[ 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=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 [ 0.000068][ T0] kvm-clock: cpu 0, msr bed2001, primary cpu clock [ 0.000068][ T0] kvm-clock: using sched offset of 27197050985 cycles [ 0.017130][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.077905][ T0] tsc: Detected 2000.164 MHz processor [ 0.134845][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.171051][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.216634][ T0] found SMP MP-table at [mem 0x000f5a50-0x000f5a5f] [ 0.243962][ T0] check: Scanning 1 areas for low memory corruption [ 0.278093][ T0] ACPI: Early table checksum verification disabled [ 0.319416][ T0] ACPI: RSDP 0x00000000000F5880 000014 (v00 BOCHS ) [ 0.358197][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.406379][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.460239][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.512533][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.538019][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.594113][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.657757][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.735868][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.787312][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.843768][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.933650][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.977768][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 1.004072][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 1.030479][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 1.049886][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 1.066238][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 1.086270][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 1.109568][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 1.131311][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 1.165675][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 1.196026][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 1.227492][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 1.259551][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 1.307862][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 1.346403][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 1.379499][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 1.416855][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 1.669423][ T0] Zone ranges: [ 1.691571][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 1.728565][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 1.761251][ T0] Normal empty [ 1.779288][ T0] Device empty [ 1.799047][ T0] Movable zone start for each node [ 1.822963][ T0] Early memory node ranges [ 1.846792][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 1.884873][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 1.921302][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.960478][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 1.960520][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 2.060559][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 6.156713][ T0] kasan: KernelAddressSanitizer initialized [ 6.247635][ T0] ACPI: PM-Timer IO Port: 0x608 [ 6.280662][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 6.331296][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 6.386960][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 6.442403][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 6.497422][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 6.540464][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 6.588238][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 6.624652][ T0] Using ACPI (MADT) for SMP configuration information [ 6.670114][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 6.707843][ T0] TSC deadline timer available [ 6.742002][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 6.792792][ T0] kvm-guest: KVM setup pv remote TLB flush [ 6.840783][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 6.907355][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 6.966152][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 7.024312][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 7.074423][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 7.115063][ T0] Booting paravirtualized kernel on KVM [ 7.149677][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 7.283254][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 7.412462][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 7.451033][ T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40 [ 7.467642][ T0] kvm-guest: PV spinlocks enabled [ 7.483108][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 7.514259][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 7.546146][ T0] Policy zone: DMA32 [ 7.564304][ 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 [ 7.759420][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 8.525636][ T0] Memory: 1503356K/2096620K available (116743K kernel code, 17681K rwdata, 21640K rodata, 2792K init, 23924K bss, 593008K reserved, 0K cma-reserved) [ 8.756281][ T0] Running RCU self tests [ 8.782979][ T0] rcu: Preemptible hierarchical RCU implementation. [ 8.816404][ T0] rcu: RCU lockdep checking is enabled. [ 8.837572][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 8.871649][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 8.909819][ T0] rcu: RCU debug extended QS entry/exit. [ 8.935658][ T0] All grace periods are expedited (rcu_expedited). [ 8.964185][ T0] Trampoline variant of Tasks RCU enabled. [ 8.983200][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 9.013084][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 9.061147][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 9.175760][ T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0 [ 9.595025][ T0] Console: colour VGA+ 80x25 [ 9.648985][ T0] printk: console [ttyS0] enabled [ 9.648985][ T0] printk: console [ttyS0] enabled [ 9.679811][ T0] printk: bootconsole [earlyser0] disabled [ 9.679811][ T0] printk: bootconsole [earlyser0] disabled [ 9.713870][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 9.732138][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 9.743454][ T0] ... MAX_LOCK_DEPTH: 48 [ 9.759776][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 9.780058][ T0] ... CLASSHASH_SIZE: 4096 [ 9.795924][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 9.822757][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 9.846863][ T0] ... CHAINHASH_SIZE: 32768 [ 9.874193][ T0] memory used by lock dependency info: 6301 kB [ 9.911662][ T0] memory used for stack traces: 4224 kB [ 9.933071][ T0] per task-struct memory footprint: 1920 bytes [ 9.950306][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 9.982279][ T0] ACPI: Core revision 20200717 [ 10.020796][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 10.083013][ T0] APIC: Switch to symmetric I/O mode setup [ 10.130550][ T0] x2apic enabled [ 10.164343][ T0] Switched APIC routing to physical x2apic. [ 10.196707][ T0] kvm-guest: setup PV IPIs [ 10.297916][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 10.331646][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 10.416163][ T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640) [ 10.435956][ T0] pid_max: default: 32768 minimum: 301 [ 10.456805][ T0] LSM: Security Framework initializing [ 10.464660][ T0] LSM: security= is ignored because it is superseded by lsm= [ 10.475175][ T0] Yama: becoming mindful. [ 10.487980][ T0] TOMOYO Linux initialized [ 10.512762][ T0] AppArmor: AppArmor initialized [ 10.514209][ T0] LSM support for eBPF active [ 10.569568][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 10.596132][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 10.609108][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 10.614555][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 10.807270][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 10.837320][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 10.844179][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 10.855935][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 10.874328][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 10.874432][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 10.906146][ T0] TAA: Mitigation: Clear CPU buffers [ 10.914219][ T0] MDS: Mitigation: Clear CPU buffers [ 11.000308][ T0] Freeing SMP alternatives memory: 104K [ 11.494161][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 11.616611][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 11.648178][ T1] rcu: Hierarchical SRCU implementation. [ 11.689491][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 11.710921][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 11.746607][ T1] smp: Bringing up secondary CPUs ... [ 11.832129][ T1] x86: Booting SMP configuration: [ 11.835996][ T1] .... node #0, CPUs: #1 [ 1.139841][ T0] kvm-clock: cpu 1, msr bed2041, secondary cpu clock [ 12.014741][ T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40 [ 12.080688][ 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. [ 12.086373][ 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. [ 12.124591][ T1] #2 [ 1.139841][ T0] kvm-clock: cpu 2, msr bed2081, secondary cpu clock [ 12.238268][ T20] kvm-guest: stealtime: cpu 2, msr 2d020a40 [ 12.308112][ T1] #3 [ 1.139841][ T0] kvm-clock: cpu 3, msr bed20c1, secondary cpu clock [ 12.369278][ T25] kvm-guest: stealtime: cpu 3, msr 2d120a40 [ 12.395248][ T1] smp: Brought up 2 nodes, 4 CPUs [ 12.404458][ T1] smpboot: Max logical packages: 2 [ 12.414339][ T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS) [ 12.492081][ T1] devtmpfs: initialized [ 12.538594][ T1] x86/mm: Memory block size: 128MB [ 12.748662][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 12.834161][ T33] kworker/u17:0 (33) used greatest stack depth: 27544 bytes left [ 12.853592][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 12.954442][ T1] xor: automatically using best checksumming function avx [ 13.037991][ T1] PM: RTC time: 22:10:38, date: 2020-08-24 [ 13.180714][ T1] NET: Registered protocol family 16 [ 13.278659][ T1] audit: initializing netlink subsys (disabled) [ 13.355195][ T40] audit: type=2000 audit(1598307036.665:1): state=initialized audit_enabled=0 res=1 [ 13.412719][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 13.412726][ T1] thermal_sys: Registered thermal governor 'user_space' [ 13.475605][ T1] cpuidle: using governor menu [ 13.554545][ T1] NET: Registered protocol family 42 [ 13.616772][ T1] ACPI: bus type PCI registered [ 13.675655][ T1] dca service started, version 1.12.1 [ 13.694161][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 13.705012][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 14.393925][ T1] PCI: Using configuration type 1 for base access [ 15.334494][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 15.518336][ T1] cryptd: max_cpu_qlen set to 1000 [ 15.814747][ T1] raid6: avx512x4 gen() 13764 MB/s [ 16.006701][ T1] raid6: avx512x4 xor() 5901 MB/s [ 16.194741][ T1] raid6: avx512x2 gen() 9243 MB/s [ 16.404186][ T1] raid6: avx512x2 xor() 4319 MB/s [ 16.613890][ T1] raid6: avx512x1 gen() 5515 MB/s [ 16.832523][ T1] raid6: avx512x1 xor() 2231 MB/s [ 17.026607][ T1] raid6: avx2x4 gen() 7305 MB/s [ 17.227922][ T1] raid6: avx2x4 xor() 3662 MB/s [ 17.514161][ T1] raid6: avx2x2 gen() 3943 MB/s [ 17.733319][ T1] raid6: avx2x2 xor() 2225 MB/s [ 17.909782][ T1] raid6: avx2x1 gen() 3231 MB/s [ 18.104501][ T1] raid6: avx2x1 xor() 1248 MB/s [ 18.299363][ T1] raid6: sse2x4 gen() 4240 MB/s [ 18.508559][ T1] raid6: sse2x4 xor() 2097 MB/s [ 18.710251][ T1] raid6: sse2x2 gen() 2630 MB/s [ 18.922277][ T1] raid6: sse2x2 xor() 1253 MB/s [ 19.139321][ T1] raid6: sse2x1 gen() 1639 MB/s [ 19.332949][ T1] raid6: sse2x1 xor() 668 MB/s [ 19.354258][ T1] raid6: using algorithm avx512x4 gen() 13764 MB/s [ 19.364249][ T1] raid6: .... xor() 5901 MB/s, rmw enabled [ 19.384484][ T1] raid6: using avx512x2 recovery algorithm [ 19.549036][ T1] ACPI: Added _OSI(Module Device) [ 19.564815][ T1] ACPI: Added _OSI(Processor Device) [ 19.604839][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 19.625152][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 19.645345][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 19.674435][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 19.704666][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 19.834561][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 19.983017][ T1] ACPI: Interpreter enabled [ 19.999124][ T1] ACPI: (supports S0 S3 S4 S5) [ 20.004866][ T1] ACPI: Using IOAPIC for interrupt routing [ 20.032408][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 20.074161][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 20.289981][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 20.307164][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 20.341626][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 20.367809][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 20.410216][ T1] PCI host bridge to bus 0000:00 [ 20.424402][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 20.444361][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 20.454251][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 20.474364][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 20.504306][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 20.534310][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 20.574784][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 20.604427][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 20.642223][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 20.710436][ T1] pci 0000:00:01.0: [1234:1111] type 00 class 0x030000 [ 20.794161][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfd000000-0xfdffffff pref] [ 21.094161][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfebf8000-0xfebf8fff] [ 21.274161][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 21.619669][ T1] pci 0000:00:02.0: [8086:10d3] type 00 class 0x020000 [ 21.689129][ T1] pci 0000:00:02.0: reg 0x10: [mem 0xfeb80000-0xfeb9ffff] [ 21.754161][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfeba0000-0xfebbffff] [ 21.820873][ T1] pci 0000:00:02.0: reg 0x18: [io 0xc680-0xc69f] [ 21.859984][ T1] pci 0000:00:02.0: reg 0x1c: [mem 0xfebf0000-0xfebf3fff] [ 21.942874][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb00000-0xfeb3ffff pref] [ 22.116241][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 22.150380][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 22.190145][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc600-0xc63f] [ 22.270389][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 22.325205][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 22.362513][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 22.440311][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 22.474158][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 22.507370][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 22.575405][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 22.621973][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf4000-0xfebf7fff] [ 22.720698][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 22.760037][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 22.800971][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf9000-0xfebf9fff] [ 22.852030][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe000000-0xfe003fff 64bit pref] [ 22.959948][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 23.048830][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 23.185124][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 23.309168][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 23.404850][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 23.521103][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 23.636842][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 23.692143][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebfa000-0xfebfafff] [ 23.789659][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 23.901297][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 23.984095][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x190 took 97656 usecs [ 24.083870][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 24.164870][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 24.230749][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebfb000-0xfebfbfff] [ 24.311336][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 24.401088][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 24.704161][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 24.766585][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 24.819919][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 24.868236][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 24.897476][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 24.938440][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 24.967642][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 25.008129][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 25.045873][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 25.075013][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 25.115157][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 25.124549][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 25.154795][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 25.194617][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 25.224824][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 25.264751][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 25.514161][ T1] iommu: Default domain type: Translated [ 25.605332][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 25.605332][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 25.735326][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 25.784812][ T1] vgaarb: loaded [ 25.932829][ T1] SCSI subsystem initialized [ 25.994162][ T1] ACPI: bus type USB registered [ 26.024738][ T1] usbcore: registered new interface driver usbfs [ 26.045269][ T1] usbcore: registered new interface driver hub [ 26.075436][ T1] usbcore: registered new device driver usb [ 26.096947][ T1] mc: Linux media interface: v0.10 [ 26.114851][ T1] videodev: Linux video capture interface: v2.00 [ 26.140063][ T1] pps_core: LinuxPPS API ver. 1 registered [ 26.164293][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 26.194800][ T1] PTP clock support registered [ 26.219150][ T1] EDAC MC: Ver: 3.0.0 [ 26.300168][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 26.424161][ T1] Bluetooth: Core ver 2.22 [ 26.454699][ T1] NET: Registered protocol family 31 [ 26.484885][ T1] Bluetooth: HCI device and connection manager initialized [ 26.546752][ T1] Bluetooth: HCI socket layer initialized [ 26.584751][ T1] Bluetooth: L2CAP socket layer initialized [ 26.635760][ T1] Bluetooth: SCO socket layer initialized [ 26.665594][ T1] NET: Registered protocol family 8 [ 26.694490][ T1] NET: Registered protocol family 20 [ 26.729721][ T1] NetLabel: Initializing [ 26.765088][ T1] NetLabel: domain hash size = 128 [ 26.804375][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 26.858400][ T1] NetLabel: unlabeled traffic allowed by default [ 26.947366][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 27.037836][ T1] NET: Registered protocol family 39 [ 27.090557][ T1] PCI: Using ACPI for IRQ routing [ 32.109397][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 32.116922][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 32.144161][ T1] clocksource: Switched to clocksource kvm-clock [ 36.670530][ T1] VFS: Disk quotas dquot_6.6.0 [ 36.729595][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 36.893278][ T1] FS-Cache: Loaded [ 37.020116][ T1] CacheFiles: Loaded [ 37.072753][ T1] TOMOYO: 2.6.0 [ 37.101896][ T1] Mandatory Access Control activated. [ 37.158444][ T1] AppArmor: AppArmor Filesystem Enabled [ 37.219953][ T1] pnp: PnP ACPI init [ 37.435908][ T1] pnp: PnP ACPI: found 6 devices [ 37.727114][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 37.798662][ T1] NET: Registered protocol family 2 [ 37.913894][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 37.961609][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 38.061255][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 38.128160][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 38.238462][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 38.321112][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 38.397002][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 38.459177][ T1] NET: Registered protocol family 1 [ 38.551967][ T1] RPC: Registered named UNIX socket transport module. [ 38.590875][ T1] RPC: Registered udp transport module. [ 38.648951][ T1] RPC: Registered tcp transport module. [ 38.720047][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 38.861415][ T1] NET: Registered protocol family 44 [ 38.926600][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 38.998476][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 39.058286][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 39.117249][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 39.189068][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 39.255712][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 39.341993][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 39.431383][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 87476 usecs [ 39.543577][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 39.692675][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 184495 usecs [ 39.790304][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 39.860229][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 91622 usecs [ 39.953599][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 40.027598][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 92901 usecs [ 40.123433][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 40.245459][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 133729 usecs [ 40.345616][ T1] PCI: CLS 0 bytes, default 64 [ 40.493308][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 40.568643][ T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB) [ 40.685989][ T1] kvm: no hardware support [ 40.713392][ T1] has_svm: not amd or hygon [ 40.746160][ T1] kvm: no hardware support [ 40.773299][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 40.845310][ T1] clocksource: Switched to clocksource tsc [ 40.877082][ T1] mce: Machine check injector initialized [ 40.946228][ T1] check: Scanning for low memory corruption every 60 seconds [ 41.687178][ T1] Initialise system trusted keyrings [ 41.746420][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 41.800296][ T1] zbud: loaded [ 41.867372][ T1] DLM installed [ 41.909412][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 42.007879][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 42.073686][ T1] NFS: Registering the id_resolver key type [ 42.105556][ T1] Key type id_resolver registered [ 42.134674][ T1] Key type id_legacy registered [ 42.173800][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 42.220680][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 42.291538][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 42.326376][ T1] Key type cifs.spnego registered [ 42.358768][ T1] Key type cifs.idmap registered [ 42.377332][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 42.408050][ T1] fuse: init (API version 7.31) [ 42.446923][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 42.599478][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 42.651716][ T1] 9p: Installing v9fs 9p2000 file system support [ 42.692324][ T1] FS-Cache: Netfs '9p' registered for caching [ 42.740302][ T1] ocfs2: Registered cluster interface o2cb [ 42.781096][ T1] ocfs2: Registered cluster interface user [ 42.833852][ T1] OCFS2 User DLM kernel interface loaded [ 42.965245][ T1] gfs2: GFS2 installed [ 43.093529][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 43.157098][ T1] ceph: loaded (mds proto 32) [ 43.260570][ T1] NET: Registered protocol family 38 [ 43.307259][ T1] async_tx: api initialized (async) [ 43.344129][ T1] Key type asymmetric registered [ 43.382372][ T1] Asymmetric key parser 'x509' registered [ 43.420836][ T1] Asymmetric key parser 'pkcs8' registered [ 43.460576][ T1] Key type pkcs7_test registered [ 43.493251][ T1] Asymmetric key parser 'tpm_parser' registered [ 43.546075][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 43.630672][ T1] io scheduler mq-deadline registered [ 43.669474][ T1] io scheduler kyber registered [ 43.697963][ T1] io scheduler bfq registered [ 43.940503][ T1] hgafb: HGA card not detected. [ 43.963761][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 43.996557][ T1] usbcore: registered new interface driver udlfb [ 44.062964][ T1] uvesafb: failed to execute /sbin/v86d [ 44.086409][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 44.126162][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 44.154935][ T1] uvesafb: vbe_init() failed with -22 [ 44.176946][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 44.217677][ T1] vga16fb: mapped to 0x00000000ca2c95d2 [ 81.912897][ T1] Console: switching to colour frame buffer device 80x30 [ 90.454275][ C2] hrtimer: interrupt took 34200352 ns [ 135.647444][ T1] fb0: VGA16 VGA frame buffer device [ 135.886475][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 136.002416][ T1] ACPI: Power Button [PWRF] [ 136.351603][ T362] ================================================================== [ 136.358231][ T362] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20 [ 136.358231][ T362] Read of size 8 at addr ffffffff8a2e8cf0 by task kworker/u17:9/362 [ 136.358231][ T362] [ 136.358231][ T362] CPU: 0 PID: 362 Comm: kworker/u17:9 Not tainted 5.9.0-rc2-syzkaller #0 [ 136.358231][ T362] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 136.358231][ T362] Workqueue: events_unbound async_run_entry_fn [ 136.358231][ T362] Call Trace: [ 136.358231][ T362] dump_stack+0x18f/0x20d [ 136.358231][ T362] ? internal_create_group+0x9d8/0xb20 [ 136.358231][ T362] ? internal_create_group+0x9d8/0xb20 [ 136.358231][ T362] print_address_description.constprop.0.cold+0x5/0x497 [ 136.358231][ T362] ? vprintk_func+0x97/0x1a6 [ 136.358231][ T362] ? internal_create_group+0x9d8/0xb20 [ 136.358231][ T362] ? internal_create_group+0x9d8/0xb20 [ 136.744641][ T362] kasan_report.cold+0x1f/0x37 [ 136.774932][ T362] ? internal_create_group+0x9d8/0xb20 [ 136.804552][ T362] ? state_show+0xf0/0xf0 [ 136.834643][ T362] internal_create_group+0x9d8/0xb20 [ 136.864572][ T362] ? sysfs_remove_group+0x170/0x170 [ 136.884659][ T362] internal_create_groups.part.0+0x90/0x140 [ 136.924483][ T362] sysfs_create_groups+0x25/0x50 [ 136.944538][ T362] device_add+0x7fd/0x1c40 [ 136.974598][ T362] ? devlink_add_symlinks+0x450/0x450 [ 136.984871][ T362] ? lock_release+0x8e0/0x8e0 [ 137.024654][ T362] ? lock_downgrade+0x830/0x830 [ 137.044572][ T362] ? __schedule+0x88e/0x21e0 [ 137.054539][ T362] ? nd_synchronize+0x20/0x20 [ 137.074515][ T362] nd_async_device_register+0x12/0x80 [ 137.084490][ T362] async_run_entry_fn+0x121/0x530 [ 137.104442][ T362] process_one_work+0x94c/0x1670 [ 137.124840][ T362] ? lock_release+0x8e0/0x8e0 [ 137.134567][ T362] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 137.164517][ T362] ? rwlock_bug.part.0+0x90/0x90 [ 137.174580][ T362] worker_thread+0x64c/0x1120 [ 137.194474][ T362] ? __kthread_parkme+0x13f/0x1e0 [ 137.214722][ T362] ? process_one_work+0x1670/0x1670 [ 137.214722][ T362] kthread+0x3b5/0x4a0 [ 137.234521][ T362] ? __kthread_bind_mask+0xc0/0xc0 [ 137.254429][ T362] ? __kthread_bind_mask+0xc0/0xc0 [ 137.264503][ T362] ret_from_fork+0x1f/0x30 [ 137.274632][ T362] [ 137.294640][ T362] The buggy address belongs to the variable: [ 137.304392][ T362] nvdimm_firmware_attributes+0x10/0x40 [ 137.325874][ T362] [ 137.325874][ T362] Memory state around the buggy address: [ 137.334396][ T362] ffffffff8a2e8b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 137.354529][ T362] ffffffff8a2e8c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 137.394447][ T362] >ffffffff8a2e8c80: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 f9 f9 [ 137.434581][ T362] ^ [ 137.464872][ T362] ffffffff8a2e8d00: f9 f9 f9 f9 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 [ 137.494595][ T362] ffffffff8a2e8d80: 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 [ 137.524482][ T362] ================================================================== [ 137.545090][ T362] Disabling lock debugging due to kernel taint [ 137.572377][ T362] Kernel panic - not syncing: panic_on_warn set ... [ 137.594770][ T362] CPU: 2 PID: 362 Comm: kworker/u17:9 Tainted: G B 5.9.0-rc2-syzkaller #0 [ 137.634941][ T362] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 137.705053][ T362] Workqueue: events_unbound async_run_entry_fn [ 137.755114][ T362] Call Trace: [ 137.784897][ T362] dump_stack+0x18f/0x20d [ 137.824881][ T362] ? internal_create_group+0x910/0xb20 [ 137.864860][ T362] panic+0x2e3/0x75c [ 137.904970][ T362] ? __warn_printk+0xf3/0xf3 [ 137.944973][ T362] ? preempt_schedule_common+0x59/0xc0 [ 137.984869][ T362] ? internal_create_group+0x9d8/0xb20 [ 138.025045][ T362] ? preempt_schedule_thunk+0x16/0x18 [ 138.065328][ T362] ? trace_hardirqs_on+0x55/0x220 [ 138.095116][ T362] ? internal_create_group+0x9d8/0xb20 [ 138.135384][ T362] ? internal_create_group+0x9d8/0xb20 [ 138.164876][ T362] end_report+0x4d/0x53 [ 138.195173][ T362] kasan_report.cold+0xd/0x37 [ 138.214686][ T362] ? internal_create_group+0x9d8/0xb20 [ 138.244801][ T362] ? state_show+0xf0/0xf0 [ 138.274905][ T362] internal_create_group+0x9d8/0xb20 [ 138.294681][ T362] ? sysfs_remove_group+0x170/0x170 [ 138.324685][ T362] internal_create_groups.part.0+0x90/0x140 [ 138.354897][ T362] sysfs_create_groups+0x25/0x50 [ 138.374834][ T362] device_add+0x7fd/0x1c40 [ 138.394876][ T362] ? devlink_add_symlinks+0x450/0x450 [ 138.414404][ T362] ? lock_release+0x8e0/0x8e0 [ 138.424331][ T362] ? lock_downgrade+0x830/0x830 [ 138.444865][ T362] ? __schedule+0x88e/0x21e0 [ 138.475004][ T362] ? nd_synchronize+0x20/0x20 [ 138.495036][ T362] nd_async_device_register+0x12/0x80 [ 138.524796][ T362] async_run_entry_fn+0x121/0x530 [ 138.554940][ T362] process_one_work+0x94c/0x1670 [ 138.584854][ T362] ? lock_release+0x8e0/0x8e0 [ 138.594557][ T362] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 138.614699][ T362] ? rwlock_bug.part.0+0x90/0x90 [ 138.634688][ T362] worker_thread+0x64c/0x1120 [ 138.644761][ T362] ? __kthread_parkme+0x13f/0x1e0 [ 138.664514][ T362] ? process_one_work+0x1670/0x1670 [ 138.685402][ T362] kthread+0x3b5/0x4a0 [ 138.694456][ T362] ? __kthread_bind_mask+0xc0/0xc0 [ 138.704449][ T362] ? __kthread_bind_mask+0xc0/0xc0 [ 138.714471][ T362] ret_from_fork+0x1f/0x30 [ 138.734689][ T362] Kernel Offset: disabled [ 138.734689][ T362] Rebooting in 86400 seconds..