[ 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 [ 0.000417][ T0] kvm-clock: cpu 0, msr becc001, primary cpu clock [ 0.000417][ T0] kvm-clock: using sched offset of 27260631179 cycles [ 0.066187][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.262568][ T0] tsc: Detected 2000.164 MHz processor [ 0.373732][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.459145][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.569440][ T0] found SMP MP-table at [mem 0x000f5a40-0x000f5a4f] [ 0.714864][ T0] check: Scanning 1 areas for low memory corruption [ 0.854257][ T0] ACPI: Early table checksum verification disabled [ 0.924942][ T0] ACPI: RSDP 0x00000000000F5870 000014 (v00 BOCHS ) [ 0.979816][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 1.055440][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 1.132634][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 1.210184][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 1.248684][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 1.318510][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 1.389484][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 1.456394][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 1.536447][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 1.615387][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 1.735442][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 1.779112][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 1.821038][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 1.864518][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 1.908136][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 1.945483][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 1.982733][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 2.022893][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 2.058936][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 2.114272][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 2.165622][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 2.225588][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 2.296208][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 2.395940][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 2.477056][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 2.554006][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 2.618324][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 3.191387][ T0] Zone ranges: [ 3.209256][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 3.251838][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 3.288092][ T0] Normal empty [ 3.303752][ T0] Device empty [ 3.317666][ T0] Movable zone start for each node [ 3.341271][ T0] Early memory node ranges [ 3.360055][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 3.383739][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 3.413387][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 3.444732][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 3.444778][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 3.540999][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 11.947383][ T0] kasan: KernelAddressSanitizer initialized [ 12.118106][ T0] ACPI: PM-Timer IO Port: 0x608 [ 12.184082][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 12.270652][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 12.355687][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 12.429550][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 12.504653][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 12.578498][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 12.647580][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 12.718416][ T0] Using ACPI (MADT) for SMP configuration information [ 12.789172][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 12.852000][ T0] TSC deadline timer available [ 12.910144][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 12.982217][ T0] kvm-guest: KVM setup pv remote TLB flush [ 13.076776][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 13.164602][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 13.263797][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 13.355877][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 13.447433][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 13.527340][ T0] Booting paravirtualized kernel on KVM [ 13.606402][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 13.832905][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 14.200524][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 14.312821][ T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40 [ 14.376219][ T0] kvm-guest: PV spinlocks enabled [ 14.430166][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 14.536859][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 14.607146][ T0] Policy zone: DMA32 [ 14.644308][ 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 [ 15.321946][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 17.573132][ T0] Memory: 1503356K/2096620K available (116743K kernel code, 17667K rwdata, 21628K rodata, 2792K init, 23948K bss, 593008K reserved, 0K cma-reserved) [ 17.856437][ T0] Running RCU self tests [ 17.880195][ T0] rcu: Preemptible hierarchical RCU implementation. [ 17.921356][ T0] rcu: RCU lockdep checking is enabled. [ 17.953474][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 17.999744][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 18.048726][ T0] rcu: RCU debug extended QS entry/exit. [ 18.093509][ T0] All grace periods are expedited (rcu_expedited). [ 18.136564][ T0] Trampoline variant of Tasks RCU enabled. [ 18.167940][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 18.226719][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 18.304548][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 18.430426][ T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0 [ 18.995738][ T0] Console: colour VGA+ 80x25 [ 19.076313][ T0] printk: console [ttyS0] enabled [ 19.076313][ T0] printk: console [ttyS0] enabled [ 19.126258][ T0] printk: bootconsole [earlyser0] disabled [ 19.126258][ T0] printk: bootconsole [earlyser0] disabled [ 19.192590][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 19.242618][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 19.269641][ T0] ... MAX_LOCK_DEPTH: 48 [ 19.296901][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 19.318748][ T0] ... CLASSHASH_SIZE: 4096 [ 19.342533][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 19.373702][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 19.397315][ T0] ... CHAINHASH_SIZE: 32768 [ 19.416214][ T0] memory used by lock dependency info: 6301 kB [ 19.431870][ T0] memory used for stack traces: 4224 kB [ 19.448895][ T0] per task-struct memory footprint: 1920 bytes [ 19.472057][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 19.517032][ T0] ACPI: Core revision 20200717 [ 19.573415][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 19.649609][ T0] APIC: Switch to symmetric I/O mode setup [ 19.690345][ T0] x2apic enabled [ 19.722325][ T0] Switched APIC routing to physical x2apic. [ 19.741678][ T0] kvm-guest: setup PV IPIs [ 19.838997][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 19.859618][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 19.892951][ T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640) [ 19.901166][ T0] pid_max: default: 32768 minimum: 301 [ 19.928752][ T0] LSM: Security Framework initializing [ 19.931732][ T0] LSM: security= is ignored because it is superseded by lsm= [ 19.941833][ T0] Yama: becoming mindful. [ 19.963373][ T0] SELinux: Initializing. [ 19.984426][ T0] TOMOYO Linux initialized [ 19.994190][ T0] LSM support for eBPF active [ 20.025367][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 20.046601][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 20.053040][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 20.061346][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 20.234674][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 20.266531][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 20.271055][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 20.282255][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 20.301209][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 20.302461][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 20.324754][ T0] TAA: Mitigation: Clear CPU buffers [ 20.331062][ T0] MDS: Mitigation: Clear CPU buffers [ 20.522179][ T0] Freeing SMP alternatives memory: 104K [ 21.003656][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 21.063433][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 21.088065][ T1] rcu: Hierarchical SRCU implementation. [ 21.124618][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 21.146024][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 21.194491][ T1] smp: Bringing up secondary CPUs ... [ 21.250438][ T1] x86: Booting SMP configuration: [ 21.253038][ T1] .... node #0, CPUs: #1 [ 1.375969][ T0] kvm-clock: cpu 1, msr becc041, secondary cpu clock [ 21.351040][ T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40 [ 21.383778][ 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. [ 21.392521][ 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. [ 21.426904][ T1] #2 [ 1.375969][ T0] kvm-clock: cpu 2, msr becc081, secondary cpu clock [ 21.507322][ T20] kvm-guest: stealtime: cpu 2, msr 2d020a40 [ 21.563862][ T1] #3 [ 1.375969][ T0] kvm-clock: cpu 3, msr becc0c1, secondary cpu clock [ 21.621515][ T25] kvm-guest: stealtime: cpu 3, msr 2d120a40 [ 21.641967][ T1] smp: Brought up 2 nodes, 4 CPUs [ 21.651426][ T1] smpboot: Max logical packages: 2 [ 21.661118][ T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS) [ 21.773003][ T1] devtmpfs: initialized [ 21.795772][ T1] x86/mm: Memory block size: 128MB [ 21.923341][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 21.931040][ T36] kworker/u17:0 (36) used greatest stack depth: 27656 bytes left [ 21.944798][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 21.970916][ T1] xor: automatically using best checksumming function avx [ 22.001040][ T1] PM: RTC time: 02:02:01, date: 2020-08-15 [ 21.991040][ T39] kworker/u17:0 (39) used greatest stack depth: 27544 bytes left [ 22.053719][ T1] NET: Registered protocol family 16 [ 22.082111][ T1] audit: initializing netlink subsys (disabled) [ 22.112557][ T41] audit: type=2000 audit(1597456919.880:1): state=initialized audit_enabled=0 res=1 [ 22.121040][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 22.121040][ T1] thermal_sys: Registered thermal governor 'user_space' [ 22.131845][ T1] cpuidle: using governor menu [ 22.178223][ T1] NET: Registered protocol family 42 [ 22.244429][ T1] ACPI: bus type PCI registered [ 22.304783][ T1] dca service started, version 1.12.1 [ 22.348234][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 22.402235][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 22.961040][ T1] PCI: Using configuration type 1 for base access [ 23.116240][ T122] kworker/u17:0 (122) used greatest stack depth: 27536 bytes left [ 23.853791][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 24.044682][ T1] cryptd: max_cpu_qlen set to 1000 [ 24.413090][ T1] raid6: avx512x4 gen() 12643 MB/s [ 24.619582][ T1] raid6: avx512x4 xor() 6021 MB/s [ 24.821501][ T1] raid6: avx512x2 gen() 10409 MB/s [ 25.029586][ T1] raid6: avx512x2 xor() 4750 MB/s [ 25.240076][ T1] raid6: avx512x1 gen() 6301 MB/s [ 25.442722][ T1] raid6: avx512x1 xor() 2499 MB/s [ 25.652455][ T1] raid6: avx2x4 gen() 7338 MB/s [ 25.831622][ T1] raid6: avx2x4 xor() 4438 MB/s [ 26.011277][ T1] raid6: avx2x2 gen() 5545 MB/s [ 26.201521][ T1] raid6: avx2x2 xor() 2581 MB/s [ 26.412663][ T1] raid6: avx2x1 gen() 3568 MB/s [ 26.630445][ T1] raid6: avx2x1 xor() 1345 MB/s [ 26.827579][ T1] raid6: sse2x4 gen() 4544 MB/s [ 27.036405][ T1] raid6: sse2x4 xor() 2469 MB/s [ 27.216946][ T1] raid6: sse2x2 gen() 2847 MB/s [ 27.400335][ T1] raid6: sse2x2 xor() 1476 MB/s [ 27.608256][ T1] raid6: sse2x1 gen() 1756 MB/s [ 27.791040][ T1] raid6: sse2x1 xor() 683 MB/s [ 27.835560][ T1] raid6: using algorithm avx512x4 gen() 12643 MB/s [ 27.876491][ T1] raid6: .... xor() 6021 MB/s, rmw enabled [ 27.938155][ T1] raid6: using avx512x2 recovery algorithm [ 28.240392][ T1] ACPI: Added _OSI(Module Device) [ 28.277567][ T1] ACPI: Added _OSI(Processor Device) [ 28.311652][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 28.341207][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 28.361824][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 28.381216][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 28.411364][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 28.594164][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 28.774831][ T1] ACPI: Interpreter enabled [ 28.820877][ T1] ACPI: (supports S0 S3 S4 S5) [ 28.863609][ T1] ACPI: Using IOAPIC for interrupt routing [ 28.904508][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 28.950887][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 29.185957][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 29.205097][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 29.228855][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 29.245661][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 29.284021][ T1] PCI host bridge to bus 0000:00 [ 29.291298][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 29.301623][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 29.311111][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 29.321275][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 29.331111][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 29.341112][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 29.351100][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 29.371138][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 29.383119][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 29.411203][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 [ 29.451040][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref] [ 29.591040][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref] [ 29.641040][ T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff] [ 29.721040][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 29.993060][ T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 [ 30.013661][ T1] pci 0000:00:02.0: reg 0x10: [io 0xc680-0xc69f] [ 30.031040][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 30.051040][ T1] pci 0000:00:02.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref] [ 30.055788][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 30.110564][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 30.125011][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 30.136144][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc600-0xc63f] [ 30.160232][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] [ 30.175523][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 30.183769][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 30.235172][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 30.246582][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 30.255711][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 30.296185][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 30.305894][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf0000-0xfebf3fff] [ 30.356721][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 30.364568][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 30.374906][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 30.395859][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref] [ 30.432153][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 30.453189][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 30.470000][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 30.485369][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 30.502679][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 30.524784][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 30.547016][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 30.560497][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf7000-0xfebf7fff] [ 30.589693][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 30.625160][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 30.635748][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x190 took 19531 usecs [ 30.659818][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 30.685034][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 30.696677][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf8000-0xfebf8fff] [ 30.723238][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 30.763312][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 31.049366][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 31.067731][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 31.077033][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 31.086251][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 31.098047][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 31.106699][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 31.117518][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 31.127979][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 31.132894][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 31.141548][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 31.152113][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 31.161878][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 31.171494][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 31.181527][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 31.192122][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 31.201819][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 31.502221][ T1] iommu: Default domain type: Translated [ 31.564992][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 31.571040][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 31.572635][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 31.581295][ T1] vgaarb: loaded [ 31.644793][ T1440] kworker/u17:1 (1440) used greatest stack depth: 27424 bytes left [ 31.683426][ T1] SCSI subsystem initialized [ 31.732043][ T1] ACPI: bus type USB registered [ 31.747836][ T1] usbcore: registered new interface driver usbfs [ 31.752723][ T1] usbcore: registered new interface driver hub [ 31.764355][ T1] usbcore: registered new device driver usb [ 31.784671][ T1] mc: Linux media interface: v0.10 [ 31.821581][ T1] videodev: Linux video capture interface: v2.00 [ 31.863187][ T1] pps_core: LinuxPPS API ver. 1 registered [ 31.901375][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 31.971750][ T1] PTP clock support registered [ 32.031686][ T1] EDAC MC: Ver: 3.0.0 [ 32.161040][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 32.366013][ T1] Bluetooth: Core ver 2.22 [ 32.406119][ T1] NET: Registered protocol family 31 [ 32.451606][ T1] Bluetooth: HCI device and connection manager initialized [ 32.522575][ T1] Bluetooth: HCI socket layer initialized [ 32.582044][ T1] Bluetooth: L2CAP socket layer initialized [ 32.643817][ T1] Bluetooth: SCO socket layer initialized [ 32.704018][ T1] NET: Registered protocol family 8 [ 32.751872][ T1] NET: Registered protocol family 20 [ 32.811041][ T1] NetLabel: Initializing [ 32.841362][ T1] NetLabel: domain hash size = 128 [ 32.892376][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 32.963315][ T1] NetLabel: unlabeled traffic allowed by default [ 33.038077][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 33.083760][ T1] NET: Registered protocol family 39 [ 33.126783][ T1] PCI: Using ACPI for IRQ routing [ 36.478985][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 36.501419][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 36.541352][ T1] clocksource: Switched to clocksource kvm-clock [ 41.184329][ T1] VFS: Disk quotas dquot_6.6.0 [ 41.220911][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 41.277347][ T1] FS-Cache: Loaded [ 41.309344][ T1] CacheFiles: Loaded [ 41.348941][ T1] TOMOYO: 2.6.0 [ 41.369770][ T1] Mandatory Access Control activated. [ 41.405917][ T1] pnp: PnP ACPI init [ 41.466038][ T1] pnp: PnP ACPI: found 6 devices [ 41.634180][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 41.680980][ T1] NET: Registered protocol family 2 [ 41.740214][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 41.784015][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 41.842786][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 41.899474][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 41.956859][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 42.007078][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 42.037649][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 42.093217][ T1] NET: Registered protocol family 1 [ 42.145205][ T1] RPC: Registered named UNIX socket transport module. [ 42.183864][ T1] RPC: Registered udp transport module. [ 42.212553][ T1] RPC: Registered tcp transport module. [ 42.249444][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 42.313531][ T1] NET: Registered protocol family 44 [ 42.348535][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 42.390545][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 42.439305][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 42.484641][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 42.538524][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 42.578445][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 42.629972][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 42.711380][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 79538 usecs [ 42.804438][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 42.939773][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 166045 usecs [ 43.021597][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 43.088880][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 81900 usecs [ 43.185694][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 43.260946][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 92109 usecs [ 43.346320][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 43.416044][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 83721 usecs [ 43.453336][ T1] PCI: CLS 0 bytes, default 64 [ 43.518890][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 43.565325][ T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB) [ 43.664262][ T1] kvm: no hardware support [ 43.709413][ T1] has_svm: not amd or hygon [ 43.745313][ T1] kvm: no hardware support [ 43.792777][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 43.896028][ T1] clocksource: Switched to clocksource tsc [ 43.954686][ T1] mce: Machine check injector initialized [ 44.067303][ T1] check: Scanning for low memory corruption every 60 seconds [ 44.860657][ T1] Initialise system trusted keyrings [ 44.897623][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 44.936688][ T1] zbud: loaded [ 44.990703][ T1] DLM installed [ 45.012625][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 45.059281][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 45.097374][ T1] NFS: Registering the id_resolver key type [ 45.206540][ C3] hrtimer: interrupt took 43013267 ns [ 45.403151][ T1] Key type id_resolver registered [ 45.456843][ T1] Key type id_legacy registered [ 45.499874][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 45.572462][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 45.985588][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 46.039426][ T1] Key type cifs.spnego registered [ 46.057033][ T1] Key type cifs.idmap registered [ 46.093219][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 46.280172][ T1] fuse: init (API version 7.31) [ 46.440469][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 46.800363][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 46.937203][ T1] 9p: Installing v9fs 9p2000 file system support [ 47.009003][ T1] FS-Cache: Netfs '9p' registered for caching [ 47.099406][ T1] ocfs2: Registered cluster interface o2cb [ 47.174863][ T1] ocfs2: Registered cluster interface user [ 47.239090][ T1] OCFS2 User DLM kernel interface loaded [ 47.435917][ T1] gfs2: GFS2 installed [ 47.775234][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 47.877994][ T1] ceph: loaded (mds proto 32) [ 48.196953][ T1] NET: Registered protocol family 38 [ 48.262875][ T1] async_tx: api initialized (async) [ 48.311033][ T1] Key type asymmetric registered [ 48.361805][ T1] Asymmetric key parser 'x509' registered [ 48.413376][ T1] Asymmetric key parser 'pkcs8' registered [ 48.459678][ T1] Key type pkcs7_test registered [ 48.503513][ T1] Asymmetric key parser 'tpm_parser' registered [ 48.580823][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 48.709961][ T1] io scheduler mq-deadline registered [ 48.767253][ T1] io scheduler kyber registered [ 48.835525][ T1] io scheduler bfq registered [ 49.118970][ T1] hgafb: HGA card not detected. [ 49.169993][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 49.237226][ T1] usbcore: registered new interface driver udlfb [ 49.355240][ T1] uvesafb: failed to execute /sbin/v86d [ 49.409422][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 49.499469][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 49.557624][ T1] uvesafb: vbe_init() failed with -22 [ 49.593961][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 49.675886][ T1] vga16fb: mapped to 0x00000000e1e3442c [ 84.486027][ T1] Console: switching to colour frame buffer device 80x30 [ 137.150287][ T1] fb0: VGA16 VGA frame buffer device [ 137.413757][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 137.544240][ T1] ACPI: Power Button [PWRF] [ 137.916915][ T452] ================================================================== [ 137.921803][ T452] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20 [ 137.921803][ T452] Read of size 8 at addr ffffffff8a2e5c90 by task kworker/u17:8/452 [ 137.921803][ T452] [ 137.921803][ T452] CPU: 3 PID: 452 Comm: kworker/u17:8 Not tainted 5.8.0-syzkaller #0 [ 137.921803][ T452] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 137.921803][ T452] Workqueue: events_unbound async_run_entry_fn [ 137.921803][ T452] Call Trace: [ 137.921803][ T452] dump_stack+0x18f/0x20d [ 137.921803][ T452] ? internal_create_group+0x9d8/0xb20 [ 137.921803][ T452] ? internal_create_group+0x9d8/0xb20 [ 137.921803][ T452] print_address_description.constprop.0.cold+0x5/0x497 [ 137.921803][ T452] ? vprintk_func+0x97/0x1a6 [ 137.921803][ T452] ? internal_create_group+0x9d8/0xb20 [ 137.921803][ T452] ? internal_create_group+0x9d8/0xb20 [ 137.921803][ T452] kasan_report.cold+0x1f/0x37 [ 137.921803][ T452] ? internal_create_group+0x9d8/0xb20 [ 137.921803][ T452] ? state_show+0xf0/0xf0 [ 137.921803][ T452] internal_create_group+0x9d8/0xb20 [ 137.921803][ T452] ? sysfs_remove_group+0x170/0x170 [ 137.921803][ T452] internal_create_groups.part.0+0x90/0x140 [ 137.921803][ T452] sysfs_create_groups+0x25/0x50 [ 137.921803][ T452] device_add+0x7fd/0x1c40 [ 137.921803][ T452] ? devlink_add_symlinks+0x450/0x450 [ 137.921803][ T452] ? lock_release+0x8e0/0x8e0 [ 137.921803][ T452] ? lock_downgrade+0x830/0x830 [ 137.921803][ T452] ? __schedule+0x88e/0x21e0 [ 137.921803][ T452] ? nd_synchronize+0x20/0x20 [ 137.921803][ T452] nd_async_device_register+0x12/0x80 [ 137.921803][ T452] async_run_entry_fn+0x121/0x530 [ 137.921803][ T452] process_one_work+0x94c/0x1670 [ 137.921803][ T452] ? lock_release+0x8e0/0x8e0 [ 137.921803][ T452] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 137.921803][ T452] ? rwlock_bug.part.0+0x90/0x90 [ 137.921803][ T452] worker_thread+0x64c/0x1120 [ 137.921803][ T452] ? process_one_work+0x1670/0x1670 [ 137.921803][ T452] kthread+0x3b5/0x4a0 [ 137.921803][ T452] ? __kthread_bind_mask+0xc0/0xc0 [ 137.921803][ T452] ? __kthread_bind_mask+0xc0/0xc0 [ 137.921803][ T452] ret_from_fork+0x1f/0x30 [ 137.921803][ T452] [ 137.921803][ T452] The buggy address belongs to the variable: [ 137.921803][ T452] nvdimm_firmware_attributes+0x10/0x40 [ 137.921803][ T452] [ 137.921803][ T452] Memory state around the buggy address: [ 137.921803][ T452] ffffffff8a2e5b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 137.921803][ T452] ffffffff8a2e5c00: 00 00 00 00 00 00 00 00 00 00 00 00 f9 f9 f9 f9 [ 137.921803][ T452] >ffffffff8a2e5c80: 00 00 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 f9 [ 137.921803][ T452] ^ [ 137.921803][ T452] ffffffff8a2e5d00: f9 f9 f9 f9 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 [ 137.921803][ T452] ffffffff8a2e5d80: 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 [ 137.921803][ T452] ================================================================== [ 137.921803][ T452] Disabling lock debugging due to kernel taint [ 138.787533][ T452] Kernel panic - not syncing: panic_on_warn set ... [ 138.793777][ T452] CPU: 3 PID: 452 Comm: kworker/u17:8 Tainted: G B 5.8.0-syzkaller #0 [ 138.793777][ T452] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 138.793777][ T452] Workqueue: events_unbound async_run_entry_fn [ 138.793777][ T452] Call Trace: [ 138.793777][ T452] dump_stack+0x18f/0x20d [ 138.793777][ T452] ? internal_create_group+0x970/0xb20 [ 138.793777][ T452] panic+0x2e3/0x75c [ 138.793777][ T452] ? __warn_printk+0xf3/0xf3 [ 138.793777][ T452] ? preempt_schedule_common+0x59/0xc0 [ 138.793777][ T452] ? internal_create_group+0x9d8/0xb20 [ 138.793777][ T452] ? preempt_schedule_thunk+0x16/0x18 [ 138.793777][ T452] ? trace_hardirqs_on+0x55/0x220 [ 138.793777][ T452] ? internal_create_group+0x9d8/0xb20 [ 138.793777][ T452] ? internal_create_group+0x9d8/0xb20 [ 138.793777][ T452] end_report+0x4d/0x53 [ 138.793777][ T452] kasan_report.cold+0xd/0x37 [ 138.793777][ T452] ? internal_create_group+0x9d8/0xb20 [ 138.793777][ T452] ? state_show+0xf0/0xf0 [ 138.793777][ T452] internal_create_group+0x9d8/0xb20 [ 138.793777][ T452] ? sysfs_remove_group+0x170/0x170 [ 138.793777][ T452] internal_create_groups.part.0+0x90/0x140 [ 138.793777][ T452] sysfs_create_groups+0x25/0x50 [ 138.793777][ T452] device_add+0x7fd/0x1c40 [ 138.793777][ T452] ? devlink_add_symlinks+0x450/0x450 [ 138.793777][ T452] ? lock_release+0x8e0/0x8e0 [ 138.793777][ T452] ? lock_downgrade+0x830/0x830 [ 138.793777][ T452] ? __schedule+0x88e/0x21e0 [ 138.793777][ T452] ? nd_synchronize+0x20/0x20 [ 138.793777][ T452] nd_async_device_register+0x12/0x80 [ 138.793777][ T452] async_run_entry_fn+0x121/0x530 [ 138.793777][ T452] process_one_work+0x94c/0x1670 [ 138.793777][ T452] ? lock_release+0x8e0/0x8e0 [ 138.793777][ T452] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 138.793777][ T452] ? rwlock_bug.part.0+0x90/0x90 [ 138.793777][ T452] worker_thread+0x64c/0x1120 [ 138.793777][ T452] ? process_one_work+0x1670/0x1670 [ 138.793777][ T452] kthread+0x3b5/0x4a0 [ 138.793777][ T452] ? __kthread_bind_mask+0xc0/0xc0 [ 138.793777][ T452] ? __kthread_bind_mask+0xc0/0xc0 [ 138.793777][ T452] ret_from_fork+0x1f/0x30 [ 138.793777][ T452] Kernel Offset: disabled [ 138.793777][ T452] Rebooting in 86400 seconds..