[ 0.000000][ T0] Linux version 5.8.0-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 [ 0.000272][ T0] kvm-clock: cpu 0, msr becf001, primary cpu clock [ 0.000272][ T0] kvm-clock: using sched offset of 43147406358 cycles [ 0.061954][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.229656][ T0] tsc: Detected 2000.164 MHz processor [ 0.341105][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.436377][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.540014][ T0] found SMP MP-table at [mem 0x000f5a40-0x000f5a4f] [ 0.618146][ T0] check: Scanning 1 areas for low memory corruption [ 0.708337][ T0] ACPI: Early table checksum verification disabled [ 0.818527][ T0] ACPI: RSDP 0x00000000000F5870 000014 (v00 BOCHS ) [ 0.890622][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.991271][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 1.068514][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 1.154947][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 1.208051][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 1.299609][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 1.388107][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 1.465993][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 1.528140][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 1.606149][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 1.699796][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 1.736764][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 1.790478][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 1.834735][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 1.876746][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 1.912478][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 1.944488][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 1.971661][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 1.999370][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 2.035995][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 2.070840][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 2.099682][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 2.132164][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 2.176026][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 2.211153][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 2.254019][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 2.298338][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 2.414420][ T0] Zone ranges: [ 2.431626][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 2.467580][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 2.501591][ T0] Normal empty [ 2.520973][ T0] Device empty [ 2.538753][ T0] Movable zone start for each node [ 2.561777][ T0] Early memory node ranges [ 2.583950][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 2.617818][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 2.644372][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 2.678631][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 2.678674][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 2.765050][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 6.838628][ T0] kasan: KernelAddressSanitizer initialized [ 6.931289][ T0] ACPI: PM-Timer IO Port: 0x608 [ 6.962633][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 7.010648][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 7.055942][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 7.096516][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 7.143472][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 7.191253][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 7.242009][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 7.299795][ T0] Using ACPI (MADT) for SMP configuration information [ 7.338143][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 7.375963][ T0] TSC deadline timer available [ 7.399992][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 7.438494][ T0] kvm-guest: KVM setup pv remote TLB flush [ 7.484789][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 7.542931][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 7.594291][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 7.660080][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 7.732406][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 7.786716][ T0] Booting paravirtualized kernel on KVM [ 7.832658][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 7.953843][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 8.082550][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 8.151652][ T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40 [ 8.190899][ T0] kvm-guest: PV spinlocks enabled [ 8.234105][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 8.344350][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 8.426381][ T0] Policy zone: DMA32 [ 8.476653][ 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 [ 9.524049][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 11.167808][ T0] Memory: 1503356K/2096620K available (116743K kernel code, 17673K rwdata, 21632K rodata, 2792K init, 23936K bss, 593008K reserved, 0K cma-reserved) [ 11.369372][ T0] Running RCU self tests [ 11.392751][ T0] rcu: Preemptible hierarchical RCU implementation. [ 11.417585][ T0] rcu: RCU lockdep checking is enabled. [ 11.452090][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 11.494798][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 11.519639][ T0] rcu: RCU debug extended QS entry/exit. [ 11.540455][ T0] All grace periods are expedited (rcu_expedited). [ 11.564068][ T0] Trampoline variant of Tasks RCU enabled. [ 11.592561][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 11.636697][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 11.702267][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 11.793332][ T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0 [ 12.153608][ T0] Console: colour VGA+ 80x25 [ 12.221587][ T0] printk: console [ttyS0] enabled [ 12.221587][ T0] printk: console [ttyS0] enabled [ 12.311682][ T0] printk: bootconsole [earlyser0] disabled [ 12.311682][ T0] printk: bootconsole [earlyser0] disabled [ 12.417763][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 12.499069][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 12.539190][ T0] ... MAX_LOCK_DEPTH: 48 [ 12.562942][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 12.588363][ T0] ... CLASSHASH_SIZE: 4096 [ 12.610083][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 12.637497][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 12.668775][ T0] ... CHAINHASH_SIZE: 32768 [ 12.690803][ T0] memory used by lock dependency info: 6301 kB [ 12.712330][ T0] memory used for stack traces: 4224 kB [ 12.738958][ T0] per task-struct memory footprint: 1920 bytes [ 12.792023][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 12.866993][ T0] ACPI: Core revision 20200717 [ 12.947148][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 13.056400][ T0] APIC: Switch to symmetric I/O mode setup [ 13.112135][ T0] x2apic enabled [ 13.153399][ T0] Switched APIC routing to physical x2apic. [ 13.195790][ T0] kvm-guest: setup PV IPIs [ 13.334468][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 13.375242][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 13.455128][ T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640) [ 13.469564][ T0] pid_max: default: 32768 minimum: 301 [ 13.492737][ T0] LSM: Security Framework initializing [ 13.498460][ T0] LSM: security= is ignored because it is superseded by lsm= [ 13.519428][ T0] Yama: becoming mindful. [ 13.541183][ T0] SELinux: Initializing. [ 13.563248][ T0] TOMOYO Linux initialized [ 13.578580][ T0] LSM support for eBPF active [ 13.628206][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 13.653985][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 13.659692][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 13.668554][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 13.896235][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 13.926455][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 13.927859][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 13.940944][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 13.970874][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 13.971909][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 14.001300][ T0] TAA: Mitigation: Clear CPU buffers [ 14.007914][ T0] MDS: Mitigation: Clear CPU buffers [ 14.368752][ T0] Freeing SMP alternatives memory: 104K [ 15.017420][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 15.137059][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 15.166355][ T1] rcu: Hierarchical SRCU implementation. [ 15.204671][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 15.225603][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 15.266804][ T1] smp: Bringing up secondary CPUs ... [ 15.327148][ T1] x86: Booting SMP configuration: [ 15.329610][ T1] .... node #0, CPUs: #1 [ 1.566831][ T0] kvm-clock: cpu 1, msr becf041, secondary cpu clock [ 15.488490][ T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40 [ 15.560846][ 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. [ 15.571141][ 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. [ 15.622167][ T1] #2 [ 1.566831][ T0] kvm-clock: cpu 2, msr becf081, secondary cpu clock [ 15.760073][ T20] kvm-guest: stealtime: cpu 2, msr 2d020a40 [ 15.854744][ T1] #3 [ 1.566831][ T0] kvm-clock: cpu 3, msr becf0c1, secondary cpu clock [ 16.004365][ T25] kvm-guest: stealtime: cpu 3, msr 2d120a40 [ 16.060026][ T1] smp: Brought up 2 nodes, 4 CPUs [ 16.068214][ T1] smpboot: Max logical packages: 2 [ 16.078145][ T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS) [ 16.241027][ T1] devtmpfs: initialized [ 16.276734][ T1] x86/mm: Memory block size: 128MB [ 16.454002][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 16.553039][ T33] kworker/u17:0 (33) used greatest stack depth: 27544 bytes left [ 16.561494][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 16.700252][ T1] xor: automatically using best checksumming function avx [ 16.777839][ T1] PM: RTC time: 19:30:48, date: 2020-08-15 [ 16.886992][ T1] NET: Registered protocol family 16 [ 16.947668][ T1] audit: initializing netlink subsys (disabled) [ 17.010624][ T41] audit: type=2000 audit(1597519845.826:1): state=initialized audit_enabled=0 res=1 [ 17.065278][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 17.065331][ T1] thermal_sys: Registered thermal governor 'user_space' [ 17.150615][ T1] cpuidle: using governor menu [ 17.262558][ T1] NET: Registered protocol family 42 [ 17.348968][ T1] ACPI: bus type PCI registered [ 17.410240][ T1] dca service started, version 1.12.1 [ 17.456259][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 17.519319][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 18.243324][ T1] PCI: Using configuration type 1 for base access [ 18.622448][ T391] kworker/u17:8 (391) used greatest stack depth: 27472 bytes left [ 18.627839][ T406] kworker/u17:1 (406) used greatest stack depth: 27248 bytes left [ 19.308194][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 19.559791][ T1] cryptd: max_cpu_qlen set to 1000 [ 20.019243][ T1] raid6: avx512x4 gen() 13802 MB/s [ 20.231410][ T1] raid6: avx512x4 xor() 5916 MB/s [ 20.463093][ T1] raid6: avx512x2 gen() 11407 MB/s [ 20.676026][ T1] raid6: avx512x2 xor() 5470 MB/s [ 20.868842][ T1] raid6: avx512x1 gen() 7557 MB/s [ 21.096685][ T1] raid6: avx512x1 xor() 2855 MB/s [ 21.305860][ T1] raid6: avx2x4 gen() 9317 MB/s [ 21.509520][ T1] raid6: avx2x4 xor() 4743 MB/s [ 21.710493][ T1] raid6: avx2x2 gen() 5758 MB/s [ 21.916589][ T1] raid6: avx2x2 xor() 2714 MB/s [ 22.117451][ T1] raid6: avx2x1 gen() 3633 MB/s [ 22.317117][ T1] raid6: avx2x1 xor() 1489 MB/s [ 22.515992][ T1] raid6: sse2x4 gen() 4835 MB/s [ 22.717270][ T1] raid6: sse2x4 xor() 2488 MB/s [ 22.911357][ T1] raid6: sse2x2 gen() 2859 MB/s [ 23.112118][ T1] raid6: sse2x2 xor() 1469 MB/s [ 23.327839][ T1] raid6: sse2x1 gen() 1881 MB/s [ 23.576336][ T1] raid6: sse2x1 xor() 659 MB/s [ 23.658510][ T1] raid6: using algorithm avx512x4 gen() 13802 MB/s [ 23.759537][ T1] raid6: .... xor() 5916 MB/s, rmw enabled [ 23.829938][ T1] raid6: using avx512x2 recovery algorithm [ 24.282090][ T1] ACPI: Added _OSI(Module Device) [ 24.349495][ T1] ACPI: Added _OSI(Processor Device) [ 24.420269][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 24.500278][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 24.559977][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 24.608177][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 24.658331][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 24.878235][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 25.145945][ T1] ACPI: Interpreter enabled [ 25.167839][ T1] ACPI: (supports S0 S3 S4 S5) [ 25.179124][ T1] ACPI: Using IOAPIC for interrupt routing [ 25.263688][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 25.281321][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 25.711259][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 25.729652][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 25.754192][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 25.764613][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 25.806045][ T1] PCI host bridge to bus 0000:00 [ 25.808425][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 25.818660][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 25.828265][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 25.838145][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 25.847978][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 25.858029][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 25.868321][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 25.879309][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 25.900051][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 25.981338][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 [ 26.067570][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref] [ 26.197839][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref] [ 26.327839][ T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff] [ 26.457839][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 26.967839][ T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 [ 27.041040][ T1] pci 0000:00:02.0: reg 0x10: [io 0xc680-0xc69f] [ 27.115656][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 27.237839][ T1] pci 0000:00:02.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref] [ 27.361080][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 27.533693][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 27.598432][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 27.693359][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc600-0xc63f] [ 27.809617][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] [ 27.963646][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 28.093221][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 28.281633][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 28.401104][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 28.522805][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 28.739988][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 28.841293][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf0000-0xfebf3fff] [ 29.037546][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 29.120505][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 29.196778][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 29.312205][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref] [ 29.532553][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 29.707839][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 30.117839][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 30.237839][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 30.467839][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 30.598244][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 30.716485][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 30.768310][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf7000-0xfebf7fff] [ 30.861851][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 30.953430][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 31.017083][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x190 took 68359 usecs [ 31.085991][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 31.161301][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 31.222284][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf8000-0xfebf8fff] [ 31.299223][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 31.360979][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 31.557840][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 31.607586][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 31.641315][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 31.671974][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 31.701774][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 31.731388][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 31.771381][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 31.802530][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 31.850085][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 31.878417][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 31.908467][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 31.938417][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 31.958328][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 31.988373][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 32.018359][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 32.048477][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 32.239768][ T1] iommu: Default domain type: Translated [ 32.331935][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 32.337839][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 32.408187][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 32.438078][ T1] vgaarb: loaded [ 32.533643][ T1] SCSI subsystem initialized [ 32.612971][ T1] ACPI: bus type USB registered [ 32.658558][ T1] usbcore: registered new interface driver usbfs [ 32.736011][ T1] usbcore: registered new interface driver hub [ 32.771783][ T1] usbcore: registered new device driver usb [ 32.819721][ T1] mc: Linux media interface: v0.10 [ 32.838520][ T1] videodev: Linux video capture interface: v2.00 [ 32.875911][ T1] pps_core: LinuxPPS API ver. 1 registered [ 32.898044][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 32.958777][ T1] PTP clock support registered [ 32.990106][ T1] EDAC MC: Ver: 3.0.0 [ 33.074366][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 33.156596][ T1] Bluetooth: Core ver 2.22 [ 33.166417][ T1] NET: Registered protocol family 31 [ 33.168653][ T1] Bluetooth: HCI device and connection manager initialized [ 33.185881][ T1] Bluetooth: HCI socket layer initialized [ 33.189200][ T1] Bluetooth: L2CAP socket layer initialized [ 33.199659][ T1] Bluetooth: SCO socket layer initialized [ 33.210869][ T1] NET: Registered protocol family 8 [ 33.218303][ T1] NET: Registered protocol family 20 [ 33.236707][ T1] NetLabel: Initializing [ 33.238352][ T1] NetLabel: domain hash size = 128 [ 33.248446][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 33.276284][ T1] NetLabel: unlabeled traffic allowed by default [ 33.306085][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 33.311515][ T1] NET: Registered protocol family 39 [ 33.322541][ T1] PCI: Using ACPI for IRQ routing [ 39.633324][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 39.671669][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 39.770330][ T1] clocksource: Switched to clocksource kvm-clock [ 43.984054][ T1] VFS: Disk quotas dquot_6.6.0 [ 44.042796][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 44.191742][ T1] FS-Cache: Loaded [ 44.305575][ T1] CacheFiles: Loaded [ 44.354734][ T1] TOMOYO: 2.6.0 [ 44.381901][ T1] Mandatory Access Control activated. [ 44.453003][ T1] pnp: PnP ACPI init [ 44.699904][ T1] pnp: PnP ACPI: found 6 devices [ 45.147111][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 45.280774][ T1] NET: Registered protocol family 2 [ 45.450635][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 45.545025][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 45.646196][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 45.695239][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 45.816419][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 45.931676][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 46.026406][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 46.109585][ T1] NET: Registered protocol family 1 [ 46.203006][ T1] RPC: Registered named UNIX socket transport module. [ 46.261552][ T1] RPC: Registered udp transport module. [ 46.303272][ T1] RPC: Registered tcp transport module. [ 46.356611][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 46.497752][ T1] NET: Registered protocol family 44 [ 46.588788][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 46.685162][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 46.789569][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 46.894353][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 46.977066][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 47.063921][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 47.181133][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 47.275878][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 99330 usecs [ 47.435108][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 47.584522][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 213215 usecs [ 47.681991][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 47.731987][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 69472 usecs [ 47.794246][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 47.850694][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 73492 usecs [ 47.911923][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 47.980587][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 82268 usecs [ 48.040113][ T1] PCI: CLS 0 bytes, default 64 [ 48.122666][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 48.153977][ T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB) [ 48.201981][ T1] kvm: no hardware support [ 48.360048][ T1] has_svm: not amd or hygon [ 48.389986][ T1] kvm: no hardware support [ 48.409790][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 48.492368][ T1] clocksource: Switched to clocksource tsc [ 48.572508][ T1] mce: Machine check injector initialized [ 49.025133][ T1] check: Scanning for low memory corruption every 60 seconds [ 49.907460][ T1] Initialise system trusted keyrings [ 50.030989][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 50.079869][ T1] zbud: loaded [ 50.220740][ T1] DLM installed [ 50.245421][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 50.301044][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 50.359851][ T1] NFS: Registering the id_resolver key type [ 50.414185][ T1] Key type id_resolver registered [ 50.459589][ T1] Key type id_legacy registered [ 50.507075][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 50.564813][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 50.640134][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 50.694669][ T1] Key type cifs.spnego registered [ 50.733164][ T1] Key type cifs.idmap registered [ 50.766661][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 50.810137][ T1] fuse: init (API version 7.31) [ 50.876699][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 51.034390][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 51.208814][ T1] 9p: Installing v9fs 9p2000 file system support [ 51.262051][ T1] FS-Cache: Netfs '9p' registered for caching [ 51.328969][ T1] ocfs2: Registered cluster interface o2cb [ 51.406953][ T1] ocfs2: Registered cluster interface user [ 51.445131][ T1] OCFS2 User DLM kernel interface loaded [ 51.570952][ T1] gfs2: GFS2 installed [ 51.665263][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 51.712682][ T1] ceph: loaded (mds proto 32) [ 51.876358][ T1] NET: Registered protocol family 38 [ 51.928653][ T1] async_tx: api initialized (async) [ 51.961310][ T1] Key type asymmetric registered [ 51.996282][ T1] Asymmetric key parser 'x509' registered [ 52.050428][ T1] Asymmetric key parser 'pkcs8' registered [ 52.097815][ T1] Key type pkcs7_test registered [ 52.132049][ T1] Asymmetric key parser 'tpm_parser' registered [ 52.170366][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 52.244961][ T1] io scheduler mq-deadline registered [ 52.278742][ T1] io scheduler kyber registered [ 52.303132][ T1] io scheduler bfq registered [ 52.415620][ T1] hgafb: HGA card not detected. [ 52.453336][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 52.493536][ T1] usbcore: registered new interface driver udlfb [ 52.590296][ T1] uvesafb: failed to execute /sbin/v86d [ 52.641416][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 52.692345][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 52.750236][ T1] uvesafb: vbe_init() failed with -22 [ 52.792549][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 52.845536][ T1] vga16fb: mapped to 0x0000000087a8455d [ 57.235347][ C1] hrtimer: interrupt took 140380553 ns [ 101.488670][ T1] Console: switching to colour frame buffer device 80x30 [ 137.463316][ T1] fb0: VGA16 VGA frame buffer device [ 137.654616][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 137.800489][ T1] ACPI: Power Button [PWRF] [ 138.343492][ T38] ================================================================== [ 138.348388][ T38] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20 [ 138.348388][ T38] Read of size 8 at addr ffffffff8a2e7230 by task kworker/u17:2/38 [ 138.348388][ T38] [ 138.348388][ T38] CPU: 0 PID: 38 Comm: kworker/u17:2 Not tainted 5.8.0-syzkaller #0 [ 138.348388][ T38] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 138.348388][ T38] Workqueue: events_unbound async_run_entry_fn [ 138.348388][ T38] Call Trace: [ 138.348388][ T38] dump_stack+0x18f/0x20d [ 138.348388][ T38] ? internal_create_group+0x9d8/0xb20 [ 138.348388][ T38] ? internal_create_group+0x9d8/0xb20 [ 138.348388][ T38] print_address_description.constprop.0.cold+0x5/0x497 [ 138.348388][ T38] ? vprintk_func+0x97/0x1a6 [ 138.348388][ T38] ? internal_create_group+0x9d8/0xb20 [ 138.348388][ T38] ? internal_create_group+0x9d8/0xb20 [ 138.348388][ T38] kasan_report.cold+0x1f/0x37 [ 138.348388][ T38] ? internal_create_group+0x9d8/0xb20 [ 138.348388][ T38] ? state_show+0xf0/0xf0 [ 138.348388][ T38] internal_create_group+0x9d8/0xb20 [ 138.348388][ T38] ? sysfs_remove_group+0x170/0x170 [ 138.778555][ T38] internal_create_groups.part.0+0x90/0x140 [ 138.778555][ T38] sysfs_create_groups+0x25/0x50 [ 138.778555][ T38] device_add+0x7fd/0x1c40 [ 138.778555][ T38] ? devlink_add_symlinks+0x450/0x450 [ 138.778555][ T38] ? lock_release+0x8e0/0x8e0 [ 138.778555][ T38] ? lock_downgrade+0x830/0x830 [ 138.778555][ T38] ? __schedule+0x88e/0x21e0 [ 138.778555][ T38] ? nd_synchronize+0x20/0x20 [ 138.778555][ T38] nd_async_device_register+0x12/0x80 [ 138.778555][ T38] async_run_entry_fn+0x121/0x530 [ 138.778555][ T38] process_one_work+0x94c/0x1670 [ 138.778555][ T38] ? lock_release+0x8e0/0x8e0 [ 138.778555][ T38] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 138.778555][ T38] ? rwlock_bug.part.0+0x90/0x90 [ 138.778555][ T38] worker_thread+0x64c/0x1120 [ 138.778555][ T38] ? process_one_work+0x1670/0x1670 [ 138.778555][ T38] kthread+0x3b5/0x4a0 [ 138.778555][ T38] ? __kthread_bind_mask+0xc0/0xc0 [ 138.778555][ T38] ? __kthread_bind_mask+0xc0/0xc0 [ 138.778555][ T38] ret_from_fork+0x1f/0x30 [ 138.778555][ T38] [ 138.778555][ T38] The buggy address belongs to the variable: [ 138.778555][ T38] nvdimm_firmware_attributes+0x10/0x40 [ 138.778555][ T38] [ 138.778555][ T38] Memory state around the buggy address: [ 138.778555][ T38] ffffffff8a2e7100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 138.778555][ T38] ffffffff8a2e7180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 138.778555][ T38] >ffffffff8a2e7200: f9 f9 f9 f9 00 00 f9 f9 f9 f9 f9 f9 00 00 00 00 [ 138.778555][ T38] ^ [ 138.778555][ T38] ffffffff8a2e7280: 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 f9 [ 138.778555][ T38] ffffffff8a2e7300: f9 f9 f9 f9 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 [ 138.778555][ T38] ================================================================== [ 138.778555][ T38] Disabling lock debugging due to kernel taint [ 139.785672][ T38] Kernel panic - not syncing: panic_on_warn set ... [ 139.793287][ T38] CPU: 0 PID: 38 Comm: kworker/u17:2 Tainted: G B 5.8.0-syzkaller #0 [ 139.793287][ T38] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 139.793287][ T38] Workqueue: events_unbound async_run_entry_fn [ 139.793287][ T38] Call Trace: [ 139.793287][ T38] dump_stack+0x18f/0x20d [ 139.793287][ T38] ? internal_create_group+0x9a0/0xb20 [ 139.793287][ T38] panic+0x2e3/0x75c [ 139.793287][ T38] ? __warn_printk+0xf3/0xf3 [ 139.793287][ T38] ? preempt_schedule_common+0x59/0xc0 [ 139.793287][ T38] ? internal_create_group+0x9d8/0xb20 [ 139.793287][ T38] ? preempt_schedule_thunk+0x16/0x18 [ 139.793287][ T38] ? trace_hardirqs_on+0x55/0x220 [ 139.793287][ T38] ? internal_create_group+0x9d8/0xb20 [ 139.793287][ T38] ? internal_create_group+0x9d8/0xb20 [ 139.793287][ T38] end_report+0x4d/0x53 [ 139.793287][ T38] kasan_report.cold+0xd/0x37 [ 139.793287][ T38] ? internal_create_group+0x9d8/0xb20 [ 139.793287][ T38] ? state_show+0xf0/0xf0 [ 139.793287][ T38] internal_create_group+0x9d8/0xb20 [ 139.793287][ T38] ? sysfs_remove_group+0x170/0x170 [ 139.793287][ T38] internal_create_groups.part.0+0x90/0x140 [ 139.793287][ T38] sysfs_create_groups+0x25/0x50 [ 139.793287][ T38] device_add+0x7fd/0x1c40 [ 139.793287][ T38] ? devlink_add_symlinks+0x450/0x450 [ 139.793287][ T38] ? lock_release+0x8e0/0x8e0 [ 139.793287][ T38] ? lock_downgrade+0x830/0x830 [ 139.793287][ T38] ? __schedule+0x88e/0x21e0 [ 139.793287][ T38] ? nd_synchronize+0x20/0x20 [ 139.793287][ T38] nd_async_device_register+0x12/0x80 [ 139.793287][ T38] async_run_entry_fn+0x121/0x530 [ 139.793287][ T38] process_one_work+0x94c/0x1670 [ 139.793287][ T38] ? lock_release+0x8e0/0x8e0 [ 139.793287][ T38] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 139.793287][ T38] ? rwlock_bug.part.0+0x90/0x90 [ 139.793287][ T38] worker_thread+0x64c/0x1120 [ 139.793287][ T38] ? process_one_work+0x1670/0x1670 [ 140.778640][ T38] kthread+0x3b5/0x4a0 [ 140.778640][ T38] ? __kthread_bind_mask+0xc0/0xc0 [ 140.778640][ T38] ? __kthread_bind_mask+0xc0/0xc0 [ 140.778640][ T38] ret_from_fork+0x1f/0x30 [ 140.778640][ T38] Kernel Offset: disabled [ 140.778640][ T38] Rebooting in 86400 seconds..