[ 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 [ 0.000068][ T0] kvm-clock: cpu 0, msr becf001, primary cpu clock [ 0.000069][ T0] kvm-clock: using sched offset of 21717382528 cycles [ 0.028561][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.088272][ T0] tsc: Detected 2000.164 MHz processor [ 0.130504][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.155768][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.196884][ T0] found SMP MP-table at [mem 0x000f5a40-0x000f5a4f] [ 0.221139][ T0] check: Scanning 1 areas for low memory corruption [ 0.248950][ T0] ACPI: Early table checksum verification disabled [ 0.271004][ T0] ACPI: RSDP 0x00000000000F5870 000014 (v00 BOCHS ) [ 0.291174][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.318959][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.346793][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.378831][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.399829][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.434999][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.463878][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.490287][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.519624][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.548067][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.583125][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.598112][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.616304][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.634128][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.651126][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 0.669783][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 0.691367][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 0.711928][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 0.736746][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.770842][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 0.803000][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 0.827030][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 0.855451][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 0.898973][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.930130][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.961701][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.989126][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 1.182431][ T0] Zone ranges: [ 1.194988][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 1.220342][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 1.244376][ T0] Normal empty [ 1.258017][ T0] Device empty [ 1.271679][ T0] Movable zone start for each node [ 1.291433][ T0] Early memory node ranges [ 1.314429][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 1.345281][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 1.372317][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.400157][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 1.400172][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 1.477771][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 4.815097][ T0] kasan: KernelAddressSanitizer initialized [ 4.876095][ T0] ACPI: PM-Timer IO Port: 0x608 [ 4.902478][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 4.942967][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 4.981239][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 5.012800][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 5.045224][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 5.076760][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 5.112190][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 5.146197][ T0] Using ACPI (MADT) for SMP configuration information [ 5.177298][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 5.206563][ T0] TSC deadline timer available [ 5.227523][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 5.258554][ T0] kvm-guest: KVM setup pv remote TLB flush [ 5.287658][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 5.322261][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 5.367324][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 5.414635][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 5.450143][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 5.469943][ T0] Booting paravirtualized kernel on KVM [ 5.486018][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 5.572574][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 5.640255][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 5.669564][ T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40 [ 5.690023][ T0] kvm-guest: PV spinlocks enabled [ 5.707652][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 5.741240][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 5.766273][ T0] Policy zone: DMA32 [ 5.777552][ 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 [ 6.004239][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 6.639846][ T0] Memory: 1503356K/2096620K available (116743K kernel code, 17674K rwdata, 21636K rodata, 2792K init, 23936K bss, 593008K reserved, 0K cma-reserved) [ 6.785368][ T0] Running RCU self tests [ 6.801782][ T0] rcu: Preemptible hierarchical RCU implementation. [ 6.823995][ T0] rcu: RCU lockdep checking is enabled. [ 6.848850][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 6.877580][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 6.902776][ T0] rcu: RCU debug extended QS entry/exit. [ 6.921626][ T0] All grace periods are expedited (rcu_expedited). [ 6.943686][ T0] Trampoline variant of Tasks RCU enabled. [ 6.960063][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 6.981653][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 7.019944][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 7.070243][ T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0 [ 7.345730][ T0] Console: colour VGA+ 80x25 [ 7.395748][ T0] printk: console [ttyS0] enabled [ 7.395748][ T0] printk: console [ttyS0] enabled [ 7.431851][ T0] printk: bootconsole [earlyser0] disabled [ 7.431851][ T0] printk: bootconsole [earlyser0] disabled [ 7.467516][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 7.495375][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 7.510097][ T0] ... MAX_LOCK_DEPTH: 48 [ 7.526843][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 7.560224][ T0] ... CLASSHASH_SIZE: 4096 [ 7.589566][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 7.620510][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 7.648013][ T0] ... CHAINHASH_SIZE: 32768 [ 7.678475][ T0] memory used by lock dependency info: 6301 kB [ 7.728040][ T0] memory used for stack traces: 4224 kB [ 7.770077][ T0] per task-struct memory footprint: 1920 bytes [ 7.822232][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 7.917797][ T0] ACPI: Core revision 20200717 [ 8.001451][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 8.117838][ T0] APIC: Switch to symmetric I/O mode setup [ 8.194276][ T0] x2apic enabled [ 8.247731][ T0] Switched APIC routing to physical x2apic. [ 8.294515][ T0] kvm-guest: setup PV IPIs [ 8.426412][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 8.457198][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 8.499331][ T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640) [ 8.511157][ T0] pid_max: default: 32768 minimum: 301 [ 8.536545][ T0] LSM: Security Framework initializing [ 8.538697][ T0] LSM: security= is ignored because it is superseded by lsm= [ 8.549548][ T0] Yama: becoming mindful. [ 8.563134][ T0] SELinux: Initializing. [ 8.579355][ T0] TOMOYO Linux initialized [ 8.591018][ T0] LSM support for eBPF active [ 8.625236][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 8.641591][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 8.662692][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 8.669180][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 8.805043][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 8.834576][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 8.838372][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 8.850293][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 8.858848][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 8.858965][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 8.880541][ T0] TAA: Mitigation: Clear CPU buffers [ 8.888405][ T0] MDS: Mitigation: Clear CPU buffers [ 8.976630][ T0] Freeing SMP alternatives memory: 104K [ 9.378358][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 9.458820][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 9.486730][ T1] rcu: Hierarchical SRCU implementation. [ 9.521074][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 9.548358][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 9.602235][ T1] smp: Bringing up secondary CPUs ... [ 9.666983][ T1] x86: Booting SMP configuration: [ 9.669891][ T1] .... node #0, CPUs: #1 [ 1.323096][ T0] kvm-clock: cpu 1, msr becf041, secondary cpu clock [ 9.798973][ T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40 [ 9.842368][ 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. [ 9.851911][ 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. [ 9.887946][ T1] #2 [ 1.323096][ T0] kvm-clock: cpu 2, msr becf081, secondary cpu clock [ 9.971324][ T20] kvm-guest: stealtime: cpu 2, msr 2d020a40 [ 10.021988][ T1] #3 [ 1.323096][ T0] kvm-clock: cpu 3, msr becf0c1, secondary cpu clock [ 10.092047][ T25] kvm-guest: stealtime: cpu 3, msr 2d120a40 [ 10.119660][ T1] smp: Brought up 2 nodes, 4 CPUs [ 10.128566][ T1] smpboot: Max logical packages: 2 [ 10.138520][ T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS) [ 10.251475][ T1] devtmpfs: initialized [ 10.283754][ T1] x86/mm: Memory block size: 128MB [ 10.444963][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 10.548358][ T33] kworker/u17:0 (33) used greatest stack depth: 27656 bytes left [ 10.551288][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 10.580722][ T1] xor: automatically using best checksumming function avx [ 10.609770][ T1] PM: RTC time: 18:49:11, date: 2020-08-16 [ 10.650230][ T1] NET: Registered protocol family 16 [ 10.680085][ T1] audit: initializing netlink subsys (disabled) [ 10.690920][ T41] audit: type=2000 audit(1597603749.788:1): state=initialized audit_enabled=0 res=1 [ 10.738195][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 10.738535][ T1] thermal_sys: Registered thermal governor 'user_space' [ 10.761401][ T1] cpuidle: using governor menu [ 10.782785][ T1] NET: Registered protocol family 42 [ 10.810648][ T1] ACPI: bus type PCI registered [ 10.832956][ T1] dca service started, version 1.12.1 [ 10.846601][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 10.848853][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 11.247252][ T1] PCI: Using configuration type 1 for base access [ 11.417087][ T268] kworker/u17:4 (268) used greatest stack depth: 27544 bytes left [ 11.484147][ T392] kworker/u17:6 (392) used greatest stack depth: 27472 bytes left [ 11.738358][ T993] kworker/u17:8 (993) used greatest stack depth: 26832 bytes left [ 11.851468][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 11.969429][ T1] cryptd: max_cpu_qlen set to 1000 [ 12.230751][ T1] raid6: avx512x4 gen() 14645 MB/s [ 12.428886][ T1] raid6: avx512x4 xor() 6228 MB/s [ 12.614140][ T1] raid6: avx512x2 gen() 11751 MB/s [ 12.804975][ T1] raid6: avx512x2 xor() 5706 MB/s [ 12.983172][ T1] raid6: avx512x1 gen() 7644 MB/s [ 13.160136][ T1] raid6: avx512x1 xor() 3008 MB/s [ 13.340431][ T1] raid6: avx2x4 gen() 9352 MB/s [ 13.538358][ T1] raid6: avx2x4 xor() 4912 MB/s [ 13.724372][ T1] raid6: avx2x2 gen() 6674 MB/s [ 13.899894][ T1] raid6: avx2x2 xor() 2798 MB/s [ 14.080205][ T1] raid6: avx2x1 gen() 3809 MB/s [ 14.287413][ T1] raid6: avx2x1 xor() 1418 MB/s [ 14.474484][ T1] raid6: sse2x4 gen() 4539 MB/s [ 14.668296][ T1] raid6: sse2x4 xor() 2547 MB/s [ 14.840150][ T1] raid6: sse2x2 gen() 2916 MB/s [ 15.030741][ T1] raid6: sse2x2 xor() 1430 MB/s [ 15.226291][ T1] raid6: sse2x1 gen() 1505 MB/s [ 15.410098][ T1] raid6: sse2x1 xor() 689 MB/s [ 15.438489][ T1] raid6: using algorithm avx512x4 gen() 14645 MB/s [ 15.468471][ T1] raid6: .... xor() 6228 MB/s, rmw enabled [ 15.489311][ T1] raid6: using avx512x2 recovery algorithm [ 15.548706][ T1] ACPI: Added _OSI(Module Device) [ 15.578648][ T1] ACPI: Added _OSI(Processor Device) [ 15.608671][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 15.638483][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 15.668767][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 15.698726][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 15.728623][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 15.880312][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 16.093593][ T1] ACPI: Interpreter enabled [ 16.157225][ T1] ACPI: (supports S0 S3 S4 S5) [ 16.189785][ T1] ACPI: Using IOAPIC for interrupt routing [ 16.237970][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 16.318298][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 16.686670][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 16.754358][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 16.834389][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 16.883070][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 16.972303][ T1] PCI host bridge to bus 0000:00 [ 17.008999][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 17.059001][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 17.108802][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 17.158835][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 17.189077][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 17.218619][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 17.238488][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 17.278600][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 17.305705][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 17.366606][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 [ 17.478358][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref] [ 17.588358][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref] [ 17.688358][ T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff] [ 17.787154][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 18.048358][ T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 [ 18.089800][ T1] pci 0000:00:02.0: reg 0x10: [io 0xc680-0xc69f] [ 18.167975][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 18.218358][ T1] pci 0000:00:02.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref] [ 18.262779][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 18.360396][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 18.407270][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 18.443716][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc600-0xc63f] [ 18.515701][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] [ 18.571480][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 18.613855][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 18.668964][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 18.726300][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 18.774253][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 18.855638][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 18.894495][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf0000-0xfebf3fff] [ 18.961335][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 18.995175][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 19.022150][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 19.071683][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref] [ 19.137106][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 19.172717][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 19.210078][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 19.254420][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 19.308359][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 19.367284][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 19.414722][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 19.442612][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf7000-0xfebf7fff] [ 19.490416][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 19.550700][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 19.592136][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x190 took 48828 usecs [ 19.643375][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 19.676777][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 19.701116][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf8000-0xfebf8fff] [ 19.758578][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 19.824025][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 20.041547][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 20.078967][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 20.112483][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 20.132094][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 20.161705][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 20.183437][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 20.211869][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 20.241531][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 20.269321][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 20.288924][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 20.298999][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 20.319272][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 20.348793][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 20.368808][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 20.388805][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 20.419213][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 20.660267][ T1] iommu: Default domain type: Translated [ 20.755979][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 20.758789][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 20.838985][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 20.878674][ T1] vgaarb: loaded [ 20.972891][ T1] SCSI subsystem initialized [ 21.016837][ T1] ACPI: bus type USB registered [ 21.027053][ T1] usbcore: registered new interface driver usbfs [ 21.030716][ T1] usbcore: registered new interface driver hub [ 21.040469][ T1] usbcore: registered new device driver usb [ 21.055233][ T1] mc: Linux media interface: v0.10 [ 21.062315][ T1] videodev: Linux video capture interface: v2.00 [ 21.085303][ T1] pps_core: LinuxPPS API ver. 1 registered [ 21.098497][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 21.129217][ T1] PTP clock support registered [ 21.161700][ T1] EDAC MC: Ver: 3.0.0 [ 21.222424][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 21.322713][ T1] Bluetooth: Core ver 2.22 [ 21.330611][ T1] NET: Registered protocol family 31 [ 21.348463][ T1] Bluetooth: HCI device and connection manager initialized [ 21.369098][ T1] Bluetooth: HCI socket layer initialized [ 21.388528][ T1] Bluetooth: L2CAP socket layer initialized [ 21.418977][ T1] Bluetooth: SCO socket layer initialized [ 21.439234][ T1] NET: Registered protocol family 8 [ 21.448539][ T1] NET: Registered protocol family 20 [ 21.470762][ T1] NetLabel: Initializing [ 21.488504][ T1] NetLabel: domain hash size = 128 [ 21.498500][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 21.535075][ T1] NetLabel: unlabeled traffic allowed by default [ 21.572246][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 21.589599][ T1] NET: Registered protocol family 39 [ 21.610204][ T1] PCI: Using ACPI for IRQ routing [ 24.580624][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 24.598510][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 24.649688][ T1] clocksource: Switched to clocksource kvm-clock [ 28.790201][ T1] VFS: Disk quotas dquot_6.6.0 [ 28.814917][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 28.853235][ T1] FS-Cache: Loaded [ 28.880593][ T1] CacheFiles: Loaded [ 28.901204][ T1] TOMOYO: 2.6.0 [ 28.912218][ T1] Mandatory Access Control activated. [ 28.931536][ T1] pnp: PnP ACPI init [ 28.998072][ T1] pnp: PnP ACPI: found 6 devices [ 29.137527][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 29.354124][ T1] NET: Registered protocol family 2 [ 29.442822][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 29.483996][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 29.530814][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 29.569476][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 29.641086][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 29.674856][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 29.701553][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 29.733582][ T1] NET: Registered protocol family 1 [ 29.880215][ T1] RPC: Registered named UNIX socket transport module. [ 29.903562][ T1] RPC: Registered udp transport module. [ 29.920986][ T1] RPC: Registered tcp transport module. [ 29.939927][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 30.054501][ T1] NET: Registered protocol family 44 [ 30.086865][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 30.108771][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 30.126947][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 30.146522][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 30.172088][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 30.201966][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 30.248248][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 30.307715][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 60974 usecs [ 30.445289][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 30.587942][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 227694 usecs [ 30.661777][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 30.715299][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 68751 usecs [ 30.780787][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 30.820590][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 51730 usecs [ 30.872694][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 30.943799][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 84178 usecs [ 30.987710][ T1] PCI: CLS 0 bytes, default 64 [ 31.080856][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 31.113110][ T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB) [ 31.188808][ T1] kvm: no hardware support [ 31.208144][ T1] has_svm: not amd or hygon [ 31.227184][ T1] kvm: no hardware support [ 31.244662][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 31.279616][ T1] clocksource: Switched to clocksource tsc [ 31.298077][ T1] mce: Machine check injector initialized [ 31.367721][ T1] check: Scanning for low memory corruption every 60 seconds [ 31.944438][ T1] Initialise system trusted keyrings [ 32.051728][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 32.109202][ T1] zbud: loaded [ 32.216070][ T1] DLM installed [ 32.235838][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 32.284827][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 32.327441][ T1] NFS: Registering the id_resolver key type [ 32.347366][ T1] Key type id_resolver registered [ 32.366970][ T1] Key type id_legacy registered [ 32.386919][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 32.412890][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 32.481138][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 32.532436][ T1] Key type cifs.spnego registered [ 32.560085][ T1] Key type cifs.idmap registered [ 32.582285][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 32.604699][ T1] fuse: init (API version 7.31) [ 32.636666][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 32.759045][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 32.810649][ T1] 9p: Installing v9fs 9p2000 file system support [ 32.833594][ T1] FS-Cache: Netfs '9p' registered for caching [ 32.858466][ T1] ocfs2: Registered cluster interface o2cb [ 32.884996][ T1] ocfs2: Registered cluster interface user [ 32.907165][ T1] OCFS2 User DLM kernel interface loaded [ 32.971426][ T1] gfs2: GFS2 installed [ 33.015149][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 33.034874][ T1] ceph: loaded (mds proto 32) [ 33.102666][ T1] NET: Registered protocol family 38 [ 33.128346][ T1] async_tx: api initialized (async) [ 33.145726][ T1] Key type asymmetric registered [ 33.166342][ T1] Asymmetric key parser 'x509' registered [ 33.182496][ T1] Asymmetric key parser 'pkcs8' registered [ 33.204537][ T1] Key type pkcs7_test registered [ 33.219795][ T1] Asymmetric key parser 'tpm_parser' registered [ 33.240161][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 33.278033][ T1] io scheduler mq-deadline registered [ 33.297242][ T1] io scheduler kyber registered [ 33.320067][ T1] io scheduler bfq registered [ 33.391288][ T1] hgafb: HGA card not detected. [ 33.407647][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 33.427617][ T1] usbcore: registered new interface driver udlfb [ 33.468629][ T1] uvesafb: failed to execute /sbin/v86d [ 33.489489][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 33.513520][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 33.535497][ T1] uvesafb: vbe_init() failed with -22 [ 33.549494][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 33.570543][ T1] vga16fb: mapped to 0x000000008994ee94 [ 59.398172][ T1] Console: switching to colour frame buffer device 80x30 [ 102.484025][ C0] hrtimer: interrupt took 86657663 ns [ 103.070662][ T1] fb0: VGA16 VGA frame buffer device [ 103.303264][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 103.476525][ T1] ACPI: Power Button [PWRF] [ 104.087298][ T7] ================================================================== [ 104.089712][ T7] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20 [ 104.089712][ T7] Read of size 8 at addr ffffffff8a2e73d0 by task kworker/u17:0/7 [ 104.089712][ T7] [ 104.089712][ T7] CPU: 1 PID: 7 Comm: kworker/u17:0 Not tainted 5.8.0-syzkaller #0 [ 104.089712][ T7] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 104.089712][ T7] Workqueue: events_unbound async_run_entry_fn [ 104.089712][ T7] Call Trace: [ 104.089712][ T7] dump_stack+0x18f/0x20d [ 104.089712][ T7] ? internal_create_group+0x9d8/0xb20 [ 104.089712][ T7] ? internal_create_group+0x9d8/0xb20 [ 104.089712][ T7] print_address_description.constprop.0.cold+0x5/0x497 [ 104.089712][ T7] ? vprintk_func+0x97/0x1a6 [ 104.089712][ T7] ? internal_create_group+0x9d8/0xb20 [ 104.089712][ T7] ? internal_create_group+0x9d8/0xb20 [ 104.089712][ T7] kasan_report.cold+0x1f/0x37 [ 104.089712][ T7] ? internal_create_group+0x9d8/0xb20 [ 104.089712][ T7] ? state_show+0xf0/0xf0 [ 104.089712][ T7] internal_create_group+0x9d8/0xb20 [ 104.089712][ T7] ? sysfs_remove_group+0x170/0x170 [ 104.089712][ T7] internal_create_groups.part.0+0x90/0x140 [ 104.089712][ T7] sysfs_create_groups+0x25/0x50 [ 104.089712][ T7] device_add+0x7fd/0x1c40 [ 104.089712][ T7] ? devlink_add_symlinks+0x450/0x450 [ 104.089712][ T7] ? lock_release+0x8e0/0x8e0 [ 104.768909][ T7] ? lock_downgrade+0x830/0x830 [ 104.768909][ T7] ? __schedule+0x88e/0x21e0 [ 104.768909][ T7] ? nd_synchronize+0x20/0x20 [ 104.768909][ T7] nd_async_device_register+0x12/0x80 [ 104.768909][ T7] async_run_entry_fn+0x121/0x530 [ 104.768909][ T7] process_one_work+0x94c/0x1670 [ 104.768909][ T7] ? lock_release+0x8e0/0x8e0 [ 104.768909][ T7] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 104.768909][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 104.768909][ T7] worker_thread+0x64c/0x1120 [ 104.768909][ T7] ? process_one_work+0x1670/0x1670 [ 104.768909][ T7] kthread+0x3b5/0x4a0 [ 104.768909][ T7] ? __kthread_bind_mask+0xc0/0xc0 [ 104.768909][ T7] ? __kthread_bind_mask+0xc0/0xc0 [ 104.768909][ T7] ret_from_fork+0x1f/0x30 [ 104.768909][ T7] [ 104.768909][ T7] The buggy address belongs to the variable: [ 104.768909][ T7] nvdimm_firmware_attributes+0x10/0x40 [ 104.768909][ T7] [ 104.768909][ T7] Memory state around the buggy address: [ 104.768909][ T7] ffffffff8a2e7280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 104.768909][ T7] ffffffff8a2e7300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 104.768909][ T7] >ffffffff8a2e7380: 00 00 00 00 f9 f9 f9 f9 00 00 f9 f9 f9 f9 f9 f9 [ 104.768909][ T7] ^ [ 104.768909][ T7] ffffffff8a2e7400: 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 [ 104.768909][ T7] ffffffff8a2e7480: 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 f9 [ 104.768909][ T7] ================================================================== [ 104.768909][ T7] Disabling lock debugging due to kernel taint [ 105.219084][ T7] Kernel panic - not syncing: panic_on_warn set ... [ 105.228608][ T7] CPU: 1 PID: 7 Comm: kworker/u17:0 Tainted: G B 5.8.0-syzkaller #0 [ 105.228608][ T7] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 105.228608][ T7] Workqueue: events_unbound async_run_entry_fn [ 105.228608][ T7] Call Trace: [ 105.228608][ T7] dump_stack+0x18f/0x20d [ 105.228608][ T7] ? internal_create_group+0x8f0/0xb20 [ 105.228608][ T7] panic+0x2e3/0x75c [ 105.228608][ T7] ? __warn_printk+0xf3/0xf3 [ 105.228608][ T7] ? preempt_schedule_common+0x59/0xc0 [ 105.228608][ T7] ? internal_create_group+0x9d8/0xb20 [ 105.228608][ T7] ? preempt_schedule_thunk+0x16/0x18 [ 105.228608][ T7] ? trace_hardirqs_on+0x55/0x220 [ 105.228608][ T7] ? internal_create_group+0x9d8/0xb20 [ 105.228608][ T7] ? internal_create_group+0x9d8/0xb20 [ 105.228608][ T7] end_report+0x4d/0x53 [ 105.228608][ T7] kasan_report.cold+0xd/0x37 [ 105.228608][ T7] ? internal_create_group+0x9d8/0xb20 [ 105.228608][ T7] ? state_show+0xf0/0xf0 [ 105.228608][ T7] internal_create_group+0x9d8/0xb20 [ 105.228608][ T7] ? sysfs_remove_group+0x170/0x170 [ 105.228608][ T7] internal_create_groups.part.0+0x90/0x140 [ 105.228608][ T7] sysfs_create_groups+0x25/0x50 [ 105.228608][ T7] device_add+0x7fd/0x1c40 [ 105.228608][ T7] ? devlink_add_symlinks+0x450/0x450 [ 105.228608][ T7] ? lock_release+0x8e0/0x8e0 [ 105.228608][ T7] ? lock_downgrade+0x830/0x830 [ 105.228608][ T7] ? __schedule+0x88e/0x21e0 [ 105.228608][ T7] ? nd_synchronize+0x20/0x20 [ 105.228608][ T7] nd_async_device_register+0x12/0x80 [ 105.228608][ T7] async_run_entry_fn+0x121/0x530 [ 105.228608][ T7] process_one_work+0x94c/0x1670 [ 105.228608][ T7] ? lock_release+0x8e0/0x8e0 [ 105.228608][ T7] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 105.228608][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 105.228608][ T7] worker_thread+0x64c/0x1120 [ 105.228608][ T7] ? process_one_work+0x1670/0x1670 [ 105.228608][ T7] kthread+0x3b5/0x4a0 [ 105.228608][ T7] ? __kthread_bind_mask+0xc0/0xc0 [ 105.228608][ T7] ? __kthread_bind_mask+0xc0/0xc0 [ 105.228608][ T7] ret_from_fork+0x1f/0x30 [ 105.228608][ T7] Kernel Offset: disabled [ 105.228608][ T7] Rebooting in 86400 seconds..