[ 0.000000][ T0] Linux version 5.9.0-rc1-syzkaller (syzkaller@syzkaller) (gcc (GCC) 10.1.0-syz 20200507, GNU ld (GNU Binutils for Debian) 2.28) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor,bpf ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 rcupdate.rcu_expedited=1 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] Centaur CentaurHauls [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: xstate_offset[5]: 1088, xstate_sizes[5]: 64 [ 0.000000][ T0] x86/fpu: xstate_offset[6]: 1152, xstate_sizes[6]: 512 [ 0.000000][ T0] x86/fpu: xstate_offset[7]: 1664, xstate_sizes[7]: 1024 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2688 bytes, using 'standard' format. [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x000000007ffdcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000007ffdd000-0x000000007fffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.8 present. [ 0.000000][ T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000036][ T0] kvm-clock: cpu 0, msr bed1001, primary cpu clock [ 0.000036][ T0] kvm-clock: using sched offset of 13843464510 cycles [ 0.013088][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.046505][ T0] tsc: Detected 2000.164 MHz processor [ 0.069586][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.085499][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.115589][ T0] found SMP MP-table at [mem 0x000f5a50-0x000f5a5f] [ 0.132043][ T0] check: Scanning 1 areas for low memory corruption [ 0.156612][ T0] ACPI: Early table checksum verification disabled [ 0.172740][ T0] ACPI: RSDP 0x00000000000F5880 000014 (v00 BOCHS ) [ 0.185232][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.208158][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.229083][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.245962][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.254979][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.281254][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.296549][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.309815][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.327430][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.341068][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.359935][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.369234][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.378208][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.389288][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.397542][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 0.407024][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 0.416387][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 0.425432][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 0.436580][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.447429][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 0.458349][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 0.470638][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 0.484001][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 0.503709][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.516657][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.530908][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 0.544424][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 0.778897][ T0] Zone ranges: [ 0.787291][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.803418][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.817932][ T0] Normal empty [ 0.825495][ T0] Device empty [ 0.833654][ T0] Movable zone start for each node [ 0.844294][ T0] Early memory node ranges [ 0.852413][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.866134][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 0.877382][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.889524][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 0.889539][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 0.921143][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 9.078657][ T0] kasan: KernelAddressSanitizer initialized [ 9.121479][ T0] ACPI: PM-Timer IO Port: 0x608 [ 9.132351][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 9.150921][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 9.164036][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 9.175594][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 9.186319][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 9.200298][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 9.214629][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 9.226824][ T0] Using ACPI (MADT) for SMP configuration information [ 9.236975][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 9.248707][ T0] TSC deadline timer available [ 9.259640][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 9.270571][ T0] kvm-guest: KVM setup pv remote TLB flush [ 9.282407][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 9.295652][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 9.308068][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 9.320898][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 9.337763][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 9.354876][ T0] Booting paravirtualized kernel on KVM [ 9.370333][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 9.454285][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 9.559129][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 9.591483][ T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40 [ 9.606828][ T0] kvm-guest: PV spinlocks enabled [ 9.618673][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 9.649077][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 9.672962][ T0] Policy zone: DMA32 [ 9.680220][ T0] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor,bpf ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 rcupdate.rcu_expedited=1 [ 9.829781][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 10.977469][ T0] Memory: 1503356K/2096620K available (116743K kernel code, 17679K rwdata, 21640K rodata, 2792K init, 23928K bss, 593008K reserved, 0K cma-reserved) [ 11.256061][ T0] Running RCU self tests [ 11.277438][ T0] rcu: Preemptible hierarchical RCU implementation. [ 11.303236][ T0] rcu: RCU lockdep checking is enabled. [ 11.316282][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 11.338555][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 11.359226][ T0] rcu: RCU debug extended QS entry/exit. [ 11.374599][ T0] All grace periods are expedited (rcu_expedited). [ 11.387418][ T0] Trampoline variant of Tasks RCU enabled. [ 11.397271][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 11.415168][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 11.462889][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 11.512017][ T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0 [ 11.659076][ T0] Console: colour VGA+ 80x25 [ 11.683822][ T0] printk: console [ttyS0] enabled [ 11.683822][ T0] printk: console [ttyS0] enabled [ 11.701102][ T0] printk: bootconsole [earlyser0] disabled [ 11.701102][ T0] printk: bootconsole [earlyser0] disabled [ 11.718009][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 11.729171][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 11.736366][ T0] ... MAX_LOCK_DEPTH: 48 [ 11.743028][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 11.752155][ T0] ... CLASSHASH_SIZE: 4096 [ 11.759732][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 11.766717][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 11.773717][ T0] ... CHAINHASH_SIZE: 32768 [ 11.784611][ T0] memory used by lock dependency info: 6301 kB [ 11.801126][ T0] memory used for stack traces: 4224 kB [ 11.815844][ T0] per task-struct memory footprint: 1920 bytes [ 11.826984][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 11.849418][ T0] ACPI: Core revision 20200717 [ 11.868254][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 11.898223][ T0] APIC: Switch to symmetric I/O mode setup [ 11.927893][ T0] x2apic enabled [ 11.944011][ T0] Switched APIC routing to physical x2apic. [ 11.953523][ T0] kvm-guest: setup PV IPIs [ 12.021249][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 12.036264][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 12.064826][ T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640) [ 12.076970][ T0] pid_max: default: 32768 minimum: 301 [ 12.094688][ T0] LSM: Security Framework initializing [ 12.104568][ T0] LSM: security= is ignored because it is superseded by lsm= [ 12.115029][ T0] Yama: becoming mindful. [ 12.131551][ T0] TOMOYO Linux initialized [ 12.148044][ T0] AppArmor: AppArmor initialized [ 12.154178][ T0] LSM support for eBPF active [ 12.202859][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 12.228692][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 12.236594][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 12.244459][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 12.347367][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 12.371906][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 12.374150][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 12.385252][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 12.394706][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 12.395054][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 12.415178][ T0] TAA: Mitigation: Clear CPU buffers [ 12.424148][ T0] MDS: Mitigation: Clear CPU buffers [ 12.487590][ T0] Freeing SMP alternatives memory: 104K [ 12.690091][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 12.732832][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 12.756924][ T1] rcu: Hierarchical SRCU implementation. [ 12.776230][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 12.787840][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 12.814137][ T1] smp: Bringing up secondary CPUs ... [ 12.833739][ T1] x86: Booting SMP configuration: [ 12.834575][ T1] .... node #0, CPUs: #1 [ 0.488799][ T0] kvm-clock: cpu 1, msr bed1041, secondary cpu clock [ 12.909040][ T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40 [ 12.935087][ 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. [ 12.944324][ 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. [ 12.968601][ T1] #2 [ 0.488799][ T0] kvm-clock: cpu 2, msr bed1081, secondary cpu clock [ 13.004909][ T20] kvm-guest: stealtime: cpu 2, msr 2d020a40 [ 13.029198][ T1] #3 [ 0.488799][ T0] kvm-clock: cpu 3, msr bed10c1, secondary cpu clock [ 13.065503][ T25] kvm-guest: stealtime: cpu 3, msr 2d120a40 [ 13.074702][ T1] smp: Brought up 2 nodes, 4 CPUs [ 13.084296][ T1] smpboot: Max logical packages: 2 [ 13.094255][ T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS) [ 13.144137][ T1] devtmpfs: initialized [ 13.158450][ T1] x86/mm: Memory block size: 128MB [ 13.247143][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 13.294137][ T33] kworker/u17:0 (33) used greatest stack depth: 27656 bytes left [ 13.335794][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 13.393958][ T1] xor: automatically using best checksumming function avx [ 13.454137][ T1] PM: RTC time: 19:20:41, date: 2020-08-21 [ 13.509060][ T1] NET: Registered protocol family 16 [ 13.539214][ T1] audit: initializing netlink subsys (disabled) [ 13.576462][ T40] audit: type=2000 audit(1598037641.168:1): state=initialized audit_enabled=0 res=1 [ 13.580187][ T44] kworker/u17:1 (44) used greatest stack depth: 27472 bytes left [ 13.584137][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 13.584137][ T1] thermal_sys: Registered thermal governor 'user_space' [ 13.614275][ T1] cpuidle: using governor menu [ 13.670456][ T1] NET: Registered protocol family 42 [ 13.712355][ T1] ACPI: bus type PCI registered [ 13.748072][ T1] dca service started, version 1.12.1 [ 13.767620][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 13.794762][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 14.329523][ T1] PCI: Using configuration type 1 for base access [ 15.186481][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 15.335208][ T1] cryptd: max_cpu_qlen set to 1000 [ 15.609501][ T1] raid6: avx512x4 gen() 12183 MB/s [ 15.785274][ T1] raid6: avx512x4 xor() 5723 MB/s [ 16.009698][ T1] raid6: avx512x2 gen() 10877 MB/s [ 16.184326][ T1] raid6: avx512x2 xor() 5210 MB/s [ 16.366241][ T1] raid6: avx512x1 gen() 5332 MB/s [ 16.535806][ T1] raid6: avx512x1 xor() 1995 MB/s [ 16.706893][ T1] raid6: avx2x4 gen() 5993 MB/s [ 16.876152][ T1] raid6: avx2x4 xor() 3293 MB/s [ 17.054431][ T1] raid6: avx2x2 gen() 4012 MB/s [ 17.234380][ T1] raid6: avx2x2 xor() 1783 MB/s [ 17.395424][ T1] raid6: avx2x1 gen() 2601 MB/s [ 17.566393][ T1] raid6: avx2x1 xor() 951 MB/s [ 17.744989][ T1] raid6: sse2x4 gen() 3187 MB/s [ 17.929276][ T1] raid6: sse2x4 xor() 1768 MB/s [ 18.096333][ T1] raid6: sse2x2 gen() 1921 MB/s [ 18.266398][ T1] raid6: sse2x2 xor() 1025 MB/s [ 18.434979][ T1] raid6: sse2x1 gen() 1162 MB/s [ 18.605570][ T1] raid6: sse2x1 xor() 547 MB/s [ 18.624205][ T1] raid6: using algorithm avx512x4 gen() 12183 MB/s [ 18.634253][ T1] raid6: .... xor() 5723 MB/s, rmw enabled [ 18.644502][ T1] raid6: using avx512x2 recovery algorithm [ 18.680471][ T1] ACPI: Added _OSI(Module Device) [ 18.694450][ T1] ACPI: Added _OSI(Processor Device) [ 18.704274][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 18.724264][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 18.734330][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 18.744301][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 18.764240][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 18.909447][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 19.063184][ T1] ACPI: Interpreter enabled [ 19.070597][ T1] ACPI: (supports S0 S3 S4 S5) [ 19.076248][ T1] ACPI: Using IOAPIC for interrupt routing [ 19.089209][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 19.100383][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 19.280570][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 19.296629][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 19.323587][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 19.337868][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 19.366416][ T1] PCI host bridge to bus 0000:00 [ 19.374862][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 19.404445][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 19.414207][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 19.424207][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 19.434199][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 19.454221][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 19.464211][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 19.474309][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 19.498401][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 19.528722][ T1] pci 0000:00:01.0: [1234:1111] type 00 class 0x030000 [ 19.564137][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfd000000-0xfdffffff pref] [ 19.813797][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfebf8000-0xfebf8fff] [ 20.014137][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 20.364137][ T1] pci 0000:00:02.0: [8086:10d3] type 00 class 0x020000 [ 20.406773][ T1] pci 0000:00:02.0: reg 0x10: [mem 0xfeb80000-0xfeb9ffff] [ 20.451677][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfeba0000-0xfebbffff] [ 20.489839][ T1] pci 0000:00:02.0: reg 0x18: [io 0xc680-0xc69f] [ 20.518736][ T1] pci 0000:00:02.0: reg 0x1c: [mem 0xfebf0000-0xfebf3fff] [ 20.554285][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb00000-0xfeb3ffff pref] [ 20.604318][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 20.627887][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 20.647099][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc600-0xc63f] [ 20.678208][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 20.724412][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 20.749896][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 20.796503][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 20.817104][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 20.826357][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 20.859669][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 20.866983][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf4000-0xfebf7fff] [ 20.912124][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 20.927546][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 20.936912][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf9000-0xfebf9fff] [ 20.961767][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe000000-0xfe003fff 64bit pref] [ 20.991809][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 21.012453][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 21.030834][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 21.053231][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 21.070296][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 21.092746][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 21.112523][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 21.127319][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebfa000-0xfebfafff] [ 21.164201][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 21.185946][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 21.206472][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x190 took 19531 usecs [ 21.224244][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 21.250170][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 21.276706][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebfb000-0xfebfbfff] [ 21.306781][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 21.325637][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 21.429922][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 21.439295][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 21.447510][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 21.456830][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 21.466708][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 21.476576][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 21.486464][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 21.496629][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 21.505071][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 21.514528][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 21.524628][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 21.534757][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 21.544556][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 21.553123][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 21.554511][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 21.564625][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 21.650672][ T1] iommu: Default domain type: Translated [ 21.671331][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 21.674137][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 21.674386][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 21.684205][ T1] vgaarb: loaded [ 21.734804][ T1] SCSI subsystem initialized [ 21.762941][ T1] ACPI: bus type USB registered [ 21.768740][ T1] usbcore: registered new interface driver usbfs [ 21.776291][ T1] usbcore: registered new interface driver hub [ 21.785249][ T1] usbcore: registered new device driver usb [ 21.800683][ T1] mc: Linux media interface: v0.10 [ 21.804585][ T1] videodev: Linux video capture interface: v2.00 [ 21.818518][ T1] pps_core: LinuxPPS API ver. 1 registered [ 21.824192][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 21.834339][ T1] PTP clock support registered [ 21.845931][ T1] EDAC MC: Ver: 3.0.0 [ 21.884981][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 21.938990][ T1] Bluetooth: Core ver 2.22 [ 21.945843][ T1] NET: Registered protocol family 31 [ 21.954355][ T1] Bluetooth: HCI device and connection manager initialized [ 21.964999][ T1] Bluetooth: HCI socket layer initialized [ 21.974488][ T1] Bluetooth: L2CAP socket layer initialized [ 21.984800][ T1] Bluetooth: SCO socket layer initialized [ 21.995165][ T1] NET: Registered protocol family 8 [ 22.004237][ T1] NET: Registered protocol family 20 [ 22.017255][ T1] NetLabel: Initializing [ 22.024208][ T1] NetLabel: domain hash size = 128 [ 22.034250][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 22.049425][ T1] NetLabel: unlabeled traffic allowed by default [ 22.060299][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 22.065035][ T1] NET: Registered protocol family 39 [ 22.075012][ T1] PCI: Using ACPI for IRQ routing [ 23.155388][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 23.164276][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 23.184296][ T1] clocksource: Switched to clocksource kvm-clock [ 26.889867][ T1] VFS: Disk quotas dquot_6.6.0 [ 26.904508][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 26.924049][ T1] FS-Cache: Loaded [ 26.945421][ T1] CacheFiles: Loaded [ 26.962516][ T1] TOMOYO: 2.6.0 [ 26.968846][ T1] Mandatory Access Control activated. [ 26.985489][ T1] AppArmor: AppArmor Filesystem Enabled [ 26.999443][ T1] pnp: PnP ACPI init [ 27.045515][ T1] pnp: PnP ACPI: found 6 devices [ 27.198017][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 27.220841][ T1] NET: Registered protocol family 2 [ 27.259009][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 27.283822][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 27.317555][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 27.349376][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 27.386050][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 27.416978][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 27.447767][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 27.510568][ T1] NET: Registered protocol family 1 [ 27.551705][ T1] RPC: Registered named UNIX socket transport module. [ 27.567917][ T1] RPC: Registered udp transport module. [ 27.579552][ T1] RPC: Registered tcp transport module. [ 27.589402][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 27.620011][ T1] NET: Registered protocol family 44 [ 27.632254][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 27.642891][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 27.653449][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 27.668435][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 27.686453][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 27.702522][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 27.803400][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 27.822637][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 30574 usecs [ 27.878472][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 27.929790][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 89541 usecs [ 27.962702][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 27.992515][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 41786 usecs [ 28.027226][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 28.079932][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 64215 usecs [ 28.119100][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 28.172304][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 64617 usecs [ 28.206154][ T1] PCI: CLS 0 bytes, default 64 [ 28.275084][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 28.307258][ T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB) [ 28.422248][ T1] kvm: no hardware support [ 28.449937][ T1] has_svm: not amd or hygon [ 28.481187][ T1] kvm: no hardware support [ 28.510051][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 28.591725][ T1] clocksource: Switched to clocksource tsc [ 28.627870][ T1] mce: Machine check injector initialized [ 28.715958][ T1] check: Scanning for low memory corruption every 60 seconds [ 29.231633][ T1] Initialise system trusted keyrings [ 29.239002][ T1745] kworker/u17:2 (1745) used greatest stack depth: 27016 bytes left [ 29.290445][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 29.311368][ T1] zbud: loaded [ 29.402739][ T1] DLM installed [ 29.419107][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 29.448474][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 29.468969][ T1] NFS: Registering the id_resolver key type [ 29.481339][ T1] Key type id_resolver registered [ 29.490694][ T1] Key type id_legacy registered [ 29.502993][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 29.523703][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 29.566224][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 29.590044][ T1] Key type cifs.spnego registered [ 29.603473][ T1] Key type cifs.idmap registered [ 29.615907][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 29.647209][ T1] fuse: init (API version 7.31) [ 29.672347][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 29.783180][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 29.829036][ T1] 9p: Installing v9fs 9p2000 file system support [ 29.844917][ T1] FS-Cache: Netfs '9p' registered for caching [ 29.860474][ T1] ocfs2: Registered cluster interface o2cb [ 29.870579][ T1] ocfs2: Registered cluster interface user [ 29.887468][ T1] OCFS2 User DLM kernel interface loaded [ 29.994725][ T1] gfs2: GFS2 installed [ 30.069722][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 30.089143][ T1] ceph: loaded (mds proto 32) [ 30.150015][ T1] NET: Registered protocol family 38 [ 30.168662][ T1] async_tx: api initialized (async) [ 30.200867][ T1] Key type asymmetric registered [ 30.216332][ T1] Asymmetric key parser 'x509' registered [ 30.229159][ T1] Asymmetric key parser 'pkcs8' registered [ 30.240353][ T1] Key type pkcs7_test registered [ 30.255968][ T1] Asymmetric key parser 'tpm_parser' registered [ 30.282605][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 30.313574][ T1] io scheduler mq-deadline registered [ 30.332150][ T1] io scheduler kyber registered [ 30.346948][ T1] io scheduler bfq registered [ 30.401299][ T1] hgafb: HGA card not detected. [ 30.413899][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 30.430260][ T1] usbcore: registered new interface driver udlfb [ 30.459875][ T1] uvesafb: failed to execute /sbin/v86d [ 30.470835][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 30.486939][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 30.500377][ T1] uvesafb: vbe_init() failed with -22 [ 30.509772][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 30.524958][ T1] vga16fb: mapped to 0x0000000092bf5b98 [ 46.514669][ T1] Console: switching to colour frame buffer device 80x30 [ 68.397524][ T1] fb0: VGA16 VGA frame buffer device [ 68.631913][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 68.780139][ T1] ACPI: Power Button [PWRF] [ 69.232248][ T7] ================================================================== [ 69.236481][ T7] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20 [ 69.236481][ T7] Read of size 8 at addr ffffffff8a2e8730 by task kworker/u17:0/7 [ 69.236481][ T7] [ 69.236481][ T7] CPU: 2 PID: 7 Comm: kworker/u17:0 Not tainted 5.9.0-rc1-syzkaller #0 [ 69.236481][ T7] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 69.495568][ T7] Workqueue: events_unbound async_run_entry_fn [ 69.495568][ T7] Call Trace: [ 69.495568][ T7] dump_stack+0x18f/0x20d [ 69.495568][ T7] ? internal_create_group+0x9d8/0xb20 [ 69.495568][ T7] ? internal_create_group+0x9d8/0xb20 [ 69.495568][ T7] print_address_description.constprop.0.cold+0x5/0x497 [ 69.495568][ T7] ? vprintk_func+0x97/0x1a6 [ 69.495568][ T7] ? internal_create_group+0x9d8/0xb20 [ 69.495568][ T7] ? internal_create_group+0x9d8/0xb20 [ 69.495568][ T7] kasan_report.cold+0x1f/0x37 [ 69.495568][ T7] ? internal_create_group+0x9d8/0xb20 [ 69.495568][ T7] ? state_show+0xf0/0xf0 [ 69.495568][ T7] internal_create_group+0x9d8/0xb20 [ 69.495568][ T7] ? sysfs_remove_group+0x170/0x170 [ 69.495568][ T7] internal_create_groups.part.0+0x90/0x140 [ 69.495568][ T7] sysfs_create_groups+0x25/0x50 [ 69.495568][ T7] device_add+0x7fd/0x1c40 [ 69.495568][ T7] ? devlink_add_symlinks+0x450/0x450 [ 69.495568][ T7] ? lock_release+0x8e0/0x8e0 [ 69.495568][ T7] ? lock_downgrade+0x830/0x830 [ 69.495568][ T7] ? __schedule+0x88e/0x21e0 [ 69.495568][ T7] ? nd_synchronize+0x20/0x20 [ 69.495568][ T7] nd_async_device_register+0x12/0x80 [ 69.495568][ T7] async_run_entry_fn+0x121/0x530 [ 69.495568][ T7] process_one_work+0x94c/0x1670 [ 69.495568][ T7] ? lock_release+0x8e0/0x8e0 [ 69.495568][ T7] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 69.495568][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 69.495568][ T7] worker_thread+0x64c/0x1120 [ 69.495568][ T7] ? process_one_work+0x1670/0x1670 [ 69.495568][ T7] kthread+0x3b5/0x4a0 [ 69.495568][ T7] ? __kthread_bind_mask+0xc0/0xc0 [ 69.495568][ T7] ? __kthread_bind_mask+0xc0/0xc0 [ 69.495568][ T7] ret_from_fork+0x1f/0x30 [ 69.495568][ T7] [ 69.495568][ T7] The buggy address belongs to the variable: [ 69.495568][ T7] nvdimm_firmware_attributes+0x10/0x40 [ 69.495568][ T7] [ 69.495568][ T7] Memory state around the buggy address: [ 69.495568][ T7] ffffffff8a2e8600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 69.495568][ T7] ffffffff8a2e8680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 69.495568][ T7] >ffffffff8a2e8700: f9 f9 f9 f9 00 00 f9 f9 f9 f9 f9 f9 00 00 00 00 [ 69.495568][ T7] ^ [ 69.495568][ T7] ffffffff8a2e8780: 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 f9 [ 69.495568][ T7] ffffffff8a2e8800: f9 f9 f9 f9 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 [ 69.495568][ T7] ================================================================== [ 69.495568][ T7] Disabling lock debugging due to kernel taint [ 70.766824][ T7] Kernel panic - not syncing: panic_on_warn set ... [ 70.774636][ T7] CPU: 2 PID: 7 Comm: kworker/u17:0 Tainted: G B 5.9.0-rc1-syzkaller #0 [ 70.774636][ T7] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 70.774636][ T7] Workqueue: events_unbound async_run_entry_fn [ 70.774636][ T7] Call Trace: [ 70.774636][ T7] dump_stack+0x18f/0x20d [ 70.774636][ T7] ? internal_create_group+0x950/0xb20 [ 70.774636][ T7] panic+0x2e3/0x75c [ 70.774636][ T7] ? __warn_printk+0xf3/0xf3 [ 70.774636][ T7] ? preempt_schedule_common+0x59/0xc0 [ 70.774636][ T7] ? internal_create_group+0x9d8/0xb20 [ 70.774636][ T7] ? preempt_schedule_thunk+0x16/0x18 [ 70.774636][ T7] ? trace_hardirqs_on+0x55/0x220 [ 70.774636][ T7] ? internal_create_group+0x9d8/0xb20 [ 70.774636][ T7] ? internal_create_group+0x9d8/0xb20 [ 70.774636][ T7] end_report+0x4d/0x53 [ 70.774636][ T7] kasan_report.cold+0xd/0x37 [ 70.774636][ T7] ? internal_create_group+0x9d8/0xb20 [ 70.774636][ T7] ? state_show+0xf0/0xf0 [ 70.774636][ T7] internal_create_group+0x9d8/0xb20 [ 70.774636][ T7] ? sysfs_remove_group+0x170/0x170 [ 70.774636][ T7] internal_create_groups.part.0+0x90/0x140 [ 70.774636][ T7] sysfs_create_groups+0x25/0x50 [ 70.774636][ T7] device_add+0x7fd/0x1c40 [ 70.774636][ T7] ? devlink_add_symlinks+0x450/0x450 [ 70.774636][ T7] ? lock_release+0x8e0/0x8e0 [ 70.774636][ T7] ? lock_downgrade+0x830/0x830 [ 70.774636][ T7] ? __schedule+0x88e/0x21e0 [ 70.774636][ T7] ? nd_synchronize+0x20/0x20 [ 70.774636][ T7] nd_async_device_register+0x12/0x80 [ 70.774636][ T7] async_run_entry_fn+0x121/0x530 [ 70.774636][ T7] process_one_work+0x94c/0x1670 [ 70.774636][ T7] ? lock_release+0x8e0/0x8e0 [ 70.774636][ T7] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 70.774636][ T7] ? rwlock_bug.part.0+0x90/0x90 [ 70.774636][ T7] worker_thread+0x64c/0x1120 [ 70.774636][ T7] ? process_one_work+0x1670/0x1670 [ 70.774636][ T7] kthread+0x3b5/0x4a0 [ 70.774636][ T7] ? __kthread_bind_mask+0xc0/0xc0 [ 70.774636][ T7] ? __kthread_bind_mask+0xc0/0xc0 [ 70.774636][ T7] ret_from_fork+0x1f/0x30 [ 70.774636][ T7] Kernel Offset: disabled [ 70.774636][ T7] Rebooting in 86400 seconds..