[ 0.000000][ T0] Linux version 5.9.0-rc2-syzkaller (syzkaller@syzkaller) (gcc (GCC) 10.1.0-syz 20200507, GNU ld (GNU Binutils for Debian) 2.28) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=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 [ 0.000064][ T0] kvm-clock: cpu 0, msr bed2001, primary cpu clock [ 0.000065][ T0] kvm-clock: using sched offset of 18775156646 cycles [ 0.024931][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.099688][ T0] tsc: Detected 2000.164 MHz processor [ 0.157784][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.204508][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.266572][ T0] found SMP MP-table at [mem 0x000f5a40-0x000f5a4f] [ 0.297047][ T0] check: Scanning 1 areas for low memory corruption [ 0.329084][ T0] ACPI: Early table checksum verification disabled [ 0.382972][ T0] ACPI: RSDP 0x00000000000F5870 000014 (v00 BOCHS ) [ 0.416686][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.467894][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.513482][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.562354][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.590343][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.643892][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.681428][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.716136][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.744867][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.777976][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.817836][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.832809][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.841721][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.852749][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.863774][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 0.871290][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 0.879152][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 0.889749][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 0.903295][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.914803][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 0.928124][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 0.938846][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 0.960014][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 0.982054][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.996594][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 1.014266][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 1.034664][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 1.152151][ T0] Zone ranges: [ 1.160308][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 1.187506][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 1.214771][ T0] Normal empty [ 1.226034][ T0] Device empty [ 1.245140][ T0] Movable zone start for each node [ 1.266280][ T0] Early memory node ranges [ 1.282972][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 1.316625][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 1.342870][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.369940][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 1.370013][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 1.431397][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 4.904311][ T0] kasan: KernelAddressSanitizer initialized [ 4.952365][ T0] ACPI: PM-Timer IO Port: 0x608 [ 4.971579][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 5.000876][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 5.028725][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 5.045310][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 5.079564][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 5.105912][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 5.132641][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 5.160371][ T0] Using ACPI (MADT) for SMP configuration information [ 5.184331][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 5.210414][ T0] TSC deadline timer available [ 5.229127][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 5.253178][ T0] kvm-guest: KVM setup pv remote TLB flush [ 5.286193][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 5.324409][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 5.362742][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 5.399900][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 5.447546][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 5.477298][ T0] Booting paravirtualized kernel on KVM [ 5.507062][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 5.619973][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 5.747609][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 5.792848][ T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40 [ 5.822274][ T0] kvm-guest: PV spinlocks enabled [ 5.839090][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 5.872367][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 5.900349][ T0] Policy zone: DMA32 [ 5.913524][ T0] Kernel command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=selinux lsm=lockdown,yama,safesetid,integrity,selinux,tomoyo,bpf ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 rcupdate.rcu_expedited=1 [ 6.108038][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 6.891543][ T0] Memory: 1503356K/2096620K available (116743K kernel code, 17681K rwdata, 21640K rodata, 2792K init, 23924K bss, 593008K reserved, 0K cma-reserved) [ 7.065313][ T0] Running RCU self tests [ 7.078215][ T0] rcu: Preemptible hierarchical RCU implementation. [ 7.100288][ T0] rcu: RCU lockdep checking is enabled. [ 7.119943][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 7.143771][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 7.165689][ T0] rcu: RCU debug extended QS entry/exit. [ 7.182378][ T0] All grace periods are expedited (rcu_expedited). [ 7.205835][ T0] Trampoline variant of Tasks RCU enabled. [ 7.228063][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 7.253024][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 7.295945][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 7.379084][ T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0 [ 7.617484][ T0] Console: colour VGA+ 80x25 [ 7.660380][ T0] printk: console [ttyS0] enabled [ 7.660380][ T0] printk: console [ttyS0] enabled [ 7.697078][ T0] printk: bootconsole [earlyser0] disabled [ 7.697078][ T0] printk: bootconsole [earlyser0] disabled [ 7.725644][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 7.749953][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 7.761358][ T0] ... MAX_LOCK_DEPTH: 48 [ 7.776714][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 7.785780][ T0] ... CLASSHASH_SIZE: 4096 [ 7.798968][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 7.823349][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 7.840383][ T0] ... CHAINHASH_SIZE: 32768 [ 7.856063][ T0] memory used by lock dependency info: 6301 kB [ 7.882187][ T0] memory used for stack traces: 4224 kB [ 7.902501][ T0] per task-struct memory footprint: 1920 bytes [ 7.925962][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 7.978488][ T0] ACPI: Core revision 20200717 [ 8.029209][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 8.096181][ T0] APIC: Switch to symmetric I/O mode setup [ 8.124859][ T0] x2apic enabled [ 8.144259][ T0] Switched APIC routing to physical x2apic. [ 8.160895][ T0] kvm-guest: setup PV IPIs [ 8.227980][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 8.257589][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 8.307779][ T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640) [ 8.325977][ T0] pid_max: default: 32768 minimum: 301 [ 8.351765][ T0] LSM: Security Framework initializing [ 8.355348][ T0] LSM: security= is ignored because it is superseded by lsm= [ 8.366647][ T0] Yama: becoming mindful. [ 8.387666][ T0] SELinux: Initializing. [ 8.409488][ T0] TOMOYO Linux initialized [ 8.416042][ T0] LSM support for eBPF active [ 8.440806][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 8.460091][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 8.466189][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 8.475746][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 8.565647][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 8.591776][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 8.595026][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 8.606077][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 8.615382][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 8.615770][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 8.636995][ T0] TAA: Mitigation: Clear CPU buffers [ 8.645083][ T0] MDS: Mitigation: Clear CPU buffers [ 8.744247][ T0] Freeing SMP alternatives memory: 104K [ 8.950186][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 8.977902][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 8.991633][ T1] rcu: Hierarchical SRCU implementation. [ 9.006404][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 9.019146][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 9.040252][ T1] smp: Bringing up secondary CPUs ... [ 9.076183][ T1] x86: Booting SMP configuration: [ 9.085680][ T1] .... node #0, CPUs: #1 [ 0.848368][ T0] kvm-clock: cpu 1, msr bed2041, secondary cpu clock [ 9.195245][ T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40 [ 9.236595][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 9.245308][ T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details. [ 9.285536][ T1] #2 [ 0.848368][ T0] kvm-clock: cpu 2, msr bed2081, secondary cpu clock [ 9.351412][ T20] kvm-guest: stealtime: cpu 2, msr 2d020a40 [ 9.393538][ T1] #3 [ 0.848368][ T0] kvm-clock: cpu 3, msr bed20c1, secondary cpu clock [ 9.463088][ T25] kvm-guest: stealtime: cpu 3, msr 2d120a40 [ 9.495781][ T1] smp: Brought up 2 nodes, 4 CPUs [ 9.505307][ T1] smpboot: Max logical packages: 2 [ 9.515064][ T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS) [ 9.657003][ T1] devtmpfs: initialized [ 9.706760][ T1] x86/mm: Memory block size: 128MB [ 9.898896][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 9.905008][ T33] kworker/u17:0 (33) used greatest stack depth: 27544 bytes left [ 9.920547][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 9.945299][ T1] xor: automatically using best checksumming function avx [ 10.031333][ T1] PM: RTC time: 23:42:35, date: 2020-08-23 [ 10.088434][ T1] NET: Registered protocol family 16 [ 10.110865][ T1] audit: initializing netlink subsys (disabled) [ 10.158161][ T39] audit: type=2000 audit(1598226154.737:1): state=initialized audit_enabled=0 res=1 [ 10.198266][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 10.198380][ T1] thermal_sys: Registered thermal governor 'user_space' [ 10.268147][ T1] cpuidle: using governor menu [ 10.347070][ T1] NET: Registered protocol family 42 [ 10.411934][ T1] ACPI: bus type PCI registered [ 10.472530][ T1] dca service started, version 1.12.1 [ 10.502409][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 10.556277][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 11.070073][ T1] PCI: Using configuration type 1 for base access [ 11.357935][ T365] kworker/u17:0 (365) used greatest stack depth: 26144 bytes left [ 11.928804][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 12.147231][ T1] cryptd: max_cpu_qlen set to 1000 [ 12.477288][ T1] raid6: avx512x4 gen() 12721 MB/s [ 12.673195][ T1] raid6: avx512x4 xor() 5509 MB/s [ 12.861228][ T1] raid6: avx512x2 gen() 10409 MB/s [ 13.047408][ T1] raid6: avx512x2 xor() 4707 MB/s [ 13.235313][ T1] raid6: avx512x1 gen() 6523 MB/s [ 13.415231][ T1] raid6: avx512x1 xor() 2442 MB/s [ 13.585913][ T1] raid6: avx2x4 gen() 8436 MB/s [ 13.765472][ T1] raid6: avx2x4 xor() 4124 MB/s [ 13.974542][ T1] raid6: avx2x2 gen() 5353 MB/s [ 14.148878][ T1] raid6: avx2x2 xor() 2452 MB/s [ 14.355276][ T1] raid6: avx2x1 gen() 3313 MB/s [ 14.535592][ T1] raid6: avx2x1 xor() 1267 MB/s [ 14.715554][ T1] raid6: sse2x4 gen() 3816 MB/s [ 14.895332][ T1] raid6: sse2x4 xor() 2104 MB/s [ 15.075150][ T1] raid6: sse2x2 gen() 2377 MB/s [ 15.255112][ T1] raid6: sse2x2 xor() 1303 MB/s [ 15.435168][ T1] raid6: sse2x1 gen() 1598 MB/s [ 15.605871][ T1] raid6: sse2x1 xor() 501 MB/s [ 15.625119][ T1] raid6: using algorithm avx512x4 gen() 12721 MB/s [ 15.645149][ T1] raid6: .... xor() 5509 MB/s, rmw enabled [ 15.665569][ T1] raid6: using avx512x2 recovery algorithm [ 15.682331][ T1] ACPI: Added _OSI(Module Device) [ 15.695183][ T1] ACPI: Added _OSI(Processor Device) [ 15.715186][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 15.735177][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 15.755294][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 15.785434][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 15.815280][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 15.938700][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 16.107978][ T1] ACPI: Interpreter enabled [ 16.133869][ T1] ACPI: (supports S0 S3 S4 S5) [ 16.156920][ T1] ACPI: Using IOAPIC for interrupt routing [ 16.185133][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 16.221190][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 16.439388][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 16.468990][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 16.546848][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 16.589513][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 16.636668][ T1] PCI host bridge to bus 0000:00 [ 16.665383][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 16.705466][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 16.745220][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 16.785327][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 16.835953][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 16.885504][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 16.945562][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 17.026119][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 17.112518][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 17.247929][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 [ 17.335008][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref] [ 17.475008][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref] [ 17.555008][ T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff] [ 17.785008][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 18.312118][ T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 [ 18.401814][ T1] pci 0000:00:02.0: reg 0x10: [io 0xc680-0xc69f] [ 18.453703][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 18.528392][ T1] pci 0000:00:02.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref] [ 18.591559][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 18.740763][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 18.817772][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 18.892038][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc600-0xc63f] [ 18.965391][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] [ 19.061448][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 19.142708][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 19.207012][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 19.227191][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 19.246804][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 19.310277][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 19.323676][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf0000-0xfebf3fff] [ 19.395579][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 19.445282][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 19.502594][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 19.565269][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref] [ 19.674499][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 19.753340][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 19.826368][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 19.906144][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 19.990067][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 20.071763][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 20.151633][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 20.202928][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf7000-0xfebf7fff] [ 20.283149][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 20.358962][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 20.432088][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x190 took 68359 usecs [ 20.491989][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 20.589084][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 20.641371][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf8000-0xfebf8fff] [ 20.728670][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 20.801594][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 21.005008][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 21.063984][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 21.100237][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 21.149952][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 21.190585][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 21.229279][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 21.269870][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 21.320713][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 21.398455][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 21.445927][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 21.496495][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 21.566613][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 21.625968][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 21.675966][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 21.725713][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 21.775794][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 22.118582][ T1] iommu: Default domain type: Translated [ 22.205008][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 22.205008][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 22.205665][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 22.215640][ T1] vgaarb: loaded [ 22.345499][ T1] SCSI subsystem initialized [ 22.435008][ T1] ACPI: bus type USB registered [ 22.488256][ T1] usbcore: registered new interface driver usbfs [ 22.538104][ T1] usbcore: registered new interface driver hub [ 22.598010][ T1] usbcore: registered new device driver usb [ 22.653992][ T1] mc: Linux media interface: v0.10 [ 22.696055][ T1] videodev: Linux video capture interface: v2.00 [ 22.756931][ T1] pps_core: LinuxPPS API ver. 1 registered [ 22.795258][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 22.896119][ T1] PTP clock support registered [ 22.958178][ T1] EDAC MC: Ver: 3.0.0 [ 23.076163][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 23.202071][ T1] Bluetooth: Core ver 2.22 [ 23.211193][ T1] NET: Registered protocol family 31 [ 23.215236][ T1] Bluetooth: HCI device and connection manager initialized [ 23.227218][ T1] Bluetooth: HCI socket layer initialized [ 23.235429][ T1] Bluetooth: L2CAP socket layer initialized [ 23.247032][ T1] Bluetooth: SCO socket layer initialized [ 23.256271][ T1] NET: Registered protocol family 8 [ 23.265400][ T1] NET: Registered protocol family 20 [ 23.282396][ T1] NetLabel: Initializing [ 23.285382][ T1] NetLabel: domain hash size = 128 [ 23.295160][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 23.320294][ T1] NetLabel: unlabeled traffic allowed by default [ 23.353560][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 23.357492][ T1] NET: Registered protocol family 39 [ 23.369123][ T1] PCI: Using ACPI for IRQ routing [ 26.875008][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 26.875960][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 26.914298][ T1] clocksource: Switched to clocksource kvm-clock [ 31.098445][ T1] VFS: Disk quotas dquot_6.6.0 [ 31.126977][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 31.184419][ T1] FS-Cache: Loaded [ 31.231105][ T1] CacheFiles: Loaded [ 31.267781][ T1] TOMOYO: 2.6.0 [ 31.286166][ T1] Mandatory Access Control activated. [ 31.320954][ T1] pnp: PnP ACPI init [ 31.459168][ T1] pnp: PnP ACPI: found 6 devices [ 31.711295][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 31.801660][ T1] NET: Registered protocol family 2 [ 31.879164][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 31.938296][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 32.015921][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 32.074459][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 32.162838][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 32.223713][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 32.278561][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 32.343209][ T1] NET: Registered protocol family 1 [ 32.422022][ T1] RPC: Registered named UNIX socket transport module. [ 32.476623][ T1] RPC: Registered udp transport module. [ 32.521052][ T1] RPC: Registered tcp transport module. [ 32.562972][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 32.648926][ T1] NET: Registered protocol family 44 [ 32.699290][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 32.755926][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 32.823568][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 32.892006][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 32.958919][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 33.277058][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 33.463283][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 33.551611][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 88806 usecs [ 33.843201][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 34.033838][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 375396 usecs [ 34.117950][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 34.188985][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 92941 usecs [ 34.268496][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 34.332149][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 78487 usecs [ 34.423106][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 34.566130][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 156136 usecs [ 34.650426][ T1] PCI: CLS 0 bytes, default 64 [ 34.930160][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 35.003810][ T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB) [ 35.364820][ T1] kvm: no hardware support [ 35.429029][ T1] has_svm: not amd or hygon [ 35.484421][ T1] kvm: no hardware support [ 35.549945][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 35.677337][ T1] clocksource: Switched to clocksource tsc [ 35.782108][ T1] mce: Machine check injector initialized [ 35.996188][ T1] check: Scanning for low memory corruption every 60 seconds [ 37.444159][ T1] Initialise system trusted keyrings [ 37.584883][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 37.691952][ T1] zbud: loaded [ 37.858214][ T1] DLM installed [ 37.891514][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 37.983808][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 38.058537][ T1] NFS: Registering the id_resolver key type [ 38.096046][ T1] Key type id_resolver registered [ 38.130293][ T1] Key type id_legacy registered [ 38.172351][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 38.230455][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 38.344345][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 38.401280][ T1] Key type cifs.spnego registered [ 38.427538][ T1] Key type cifs.idmap registered [ 38.466435][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 38.510322][ T1] fuse: init (API version 7.31) [ 38.568089][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 38.739090][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 38.848882][ T1] 9p: Installing v9fs 9p2000 file system support [ 38.899128][ T1] FS-Cache: Netfs '9p' registered for caching [ 38.964647][ T1] ocfs2: Registered cluster interface o2cb [ 39.021346][ T1] ocfs2: Registered cluster interface user [ 39.083161][ T1] OCFS2 User DLM kernel interface loaded [ 39.261241][ T1] gfs2: GFS2 installed [ 39.383297][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 39.428721][ T1] ceph: loaded (mds proto 32) [ 39.576722][ T1] NET: Registered protocol family 38 [ 39.623849][ T1] async_tx: api initialized (async) [ 39.658580][ T1] Key type asymmetric registered [ 39.693712][ T1] Asymmetric key parser 'x509' registered [ 39.734034][ T1] Asymmetric key parser 'pkcs8' registered [ 39.772176][ T1] Key type pkcs7_test registered [ 39.803766][ T1] Asymmetric key parser 'tpm_parser' registered [ 39.843917][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 39.911810][ T1] io scheduler mq-deadline registered [ 39.947736][ T1] io scheduler kyber registered [ 39.979583][ T1] io scheduler bfq registered [ 40.080543][ T1] hgafb: HGA card not detected. [ 40.111720][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 40.168723][ T1] usbcore: registered new interface driver udlfb [ 40.264574][ T1] uvesafb: failed to execute /sbin/v86d [ 40.301807][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 40.376083][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 40.430030][ T1] uvesafb: vbe_init() failed with -22 [ 40.466172][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 40.523145][ T1] vga16fb: mapped to 0x00000000f10cedd3 [ 72.851634][ T1] Console: switching to colour frame buffer device 80x30 [ 110.668800][ T1] fb0: VGA16 VGA frame buffer device [ 111.040828][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 111.258173][ T1] ACPI: Power Button [PWRF] [ 111.761625][ T780] ================================================================== [ 111.765804][ T780] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20 [ 111.765804][ T780] Read of size 8 at addr ffffffff8a2e8cf0 by task kworker/u17:8/780 [ 111.765804][ T780] [ 111.765804][ T780] CPU: 2 PID: 780 Comm: kworker/u17:8 Not tainted 5.9.0-rc2-syzkaller #0 [ 111.765804][ T780] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 111.765804][ T780] Workqueue: events_unbound async_run_entry_fn [ 111.765804][ T780] Call Trace: [ 111.765804][ T780] dump_stack+0x18f/0x20d [ 111.765804][ T780] ? internal_create_group+0x9d8/0xb20 [ 111.765804][ T780] ? internal_create_group+0x9d8/0xb20 [ 111.765804][ T780] print_address_description.constprop.0.cold+0x5/0x497 [ 111.765804][ T780] ? vprintk_func+0x97/0x1a6 [ 111.765804][ T780] ? internal_create_group+0x9d8/0xb20 [ 111.765804][ T780] ? internal_create_group+0x9d8/0xb20 [ 111.765804][ T780] kasan_report.cold+0x1f/0x37 [ 111.765804][ T780] ? internal_create_group+0x9d8/0xb20 [ 111.765804][ T780] ? state_show+0xf0/0xf0 [ 111.765804][ T780] internal_create_group+0x9d8/0xb20 [ 111.765804][ T780] ? sysfs_remove_group+0x170/0x170 [ 111.765804][ T780] internal_create_groups.part.0+0x90/0x140 [ 111.765804][ T780] sysfs_create_groups+0x25/0x50 [ 111.765804][ T780] device_add+0x7fd/0x1c40 [ 111.765804][ T780] ? devlink_add_symlinks+0x450/0x450 [ 111.765804][ T780] ? lock_release+0x8e0/0x8e0 [ 111.765804][ T780] ? lock_downgrade+0x830/0x830 [ 111.765804][ T780] ? __schedule+0x88e/0x21e0 [ 111.765804][ T780] ? nd_synchronize+0x20/0x20 [ 111.765804][ T780] nd_async_device_register+0x12/0x80 [ 111.765804][ T780] async_run_entry_fn+0x121/0x530 [ 111.765804][ T780] process_one_work+0x94c/0x1670 [ 111.765804][ T780] ? lock_release+0x8e0/0x8e0 [ 111.765804][ T780] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 111.765804][ T780] ? rwlock_bug.part.0+0x90/0x90 [ 111.765804][ T780] worker_thread+0x64c/0x1120 [ 111.765804][ T780] ? __kthread_parkme+0x13f/0x1e0 [ 111.765804][ T780] ? process_one_work+0x1670/0x1670 [ 111.765804][ T780] kthread+0x3b5/0x4a0 [ 111.765804][ T780] ? __kthread_bind_mask+0xc0/0xc0 [ 111.765804][ T780] ? __kthread_bind_mask+0xc0/0xc0 [ 111.765804][ T780] ret_from_fork+0x1f/0x30 [ 111.765804][ T780] [ 111.765804][ T780] The buggy address belongs to the variable: [ 111.765804][ T780] nvdimm_firmware_attributes+0x10/0x40 [ 111.765804][ T780] [ 111.765804][ T780] Memory state around the buggy address: [ 111.765804][ T780] ffffffff8a2e8b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 111.765804][ T780] ffffffff8a2e8c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 111.765804][ T780] >ffffffff8a2e8c80: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 f9 f9 [ 111.765804][ T780] ^ [ 111.765804][ T780] ffffffff8a2e8d00: f9 f9 f9 f9 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 [ 111.765804][ T780] ffffffff8a2e8d80: 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 [ 111.765804][ T780] ================================================================== [ 111.765804][ T780] Disabling lock debugging due to kernel taint [ 113.001695][ T780] Kernel panic - not syncing: panic_on_warn set ... [ 113.007817][ T780] CPU: 2 PID: 780 Comm: kworker/u17:8 Tainted: G B 5.9.0-rc2-syzkaller #0 [ 113.007817][ T780] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 113.007817][ T780] Workqueue: events_unbound async_run_entry_fn [ 113.007817][ T780] Call Trace: [ 113.007817][ T780] dump_stack+0x18f/0x20d [ 113.007817][ T780] ? internal_create_group+0x910/0xb20 [ 113.007817][ T780] panic+0x2e3/0x75c [ 113.007817][ T780] ? __warn_printk+0xf3/0xf3 [ 113.007817][ T780] ? preempt_schedule_common+0x59/0xc0 [ 113.007817][ T780] ? internal_create_group+0x9d8/0xb20 [ 113.007817][ T780] ? preempt_schedule_thunk+0x16/0x18 [ 113.007817][ T780] ? trace_hardirqs_on+0x55/0x220 [ 113.007817][ T780] ? internal_create_group+0x9d8/0xb20 [ 113.007817][ T780] ? internal_create_group+0x9d8/0xb20 [ 113.007817][ T780] end_report+0x4d/0x53 [ 113.007817][ T780] kasan_report.cold+0xd/0x37 [ 113.007817][ T780] ? internal_create_group+0x9d8/0xb20 [ 113.007817][ T780] ? state_show+0xf0/0xf0 [ 113.007817][ T780] internal_create_group+0x9d8/0xb20 [ 113.007817][ T780] ? sysfs_remove_group+0x170/0x170 [ 113.007817][ T780] internal_create_groups.part.0+0x90/0x140 [ 113.007817][ T780] sysfs_create_groups+0x25/0x50 [ 113.007817][ T780] device_add+0x7fd/0x1c40 [ 113.007817][ T780] ? devlink_add_symlinks+0x450/0x450 [ 113.007817][ T780] ? lock_release+0x8e0/0x8e0 [ 113.635371][ T780] ? lock_downgrade+0x830/0x830 [ 113.635371][ T780] ? __schedule+0x88e/0x21e0 [ 113.635371][ T780] ? nd_synchronize+0x20/0x20 [ 113.635371][ T780] nd_async_device_register+0x12/0x80 [ 113.635371][ T780] async_run_entry_fn+0x121/0x530 [ 113.635371][ T780] process_one_work+0x94c/0x1670 [ 113.635371][ T780] ? lock_release+0x8e0/0x8e0 [ 113.635371][ T780] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 113.635371][ T780] ? rwlock_bug.part.0+0x90/0x90 [ 113.635371][ T780] worker_thread+0x64c/0x1120 [ 113.635371][ T780] ? __kthread_parkme+0x13f/0x1e0 [ 113.635371][ T780] ? process_one_work+0x1670/0x1670 [ 113.635371][ T780] kthread+0x3b5/0x4a0 [ 113.635371][ T780] ? __kthread_bind_mask+0xc0/0xc0 [ 113.635371][ T780] ? __kthread_bind_mask+0xc0/0xc0 [ 113.635371][ T780] ret_from_fork+0x1f/0x30 [ 113.635371][ T780] Kernel Offset: disabled [ 113.635371][ T780] Rebooting in 86400 seconds..