 13.742639][ T1] vgaarb: loaded [ 13.796952][ T1] SCSI subsystem initialized [ 13.832438][ T1] ACPI: bus type USB registered [ 13.856204][ T1] usbcore: registered new interface driver usbfs [ 13.884271][ T1] usbcore: registered new interface driver hub [ 13.914289][ T1] usbcore: registered new device driver usb [ 13.952942][ T1] mc: Linux media interface: v0.10 [ 13.973147][ T1] videodev: Linux video capture interface: v2.00 [ 14.007620][ T1] pps_core: LinuxPPS API ver. 1 registered [ 14.032626][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 14.062775][ T1] PTP clock support registered [ 14.086354][ T1] EDAC MC: Ver: 3.0.0 [ 14.130859][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 14.145380][ T1] PCI: Using ACPI for IRQ routing [ 16.136519][ T1] Bluetooth: Core ver 2.22 [ 16.156922][ T1] NET: Registered protocol family 31 [ 16.182704][ T1] Bluetooth: HCI device and connection manager initialized [ 16.203389][ T1] Bluetooth: HCI socket layer initialized [ 16.222537][ T1] Bluetooth: L2CAP socket layer initialized [ 16.243015][ T1] Bluetooth: SCO socket layer initialized [ 16.263071][ T1] NET: Registered protocol family 8 [ 16.272497][ T1] NET: Registered protocol family 20 [ 16.283733][ T1] NetLabel: Initializing [ 16.291371][ T1] NetLabel: domain hash size = 128 [ 16.312521][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 16.328520][ T1] NetLabel: unlabeled traffic allowed by default [ 16.362909][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 16.375299][ T1] NET: Registered protocol family 39 [ 16.420327][ T1] ================================================================== [ 16.422438][ T1] BUG: KASAN: slab-out-of-bounds in hpet_alloc+0x442/0x490 [ 16.422438][ T1] Write of size 4 at addr ffff8880788519d8 by task swapper/0/1 [ 16.422438][ T1] [ 16.422438][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.5.0-syzkaller #0 [ 16.422438][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 16.422438][ T1] Call Trace: [ 16.422438][ T1] dump_stack+0x197/0x210 [ 16.422438][ T1] ? hpet_alloc+0x442/0x490 [ 16.422438][ T1] print_address_description.constprop.0.cold+0xd4/0x30b [ 16.422438][ T1] ? hpet_alloc+0x442/0x490 [ 16.422438][ T1] ? hpet_alloc+0x442/0x490 [ 16.422438][ T1] __kasan_report.cold+0x1b/0x32 [ 16.422438][ T1] ? load_builtin_intel_microcode+0xd1/0x110 [ 16.422438][ T1] ? hpet_alloc+0x442/0x490 [ 16.422438][ T1] kasan_report+0x12/0x20 [ 16.422438][ T1] __asan_report_store4_noabort+0x17/0x20 [ 16.422438][ T1] hpet_alloc+0x442/0x490 [ 16.422438][ T1] ? find_microcode_in_initrd+0x317/0x4c0 [ 16.422438][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 16.422438][ T1] ? hpet_setup+0xd1/0xd1 [ 16.422438][ T1] ? up_write+0x150/0x490 [ 16.422438][ T1] ? debug_smp_processor_id+0x33/0x18a [ 16.422438][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 16.422438][ T1] ? hpet_enable+0x6e2/0x6e2 [ 16.422438][ T1] hpet_late_init+0x2f4/0x38b [ 16.843176][ T1] ? do_one_initcall+0x66e/0x820 [ 16.862535][ T1] ? hpet_enable+0x6e2/0x6e2 [ 16.872924][ T1] do_one_initcall+0x120/0x820 [ 16.882575][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 16.902543][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 16.922648][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 16.942522][ T1] ? __kasan_check_read+0x11/0x20 [ 16.952611][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 16.972798][ T1] kernel_init_freeable+0x4ca/0x570 [ 16.992672][ T1] ? rest_init+0x371/0x371 [ 17.002588][ T1] kernel_init+0x12/0x1bf [ 17.022595][ T1] ret_from_fork+0x24/0x30 [ 17.032647][ T1] [ 17.042612][ T1] Allocated by task 1: [ 17.052649][ T1] save_stack+0x23/0x90 [ 17.062585][ T1] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 17.082576][ T1] kasan_kmalloc+0x9/0x10 [ 17.092586][ T1] __kmalloc+0x163/0x770 [ 17.102527][ T1] hpet_alloc+0x12b/0x490 [ 17.112624][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 17.132631][ T1] hpet_late_init+0x2f4/0x38b [ 17.142625][ T1] do_one_initcall+0x120/0x820 [ 17.162659][ T1] kernel_init_freeable+0x4ca/0x570 [ 17.182563][ T1] kernel_init+0x12/0x1bf [ 17.192622][ T1] ret_from_fork+0x24/0x30 [ 17.202539][ T1] [ 17.212930][ T1] Freed by task 0: [ 17.222614][ T1] (stack is not available) [ 17.232639][ T1] [ 17.242550][ T1] The buggy address belongs to the object at ffff888078851800 [ 17.242550][ T1] which belongs to the cache kmalloc-512 of size 512 [ 17.272623][ T1] The buggy address is located 472 bytes inside of [ 17.272623][ T1] 512-byte region [ffff888078851800, ffff888078851a00) [ 17.302517][ T1] The buggy address belongs to the page: [ 17.312566][ T1] page:ffffea0001e21440 refcount:1 mapcount:0 mapping:ffff88802cc00a80 index:0xffff888078851c00 [ 17.342659][ T1] raw: 04fffe0000000200 ffff88807a800738 ffff88807a800738 ffff88802cc00a80 [ 17.352625][ T1] raw: ffff888078851c00 ffff888078851000 0000000100000003 0000000000000000 [ 17.372616][ T1] page dumped because: kasan: bad access detected [ 17.392640][ T1] [ 17.392640][ T1] Memory state around the buggy address: [ 17.412598][ T1] ffff888078851880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.432592][ T1] ffff888078851900: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc [ 17.442524][ T1] >ffff888078851980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.462549][ T1] ^ [ 17.482558][ T1] ffff888078851a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.522691][ T1] ffff888078851a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.572716][ T1] ================================================================== [ 17.602641][ T1] Disabling lock debugging due to kernel taint [ 17.642899][ T1] Kernel panic - not syncing: panic_on_warn set ... [ 17.652438][ T1] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G B 5.5.0-syzkaller #0 [ 17.652438][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 17.652438][ T1] Call Trace: [ 17.652438][ T1] dump_stack+0x197/0x210 [ 17.652438][ T1] panic+0x2e3/0x75c [ 17.652438][ T1] ? add_taint.cold+0x16/0x16 [ 17.652438][ T1] ? hpet_alloc+0x442/0x490 [ 17.652438][ T1] ? preempt_schedule+0x4b/0x60 [ 17.652438][ T1] ? ___preempt_schedule+0x16/0x18 [ 17.652438][ T1] ? trace_hardirqs_on+0x5e/0x240 [ 17.652438][ T1] ? hpet_alloc+0x442/0x490 [ 17.652438][ T1] end_report+0x47/0x4f [ 17.652438][ T1] ? hpet_alloc+0x442/0x490 [ 17.652438][ T1] __kasan_report.cold+0xe/0x32 [ 17.652438][ T1] ? load_builtin_intel_microcode+0xd1/0x110 [ 17.652438][ T1] ? hpet_alloc+0x442/0x490 [ 17.652438][ T1] kasan_report+0x12/0x20 [ 17.652438][ T1] __asan_report_store4_noabort+0x17/0x20 [ 17.652438][ T1] hpet_alloc+0x442/0x490 [ 17.652438][ T1] ? find_microcode_in_initrd+0x317/0x4c0 [ 17.652438][ T1] hpet_reserve_platform_timers+0x1fc/0x245 [ 17.652438][ T1] ? hpet_setup+0xd1/0xd1 [ 17.652438][ T1] ? up_write+0x150/0x490 [ 17.652438][ T1] ? debug_smp_processor_id+0x33/0x18a [ 17.652438][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 17.652438][ T1] ? hpet_enable+0x6e2/0x6e2 [ 17.652438][ T1] hpet_late_init+0x2f4/0x38b [ 17.652438][ T1] ? do_one_initcall+0x66e/0x820 [ 17.652438][ T1] ? hpet_enable+0x6e2/0x6e2 [ 17.652438][ T1] do_one_initcall+0x120/0x820 [ 17.652438][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 17.652438][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 17.652438][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 17.652438][ T1] ? __kasan_check_read+0x11/0x20 [ 17.652438][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 17.652438][ T1] kernel_init_freeable+0x4ca/0x570 [ 17.652438][ T1] ? rest_init+0x371/0x371 [ 17.652438][ T1] kernel_init+0x12/0x1bf [ 17.652438][ T1] ret_from_fork+0x24/0x30 [ 17.652438][ T1] Rebooting in 86400 seconds.. Resetting rate control (151293 samples)