[ 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 [ 0.000187][ T0] kvm-clock: cpu 0, msr becc001, primary cpu clock [ 0.000187][ T0] kvm-clock: using sched offset of 35213840410 cycles [ 0.049146][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.195632][ T0] tsc: Detected 2000.164 MHz processor [ 0.297148][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.380776][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.479136][ T0] found SMP MP-table at [mem 0x000f5a40-0x000f5a4f] [ 0.561027][ T0] check: Scanning 1 areas for low memory corruption [ 0.631223][ T0] ACPI: Early table checksum verification disabled [ 0.690343][ T0] ACPI: RSDP 0x00000000000F5870 000014 (v00 BOCHS ) [ 0.739728][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.829820][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.916383][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.983675][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 1.026781][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 1.101460][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 1.165379][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 1.219338][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 1.278828][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 1.332946][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 1.419696][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 1.465788][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 1.502709][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 1.533793][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 1.562002][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 1.590143][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 1.617343][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 1.644322][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 1.665411][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 1.693724][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 1.725614][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 1.756571][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 1.795444][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 1.867730][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 1.904629][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 1.942862][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 1.974745][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 2.136219][ T0] Zone ranges: [ 2.153568][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 2.188056][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 2.232204][ T0] Normal empty [ 2.249783][ T0] Device empty [ 2.269843][ T0] Movable zone start for each node [ 2.297167][ T0] Early memory node ranges [ 2.325399][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 2.368277][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 2.400049][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 2.445301][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 2.445435][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 2.536973][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 6.753376][ T0] kasan: KernelAddressSanitizer initialized [ 6.802155][ T0] ACPI: PM-Timer IO Port: 0x608 [ 6.820489][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 6.852228][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 6.891720][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 6.931359][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 6.964067][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 7.005423][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 7.038573][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 7.065773][ T0] Using ACPI (MADT) for SMP configuration information [ 7.094369][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 7.120525][ T0] TSC deadline timer available [ 7.137993][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 7.173804][ T0] kvm-guest: KVM setup pv remote TLB flush [ 7.221803][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 7.274196][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 7.327234][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 7.370367][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 7.407886][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 7.434005][ T0] Booting paravirtualized kernel on KVM [ 7.457223][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 7.563434][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 7.709979][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 7.761752][ T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40 [ 7.791633][ T0] kvm-guest: PV spinlocks enabled [ 7.814078][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 7.870514][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 7.910978][ T0] Policy zone: DMA32 [ 7.929395][ 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 [ 8.493062][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 9.751708][ T0] Memory: 1503356K/2096620K available (116743K kernel code, 17666K rwdata, 21624K rodata, 2792K init, 23948K bss, 593008K reserved, 0K cma-reserved) [ 9.976780][ T0] Running RCU self tests [ 10.007071][ T0] rcu: Preemptible hierarchical RCU implementation. [ 10.036894][ T0] rcu: RCU lockdep checking is enabled. [ 10.065295][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 10.111586][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 10.155797][ T0] rcu: RCU debug extended QS entry/exit. [ 10.201414][ T0] All grace periods are expedited (rcu_expedited). [ 10.233937][ T0] Trampoline variant of Tasks RCU enabled. [ 10.263939][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 10.308714][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 10.399273][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 10.502505][ T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0 [ 11.032749][ T0] Console: colour VGA+ 80x25 [ 11.139421][ T0] printk: console [ttyS0] enabled [ 11.139421][ T0] printk: console [ttyS0] enabled [ 11.199890][ T0] printk: bootconsole [earlyser0] disabled [ 11.199890][ T0] printk: bootconsole [earlyser0] disabled [ 11.280629][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 11.326862][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 11.353509][ T0] ... MAX_LOCK_DEPTH: 48 [ 11.384062][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 11.451585][ T0] ... CLASSHASH_SIZE: 4096 [ 11.481590][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 11.501668][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 11.527678][ T0] ... CHAINHASH_SIZE: 32768 [ 11.559417][ T0] memory used by lock dependency info: 6301 kB [ 11.595286][ T0] memory used for stack traces: 4224 kB [ 11.628844][ T0] per task-struct memory footprint: 1920 bytes [ 11.733578][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 11.804442][ T0] ACPI: Core revision 20200717 [ 11.893684][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 11.989439][ T0] APIC: Switch to symmetric I/O mode setup [ 12.048230][ T0] x2apic enabled [ 12.079838][ T0] Switched APIC routing to physical x2apic. [ 12.111806][ T0] kvm-guest: setup PV IPIs [ 12.307988][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 12.385987][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 12.521287][ T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640) [ 12.536657][ T0] pid_max: default: 32768 minimum: 301 [ 12.580910][ T0] LSM: Security Framework initializing [ 12.587331][ T0] LSM: security= is ignored because it is superseded by lsm= [ 12.609860][ T0] Yama: becoming mindful. [ 12.638654][ T0] SELinux: Initializing. [ 12.668990][ T0] TOMOYO Linux initialized [ 12.682020][ T0] LSM support for eBPF active [ 12.767606][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 12.801559][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 12.808296][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 12.816959][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 13.121089][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 13.160629][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 13.166007][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 13.189303][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 13.196611][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 13.198778][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 13.220033][ T0] TAA: Mitigation: Clear CPU buffers [ 13.236004][ T0] MDS: Mitigation: Clear CPU buffers [ 13.462132][ T0] Freeing SMP alternatives memory: 104K [ 14.475992][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 14.644319][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 14.705992][ T1] rcu: Hierarchical SRCU implementation. [ 14.792862][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 14.835151][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 14.927051][ T1] smp: Bringing up secondary CPUs ... [ 15.000772][ T1] x86: Booting SMP configuration: [ 15.007320][ T1] .... node #0, CPUs: #1 [ 1.905076][ T0] kvm-clock: cpu 1, msr becc041, secondary cpu clock [ 15.255992][ T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40 [ 15.330295][ 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. [ 15.340161][ 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. [ 15.376739][ T1] #2 [ 1.905076][ T0] kvm-clock: cpu 2, msr becc081, secondary cpu clock [ 15.531835][ T20] kvm-guest: stealtime: cpu 2, msr 2d020a40 [ 15.632296][ T1] #3 [ 1.905076][ T0] kvm-clock: cpu 3, msr becc0c1, secondary cpu clock [ 15.787684][ T25] kvm-guest: stealtime: cpu 3, msr 2d120a40 [ 15.837786][ T1] smp: Brought up 2 nodes, 4 CPUs [ 15.847075][ T1] smpboot: Max logical packages: 2 [ 15.856340][ T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS) [ 16.058232][ T1] devtmpfs: initialized [ 16.165992][ T1] x86/mm: Memory block size: 128MB [ 16.548569][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 16.633006][ T34] kworker/u17:0 (34) used greatest stack depth: 27544 bytes left [ 16.659763][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 16.865640][ T1] xor: automatically using best checksumming function avx [ 16.990913][ T1] PM: RTC time: 22:26:11, date: 2020-08-14 [ 17.155372][ T1] NET: Registered protocol family 16 [ 17.262249][ T1] audit: initializing netlink subsys (disabled) [ 17.367438][ T42] audit: type=2000 audit(1597443968.665:1): state=initialized audit_enabled=0 res=1 [ 17.455992][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 17.456557][ T1] thermal_sys: Registered thermal governor 'user_space' [ 17.569633][ T1] cpuidle: using governor menu [ 17.727654][ T1] NET: Registered protocol family 42 [ 17.845847][ T1] ACPI: bus type PCI registered [ 17.965371][ T1] dca service started, version 1.12.1 [ 18.021824][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 18.137464][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 19.178855][ T1] PCI: Using configuration type 1 for base access [ 20.378297][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 20.611843][ T1] cryptd: max_cpu_qlen set to 1000 [ 21.145992][ T1] raid6: avx512x4 gen() 11321 MB/s [ 21.361273][ T1] raid6: avx512x4 xor() 3493 MB/s [ 21.570792][ T1] raid6: avx512x2 gen() 9932 MB/s [ 21.781996][ T1] raid6: avx512x2 xor() 5030 MB/s [ 21.995795][ T1] raid6: avx512x1 gen() 6637 MB/s [ 22.204075][ T1] raid6: avx512x1 xor() 2687 MB/s [ 22.426950][ T1] raid6: avx2x4 gen() 8277 MB/s [ 22.615919][ T1] raid6: avx2x4 xor() 2352 MB/s [ 22.798253][ T1] raid6: avx2x2 gen() 6575 MB/s [ 22.988448][ T1] raid6: avx2x2 xor() 3104 MB/s [ 23.194012][ T1] raid6: avx2x1 gen() 4375 MB/s [ 23.383665][ T1] raid6: avx2x1 xor() 1670 MB/s [ 23.577216][ T1] raid6: sse2x4 gen() 5192 MB/s [ 23.756675][ T1] raid6: sse2x4 xor() 1139 MB/s [ 23.936394][ T1] raid6: sse2x2 gen() 3035 MB/s [ 24.116299][ T1] raid6: sse2x2 xor() 1466 MB/s [ 24.296491][ T1] raid6: sse2x1 gen() 2026 MB/s [ 24.476485][ T1] raid6: sse2x1 xor() 739 MB/s [ 24.486464][ T1] raid6: using algorithm avx512x4 gen() 11321 MB/s [ 24.496413][ T1] raid6: .... xor() 3493 MB/s, rmw enabled [ 24.507814][ T1] raid6: using avx512x2 recovery algorithm [ 24.544753][ T1] ACPI: Added _OSI(Module Device) [ 24.546701][ T1] ACPI: Added _OSI(Processor Device) [ 24.556632][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 24.566572][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 24.577286][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 24.586778][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 24.596811][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 24.772269][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 25.016719][ T1] ACPI: Interpreter enabled [ 25.214602][ T1] ACPI: (supports S0 S3 S4 S5) [ 25.255992][ T1] ACPI: Using IOAPIC for interrupt routing [ 25.435992][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 25.615992][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 26.274669][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 26.286782][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 26.348283][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 26.361758][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 26.405992][ T1] PCI host bridge to bus 0000:00 [ 26.416687][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 26.426824][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 26.436443][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 26.463113][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 26.472964][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 26.476257][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 26.486524][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 26.497217][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 26.530968][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 26.635890][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 [ 26.685992][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref] [ 26.825992][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref] [ 26.893296][ T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff] [ 27.015992][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 27.359124][ T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 [ 27.428718][ T1] pci 0000:00:02.0: reg 0x10: [io 0xc680-0xc69f] [ 27.511005][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 27.578687][ T1] pci 0000:00:02.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref] [ 27.654123][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 27.756800][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 27.806889][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 27.873607][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc600-0xc63f] [ 27.950687][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] [ 28.041162][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 28.107086][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 28.242588][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 28.294600][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 28.331219][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 28.407078][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 28.430627][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf0000-0xfebf3fff] [ 28.524472][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 28.575507][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 28.623902][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 28.719613][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref] [ 28.862239][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 28.971387][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 29.093606][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 29.195170][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 29.298721][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 29.424464][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 29.532812][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 29.619526][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf7000-0xfebf7fff] [ 29.724316][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 29.842393][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 29.915253][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x190 took 78125 usecs [ 30.022932][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 30.144290][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 30.235833][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf8000-0xfebf8fff] [ 30.379837][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 30.521443][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 30.925992][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 31.036755][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 31.132654][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 31.201534][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 31.272476][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 31.344130][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 31.423283][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 31.481617][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 31.548086][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 31.596718][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 31.637339][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 31.676570][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 31.716566][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 31.756491][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 31.786724][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 31.816513][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 32.075094][ T1] iommu: Default domain type: Translated [ 32.155955][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 32.155992][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 32.156495][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 32.166328][ T1] vgaarb: loaded [ 32.252416][ T1438] kworker/u17:8 (1438) used greatest stack depth: 27424 bytes left [ 32.319469][ T1] SCSI subsystem initialized [ 32.377522][ T1] ACPI: bus type USB registered [ 32.448507][ T1] usbcore: registered new interface driver usbfs [ 32.509927][ T1] usbcore: registered new interface driver hub [ 32.549713][ T1] usbcore: registered new device driver usb [ 32.596991][ T1] mc: Linux media interface: v0.10 [ 32.627422][ T1] videodev: Linux video capture interface: v2.00 [ 32.685978][ T1] pps_core: LinuxPPS API ver. 1 registered [ 32.716305][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 32.786904][ T1] PTP clock support registered [ 32.856959][ T1] EDAC MC: Ver: 3.0.0 [ 32.975732][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 33.155992][ T1] Bluetooth: Core ver 2.22 [ 33.202660][ T1] NET: Registered protocol family 31 [ 33.247353][ T1] Bluetooth: HCI device and connection manager initialized [ 33.303730][ T1] Bluetooth: HCI socket layer initialized [ 33.348207][ T1] Bluetooth: L2CAP socket layer initialized [ 33.389322][ T1] Bluetooth: SCO socket layer initialized [ 33.437889][ T1] NET: Registered protocol family 8 [ 33.466303][ T1] NET: Registered protocol family 20 [ 33.515520][ T1] NetLabel: Initializing [ 33.546601][ T1] NetLabel: domain hash size = 128 [ 33.586213][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 33.653151][ T1] NetLabel: unlabeled traffic allowed by default [ 33.721176][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 33.768689][ T1] NET: Registered protocol family 39 [ 33.820551][ T1] PCI: Using ACPI for IRQ routing [ 42.131048][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 42.185014][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 42.289336][ T1] clocksource: Switched to clocksource kvm-clock [ 47.642700][ T1] VFS: Disk quotas dquot_6.6.0 [ 47.729581][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 47.983351][ T1] FS-Cache: Loaded [ 48.215584][ T1] CacheFiles: Loaded [ 48.447329][ C0] hrtimer: interrupt took 111771130 ns [ 48.450887][ C3] hrtimer: interrupt took 137474108 ns [ 49.314662][ T1] TOMOYO: 2.6.0 [ 49.427867][ T1] Mandatory Access Control activated. [ 50.035040][ T1] pnp: PnP ACPI init [ 50.741823][ T1] pnp: PnP ACPI: found 6 devices [ 51.366305][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 51.458351][ T1] NET: Registered protocol family 2 [ 51.598849][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 51.660764][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 51.743403][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 51.822965][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 51.913644][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 51.991541][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 52.064246][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 52.161341][ T1] NET: Registered protocol family 1 [ 52.245077][ T1] RPC: Registered named UNIX socket transport module. [ 52.303442][ T1] RPC: Registered udp transport module. [ 52.357323][ T1] RPC: Registered tcp transport module. [ 52.420166][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 52.544802][ T1] NET: Registered protocol family 44 [ 52.613730][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 52.672255][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 52.714629][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 52.758243][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 52.819285][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 53.176870][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 53.545862][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 53.686870][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 158209 usecs [ 54.075749][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 54.464918][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 666661 usecs [ 54.555992][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 54.635945][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 99173 usecs [ 54.735473][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 54.814788][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 120518 usecs [ 54.893442][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 55.061869][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 180582 usecs [ 55.168900][ T1] PCI: CLS 0 bytes, default 64 [ 55.514705][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 55.618611][ T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB) [ 56.064994][ T1] kvm: no hardware support [ 56.166926][ T1] has_svm: not amd or hygon [ 56.243220][ T1] kvm: no hardware support [ 56.335520][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 56.571536][ T1] clocksource: Switched to clocksource tsc [ 56.742167][ T1] mce: Machine check injector initialized [ 57.182834][ T1] check: Scanning for low memory corruption every 60 seconds [ 58.933947][ T1] Initialise system trusted keyrings [ 59.068248][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 59.655961][ T1] zbud: loaded [ 60.246320][ T1] DLM installed [ 60.605004][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 60.819072][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 60.970088][ T1] NFS: Registering the id_resolver key type [ 61.040948][ T1] Key type id_resolver registered [ 61.082576][ T1] Key type id_legacy registered [ 61.140834][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 61.221398][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 61.376599][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 61.477182][ T1] Key type cifs.spnego registered [ 61.529117][ T1] Key type cifs.idmap registered [ 61.610400][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 61.793048][ T1] fuse: init (API version 7.31) [ 61.874644][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 62.065787][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 62.174590][ T1] 9p: Installing v9fs 9p2000 file system support [ 62.232872][ T1] FS-Cache: Netfs '9p' registered for caching [ 62.301324][ T1] ocfs2: Registered cluster interface o2cb [ 62.362662][ T1] ocfs2: Registered cluster interface user [ 62.413065][ T1] OCFS2 User DLM kernel interface loaded [ 62.543207][ T1] gfs2: GFS2 installed [ 62.610099][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 62.655162][ T1] ceph: loaded (mds proto 32) [ 62.894787][ T1] NET: Registered protocol family 38 [ 62.954684][ T1] async_tx: api initialized (async) [ 63.007998][ T1] Key type asymmetric registered [ 63.069757][ T1] Asymmetric key parser 'x509' registered [ 63.148857][ T1] Asymmetric key parser 'pkcs8' registered [ 63.222053][ T1] Key type pkcs7_test registered [ 63.283769][ T1] Asymmetric key parser 'tpm_parser' registered [ 63.371325][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 63.491835][ T1] io scheduler mq-deadline registered [ 63.540090][ T1] io scheduler kyber registered [ 63.590957][ T1] io scheduler bfq registered [ 63.833037][ T1] hgafb: HGA card not detected. [ 63.883631][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 63.939820][ T1] usbcore: registered new interface driver udlfb [ 64.028441][ T1] uvesafb: failed to execute /sbin/v86d [ 64.065055][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 64.121488][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 64.180546][ T1] uvesafb: vbe_init() failed with -22 [ 64.217392][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 64.264594][ T1] vga16fb: mapped to 0x00000000e833c7d8 [ 112.496226][ T1] Console: switching to colour frame buffer device 80x30 [ 150.258585][ T1] fb0: VGA16 VGA frame buffer device [ 150.454294][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 150.555576][ T1] ACPI: Power Button [PWRF] [ 150.927989][ T299] ================================================================== [ 150.936361][ T299] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20 [ 150.936361][ T299] Read of size 8 at addr ffffffff8a2e5bd0 by task kworker/u17:6/299 [ 150.936361][ T299] [ 150.936361][ T299] CPU: 0 PID: 299 Comm: kworker/u17:6 Not tainted 5.8.0-syzkaller #0 [ 150.936361][ T299] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 150.936361][ T299] Workqueue: events_unbound async_run_entry_fn [ 150.936361][ T299] Call Trace: [ 150.936361][ T299] dump_stack+0x18f/0x20d [ 150.936361][ T299] ? internal_create_group+0x9d8/0xb20 [ 150.936361][ T299] ? internal_create_group+0x9d8/0xb20 [ 150.936361][ T299] print_address_description.constprop.0.cold+0x5/0x497 [ 150.936361][ T299] ? vprintk_func+0x97/0x1a6 [ 150.936361][ T299] ? internal_create_group+0x9d8/0xb20 [ 150.936361][ T299] ? internal_create_group+0x9d8/0xb20 [ 150.936361][ T299] kasan_report.cold+0x1f/0x37 [ 150.936361][ T299] ? internal_create_group+0x9d8/0xb20 [ 150.936361][ T299] ? state_show+0xf0/0xf0 [ 150.936361][ T299] internal_create_group+0x9d8/0xb20 [ 150.936361][ T299] ? sysfs_remove_group+0x170/0x170 [ 150.936361][ T299] internal_create_groups.part.0+0x90/0x140 [ 150.936361][ T299] sysfs_create_groups+0x25/0x50 [ 150.936361][ T299] device_add+0x7fd/0x1c40 [ 150.936361][ T299] ? devlink_add_symlinks+0x450/0x450 [ 150.936361][ T299] ? lock_release+0x8e0/0x8e0 [ 150.936361][ T299] ? lock_downgrade+0x830/0x830 [ 150.936361][ T299] ? __schedule+0x88e/0x21e0 [ 150.936361][ T299] ? nd_synchronize+0x20/0x20 [ 150.936361][ T299] nd_async_device_register+0x12/0x80 [ 150.936361][ T299] async_run_entry_fn+0x121/0x530 [ 150.936361][ T299] process_one_work+0x94c/0x1670 [ 150.936361][ T299] ? lock_release+0x8e0/0x8e0 [ 150.936361][ T299] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 150.936361][ T299] ? rwlock_bug.part.0+0x90/0x90 [ 150.936361][ T299] worker_thread+0x64c/0x1120 [ 150.936361][ T299] ? process_one_work+0x1670/0x1670 [ 150.936361][ T299] kthread+0x3b5/0x4a0 [ 150.936361][ T299] ? __kthread_bind_mask+0xc0/0xc0 [ 150.936361][ T299] ? __kthread_bind_mask+0xc0/0xc0 [ 150.936361][ T299] ret_from_fork+0x1f/0x30 [ 150.936361][ T299] [ 150.936361][ T299] The buggy address belongs to the variable: [ 150.936361][ T299] nvdimm_firmware_attributes+0x10/0x40 [ 150.936361][ T299] [ 150.936361][ T299] Memory state around the buggy address: [ 150.936361][ T299] ffffffff8a2e5a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 150.936361][ T299] ffffffff8a2e5b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 150.936361][ T299] >ffffffff8a2e5b80: 00 00 00 00 f9 f9 f9 f9 00 00 f9 f9 f9 f9 f9 f9 [ 150.936361][ T299] ^ [ 150.936361][ T299] ffffffff8a2e5c00: 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 [ 150.936361][ T299] ffffffff8a2e5c80: 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 f9 [ 150.936361][ T299] ================================================================== [ 150.936361][ T299] Disabling lock debugging due to kernel taint [ 152.454371][ T299] Kernel panic - not syncing: panic_on_warn set ... [ 152.461494][ T299] CPU: 0 PID: 299 Comm: kworker/u17:6 Tainted: G B 5.8.0-syzkaller #0 [ 152.461494][ T299] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 152.461494][ T299] Workqueue: events_unbound async_run_entry_fn [ 152.461494][ T299] Call Trace: [ 152.461494][ T299] dump_stack+0x18f/0x20d [ 152.461494][ T299] ? internal_create_group+0x900/0xb20 [ 152.461494][ T299] panic+0x2e3/0x75c [ 152.461494][ T299] ? __warn_printk+0xf3/0xf3 [ 152.461494][ T299] ? preempt_schedule_common+0x59/0xc0 [ 152.461494][ T299] ? internal_create_group+0x9d8/0xb20 [ 152.461494][ T299] ? preempt_schedule_thunk+0x16/0x18 [ 152.461494][ T299] ? trace_hardirqs_on+0x55/0x220 [ 152.461494][ T299] ? internal_create_group+0x9d8/0xb20 [ 152.461494][ T299] ? internal_create_group+0x9d8/0xb20 [ 152.461494][ T299] end_report+0x4d/0x53 [ 152.461494][ T299] kasan_report.cold+0xd/0x37 [ 152.461494][ T299] ? internal_create_group+0x9d8/0xb20 [ 152.461494][ T299] ? state_show+0xf0/0xf0 [ 152.461494][ T299] internal_create_group+0x9d8/0xb20 [ 152.461494][ T299] ? sysfs_remove_group+0x170/0x170 [ 152.461494][ T299] internal_create_groups.part.0+0x90/0x140 [ 152.461494][ T299] sysfs_create_groups+0x25/0x50 [ 152.461494][ T299] device_add+0x7fd/0x1c40 [ 152.461494][ T299] ? devlink_add_symlinks+0x450/0x450 [ 152.461494][ T299] ? lock_release+0x8e0/0x8e0 [ 152.461494][ T299] ? lock_downgrade+0x830/0x830 [ 152.461494][ T299] ? __schedule+0x88e/0x21e0 [ 152.461494][ T299] ? nd_synchronize+0x20/0x20 [ 152.461494][ T299] nd_async_device_register+0x12/0x80 [ 152.461494][ T299] async_run_entry_fn+0x121/0x530 [ 152.461494][ T299] process_one_work+0x94c/0x1670 [ 152.461494][ T299] ? lock_release+0x8e0/0x8e0 [ 152.461494][ T299] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 152.461494][ T299] ? rwlock_bug.part.0+0x90/0x90 [ 152.461494][ T299] worker_thread+0x64c/0x1120 [ 152.461494][ T299] ? process_one_work+0x1670/0x1670 [ 152.461494][ T299] kthread+0x3b5/0x4a0 [ 152.461494][ T299] ? __kthread_bind_mask+0xc0/0xc0 [ 152.461494][ T299] ? __kthread_bind_mask+0xc0/0xc0 [ 152.461494][ T299] ret_from_fork+0x1f/0x30 [ 152.461494][ T299] Kernel Offset: disabled [ 152.461494][ T299] Rebooting in 86400 seconds..