[ 0.000000][ T0] Linux version 5.9.0-rc2-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=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor,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 [ 0.000037][ T0] kvm-clock: cpu 0, msr bed2001, primary cpu clock [ 0.000037][ T0] kvm-clock: using sched offset of 15227371812 cycles [ 0.014543][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.053760][ T0] tsc: Detected 2000.164 MHz processor [ 0.083805][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.105440][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.140863][ T0] found SMP MP-table at [mem 0x000f5a50-0x000f5a5f] [ 0.159642][ T0] check: Scanning 1 areas for low memory corruption [ 0.183830][ T0] ACPI: Early table checksum verification disabled [ 0.202513][ T0] ACPI: RSDP 0x00000000000F5880 000014 (v00 BOCHS ) [ 0.216593][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.237512][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.257382][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.281127][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.293655][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.313437][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.335875][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.356332][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.375319][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.393467][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.422203][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.434456][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.444889][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.455370][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.466138][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 0.477041][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 0.487271][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 0.497226][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 0.507731][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.521446][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 0.534475][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 0.547383][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 0.564045][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 0.591418][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.612901][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.650731][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.680832][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.854815][ T0] Zone ranges: [ 0.863668][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.891186][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.920764][ T0] Normal empty [ 0.937264][ T0] Device empty [ 0.949899][ T0] Movable zone start for each node [ 0.966048][ T0] Early memory node ranges [ 0.981565][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 1.005038][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 1.027962][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.049475][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 1.049509][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 1.102689][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 3.672788][ T0] kasan: KernelAddressSanitizer initialized [ 3.761613][ T0] ACPI: PM-Timer IO Port: 0x608 [ 3.792756][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 3.834416][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 3.876093][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 3.920126][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 3.957302][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 4.000823][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 4.040765][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 4.077852][ T0] Using ACPI (MADT) for SMP configuration information [ 4.108906][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 4.137241][ T0] TSC deadline timer available [ 4.159726][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 4.201255][ T0] kvm-guest: KVM setup pv remote TLB flush [ 4.234558][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 4.274807][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 4.313524][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 4.359531][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 4.407349][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 4.436403][ T0] Booting paravirtualized kernel on KVM [ 4.475422][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 4.589081][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 4.663503][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 4.699322][ T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40 [ 4.721266][ T0] kvm-guest: PV spinlocks enabled [ 4.734917][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 4.761085][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 4.781852][ T0] Policy zone: DMA32 [ 4.792328][ 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=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor,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 [ 5.004456][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 6.061370][ T0] Memory: 1503356K/2096620K available (116743K kernel code, 17681K rwdata, 21640K rodata, 2792K init, 23924K bss, 593008K reserved, 0K cma-reserved) [ 6.357548][ T0] Running RCU self tests [ 6.393605][ T0] rcu: Preemptible hierarchical RCU implementation. [ 6.447291][ T0] rcu: RCU lockdep checking is enabled. [ 6.484844][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 6.520069][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 6.567251][ T0] rcu: RCU debug extended QS entry/exit. [ 6.600240][ T0] All grace periods are expedited (rcu_expedited). [ 6.638168][ T0] Trampoline variant of Tasks RCU enabled. [ 6.678324][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 6.731463][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 6.815247][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 6.913351][ T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0 [ 7.373481][ T0] Console: colour VGA+ 80x25 [ 7.442482][ T0] printk: console [ttyS0] enabled [ 7.442482][ T0] printk: console [ttyS0] enabled [ 7.477147][ T0] printk: bootconsole [earlyser0] disabled [ 7.477147][ T0] printk: bootconsole [earlyser0] disabled [ 7.509334][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 7.529862][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 7.542284][ T0] ... MAX_LOCK_DEPTH: 48 [ 7.557529][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 7.575356][ T0] ... CLASSHASH_SIZE: 4096 [ 7.593357][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 7.608281][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 7.623502][ T0] ... CHAINHASH_SIZE: 32768 [ 7.636082][ T0] memory used by lock dependency info: 6301 kB [ 7.651633][ T0] memory used for stack traces: 4224 kB [ 7.668824][ T0] per task-struct memory footprint: 1920 bytes [ 7.695897][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 7.735842][ T0] ACPI: Core revision 20200717 [ 7.765236][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 7.807455][ T0] APIC: Switch to symmetric I/O mode setup [ 7.845045][ T0] x2apic enabled [ 7.877297][ T0] Switched APIC routing to physical x2apic. [ 7.897494][ T0] kvm-guest: setup PV IPIs [ 7.970147][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 7.993571][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 8.026484][ T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640) [ 8.036987][ T0] pid_max: default: 32768 minimum: 301 [ 8.050977][ T0] LSM: Security Framework initializing [ 8.056061][ T0] LSM: security= is ignored because it is superseded by lsm= [ 8.067281][ T0] Yama: becoming mindful. [ 8.079299][ T0] TOMOYO Linux initialized [ 8.101097][ T0] AppArmor: AppArmor initialized [ 8.105729][ T0] LSM support for eBPF active [ 8.134733][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 8.156913][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 8.167669][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 8.175965][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 8.307081][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 8.351277][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 8.355700][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 8.367250][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 8.376437][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 8.376661][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 8.398329][ T0] TAA: Mitigation: Clear CPU buffers [ 8.405726][ T0] MDS: Mitigation: Clear CPU buffers [ 8.569761][ T0] Freeing SMP alternatives memory: 104K [ 8.859825][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 8.899321][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 8.916333][ T1] rcu: Hierarchical SRCU implementation. [ 8.938596][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 8.952391][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 8.977314][ T1] smp: Bringing up secondary CPUs ... [ 9.009941][ T1] x86: Booting SMP configuration: [ 9.016324][ T1] .... node #0, CPUs: #1 [ 1.023315][ T0] kvm-clock: cpu 1, msr bed2041, secondary cpu clock [ 9.109290][ T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40 [ 9.147142][ 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. [ 9.155787][ 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. [ 9.183617][ T1] #2 [ 1.023315][ T0] kvm-clock: cpu 2, msr bed2081, secondary cpu clock [ 9.230726][ T20] kvm-guest: stealtime: cpu 2, msr 2d020a40 [ 9.259697][ T1] #3 [ 1.023315][ T0] kvm-clock: cpu 3, msr bed20c1, secondary cpu clock [ 9.306379][ T25] kvm-guest: stealtime: cpu 3, msr 2d120a40 [ 9.327233][ T1] smp: Brought up 2 nodes, 4 CPUs [ 9.335908][ T1] smpboot: Max logical packages: 2 [ 9.345887][ T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS) [ 9.403800][ T1] devtmpfs: initialized [ 9.432996][ T1] x86/mm: Memory block size: 128MB [ 9.566316][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 9.594937][ T33] kworker/u17:0 (33) used greatest stack depth: 27544 bytes left [ 9.602133][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 9.662436][ T1] xor: automatically using best checksumming function avx [ 9.706641][ T1] PM: RTC time: 21:50:10, date: 2020-08-23 [ 9.739008][ T1] NET: Registered protocol family 16 [ 9.772512][ T1] audit: initializing netlink subsys (disabled) [ 9.803593][ T39] audit: type=2000 audit(1598219409.363:1): state=initialized audit_enabled=0 res=1 [ 9.808480][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 9.808480][ T1] thermal_sys: Registered thermal governor 'user_space' [ 9.859289][ T1] cpuidle: using governor menu [ 9.912849][ T1] NET: Registered protocol family 42 [ 9.946526][ T1] ACPI: bus type PCI registered [ 9.986727][ T1] dca service started, version 1.12.1 [ 10.023465][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 10.056169][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 10.512465][ T1] PCI: Using configuration type 1 for base access [ 10.813485][ T489] kworker/u17:4 (489) used greatest stack depth: 27368 bytes left [ 11.250066][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 11.370268][ T1] cryptd: max_cpu_qlen set to 1000 [ 11.656164][ T1] raid6: avx512x4 gen() 10403 MB/s [ 11.840343][ T1] raid6: avx512x4 xor() 3985 MB/s [ 12.045710][ T1] raid6: avx512x2 gen() 8101 MB/s [ 12.215974][ T1] raid6: avx512x2 xor() 4814 MB/s [ 12.412330][ T1] raid6: avx512x1 gen() 6735 MB/s [ 12.594996][ T1] raid6: avx512x1 xor() 2730 MB/s [ 12.774565][ T1] raid6: avx2x4 gen() 8616 MB/s [ 12.958460][ T1] raid6: avx2x4 xor() 4247 MB/s [ 13.142824][ T1] raid6: avx2x2 gen() 5808 MB/s [ 13.326086][ T1] raid6: avx2x2 xor() 2541 MB/s [ 13.505854][ T1] raid6: avx2x1 gen() 3671 MB/s [ 13.686093][ T1] raid6: avx2x1 xor() 1478 MB/s [ 13.866180][ T1] raid6: sse2x4 gen() 4524 MB/s [ 14.045803][ T1] raid6: sse2x4 xor() 2483 MB/s [ 14.221664][ T1] raid6: sse2x2 gen() 2863 MB/s [ 14.404734][ T1] raid6: sse2x2 xor() 1532 MB/s [ 14.585596][ T1] raid6: sse2x1 gen() 1883 MB/s [ 14.763740][ T1] raid6: sse2x1 xor() 751 MB/s [ 14.765770][ T1] raid6: using algorithm avx512x4 gen() 10403 MB/s [ 14.785757][ T1] raid6: .... xor() 3985 MB/s, rmw enabled [ 14.796158][ T1] raid6: using avx512x2 recovery algorithm [ 14.818807][ T1] ACPI: Added _OSI(Module Device) [ 14.825781][ T1] ACPI: Added _OSI(Processor Device) [ 14.835470][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 14.845811][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 14.855802][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 14.865795][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 14.885812][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 14.978955][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 15.096630][ T1] ACPI: Interpreter enabled [ 15.121068][ T1] ACPI: (supports S0 S3 S4 S5) [ 15.136525][ T1] ACPI: Using IOAPIC for interrupt routing [ 15.155820][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 15.191730][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 15.409486][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 15.428474][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 15.472977][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 15.500452][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 15.546236][ T1] PCI host bridge to bus 0000:00 [ 15.566067][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 15.596251][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 15.615862][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 15.635863][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 15.665829][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 15.685941][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 15.715864][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 15.736021][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 15.773861][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 15.859334][ T1] pci 0000:00:01.0: [1234:1111] type 00 class 0x030000 [ 15.995685][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfd000000-0xfdffffff pref] [ 16.115685][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfebf8000-0xfebf8fff] [ 16.295685][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 16.720277][ T1] pci 0000:00:02.0: [8086:10d3] type 00 class 0x020000 [ 16.745685][ T1] pci 0000:00:02.0: reg 0x10: [mem 0xfeb80000-0xfeb9ffff] [ 16.751862][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfeba0000-0xfebbffff] [ 16.762928][ T1] pci 0000:00:02.0: reg 0x18: [io 0xc680-0xc69f] [ 16.771087][ T1] pci 0000:00:02.0: reg 0x1c: [mem 0xfebf0000-0xfebf3fff] [ 16.794067][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb00000-0xfeb3ffff pref] [ 16.890495][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 16.934458][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 16.980851][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc600-0xc63f] [ 17.041751][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 17.095834][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 17.130518][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 17.167589][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 17.199724][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 17.218415][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 17.256074][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 17.278690][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf4000-0xfebf7fff] [ 17.325066][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 17.350047][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 17.368660][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf9000-0xfebf9fff] [ 17.385685][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe000000-0xfe003fff 64bit pref] [ 17.436818][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 17.467344][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 17.487208][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 17.516582][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 17.545556][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 17.581104][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 17.630443][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 17.660357][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebfa000-0xfebfafff] [ 17.707487][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 17.757609][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 17.809676][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x190 took 48828 usecs [ 17.842997][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 17.881388][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 17.908772][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebfb000-0xfebfbfff] [ 17.941737][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 17.978496][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 18.115685][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 18.154513][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 18.178725][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 18.198433][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 18.229037][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 18.249116][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 18.278582][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 18.299207][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 18.316649][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 18.336289][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 18.356226][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 18.376141][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 18.396114][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 18.416241][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 18.446464][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 18.466154][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 18.584782][ T1] iommu: Default domain type: Translated [ 18.620948][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 18.625685][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 18.695818][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 18.726335][ T1] vgaarb: loaded [ 18.817607][ T1] SCSI subsystem initialized [ 18.864961][ T1] ACPI: bus type USB registered [ 18.890313][ T1] usbcore: registered new interface driver usbfs [ 18.927743][ T1] usbcore: registered new interface driver hub [ 18.946987][ T1] usbcore: registered new device driver usb [ 18.984344][ T1] mc: Linux media interface: v0.10 [ 18.996146][ T1] videodev: Linux video capture interface: v2.00 [ 19.020554][ T1] pps_core: LinuxPPS API ver. 1 registered [ 19.035934][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 19.066529][ T1] PTP clock support registered [ 19.105835][ T1] EDAC MC: Ver: 3.0.0 [ 19.163454][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 19.221092][ T1] Bluetooth: Core ver 2.22 [ 19.237327][ T1] NET: Registered protocol family 31 [ 19.255897][ T1] Bluetooth: HCI device and connection manager initialized [ 19.276385][ T1] Bluetooth: HCI socket layer initialized [ 19.305900][ T1] Bluetooth: L2CAP socket layer initialized [ 19.326049][ T1] Bluetooth: SCO socket layer initialized [ 19.336157][ T1] NET: Registered protocol family 8 [ 19.345778][ T1] NET: Registered protocol family 20 [ 19.369434][ T1] NetLabel: Initializing [ 19.385832][ T1] NetLabel: domain hash size = 128 [ 19.395788][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 19.419322][ T1] NetLabel: unlabeled traffic allowed by default [ 19.446051][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 19.456721][ T1] NET: Registered protocol family 39 [ 19.477340][ T1] PCI: Using ACPI for IRQ routing [ 21.886525][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 21.915891][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 21.975685][ T1] clocksource: Switched to clocksource kvm-clock [ 25.864377][ T1] VFS: Disk quotas dquot_6.6.0 [ 25.903769][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 25.956274][ T1] FS-Cache: Loaded [ 25.985215][ T1] CacheFiles: Loaded [ 26.013937][ T1] TOMOYO: 2.6.0 [ 26.030025][ T1] Mandatory Access Control activated. [ 26.052870][ T1] AppArmor: AppArmor Filesystem Enabled [ 26.084087][ T1] pnp: PnP ACPI init [ 26.134505][ T1] pnp: PnP ACPI: found 6 devices [ 26.284327][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 26.319947][ T1] NET: Registered protocol family 2 [ 26.378947][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 26.430170][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 26.460812][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 26.489490][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 26.524015][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 26.552297][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 26.584978][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 26.626571][ T1] NET: Registered protocol family 1 [ 26.671952][ T1] RPC: Registered named UNIX socket transport module. [ 26.698362][ T1] RPC: Registered udp transport module. [ 26.720569][ T1] RPC: Registered tcp transport module. [ 26.744480][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 26.774529][ T1] NET: Registered protocol family 44 [ 26.799184][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 26.823860][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 26.844580][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 26.876307][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 26.903180][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 26.933350][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 26.963104][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 26.992357][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 29814 usecs [ 27.073818][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 27.135777][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 99777 usecs [ 27.171525][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 27.210037][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 53237 usecs [ 27.243345][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 27.275348][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 45626 usecs [ 27.313653][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 27.349960][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 49280 usecs [ 27.373305][ T1] PCI: CLS 0 bytes, default 64 [ 27.420742][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 27.439683][ T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB) [ 27.481322][ T1] kvm: no hardware support [ 27.501382][ T1] has_svm: not amd or hygon [ 27.514577][ T1] kvm: no hardware support [ 27.526984][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 27.558302][ T1] clocksource: Switched to clocksource tsc [ 27.593413][ T1] mce: Machine check injector initialized [ 27.641281][ T1] check: Scanning for low memory corruption every 60 seconds [ 27.955460][ T1] Initialise system trusted keyrings [ 27.991750][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 28.032520][ T1] zbud: loaded [ 28.072341][ T1] DLM installed [ 28.090244][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 28.126865][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 28.162111][ T1] NFS: Registering the id_resolver key type [ 28.187844][ T1] Key type id_resolver registered [ 28.207065][ T1] Key type id_legacy registered [ 28.235653][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 28.268185][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 28.314995][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 28.342876][ T1] Key type cifs.spnego registered [ 28.363290][ T1] Key type cifs.idmap registered [ 28.389375][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 28.410059][ T1] fuse: init (API version 7.31) [ 28.435670][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 28.529908][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 28.591487][ T1] 9p: Installing v9fs 9p2000 file system support [ 28.620279][ T1] FS-Cache: Netfs '9p' registered for caching [ 28.663293][ T1] ocfs2: Registered cluster interface o2cb [ 28.690316][ T1] ocfs2: Registered cluster interface user [ 28.715446][ T1] OCFS2 User DLM kernel interface loaded [ 28.781408][ T1] gfs2: GFS2 installed [ 28.838773][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 28.865175][ T1] ceph: loaded (mds proto 32) [ 28.924289][ T1] NET: Registered protocol family 38 [ 28.949907][ T1] async_tx: api initialized (async) [ 28.979849][ T1] Key type asymmetric registered [ 28.996926][ T1] Asymmetric key parser 'x509' registered [ 29.020075][ T1] Asymmetric key parser 'pkcs8' registered [ 29.039249][ T1] Key type pkcs7_test registered [ 29.055186][ T1] Asymmetric key parser 'tpm_parser' registered [ 29.078320][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 29.111063][ T1] io scheduler mq-deadline registered [ 29.127907][ T1] io scheduler kyber registered [ 29.142691][ T1] io scheduler bfq registered [ 29.200298][ T1] hgafb: HGA card not detected. [ 29.214743][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 29.235468][ T1] usbcore: registered new interface driver udlfb [ 29.273314][ T1] uvesafb: failed to execute /sbin/v86d [ 29.297007][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 29.333706][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 29.364045][ T1] uvesafb: vbe_init() failed with -22 [ 29.382700][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 29.422667][ T1] vga16fb: mapped to 0x0000000052812aa8 [ 49.961835][ T1] Console: switching to colour frame buffer device 80x30 [ 77.284932][ T1] fb0: VGA16 VGA frame buffer device [ 77.572935][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 77.692661][ T1] ACPI: Power Button [PWRF] [ 78.192030][ T32] ================================================================== [ 78.197158][ T32] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20 [ 78.197158][ T32] Read of size 8 at addr ffffffff8a2e8cf0 by task kworker/u17:1/32 [ 78.197158][ T32] [ 78.197158][ T32] CPU: 1 PID: 32 Comm: kworker/u17:1 Not tainted 5.9.0-rc2-syzkaller #0 [ 78.197158][ T32] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 78.197158][ T32] Workqueue: events_unbound async_run_entry_fn [ 78.197158][ T32] Call Trace: [ 78.197158][ T32] dump_stack+0x18f/0x20d [ 78.197158][ T32] ? internal_create_group+0x9d8/0xb20 [ 78.197158][ T32] ? internal_create_group+0x9d8/0xb20 [ 78.197158][ T32] print_address_description.constprop.0.cold+0x5/0x497 [ 78.197158][ T32] ? vprintk_func+0x97/0x1a6 [ 78.197158][ T32] ? internal_create_group+0x9d8/0xb20 [ 78.197158][ T32] ? internal_create_group+0x9d8/0xb20 [ 78.197158][ T32] kasan_report.cold+0x1f/0x37 [ 78.197158][ T32] ? internal_create_group+0x9d8/0xb20 [ 78.197158][ T32] ? state_show+0xf0/0xf0 [ 78.197158][ T32] internal_create_group+0x9d8/0xb20 [ 78.197158][ T32] ? sysfs_remove_group+0x170/0x170 [ 78.197158][ T32] internal_create_groups.part.0+0x90/0x140 [ 78.197158][ T32] sysfs_create_groups+0x25/0x50 [ 78.197158][ T32] device_add+0x7fd/0x1c40 [ 78.197158][ T32] ? devlink_add_symlinks+0x450/0x450 [ 78.197158][ T32] ? lock_release+0x8e0/0x8e0 [ 78.197158][ T32] ? lock_downgrade+0x830/0x830 [ 78.866321][ T32] ? nd_synchronize+0x20/0x20 [ 78.866321][ T32] nd_async_device_register+0x12/0x80 [ 78.866321][ T32] async_run_entry_fn+0x121/0x530 [ 78.866321][ T32] process_one_work+0x94c/0x1670 [ 78.866321][ T32] ? lock_release+0x8e0/0x8e0 [ 78.866321][ T32] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 78.866321][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 78.866321][ T32] worker_thread+0x64c/0x1120 [ 78.866321][ T32] ? process_one_work+0x1670/0x1670 [ 78.866321][ T32] kthread+0x3b5/0x4a0 [ 78.866321][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 78.866321][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 78.866321][ T32] ret_from_fork+0x1f/0x30 [ 78.866321][ T32] [ 78.866321][ T32] The buggy address belongs to the variable: [ 78.866321][ T32] nvdimm_firmware_attributes+0x10/0x40 [ 78.866321][ T32] [ 78.866321][ T32] Memory state around the buggy address: [ 78.866321][ T32] ffffffff8a2e8b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 78.866321][ T32] ffffffff8a2e8c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 78.866321][ T32] >ffffffff8a2e8c80: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 f9 f9 [ 78.866321][ T32] ^ [ 78.866321][ T32] ffffffff8a2e8d00: f9 f9 f9 f9 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 [ 78.866321][ T32] ffffffff8a2e8d80: 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 [ 78.866321][ T32] ================================================================== [ 78.866321][ T32] Disabling lock debugging due to kernel taint [ 79.429907][ T32] Kernel panic - not syncing: panic_on_warn set ... [ 79.438697][ T32] CPU: 1 PID: 32 Comm: kworker/u17:1 Tainted: G B 5.9.0-rc2-syzkaller #0 [ 79.438697][ T32] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 79.438697][ T32] Workqueue: events_unbound async_run_entry_fn [ 79.438697][ T32] Call Trace: [ 79.438697][ T32] dump_stack+0x18f/0x20d [ 79.438697][ T32] ? internal_create_group+0x910/0xb20 [ 79.438697][ T32] panic+0x2e3/0x75c [ 79.438697][ T32] ? __warn_printk+0xf3/0xf3 [ 79.438697][ T32] ? preempt_schedule_common+0x59/0xc0 [ 79.438697][ T32] ? internal_create_group+0x9d8/0xb20 [ 79.438697][ T32] ? preempt_schedule_thunk+0x16/0x18 [ 79.438697][ T32] ? trace_hardirqs_on+0x55/0x220 [ 79.438697][ T32] ? internal_create_group+0x9d8/0xb20 [ 79.438697][ T32] ? internal_create_group+0x9d8/0xb20 [ 79.438697][ T32] end_report+0x4d/0x53 [ 79.438697][ T32] kasan_report.cold+0xd/0x37 [ 79.438697][ T32] ? internal_create_group+0x9d8/0xb20 [ 79.438697][ T32] ? state_show+0xf0/0xf0 [ 79.438697][ T32] internal_create_group+0x9d8/0xb20 [ 79.438697][ T32] ? sysfs_remove_group+0x170/0x170 [ 79.438697][ T32] internal_create_groups.part.0+0x90/0x140 [ 79.438697][ T32] sysfs_create_groups+0x25/0x50 [ 79.438697][ T32] device_add+0x7fd/0x1c40 [ 79.438697][ T32] ? devlink_add_symlinks+0x450/0x450 [ 79.438697][ T32] ? lock_release+0x8e0/0x8e0 [ 79.438697][ T32] ? lock_downgrade+0x830/0x830 [ 79.438697][ T32] ? nd_synchronize+0x20/0x20 [ 79.438697][ T32] nd_async_device_register+0x12/0x80 [ 79.438697][ T32] async_run_entry_fn+0x121/0x530 [ 79.438697][ T32] process_one_work+0x94c/0x1670 [ 79.438697][ T32] ? lock_release+0x8e0/0x8e0 [ 79.438697][ T32] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 79.438697][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 79.438697][ T32] worker_thread+0x64c/0x1120 [ 79.438697][ T32] ? process_one_work+0x1670/0x1670 [ 79.438697][ T32] kthread+0x3b5/0x4a0 [ 79.438697][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 79.438697][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 79.438697][ T32] ret_from_fork+0x1f/0x30 [ 79.438697][ T32] Kernel Offset: disabled [ 79.438697][ T32] Rebooting in 86400 seconds..