[ 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 [ 0.000100][ T0] kvm-clock: cpu 0, msr bed2001, primary cpu clock [ 0.000101][ T0] kvm-clock: using sched offset of 20080282737 cycles [ 0.030375][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.129315][ T0] tsc: Detected 2000.164 MHz processor [ 0.234881][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.321792][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.423159][ T0] found SMP MP-table at [mem 0x000f5a40-0x000f5a4f] [ 0.487981][ T0] check: Scanning 1 areas for low memory corruption [ 0.550887][ T0] ACPI: Early table checksum verification disabled [ 0.598137][ T0] ACPI: RSDP 0x00000000000F5870 000014 (v00 BOCHS ) [ 0.632580][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.681764][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.728416][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.782091][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.808284][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.848776][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.883322][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.917740][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 1.000881][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 1.046479][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 1.086072][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 1.100175][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 1.117098][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 1.135957][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 1.156105][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 1.173364][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 1.187382][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 1.199351][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 1.214248][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 1.234758][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 1.252058][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 1.270689][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 1.293116][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 1.334078][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 1.357755][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 1.385681][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 1.408208][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 1.542734][ T0] Zone ranges: [ 1.553944][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 1.573378][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 1.593959][ T0] Normal empty [ 1.606596][ T0] Device empty [ 1.620031][ T0] Movable zone start for each node [ 1.636831][ T0] Early memory node ranges [ 1.656630][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 1.696681][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 1.736700][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.782817][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 1.782984][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 1.887294][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 4.889583][ T0] kasan: KernelAddressSanitizer initialized [ 4.939177][ T0] ACPI: PM-Timer IO Port: 0x608 [ 4.958706][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 4.992472][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 5.026131][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 5.059456][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 5.092074][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 5.125427][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 5.153605][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 5.183617][ T0] Using ACPI (MADT) for SMP configuration information [ 5.213224][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 5.244086][ T0] TSC deadline timer available [ 5.266862][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 5.294849][ T0] kvm-guest: KVM setup pv remote TLB flush [ 5.334181][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 5.374432][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 5.430779][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 5.494086][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 5.568593][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 5.625537][ T0] Booting paravirtualized kernel on KVM [ 5.695858][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 5.898078][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 6.112229][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 6.191171][ T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40 [ 6.243700][ T0] kvm-guest: PV spinlocks enabled [ 6.276630][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 6.347945][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 6.409311][ T0] Policy zone: DMA32 [ 6.444036][ 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 [ 7.020776][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 8.214409][ T0] Memory: 1503356K/2096620K available (116743K kernel code, 17681K rwdata, 21640K rodata, 2792K init, 23924K bss, 593008K reserved, 0K cma-reserved) [ 8.620390][ T0] Running RCU self tests [ 8.650069][ T0] rcu: Preemptible hierarchical RCU implementation. [ 8.685682][ T0] rcu: RCU lockdep checking is enabled. [ 8.718657][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 8.764347][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 8.804974][ T0] rcu: RCU debug extended QS entry/exit. [ 8.838408][ T0] All grace periods are expedited (rcu_expedited). [ 8.881517][ T0] Trampoline variant of Tasks RCU enabled. [ 8.909712][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 8.952026][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 9.010149][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 9.076630][ T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0 [ 9.341477][ T0] Console: colour VGA+ 80x25 [ 9.403649][ T0] printk: console [ttyS0] enabled [ 9.403649][ T0] printk: console [ttyS0] enabled [ 9.452796][ T0] printk: bootconsole [earlyser0] disabled [ 9.452796][ T0] printk: bootconsole [earlyser0] disabled [ 9.503855][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 9.538692][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 9.559545][ T0] ... MAX_LOCK_DEPTH: 48 [ 9.576136][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 9.596606][ T0] ... CLASSHASH_SIZE: 4096 [ 9.617910][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 9.637949][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 9.661837][ T0] ... CHAINHASH_SIZE: 32768 [ 9.692277][ T0] memory used by lock dependency info: 6301 kB [ 9.726253][ T0] memory used for stack traces: 4224 kB [ 9.751217][ T0] per task-struct memory footprint: 1920 bytes [ 9.790985][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 9.854767][ T0] ACPI: Core revision 20200717 [ 9.905786][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 9.974648][ T0] APIC: Switch to symmetric I/O mode setup [ 10.023969][ T0] x2apic enabled [ 10.048654][ T0] Switched APIC routing to physical x2apic. [ 10.068472][ T0] kvm-guest: setup PV IPIs [ 10.172962][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 10.214315][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 10.260526][ T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640) [ 10.280148][ T0] pid_max: default: 32768 minimum: 301 [ 10.309398][ T0] LSM: Security Framework initializing [ 10.319477][ T0] LSM: security= is ignored because it is superseded by lsm= [ 10.330703][ T0] Yama: becoming mindful. [ 10.345169][ T0] SELinux: Initializing. [ 10.355408][ T0] TOMOYO Linux initialized [ 10.361042][ T0] LSM support for eBPF active [ 10.411291][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 10.455279][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 10.460645][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 10.469425][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 10.683232][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 10.709671][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 10.719080][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 10.739676][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 10.749465][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 10.759115][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 10.799367][ T0] TAA: Mitigation: Clear CPU buffers [ 10.809077][ T0] MDS: Mitigation: Clear CPU buffers [ 11.042555][ T0] Freeing SMP alternatives memory: 104K [ 11.404806][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 11.453849][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 11.479065][ T1] rcu: Hierarchical SRCU implementation. [ 11.509065][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 11.531300][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 11.566151][ T1] smp: Bringing up secondary CPUs ... [ 11.586692][ T1] x86: Booting SMP configuration: [ 11.589877][ T1] .... node #0, CPUs: #1 [ 1.069667][ T0] kvm-clock: cpu 1, msr bed2041, secondary cpu clock [ 11.709379][ T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40 [ 11.752478][ 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. [ 11.761867][ 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. [ 11.783368][ T1] #2 [ 1.069667][ T0] kvm-clock: cpu 2, msr bed2081, secondary cpu clock [ 11.871126][ T20] kvm-guest: stealtime: cpu 2, msr 2d020a40 [ 11.927337][ T1] #3 [ 1.069667][ T0] kvm-clock: cpu 3, msr bed20c1, secondary cpu clock [ 12.019896][ T25] kvm-guest: stealtime: cpu 3, msr 2d120a40 [ 12.040335][ T1] smp: Brought up 2 nodes, 4 CPUs [ 12.049431][ T1] smpboot: Max logical packages: 2 [ 12.059330][ T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS) [ 12.180035][ T1] devtmpfs: initialized [ 12.204899][ T1] x86/mm: Memory block size: 128MB [ 12.340930][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 12.422482][ T33] kworker/u17:0 (33) used greatest stack depth: 27544 bytes left [ 12.434152][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 12.584253][ T1] xor: automatically using best checksumming function avx [ 12.672204][ T1] PM: RTC time: 22:26:56, date: 2020-08-23 [ 12.777619][ T1] NET: Registered protocol family 16 [ 12.850904][ T1] audit: initializing netlink subsys (disabled) [ 12.922056][ T41] audit: type=2000 audit(1598221615.860:1): state=initialized audit_enabled=0 res=1 [ 12.929065][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 12.929065][ T1] thermal_sys: Registered thermal governor 'user_space' [ 12.971572][ T1] cpuidle: using governor menu [ 13.071960][ T1] NET: Registered protocol family 42 [ 13.136980][ T1] ACPI: bus type PCI registered [ 13.202388][ T1] dca service started, version 1.12.1 [ 13.223974][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 13.230343][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 14.214348][ T1] PCI: Using configuration type 1 for base access [ 15.363922][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 15.569950][ T1] cryptd: max_cpu_qlen set to 1000 [ 15.911814][ T1] raid6: avx512x4 gen() 13183 MB/s [ 16.103768][ T1] raid6: avx512x4 xor() 5712 MB/s [ 16.297925][ T1] raid6: avx512x2 gen() 10834 MB/s [ 16.471547][ T1] raid6: avx512x2 xor() 4803 MB/s [ 16.669065][ T1] raid6: avx512x1 gen() 6730 MB/s [ 16.859842][ T1] raid6: avx512x1 xor() 2622 MB/s [ 17.040901][ T1] raid6: avx2x4 gen() 8374 MB/s [ 17.249088][ T1] raid6: avx2x4 xor() 4212 MB/s [ 17.438919][ T1] raid6: avx2x2 gen() 5887 MB/s [ 17.615290][ T1] raid6: avx2x2 xor() 2747 MB/s [ 17.790207][ T1] raid6: avx2x1 gen() 3737 MB/s [ 17.981697][ T1] raid6: avx2x1 xor() 1415 MB/s [ 18.170806][ T1] raid6: sse2x4 gen() 3962 MB/s [ 18.360029][ T1] raid6: sse2x4 xor() 2546 MB/s [ 18.559065][ T1] raid6: sse2x2 gen() 2817 MB/s [ 18.743944][ T1] raid6: sse2x2 xor() 1478 MB/s [ 18.923176][ T1] raid6: sse2x1 gen() 1463 MB/s [ 19.102999][ T1] raid6: sse2x1 xor() 649 MB/s [ 19.119193][ T1] raid6: using algorithm avx512x4 gen() 13183 MB/s [ 19.139317][ T1] raid6: .... xor() 5712 MB/s, rmw enabled [ 19.159850][ T1] raid6: using avx512x2 recovery algorithm [ 19.309065][ T1] ACPI: Added _OSI(Module Device) [ 19.341054][ T1] ACPI: Added _OSI(Processor Device) [ 19.369708][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 19.402510][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 19.431225][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 19.449225][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 19.479722][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 19.638793][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 19.875158][ T1] ACPI: Interpreter enabled [ 19.932268][ T1] ACPI: (supports S0 S3 S4 S5) [ 19.970292][ T1] ACPI: Using IOAPIC for interrupt routing [ 20.035378][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 20.114845][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 20.488965][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 20.554769][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 20.636898][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 20.673557][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 20.749484][ T1] PCI host bridge to bus 0000:00 [ 20.779580][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 20.819859][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 20.879647][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 20.950054][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 21.019674][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 21.089390][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 21.149734][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 21.219678][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 21.300960][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 21.455272][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 [ 21.619065][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref] [ 21.849065][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref] [ 21.999065][ T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff] [ 22.149065][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 22.478675][ T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 [ 22.546966][ T1] pci 0000:00:02.0: reg 0x10: [io 0xc680-0xc69f] [ 22.642228][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 22.681869][ T1] pci 0000:00:02.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref] [ 22.698820][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 22.784432][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 22.867851][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 22.936535][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc600-0xc63f] [ 23.063315][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] [ 23.192823][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 23.272319][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 23.403210][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 23.479836][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 23.545028][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 23.653001][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 23.705214][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf0000-0xfebf3fff] [ 23.799858][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 23.848024][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 23.896558][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 23.970835][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref] [ 24.089299][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 24.187526][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 24.253664][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 24.336188][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 24.391454][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 24.455449][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 24.520396][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 24.575252][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf7000-0xfebf7fff] [ 24.653445][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 24.793137][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 24.889065][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x190 took 107421 usecs [ 25.029595][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 25.139735][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 25.206672][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf8000-0xfebf8fff] [ 25.318297][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 25.412952][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 25.697601][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 25.763964][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 25.824840][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 25.873849][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 25.925913][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 25.984304][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 26.023416][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 26.074310][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 26.110705][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 26.139790][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 26.169552][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 26.189552][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 26.219952][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 26.259865][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 26.289677][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 26.319660][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 26.589065][ T1] iommu: Default domain type: Translated [ 26.739065][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 26.739065][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 26.890029][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 26.939505][ T1] vgaarb: loaded [ 27.059449][ T1] SCSI subsystem initialized [ 27.146239][ T1] ACPI: bus type USB registered [ 27.210985][ T1] usbcore: registered new interface driver usbfs [ 27.293689][ T1] usbcore: registered new interface driver hub [ 27.359066][ T1] usbcore: registered new device driver usb [ 27.430637][ T1] mc: Linux media interface: v0.10 [ 27.480140][ T1] videodev: Linux video capture interface: v2.00 [ 27.537962][ T1] pps_core: LinuxPPS API ver. 1 registered [ 27.579496][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 27.679894][ T1] PTP clock support registered [ 27.735363][ T1] EDAC MC: Ver: 3.0.0 [ 27.845398][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 28.017022][ T1] Bluetooth: Core ver 2.22 [ 28.053681][ T1] NET: Registered protocol family 31 [ 28.099445][ T1] Bluetooth: HCI device and connection manager initialized [ 28.161480][ T1] Bluetooth: HCI socket layer initialized [ 28.209614][ T1] Bluetooth: L2CAP socket layer initialized [ 28.250154][ T1] Bluetooth: SCO socket layer initialized [ 28.301630][ T1] NET: Registered protocol family 8 [ 28.339370][ T1] NET: Registered protocol family 20 [ 28.374770][ T1] NetLabel: Initializing [ 28.399287][ T1] NetLabel: domain hash size = 128 [ 28.439170][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 28.501429][ T1] NetLabel: unlabeled traffic allowed by default [ 28.566155][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 28.611747][ T1] NET: Registered protocol family 39 [ 28.652928][ T1] PCI: Using ACPI for IRQ routing [ 31.964629][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 31.991150][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 32.042479][ T1] clocksource: Switched to clocksource kvm-clock [ 36.262543][ T1] VFS: Disk quotas dquot_6.6.0 [ 36.278104][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 36.306973][ T1] FS-Cache: Loaded [ 36.351820][ T1] CacheFiles: Loaded [ 36.375729][ T1] TOMOYO: 2.6.0 [ 36.384118][ T1] Mandatory Access Control activated. [ 36.406672][ T1] pnp: PnP ACPI init [ 36.530145][ T1] pnp: PnP ACPI: found 6 devices [ 36.825392][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 36.897320][ T1] NET: Registered protocol family 2 [ 36.998996][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 37.051510][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 37.136389][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 37.200964][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 37.290518][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 37.342955][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 37.392199][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 37.444291][ T1] NET: Registered protocol family 1 [ 37.508567][ T1] RPC: Registered named UNIX socket transport module. [ 37.557270][ T1] RPC: Registered udp transport module. [ 37.591719][ T1] RPC: Registered tcp transport module. [ 37.632709][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 37.706036][ T1] NET: Registered protocol family 44 [ 37.747288][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 37.795687][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 37.839594][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 37.883008][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 37.919882][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 37.964948][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 38.033251][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 38.090143][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 58518 usecs [ 38.195818][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 38.288674][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 137398 usecs [ 38.355112][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 38.407323][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 67044 usecs [ 38.476615][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 38.533486][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 69816 usecs [ 38.594884][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 38.680588][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 98833 usecs [ 38.718182][ T1] PCI: CLS 0 bytes, default 64 [ 38.784021][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 38.812576][ T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB) [ 38.885838][ T1] kvm: no hardware support [ 38.912372][ T1] has_svm: not amd or hygon [ 38.936569][ T1] kvm: no hardware support [ 38.965385][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 39.028628][ T1] clocksource: Switched to clocksource tsc [ 39.064770][ T1] mce: Machine check injector initialized [ 39.267158][ T1] check: Scanning for low memory corruption every 60 seconds [ 40.168908][ T1] Initialise system trusted keyrings [ 40.244171][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 40.307016][ T1] zbud: loaded [ 40.381194][ T1] DLM installed [ 40.428357][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 40.528098][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 40.605707][ T1] NFS: Registering the id_resolver key type [ 40.663342][ T1] Key type id_resolver registered [ 40.715717][ T1] Key type id_legacy registered [ 40.768107][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 40.855904][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 41.001297][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 41.146879][ T1] Key type cifs.spnego registered [ 41.194777][ T1] Key type cifs.idmap registered [ 41.237161][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 41.296576][ T1] fuse: init (API version 7.31) [ 41.363504][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 41.633730][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 41.814849][ T1] 9p: Installing v9fs 9p2000 file system support [ 41.867994][ T1] FS-Cache: Netfs '9p' registered for caching [ 41.922753][ T1] ocfs2: Registered cluster interface o2cb [ 41.990949][ T1] ocfs2: Registered cluster interface user [ 42.085973][ T1] OCFS2 User DLM kernel interface loaded [ 42.335630][ T1] gfs2: GFS2 installed [ 42.420871][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 42.490607][ T1] ceph: loaded (mds proto 32) [ 42.722711][ T1] NET: Registered protocol family 38 [ 42.796714][ T1] async_tx: api initialized (async) [ 42.860691][ T1] Key type asymmetric registered [ 42.918166][ T1] Asymmetric key parser 'x509' registered [ 42.973562][ T1] Asymmetric key parser 'pkcs8' registered [ 43.033112][ T1] Key type pkcs7_test registered [ 43.076035][ T1] Asymmetric key parser 'tpm_parser' registered [ 43.126208][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 43.237814][ T1] io scheduler mq-deadline registered [ 43.295319][ T1] io scheduler kyber registered [ 43.357038][ T1] io scheduler bfq registered [ 43.490218][ T1] hgafb: HGA card not detected. [ 43.539628][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 43.615065][ T1] usbcore: registered new interface driver udlfb [ 43.703968][ T1] uvesafb: failed to execute /sbin/v86d [ 43.752687][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 43.825546][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 43.908888][ T1] uvesafb: vbe_init() failed with -22 [ 43.965470][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 44.044499][ T1] vga16fb: mapped to 0x00000000aec863c7 [ 51.409750][ C1] hrtimer: interrupt took 76929128 ns [ 88.586910][ T1] Console: switching to colour frame buffer device 80x30 [ 122.733819][ T1] fb0: VGA16 VGA frame buffer device [ 122.885246][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 122.978521][ T1809] kworker/u17:1 (1809) used greatest stack depth: 27424 bytes left [ 123.028429][ T1] ACPI: Power Button [PWRF] [ 123.358998][ T586] ================================================================== [ 123.365385][ T586] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20 [ 123.365385][ T586] Read of size 8 at addr ffffffff8a2e8cf0 by task kworker/u17:9/586 [ 123.365385][ T586] [ 123.365385][ T586] CPU: 2 PID: 586 Comm: kworker/u17:9 Not tainted 5.9.0-rc2-syzkaller #0 [ 123.365385][ T586] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 123.365385][ T586] Workqueue: events_unbound async_run_entry_fn [ 123.491607][ T586] Call Trace: [ 123.491607][ T586] dump_stack+0x18f/0x20d [ 123.491607][ T586] ? internal_create_group+0x9d8/0xb20 [ 123.491607][ T586] ? internal_create_group+0x9d8/0xb20 [ 123.491607][ T586] print_address_description.constprop.0.cold+0x5/0x497 [ 123.491607][ T586] ? vprintk_func+0x97/0x1a6 [ 123.491607][ T586] ? internal_create_group+0x9d8/0xb20 [ 123.491607][ T586] ? internal_create_group+0x9d8/0xb20 [ 123.491607][ T586] kasan_report.cold+0x1f/0x37 [ 123.491607][ T586] ? internal_create_group+0x9d8/0xb20 [ 123.491607][ T586] ? state_show+0xf0/0xf0 [ 123.491607][ T586] internal_create_group+0x9d8/0xb20 [ 123.491607][ T586] ? sysfs_remove_group+0x170/0x170 [ 123.491607][ T586] internal_create_groups.part.0+0x90/0x140 [ 123.491607][ T586] sysfs_create_groups+0x25/0x50 [ 123.491607][ T586] device_add+0x7fd/0x1c40 [ 123.491607][ T586] ? devlink_add_symlinks+0x450/0x450 [ 123.491607][ T586] ? lock_release+0x8e0/0x8e0 [ 123.491607][ T586] ? lock_downgrade+0x830/0x830 [ 123.491607][ T586] ? __schedule+0x88e/0x21e0 [ 123.491607][ T586] ? nd_synchronize+0x20/0x20 [ 123.491607][ T586] nd_async_device_register+0x12/0x80 [ 123.491607][ T586] async_run_entry_fn+0x121/0x530 [ 123.491607][ T586] process_one_work+0x94c/0x1670 [ 123.491607][ T586] ? lock_release+0x8e0/0x8e0 [ 123.491607][ T586] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 123.491607][ T586] ? rwlock_bug.part.0+0x90/0x90 [ 123.491607][ T586] worker_thread+0x64c/0x1120 [ 123.491607][ T586] ? __kthread_parkme+0x13f/0x1e0 [ 123.491607][ T586] ? process_one_work+0x1670/0x1670 [ 123.491607][ T586] kthread+0x3b5/0x4a0 [ 123.491607][ T586] ? __kthread_bind_mask+0xc0/0xc0 [ 123.491607][ T586] ? __kthread_bind_mask+0xc0/0xc0 [ 123.491607][ T586] ret_from_fork+0x1f/0x30 [ 123.491607][ T586] [ 123.491607][ T586] The buggy address belongs to the variable: [ 123.491607][ T586] nvdimm_firmware_attributes+0x10/0x40 [ 123.491607][ T586] [ 123.491607][ T586] Memory state around the buggy address: [ 123.491607][ T586] ffffffff8a2e8b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 123.491607][ T586] ffffffff8a2e8c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 123.491607][ T586] >ffffffff8a2e8c80: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 f9 f9 [ 123.491607][ T586] ^ [ 123.491607][ T586] ffffffff8a2e8d00: f9 f9 f9 f9 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 [ 123.491607][ T586] ffffffff8a2e8d80: 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 [ 123.491607][ T586] ================================================================== [ 123.491607][ T586] Disabling lock debugging due to kernel taint [ 124.729871][ T586] Kernel panic - not syncing: panic_on_warn set ... [ 124.739643][ T586] CPU: 2 PID: 586 Comm: kworker/u17:9 Tainted: G B 5.9.0-rc2-syzkaller #0 [ 124.739643][ T586] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 124.739643][ T586] Workqueue: events_unbound async_run_entry_fn [ 124.739643][ T586] Call Trace: [ 124.739643][ T586] dump_stack+0x18f/0x20d [ 124.739643][ T586] ? internal_create_group+0x910/0xb20 [ 124.739643][ T586] panic+0x2e3/0x75c [ 124.739643][ T586] ? __warn_printk+0xf3/0xf3 [ 124.739643][ T586] ? preempt_schedule_common+0x59/0xc0 [ 124.739643][ T586] ? internal_create_group+0x9d8/0xb20 [ 124.739643][ T586] ? preempt_schedule_thunk+0x16/0x18 [ 124.739643][ T586] ? trace_hardirqs_on+0x55/0x220 [ 124.739643][ T586] ? internal_create_group+0x9d8/0xb20 [ 124.739643][ T586] ? internal_create_group+0x9d8/0xb20 [ 124.739643][ T586] end_report+0x4d/0x53 [ 124.739643][ T586] kasan_report.cold+0xd/0x37 [ 124.739643][ T586] ? internal_create_group+0x9d8/0xb20 [ 124.739643][ T586] ? state_show+0xf0/0xf0 [ 124.739643][ T586] internal_create_group+0x9d8/0xb20 [ 124.739643][ T586] ? sysfs_remove_group+0x170/0x170 [ 124.739643][ T586] internal_create_groups.part.0+0x90/0x140 [ 124.739643][ T586] sysfs_create_groups+0x25/0x50 [ 124.739643][ T586] device_add+0x7fd/0x1c40 [ 124.739643][ T586] ? devlink_add_symlinks+0x450/0x450 [ 124.739643][ T586] ? lock_release+0x8e0/0x8e0 [ 124.739643][ T586] ? lock_downgrade+0x830/0x830 [ 124.739643][ T586] ? __schedule+0x88e/0x21e0 [ 124.739643][ T586] ? nd_synchronize+0x20/0x20 [ 124.739643][ T586] nd_async_device_register+0x12/0x80 [ 124.739643][ T586] async_run_entry_fn+0x121/0x530 [ 124.739643][ T586] process_one_work+0x94c/0x1670 [ 124.739643][ T586] ? lock_release+0x8e0/0x8e0 [ 124.739643][ T586] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 124.739643][ T586] ? rwlock_bug.part.0+0x90/0x90 [ 124.739643][ T586] worker_thread+0x64c/0x1120 [ 124.739643][ T586] ? __kthread_parkme+0x13f/0x1e0 [ 125.569903][ T586] ? process_one_work+0x1670/0x1670 [ 125.569903][ T586] kthread+0x3b5/0x4a0 [ 125.569903][ T586] ? __kthread_bind_mask+0xc0/0xc0 [ 125.569903][ T586] ? __kthread_bind_mask+0xc0/0xc0 [ 125.569903][ T586] ret_from_fork+0x1f/0x30 [ 125.569903][ T586] Kernel Offset: disabled [ 125.569903][ T586] Rebooting in 86400 seconds..