[ 0.000000][ T0] Linux version 5.9.0-rc1-syzkaller (syzkaller@syzkaller) (gcc (GCC) 10.1.0-syz 20200507, GNU ld (GNU Binutils for Debian) 2.28) #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 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=selinux lsm=lockdown,yama,safesetid,integrity,selinux,tomoyo,bpf 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 rcupdate.rcu_expedited=1 [ 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 [ 0.000012][ T0] kvm-clock: cpu 0, msr becf001, primary cpu clock [ 0.000012][ T0] kvm-clock: using sched offset of 5766113792 cycles [ 0.006866][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.028233][ T0] tsc: Detected 2000.164 MHz processor [ 0.045822][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.054500][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.077623][ T0] found SMP MP-table at [mem 0x000f5a40-0x000f5a4f] [ 0.086394][ T0] check: Scanning 1 areas for low memory corruption [ 0.098103][ T0] ACPI: Early table checksum verification disabled [ 0.106961][ T0] ACPI: RSDP 0x00000000000F5870 000014 (v00 BOCHS ) [ 0.113865][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.123842][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.133374][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.142895][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.148385][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.157977][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.167847][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.177277][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.187071][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.196496][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.208173][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.213513][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.218590][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.224043][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.229316][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 0.234598][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 0.239689][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 0.245405][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 0.250670][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.257552][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 0.264588][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 0.271389][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 0.279081][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 0.290924][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.299298][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.308773][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.316726][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.362727][ T0] Zone ranges: [ 0.366342][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.373573][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.380473][ T0] Normal empty [ 0.384718][ T0] Device empty [ 0.388577][ T0] Movable zone start for each node [ 0.393803][ T0] Early memory node ranges [ 0.398116][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.405757][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 0.413241][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.420642][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 0.420657][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 0.444433][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.166301][ T0] kasan: KernelAddressSanitizer initialized [ 1.185990][ T0] ACPI: PM-Timer IO Port: 0x608 [ 1.193422][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 1.205084][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 1.218287][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 1.229623][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 1.241792][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 1.254147][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 1.264198][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 1.275657][ T0] Using ACPI (MADT) for SMP configuration information [ 1.285436][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 1.294820][ T0] TSC deadline timer available [ 1.301247][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 1.311928][ T0] kvm-guest: KVM setup pv remote TLB flush [ 1.321575][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 1.338400][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 1.351683][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 1.364609][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 1.376973][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 1.387384][ T0] Booting paravirtualized kernel on KVM [ 1.395537][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.461760][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 1.490655][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 1.504838][ T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40 [ 1.513668][ T0] kvm-guest: PV spinlocks enabled [ 1.520199][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 1.534651][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 1.546181][ T0] Policy zone: DMA32 [ 1.551732][ 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 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=selinux lsm=lockdown,yama,safesetid,integrity,selinux,tomoyo,bpf 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 rcupdate.rcu_expedited=1 [ 1.658832][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 2.072346][ T0] Memory: 1503356K/2096620K available (116743K kernel code, 17674K rwdata, 21636K rodata, 2792K init, 23936K bss, 593008K reserved, 0K cma-reserved) [ 2.121180][ T0] Running RCU self tests [ 2.127857][ T0] rcu: Preemptible hierarchical RCU implementation. [ 2.136856][ T0] rcu: RCU lockdep checking is enabled. [ 2.144212][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 2.154591][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 2.165876][ T0] rcu: RCU debug extended QS entry/exit. [ 2.173142][ T0] All grace periods are expedited (rcu_expedited). [ 2.180133][ T0] Trampoline variant of Tasks RCU enabled. [ 2.187799][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.198186][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 2.216667][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 2.236672][ T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0 [ 2.316688][ T0] Console: colour VGA+ 80x25 [ 2.330821][ T0] printk: console [ttyS0] enabled [ 2.330821][ T0] printk: console [ttyS0] enabled [ 2.340334][ T0] printk: bootconsole [earlyser0] disabled [ 2.340334][ T0] printk: bootconsole [earlyser0] disabled [ 2.351450][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.360018][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.364958][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.369935][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.375237][ T0] ... CLASSHASH_SIZE: 4096 [ 2.380076][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 2.385487][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 2.390356][ T0] ... CHAINHASH_SIZE: 32768 [ 2.395488][ T0] memory used by lock dependency info: 6301 kB [ 2.401323][ T0] memory used for stack traces: 4224 kB [ 2.406886][ T0] per task-struct memory footprint: 1920 bytes [ 2.413859][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.426832][ T0] ACPI: Core revision 20200717 [ 2.439220][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 2.457589][ T0] APIC: Switch to symmetric I/O mode setup [ 2.467623][ T0] x2apic enabled [ 2.474042][ T0] Switched APIC routing to physical x2apic. [ 2.479401][ T0] kvm-guest: setup PV IPIs [ 2.502196][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 2.512474][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 2.526872][ T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640) [ 2.537238][ T0] pid_max: default: 32768 minimum: 301 [ 2.549126][ T0] LSM: Security Framework initializing [ 2.555410][ T0] LSM: security= is ignored because it is superseded by lsm= [ 2.556941][ T0] Yama: becoming mindful. [ 2.568005][ T0] SELinux: Initializing. [ 2.574472][ T0] TOMOYO Linux initialized [ 2.576992][ T0] LSM support for eBPF active [ 2.594927][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 2.608464][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 2.617081][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 2.626770][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 2.675021][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 2.686663][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 2.695783][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 2.697297][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.706771][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 2.706845][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.727476][ T0] TAA: Mitigation: Clear CPU buffers [ 2.734826][ T0] MDS: Mitigation: Clear CPU buffers [ 2.777104][ T0] Freeing SMP alternatives memory: 104K [ 2.858832][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 2.881536][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 2.890440][ T1] rcu: Hierarchical SRCU implementation. [ 2.900515][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 2.909675][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.922895][ T1] smp: Bringing up secondary CPUs ... [ 2.937463][ T1] x86: Booting SMP configuration: [ 2.942762][ T1] .... node #0, CPUs: #1 [ 0.251556][ T0] kvm-clock: cpu 1, msr becf041, secondary cpu clock [ 2.960188][ T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40 [ 2.968687][ 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. [ 2.976911][ 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. [ 2.995738][ T1] #2 [ 0.251556][ T0] kvm-clock: cpu 2, msr becf081, secondary cpu clock [ 3.010116][ T20] kvm-guest: stealtime: cpu 2, msr 2d020a40 [ 3.022801][ T1] #3 [ 0.251556][ T0] kvm-clock: cpu 3, msr becf0c1, secondary cpu clock [ 3.036040][ T25] kvm-guest: stealtime: cpu 3, msr 2d120a40 [ 3.036840][ T1] smp: Brought up 2 nodes, 4 CPUs [ 3.046614][ T1] smpboot: Max logical packages: 2 [ 3.051291][ T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS) [ 3.084860][ T1] devtmpfs: initialized [ 3.092141][ T1] x86/mm: Memory block size: 128MB [ 3.145136][ T33] kworker/u17:0 (33) used greatest stack depth: 27544 bytes left [ 3.148506][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 3.157443][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 3.168682][ T1] xor: automatically using best checksumming function avx [ 3.180201][ T36] kworker/u17:1 (36) used greatest stack depth: 27016 bytes left [ 3.181230][ T1] PM: RTC time: 22:03:18, date: 2020-08-19 [ 3.207328][ T1] NET: Registered protocol family 16 [ 3.216682][ T1] audit: initializing netlink subsys (disabled) [ 3.227686][ T39] audit: type=2000 audit(1597874598.199:1): state=initialized audit_enabled=0 res=1 [ 3.248261][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 3.248289][ T1] thermal_sys: Registered thermal governor 'user_space' [ 3.257257][ T1] cpuidle: using governor menu [ 3.267377][ T1] NET: Registered protocol family 42 [ 3.279244][ T1] ACPI: bus type PCI registered [ 3.287906][ T1] dca service started, version 1.12.1 [ 3.295204][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 3.296679][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 3.407795][ T1] PCI: Using configuration type 1 for base access [ 3.763106][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 3.809367][ T1] cryptd: max_cpu_qlen set to 1000 [ 4.026624][ T1] raid6: avx512x4 gen() 16028 MB/s [ 4.192247][ T1] raid6: avx512x4 xor() 6918 MB/s [ 4.366993][ T1] raid6: avx512x2 gen() 14912 MB/s [ 4.546553][ T1] raid6: avx512x2 xor() 6901 MB/s [ 4.716554][ T1] raid6: avx512x1 gen() 8882 MB/s [ 4.896567][ T1] raid6: avx512x1 xor() 3315 MB/s [ 5.067502][ T1] raid6: avx2x4 gen() 11559 MB/s [ 5.239162][ T1] raid6: avx2x4 xor() 5746 MB/s [ 5.410669][ T1] raid6: avx2x2 gen() 7731 MB/s [ 5.581783][ T1] raid6: avx2x2 xor() 3695 MB/s [ 5.753017][ T1] raid6: avx2x1 gen() 5326 MB/s [ 5.920231][ T1] raid6: avx2x1 xor() 2057 MB/s [ 6.092180][ T1] raid6: sse2x4 gen() 6650 MB/s [ 6.263202][ T1] raid6: sse2x4 xor() 3311 MB/s [ 6.432198][ T1] raid6: sse2x2 gen() 3908 MB/s [ 6.606536][ T1] raid6: sse2x2 xor() 1809 MB/s [ 6.773657][ T1] raid6: sse2x1 gen() 2621 MB/s [ 6.943582][ T1] raid6: sse2x1 xor() 985 MB/s [ 6.946557][ T1] raid6: using algorithm avx512x4 gen() 16028 MB/s [ 6.952787][ T1] raid6: .... xor() 6918 MB/s, rmw enabled [ 6.956725][ T1] raid6: using avx512x2 recovery algorithm [ 6.968333][ T1] ACPI: Added _OSI(Module Device) [ 6.971846][ T1] ACPI: Added _OSI(Processor Device) [ 6.976562][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 6.981917][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 6.986695][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 6.992577][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 7.006583][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 7.071081][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 7.147180][ T1] ACPI: Interpreter enabled [ 7.153444][ T1] ACPI: (supports S0 S3 S4 S5) [ 7.156740][ T1] ACPI: Using IOAPIC for interrupt routing [ 7.163800][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 7.170441][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 7.290604][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 7.297219][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 7.310501][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 7.319420][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 7.332286][ T1] PCI host bridge to bus 0000:00 [ 7.336691][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 7.344292][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 7.346634][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 7.353644][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 7.356582][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 7.365010][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 7.366579][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 7.374439][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 7.378205][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 7.396677][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 [ 7.416523][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref] [ 7.436523][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref] [ 7.445579][ T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff] [ 7.466523][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 7.505089][ T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 [ 7.512583][ T1] pci 0000:00:02.0: reg 0x10: [io 0xc680-0xc69f] [ 7.518892][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 7.531820][ T1] pci 0000:00:02.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref] [ 7.538176][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 7.554472][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 7.559039][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 7.567387][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc600-0xc63f] [ 7.581386][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] [ 7.591629][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 7.599321][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 7.613119][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 7.618378][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 7.625231][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 7.636650][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 7.644818][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf0000-0xfebf3fff] [ 7.656637][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 7.664875][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 7.667919][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 7.679018][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref] [ 7.696004][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 7.701096][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 7.712035][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 7.720905][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 7.731146][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 7.740866][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 7.751551][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 7.757791][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf7000-0xfebf7fff] [ 7.771129][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 7.781586][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 7.792231][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 7.803993][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 7.808456][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf8000-0xfebf8fff] [ 7.821676][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 7.831686][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 7.873553][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 7.879564][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 7.888172][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 7.896965][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 7.905593][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 7.908649][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 7.917400][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 7.926395][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 7.927368][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 7.936600][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 7.943134][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 7.946903][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 7.953247][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 7.956836][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 7.963265][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 7.967019][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 8.013826][ T1] iommu: Default domain type: Translated [ 8.024760][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 8.026523][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 8.026700][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 8.036579][ T1] vgaarb: loaded [ 8.061362][ T1] SCSI subsystem initialized [ 8.079482][ T1] ACPI: bus type USB registered [ 8.086791][ T1] usbcore: registered new interface driver usbfs [ 8.095902][ T1] usbcore: registered new interface driver hub [ 8.097512][ T1] usbcore: registered new device driver usb [ 8.109225][ T1] mc: Linux media interface: v0.10 [ 8.115277][ T1] videodev: Linux video capture interface: v2.00 [ 8.118994][ T1] pps_core: LinuxPPS API ver. 1 registered [ 8.126138][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 8.126843][ T1] PTP clock support registered [ 8.136410][ T1] EDAC MC: Ver: 3.0.0 [ 8.151765][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 8.176523][ T1] Bluetooth: Core ver 2.22 [ 8.178126][ T1] NET: Registered protocol family 31 [ 8.184671][ T1] Bluetooth: HCI device and connection manager initialized [ 8.186960][ T1] Bluetooth: HCI socket layer initialized [ 8.193485][ T1] Bluetooth: L2CAP socket layer initialized [ 8.196762][ T1] Bluetooth: SCO socket layer initialized [ 8.204243][ T1] NET: Registered protocol family 8 [ 8.206567][ T1] NET: Registered protocol family 20 [ 8.213693][ T1] NetLabel: Initializing [ 8.216566][ T1] NetLabel: domain hash size = 128 [ 8.223043][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 8.228576][ T1] NetLabel: unlabeled traffic allowed by default [ 8.240932][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 8.247072][ T1] NET: Registered protocol family 39 [ 8.254892][ T1] PCI: Using ACPI for IRQ routing [ 9.313632][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 9.316591][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 9.331443][ T1] clocksource: Switched to clocksource kvm-clock [ 12.392106][ T1] VFS: Disk quotas dquot_6.6.0 [ 12.420079][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 12.443999][ T1] FS-Cache: Loaded [ 12.470716][ T1] CacheFiles: Loaded [ 12.483144][ T1] TOMOYO: 2.6.0 [ 12.489297][ T1] Mandatory Access Control activated. [ 12.499346][ T1] pnp: PnP ACPI init [ 12.531422][ T1] pnp: PnP ACPI: found 6 devices [ 12.603676][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 12.616087][ T1] NET: Registered protocol family 2 [ 12.632035][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 12.641649][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 12.652859][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 12.661668][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 12.671573][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 12.680250][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 12.687950][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 12.697834][ T1] NET: Registered protocol family 1 [ 12.707759][ T1] RPC: Registered named UNIX socket transport module. [ 12.714363][ T1] RPC: Registered udp transport module. [ 12.719811][ T1] RPC: Registered tcp transport module. [ 12.724978][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 12.735626][ T1] NET: Registered protocol family 44 [ 12.741937][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 12.748810][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 12.755314][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 12.762547][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 12.769682][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 12.776881][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 12.786150][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 12.809469][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 12.833656][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 36403 usecs [ 12.853586][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 12.871258][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 27805 usecs [ 12.889861][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 12.906972][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 27212 usecs [ 12.925073][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 12.944611][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 28950 usecs [ 12.953085][ T1] PCI: CLS 0 bytes, default 64 [ 12.969125][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 12.976127][ T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB) [ 12.990754][ T1] kvm: no hardware support [ 12.995039][ T1] has_svm: not amd or hygon [ 12.999443][ T1] kvm: no hardware support [ 13.003856][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 13.016917][ T1] clocksource: Switched to clocksource tsc [ 13.023553][ T1] mce: Machine check injector initialized [ 13.037258][ T1] check: Scanning for low memory corruption every 60 seconds [ 13.162238][ T1] Initialise system trusted keyrings [ 13.171604][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 13.179851][ T1] zbud: loaded [ 13.191010][ T1] DLM installed [ 13.198917][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 13.209874][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 13.217273][ T1] NFS: Registering the id_resolver key type [ 13.222777][ T1] Key type id_resolver registered [ 13.227387][ T1] Key type id_legacy registered [ 13.232685][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 13.239791][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 13.252413][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 13.260148][ T1] Key type cifs.spnego registered [ 13.264824][ T1] Key type cifs.idmap registered [ 13.269267][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 13.275121][ T1] fuse: init (API version 7.31) [ 13.282953][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 13.311972][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 13.324928][ T1] 9p: Installing v9fs 9p2000 file system support [ 13.331068][ T1] FS-Cache: Netfs '9p' registered for caching [ 13.340136][ T1] ocfs2: Registered cluster interface o2cb [ 13.346009][ T1] ocfs2: Registered cluster interface user [ 13.352498][ T1] OCFS2 User DLM kernel interface loaded [ 13.371700][ T1] gfs2: GFS2 installed [ 13.384871][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 13.391341][ T1] ceph: loaded (mds proto 32) [ 13.414033][ T1] NET: Registered protocol family 38 [ 13.420094][ T1] async_tx: api initialized (async) [ 13.424755][ T1] Key type asymmetric registered [ 13.429444][ T1] Asymmetric key parser 'x509' registered [ 13.434674][ T1] Asymmetric key parser 'pkcs8' registered [ 13.440121][ T1] Key type pkcs7_test registered [ 13.444554][ T1] Asymmetric key parser 'tpm_parser' registered [ 13.450678][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 13.460273][ T1] io scheduler mq-deadline registered [ 13.465227][ T1] io scheduler kyber registered [ 13.471105][ T1] io scheduler bfq registered [ 13.490344][ T1] hgafb: HGA card not detected. [ 13.495128][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 13.502070][ T1] usbcore: registered new interface driver udlfb [ 13.513252][ T1] uvesafb: failed to execute /sbin/v86d [ 13.518639][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 13.526366][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 13.533497][ T1] uvesafb: vbe_init() failed with -22 [ 13.538870][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 13.547860][ T1] vga16fb: mapped to 0x00000000a08c667d [ 20.604973][ T1] Console: switching to colour frame buffer device 80x30 [ 28.686281][ T1] fb0: VGA16 VGA frame buffer device [ 28.702698][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 28.718504][ T1] ACPI: Power Button [PWRF] [ 28.833496][ T45] ================================================================== [ 28.837514][ T45] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20 [ 28.837514][ T45] Read of size 8 at addr ffffffff8a2e73d0 by task kworker/u17:2/45 [ 28.837514][ T45] [ 28.837514][ T45] CPU: 2 PID: 45 Comm: kworker/u17:2 Not tainted 5.9.0-rc1-syzkaller #0 [ 28.837514][ T45] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 28.837514][ T45] Workqueue: events_unbound async_run_entry_fn [ 28.837514][ T45] Call Trace: [ 28.837514][ T45] dump_stack+0x18f/0x20d [ 28.837514][ T45] ? internal_create_group+0x9d8/0xb20 [ 28.837514][ T45] ? internal_create_group+0x9d8/0xb20 [ 28.837514][ T45] print_address_description.constprop.0.cold+0x5/0x497 [ 28.837514][ T45] ? vprintk_func+0x97/0x1a6 [ 28.837514][ T45] ? internal_create_group+0x9d8/0xb20 [ 28.837514][ T45] ? internal_create_group+0x9d8/0xb20 [ 28.837514][ T45] kasan_report.cold+0x1f/0x37 [ 28.837514][ T45] ? internal_create_group+0x9d8/0xb20 [ 28.837514][ T45] ? state_show+0xf0/0xf0 [ 28.837514][ T45] internal_create_group+0x9d8/0xb20 [ 28.837514][ T45] ? sysfs_remove_group+0x170/0x170 [ 28.837514][ T45] internal_create_groups.part.0+0x90/0x140 [ 28.837514][ T45] sysfs_create_groups+0x25/0x50 [ 28.837514][ T45] device_add+0x7fd/0x1c40 [ 28.837514][ T45] ? devlink_add_symlinks+0x450/0x450 [ 28.837514][ T45] ? lock_release+0x8e0/0x8e0 [ 28.837514][ T45] ? lock_downgrade+0x830/0x830 [ 28.837514][ T45] ? __schedule+0x88e/0x21e0 [ 28.837514][ T45] ? nd_synchronize+0x20/0x20 [ 28.837514][ T45] nd_async_device_register+0x12/0x80 [ 28.837514][ T45] async_run_entry_fn+0x121/0x530 [ 28.837514][ T45] process_one_work+0x94c/0x1670 [ 28.837514][ T45] ? lock_release+0x8e0/0x8e0 [ 28.837514][ T45] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 28.837514][ T45] ? rwlock_bug.part.0+0x90/0x90 [ 28.837514][ T45] worker_thread+0x64c/0x1120 [ 28.837514][ T45] ? process_one_work+0x1670/0x1670 [ 28.837514][ T45] kthread+0x3b5/0x4a0 [ 28.837514][ T45] ? __kthread_bind_mask+0xc0/0xc0 [ 28.837514][ T45] ? __kthread_bind_mask+0xc0/0xc0 [ 28.837514][ T45] ret_from_fork+0x1f/0x30 [ 28.837514][ T45] [ 28.837514][ T45] The buggy address belongs to the variable: [ 28.837514][ T45] nvdimm_firmware_attributes+0x10/0x40 [ 28.837514][ T45] [ 28.837514][ T45] Memory state around the buggy address: [ 28.837514][ T45] ffffffff8a2e7280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 28.837514][ T45] ffffffff8a2e7300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 28.837514][ T45] >ffffffff8a2e7380: 00 00 00 00 f9 f9 f9 f9 00 00 f9 f9 f9 f9 f9 f9 [ 28.837514][ T45] ^ [ 28.837514][ T45] ffffffff8a2e7400: 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 [ 28.837514][ T45] ffffffff8a2e7480: 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 f9 [ 28.837514][ T45] ================================================================== [ 28.837514][ T45] Disabling lock debugging due to kernel taint [ 29.123541][ T45] Kernel panic - not syncing: panic_on_warn set ... [ 29.129921][ T45] CPU: 2 PID: 45 Comm: kworker/u17:2 Tainted: G B 5.9.0-rc1-syzkaller #0 [ 29.133139][ T45] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 29.133139][ T45] Workqueue: events_unbound async_run_entry_fn [ 29.133139][ T45] Call Trace: [ 29.133139][ T45] dump_stack+0x18f/0x20d [ 29.133139][ T45] ? internal_create_group+0x960/0xb20 [ 29.133139][ T45] panic+0x2e3/0x75c [ 29.133139][ T45] ? __warn_printk+0xf3/0xf3 [ 29.133139][ T45] ? preempt_schedule_common+0x59/0xc0 [ 29.133139][ T45] ? internal_create_group+0x9d8/0xb20 [ 29.133139][ T45] ? preempt_schedule_thunk+0x16/0x18 [ 29.133139][ T45] ? trace_hardirqs_on+0x55/0x220 [ 29.133139][ T45] ? internal_create_group+0x9d8/0xb20 [ 29.133139][ T45] ? internal_create_group+0x9d8/0xb20 [ 29.133139][ T45] end_report+0x4d/0x53 [ 29.133139][ T45] kasan_report.cold+0xd/0x37 [ 29.133139][ T45] ? internal_create_group+0x9d8/0xb20 [ 29.133139][ T45] ? state_show+0xf0/0xf0 [ 29.133139][ T45] internal_create_group+0x9d8/0xb20 [ 29.133139][ T45] ? sysfs_remove_group+0x170/0x170 [ 29.133139][ T45] internal_create_groups.part.0+0x90/0x140 [ 29.133139][ T45] sysfs_create_groups+0x25/0x50 [ 29.133139][ T45] device_add+0x7fd/0x1c40 [ 29.133139][ T45] ? devlink_add_symlinks+0x450/0x450 [ 29.133139][ T45] ? lock_release+0x8e0/0x8e0 [ 29.133139][ T45] ? lock_downgrade+0x830/0x830 [ 29.133139][ T45] ? __schedule+0x88e/0x21e0 [ 29.133139][ T45] ? nd_synchronize+0x20/0x20 [ 29.133139][ T45] nd_async_device_register+0x12/0x80 [ 29.133139][ T45] async_run_entry_fn+0x121/0x530 [ 29.133139][ T45] process_one_work+0x94c/0x1670 [ 29.133139][ T45] ? lock_release+0x8e0/0x8e0 [ 29.133139][ T45] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 29.133139][ T45] ? rwlock_bug.part.0+0x90/0x90 [ 29.133139][ T45] worker_thread+0x64c/0x1120 [ 29.133139][ T45] ? process_one_work+0x1670/0x1670 [ 29.133139][ T45] kthread+0x3b5/0x4a0 [ 29.133139][ T45] ? __kthread_bind_mask+0xc0/0xc0 [ 29.133139][ T45] ? __kthread_bind_mask+0xc0/0xc0 [ 29.133139][ T45] ret_from_fork+0x1f/0x30 [ 29.133139][ T45] Kernel Offset: disabled [ 29.133139][ T45] Rebooting in 86400 seconds..