[ 0.000000][ T0] Linux version 5.8.0-syzkaller (syzkaller@syzkaller) (gcc (GCC) 10.1.0-syz 20200507, GNU ld (GNU Binutils for Debian) 2.28) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=selinux lsm=lockdown,yama,safesetid,integrity,selinux,tomoyo,bpf ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 rcupdate.rcu_expedited=1 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] Centaur CentaurHauls [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: xstate_offset[5]: 1088, xstate_sizes[5]: 64 [ 0.000000][ T0] x86/fpu: xstate_offset[6]: 1152, xstate_sizes[6]: 512 [ 0.000000][ T0] x86/fpu: xstate_offset[7]: 1664, xstate_sizes[7]: 1024 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2688 bytes, using 'standard' format. [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x000000007ffdcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000007ffdd000-0x000000007fffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.8 present. [ 0.000000][ T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000231][ T0] kvm-clock: cpu 0, msr becd001, primary cpu clock [ 0.000232][ T0] kvm-clock: using sched offset of 57248652337 cycles [ 0.097878][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.374126][ T0] tsc: Detected 2000.164 MHz processor [ 0.580530][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.714446][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.837973][ T0] found SMP MP-table at [mem 0x000f5a40-0x000f5a4f] [ 0.942338][ T0] check: Scanning 1 areas for low memory corruption [ 1.095450][ T0] ACPI: Early table checksum verification disabled [ 1.241583][ T0] ACPI: RSDP 0x00000000000F5870 000014 (v00 BOCHS ) [ 1.358377][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 1.521680][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 1.664323][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 1.819327][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 1.898613][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 2.025578][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 2.154116][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 2.277152][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 2.399207][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 2.552065][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 2.730450][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 2.779965][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 2.826258][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 2.874348][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 2.938032][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 3.010564][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 3.080489][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 3.145775][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 3.216413][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 3.295390][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 3.381659][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 3.445214][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 3.547107][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 3.682091][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 3.773770][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 3.884992][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 3.967223][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 4.598399][ T0] Zone ranges: [ 4.631718][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 4.704751][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 4.769778][ T0] Normal empty [ 4.802298][ T0] Device empty [ 4.837394][ T0] Movable zone start for each node [ 4.890392][ T0] Early memory node ranges [ 4.941405][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 5.025690][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 5.110697][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 5.197564][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 5.197702][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 5.401312][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 16.562067][ T0] kasan: KernelAddressSanitizer initialized [ 16.695294][ T0] ACPI: PM-Timer IO Port: 0x608 [ 16.757901][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 16.854612][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 16.954521][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 17.058811][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 17.154959][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 17.260330][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 17.363634][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 17.465116][ T0] Using ACPI (MADT) for SMP configuration information [ 17.555703][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 17.646729][ T0] TSC deadline timer available [ 17.702102][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 17.768373][ T0] kvm-guest: KVM setup pv remote TLB flush [ 17.828552][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 17.930916][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 18.022643][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 18.103085][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 18.185083][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 18.266543][ T0] Booting paravirtualized kernel on KVM [ 18.354472][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 18.605433][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 18.915711][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 19.034442][ T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40 [ 19.117356][ T0] kvm-guest: PV spinlocks enabled [ 19.174677][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 19.292698][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 19.378016][ T0] Policy zone: DMA32 [ 19.412413][ 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 [ 20.034566][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 22.040279][ T0] Memory: 1503356K/2096620K available (116743K kernel code, 17662K rwdata, 21620K rodata, 2792K init, 23944K bss, 593008K reserved, 0K cma-reserved) [ 22.512012][ T0] Running RCU self tests [ 22.558660][ T0] rcu: Preemptible hierarchical RCU implementation. [ 22.622596][ T0] rcu: RCU lockdep checking is enabled. [ 22.680429][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 22.772651][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 22.856317][ T0] rcu: RCU debug extended QS entry/exit. [ 22.919980][ T0] All grace periods are expedited (rcu_expedited). [ 22.989818][ T0] Trampoline variant of Tasks RCU enabled. [ 23.055703][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 23.147320][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 23.265370][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 23.444402][ T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0 [ 24.618479][ T0] Console: colour VGA+ 80x25 [ 24.833425][ T0] printk: console [ttyS0] enabled [ 24.833425][ T0] printk: console [ttyS0] enabled [ 24.979921][ T0] printk: bootconsole [earlyser0] disabled [ 24.979921][ T0] printk: bootconsole [earlyser0] disabled [ 25.143444][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 25.243861][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 25.297015][ T0] ... MAX_LOCK_DEPTH: 48 [ 25.353213][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 25.392629][ T0] ... CLASSHASH_SIZE: 4096 [ 25.445119][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 25.518102][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 25.576238][ T0] ... CHAINHASH_SIZE: 32768 [ 25.621775][ T0] memory used by lock dependency info: 6301 kB [ 25.687957][ T0] memory used for stack traces: 4224 kB [ 25.746862][ T0] per task-struct memory footprint: 1920 bytes [ 25.819562][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 25.948220][ T0] ACPI: Core revision 20200717 [ 26.059158][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 26.226070][ T0] APIC: Switch to symmetric I/O mode setup [ 26.375925][ T0] x2apic enabled [ 26.474942][ T0] Switched APIC routing to physical x2apic. [ 26.553931][ T0] kvm-guest: setup PV IPIs [ 26.860691][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 26.932524][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 27.045168][ T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640) [ 27.063626][ T0] pid_max: default: 32768 minimum: 301 [ 27.090944][ T0] LSM: Security Framework initializing [ 27.094644][ T0] LSM: security= is ignored because it is superseded by lsm= [ 27.113716][ T0] Yama: becoming mindful. [ 27.147011][ T0] SELinux: Initializing. [ 27.185291][ T0] TOMOYO Linux initialized [ 27.209148][ T0] LSM support for eBPF active [ 27.288090][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 27.315590][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 27.324459][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 27.333952][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 27.847746][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 27.925587][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 27.933621][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 27.961693][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 27.974159][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 27.985814][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 28.007603][ T0] TAA: Mitigation: Clear CPU buffers [ 28.013680][ T0] MDS: Mitigation: Clear CPU buffers [ 28.342387][ T0] Freeing SMP alternatives memory: 104K [ 29.182693][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 29.289570][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 29.329766][ T1] rcu: Hierarchical SRCU implementation. [ 29.381523][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 29.413595][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 29.495798][ T1] smp: Bringing up secondary CPUs ... [ 29.596661][ T1] x86: Booting SMP configuration: [ 29.605925][ T1] .... node #0, CPUs: #1 [ 3.454317][ T0] kvm-clock: cpu 1, msr becd041, secondary cpu clock [ 29.863971][ T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40 [ 29.954476][ 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. [ 29.973595][ 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. [ 30.023101][ T1] #2 [ 3.454317][ T0] kvm-clock: cpu 2, msr becd081, secondary cpu clock [ 30.236719][ T20] kvm-guest: stealtime: cpu 2, msr 2d020a40 [ 30.361850][ T1] #3 [ 3.454317][ T0] kvm-clock: cpu 3, msr becd0c1, secondary cpu clock [ 30.573596][ T25] kvm-guest: stealtime: cpu 3, msr 2d120a40 [ 30.651582][ T1] smp: Brought up 2 nodes, 4 CPUs [ 30.653873][ T1] smpboot: Max logical packages: 2 [ 30.664244][ T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS) [ 30.815731][ T1] devtmpfs: initialized [ 30.858900][ T1] x86/mm: Memory block size: 128MB [ 31.085796][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 31.093595][ T35] kworker/u17:0 (35) used greatest stack depth: 27544 bytes left [ 31.103285][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 31.286560][ T1] xor: automatically using best checksumming function avx [ 31.425433][ T1] PM: RTC time: 01:08:35, date: 2020-08-12 [ 31.524561][ T1] NET: Registered protocol family 16 [ 31.619682][ T1] audit: initializing netlink subsys (disabled) [ 31.716267][ T40] audit: type=2000 audit(1597194510.562:1): state=initialized audit_enabled=0 res=1 [ 31.816337][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 31.816344][ T1] thermal_sys: Registered thermal governor 'user_space' [ 31.842005][ T1] cpuidle: using governor menu [ 31.875717][ T1] NET: Registered protocol family 42 [ 31.970770][ T1] ACPI: bus type PCI registered [ 32.029591][ T1] dca service started, version 1.12.1 [ 32.059720][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 32.065979][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 33.281110][ T1] PCI: Using configuration type 1 for base access [ 33.906376][ T597] kworker/u17:2 (597) used greatest stack depth: 27472 bytes left [ 34.067365][ T602] kworker/u17:4 (602) used greatest stack depth: 27248 bytes left [ 34.680720][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 35.461546][ T1] cryptd: max_cpu_qlen set to 1000 [ 36.344973][ T1] raid6: avx512x4 gen() 12449 MB/s [ 36.584144][ T1] raid6: avx512x4 xor() 5254 MB/s [ 36.822992][ T1] raid6: avx512x2 gen() 8164 MB/s [ 37.072850][ T1] raid6: avx512x2 xor() 3816 MB/s [ 37.341885][ T1] raid6: avx512x1 gen() 5103 MB/s [ 37.607592][ T1] raid6: avx512x1 xor() 1976 MB/s [ 37.883619][ T1] raid6: avx2x4 gen() 6608 MB/s [ 38.131100][ T1] raid6: avx2x4 xor() 2936 MB/s [ 38.385336][ T1] raid6: avx2x2 gen() 4017 MB/s [ 38.564115][ T1] raid6: avx2x2 xor() 2523 MB/s [ 38.744334][ T1] raid6: avx2x1 gen() 3197 MB/s [ 38.924266][ T1] raid6: avx2x1 xor() 1264 MB/s [ 39.106382][ T1] raid6: sse2x4 gen() 4085 MB/s [ 39.336310][ T1] raid6: sse2x4 xor() 2249 MB/s [ 39.574896][ T1] raid6: sse2x2 gen() 2652 MB/s [ 39.833595][ T1] raid6: sse2x2 xor() 1262 MB/s [ 40.084434][ T1] raid6: sse2x1 gen() 1632 MB/s [ 40.339052][ T1] raid6: sse2x1 xor() 691 MB/s [ 40.414204][ T1] raid6: using algorithm avx512x4 gen() 12449 MB/s [ 40.493963][ T1] raid6: .... xor() 5254 MB/s, rmw enabled [ 40.565715][ T1] raid6: using avx512x2 recovery algorithm [ 40.675981][ T1] ACPI: Added _OSI(Module Device) [ 40.744393][ T1] ACPI: Added _OSI(Processor Device) [ 40.804184][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 40.874938][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 40.945640][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 40.994541][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 41.064205][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 41.335903][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 41.837449][ T1] ACPI: Interpreter enabled [ 41.867368][ T1] ACPI: (supports S0 S3 S4 S5) [ 41.876069][ T1] ACPI: Using IOAPIC for interrupt routing [ 41.897581][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 41.913595][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 42.393010][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 42.405767][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 42.472575][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 42.479393][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 42.540893][ T1] PCI host bridge to bus 0000:00 [ 42.544982][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 42.555284][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 42.564374][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 42.574228][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 42.584163][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 42.594171][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 42.603844][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 42.620190][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 42.656420][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 42.856900][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 [ 43.053595][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref] [ 43.283595][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref] [ 43.413595][ T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff] [ 43.573595][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 44.493595][ T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 [ 44.541268][ T1] pci 0000:00:02.0: reg 0x10: [io 0xc680-0xc69f] [ 44.566990][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 44.618151][ T1] pci 0000:00:02.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref] [ 44.647847][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 44.817627][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 44.845780][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 44.864350][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc600-0xc63f] [ 44.924046][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] [ 44.992582][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 45.010037][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 45.116034][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 45.144588][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 45.164015][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 45.270298][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 45.297081][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf0000-0xfebf3fff] [ 45.487194][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 45.518555][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 45.539374][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 45.593376][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref] [ 45.796822][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 45.874732][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 45.944304][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 46.018729][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 46.073378][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 46.121758][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 46.171040][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 46.186586][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf7000-0xfebf7fff] [ 46.274160][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 46.372840][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 46.383595][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x190 took 29296 usecs [ 46.450257][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 46.521794][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 46.538470][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf8000-0xfebf8fff] [ 46.641524][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 46.705723][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 47.093595][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 47.132085][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 47.142200][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 47.152159][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 47.165843][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 47.179764][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 47.191051][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 47.201120][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 47.207425][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 47.214392][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 47.453595][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 47.538548][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 47.545919][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 47.555479][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 47.565417][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 47.575108][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 48.903595][ T1] iommu: Default domain type: Translated [ 49.043595][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 49.043595][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 49.055216][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 49.064346][ T1] vgaarb: loaded [ 49.283556][ T1] SCSI subsystem initialized [ 49.385758][ T1] ACPI: bus type USB registered [ 49.494672][ T1] usbcore: registered new interface driver usbfs [ 49.580229][ T1] usbcore: registered new interface driver hub [ 49.664138][ T1] usbcore: registered new device driver usb [ 49.759871][ T1] mc: Linux media interface: v0.10 [ 49.825835][ T1] videodev: Linux video capture interface: v2.00 [ 49.934766][ T1] pps_core: LinuxPPS API ver. 1 registered [ 50.014073][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 50.155830][ T1] PTP clock support registered [ 50.244930][ T1] EDAC MC: Ver: 3.0.0 [ 51.433595][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 51.863595][ T1] Bluetooth: Core ver 2.22 [ 51.937824][ T1] NET: Registered protocol family 31 [ 52.014400][ T1] Bluetooth: HCI device and connection manager initialized [ 52.138754][ T1] Bluetooth: HCI socket layer initialized [ 52.225403][ T1] Bluetooth: L2CAP socket layer initialized [ 52.333466][ T1] Bluetooth: SCO socket layer initialized [ 52.429848][ T1] NET: Registered protocol family 8 [ 52.524286][ T1] NET: Registered protocol family 20 [ 52.619067][ T1] NetLabel: Initializing [ 52.675787][ T1] NetLabel: domain hash size = 128 [ 52.744278][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 52.844325][ T1] NetLabel: unlabeled traffic allowed by default [ 53.006464][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 53.073595][ T1] NET: Registered protocol family 39 [ 53.158509][ T1] PCI: Using ACPI for IRQ routing [ 65.629207][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 65.719873][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 65.863595][ T1] clocksource: Switched to clocksource kvm-clock [ 73.891358][ T1] VFS: Disk quotas dquot_6.6.0 [ 74.204376][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 74.509529][ T1] FS-Cache: Loaded [ 74.824503][ T1] CacheFiles: Loaded [ 74.950544][ T1] TOMOYO: 2.6.0 [ 75.005692][ T1] Mandatory Access Control activated. [ 75.182223][ T1] pnp: PnP ACPI init [ 75.806172][ T1] pnp: PnP ACPI: found 6 devices [ 76.551452][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 76.737678][ T1] NET: Registered protocol family 2 [ 76.932268][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 77.050210][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 77.189117][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 77.296633][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 77.436094][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 77.559988][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 77.663195][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 77.778057][ T1] NET: Registered protocol family 1 [ 77.949436][ T1] RPC: Registered named UNIX socket transport module. [ 78.043318][ T1] RPC: Registered udp transport module. [ 78.143466][ T1] RPC: Registered tcp transport module. [ 78.231815][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 78.453220][ T1] NET: Registered protocol family 44 [ 78.588201][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 78.716542][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 78.858272][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 78.992498][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 79.123455][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 79.250432][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 79.409798][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 79.567586][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 161203 usecs [ 79.884348][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 80.282472][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 514617 usecs [ 80.455536][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 80.592402][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 162570 usecs [ 80.759153][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 80.890444][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 149785 usecs [ 81.072310][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 81.274595][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 226556 usecs [ 81.449123][ T1] PCI: CLS 0 bytes, default 64 [ 81.775944][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 82.305702][ T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB) [ 83.217378][ T1] kvm: no hardware support [ 83.312437][ T1] has_svm: not amd or hygon [ 83.398406][ T1] kvm: no hardware support [ 83.515484][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 83.736084][ T1] clocksource: Switched to clocksource tsc [ 83.947894][ T1] mce: Machine check injector initialized [ 84.401872][ T1] check: Scanning for low memory corruption every 60 seconds [ 86.399103][ T1] Initialise system trusted keyrings [ 86.560060][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 86.650463][ T1] zbud: loaded [ 86.867656][ T1] DLM installed [ 86.908812][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 87.017230][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 87.159380][ T1] NFS: Registering the id_resolver key type [ 87.226631][ T1] Key type id_resolver registered [ 87.276358][ T1] Key type id_legacy registered [ 87.328455][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 87.421764][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 87.596827][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 87.669212][ T1] Key type cifs.spnego registered [ 87.707072][ T1] Key type cifs.idmap registered [ 87.743347][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 87.808159][ T1] fuse: init (API version 7.31) [ 87.892018][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 88.297372][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 88.493239][ T1] 9p: Installing v9fs 9p2000 file system support [ 88.572383][ T1] FS-Cache: Netfs '9p' registered for caching [ 88.681254][ T1] ocfs2: Registered cluster interface o2cb [ 88.792877][ T1] ocfs2: Registered cluster interface user [ 88.878968][ T1] OCFS2 User DLM kernel interface loaded [ 89.080107][ T1] gfs2: GFS2 installed [ 89.199946][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 89.277776][ T1] ceph: loaded (mds proto 32) [ 89.587389][ T1] NET: Registered protocol family 38 [ 89.655287][ T1] async_tx: api initialized (async) [ 89.708154][ T1] Key type asymmetric registered [ 89.773281][ T1] Asymmetric key parser 'x509' registered [ 89.844359][ T1] Asymmetric key parser 'pkcs8' registered [ 89.919987][ T1] Key type pkcs7_test registered [ 89.974982][ T1] Asymmetric key parser 'tpm_parser' registered [ 90.051066][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 90.162360][ T1] io scheduler mq-deadline registered [ 90.226307][ T1] io scheduler kyber registered [ 90.303095][ T1] io scheduler bfq registered [ 90.553043][ T1] hgafb: HGA card not detected. [ 90.602524][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 90.663354][ T1] usbcore: registered new interface driver udlfb [ 90.800251][ T1] uvesafb: failed to execute /sbin/v86d [ 90.864586][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 90.951444][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 91.029465][ T1] uvesafb: vbe_init() failed with -22 [ 91.087307][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 91.174045][ T1] vga16fb: mapped to 0x00000000b8764506 [ 93.845354][ C0] hrtimer: interrupt took 118406881 ns [ 222.456867][ T1] Console: switching to colour frame buffer device 80x30 [ 334.820207][ T7] kworker/dying (7) used greatest stack depth: 27168 bytes left [ 358.264151][ T1] fb0: VGA16 VGA frame buffer device [ 359.313394][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 359.621152][ T1] ACPI: Power Button [PWRF] [ 361.694026][ T959] ================================================================== [ 361.694026][ T959] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20 [ 361.694026][ T959] Read of size 8 at addr ffffffff8a2e4cf0 by task kworker/u17:10/959 [ 361.694026][ T959] [ 361.694026][ T959] CPU: 2 PID: 959 Comm: kworker/u17:10 Not tainted 5.8.0-syzkaller #0 [ 361.694026][ T959] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 361.694026][ T959] Workqueue: events_unbound async_run_entry_fn [ 361.694026][ T959] Call Trace: [ 361.694026][ T959] dump_stack+0x18f/0x20d [ 361.694026][ T959] ? internal_create_group+0x9d8/0xb20 [ 361.694026][ T959] ? internal_create_group+0x9d8/0xb20 [ 361.694026][ T959] print_address_description.constprop.0.cold+0x5/0x497 [ 361.694026][ T959] ? vprintk_func+0x97/0x1a6 [ 361.694026][ T959] ? internal_create_group+0x9d8/0xb20 [ 361.694026][ T959] ? internal_create_group+0x9d8/0xb20 [ 361.694026][ T959] kasan_report.cold+0x1f/0x37 [ 361.694026][ T959] ? internal_create_group+0x9d8/0xb20 [ 361.694026][ T959] ? state_show+0xf0/0xf0 [ 361.694026][ T959] internal_create_group+0x9d8/0xb20 [ 361.694026][ T959] ? sysfs_remove_group+0x170/0x170 [ 361.694026][ T959] internal_create_groups.part.0+0x90/0x140 [ 361.694026][ T959] sysfs_create_groups+0x25/0x50 [ 361.694026][ T959] device_add+0x7fd/0x1c40 [ 361.694026][ T959] ? devlink_add_symlinks+0x450/0x450 [ 363.286496][ T959] ? lock_release+0x8e0/0x8e0 [ 363.286496][ T959] ? lock_downgrade+0x830/0x830 [ 363.286496][ T959] ? __schedule+0x88e/0x21e0 [ 363.286496][ T959] ? nd_synchronize+0x20/0x20 [ 363.286496][ T959] nd_async_device_register+0x12/0x80 [ 363.286496][ T959] async_run_entry_fn+0x121/0x530 [ 363.286496][ T959] process_one_work+0x94c/0x1670 [ 363.286496][ T959] ? lock_release+0x8e0/0x8e0 [ 363.286496][ T959] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 363.286496][ T959] ? rwlock_bug.part.0+0x90/0x90 [ 363.286496][ T959] worker_thread+0x64c/0x1120 [ 363.286496][ T959] ? __kthread_parkme+0x13f/0x1e0 [ 363.286496][ T959] ? process_one_work+0x1670/0x1670 [ 363.286496][ T959] kthread+0x3b5/0x4a0 [ 363.286496][ T959] ? __kthread_bind_mask+0xc0/0xc0 [ 363.286496][ T959] ? __kthread_bind_mask+0xc0/0xc0 [ 363.286496][ T959] ret_from_fork+0x1f/0x30 [ 363.286496][ T959] [ 363.286496][ T959] The buggy address belongs to the variable: [ 363.286496][ T959] nvdimm_firmware_attributes+0x10/0x40 [ 363.286496][ T959] [ 363.286496][ T959] Memory state around the buggy address: [ 363.286496][ T959] ffffffff8a2e4b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 363.286496][ T959] ffffffff8a2e4c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 363.286496][ T959] >ffffffff8a2e4c80: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 f9 f9 [ 363.286496][ T959] ^ [ 363.286496][ T959] ffffffff8a2e4d00: f9 f9 f9 f9 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 [ 363.286496][ T959] ffffffff8a2e4d80: 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 [ 363.286496][ T959] ================================================================== [ 363.286496][ T959] Disabling lock debugging due to kernel taint [ 365.013569][ T959] Kernel panic - not syncing: panic_on_warn set ... [ 365.015990][ T959] CPU: 2 PID: 959 Comm: kworker/u17:10 Tainted: G B 5.8.0-syzkaller #0 [ 365.015990][ T959] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 365.015990][ T959] Workqueue: events_unbound async_run_entry_fn [ 365.015990][ T959] Call Trace: [ 365.015990][ T959] dump_stack+0x18f/0x20d [ 365.344909][ T959] ? internal_create_group+0x9c0/0xb20 [ 365.344909][ T959] panic+0x2e3/0x75c [ 365.344909][ T959] ? __warn_printk+0xf3/0xf3 [ 365.344909][ T959] ? preempt_schedule_common+0x59/0xc0 [ 365.344909][ T959] ? internal_create_group+0x9d8/0xb20 [ 365.344909][ T959] ? preempt_schedule_thunk+0x16/0x18 [ 365.344909][ T959] ? trace_hardirqs_on+0x55/0x220 [ 365.344909][ T959] ? internal_create_group+0x9d8/0xb20 [ 365.344909][ T959] ? internal_create_group+0x9d8/0xb20 [ 365.344909][ T959] end_report+0x4d/0x53 [ 365.344909][ T959] kasan_report.cold+0xd/0x37 [ 365.344909][ T959] ? internal_create_group+0x9d8/0xb20 [ 365.344909][ T959] ? state_show+0xf0/0xf0 [ 365.344909][ T959] internal_create_group+0x9d8/0xb20 [ 365.344909][ T959] ? sysfs_remove_group+0x170/0x170 [ 365.344909][ T959] internal_create_groups.part.0+0x90/0x140 [ 365.344909][ T959] sysfs_create_groups+0x25/0x50 [ 365.344909][ T959] device_add+0x7fd/0x1c40 [ 365.344909][ T959] ? devlink_add_symlinks+0x450/0x450 [ 365.344909][ T959] ? lock_release+0x8e0/0x8e0 [ 365.344909][ T959] ? lock_downgrade+0x830/0x830 [ 365.344909][ T959] ? __schedule+0x88e/0x21e0 [ 365.344909][ T959] ? nd_synchronize+0x20/0x20 [ 365.344909][ T959] nd_async_device_register+0x12/0x80 [ 365.344909][ T959] async_run_entry_fn+0x121/0x530 [ 365.344909][ T959] process_one_work+0x94c/0x1670 [ 365.344909][ T959] ? lock_release+0x8e0/0x8e0 [ 365.344909][ T959] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 365.344909][ T959] ? rwlock_bug.part.0+0x90/0x90 [ 365.344909][ T959] worker_thread+0x64c/0x1120 [ 365.344909][ T959] ? __kthread_parkme+0x13f/0x1e0 [ 365.344909][ T959] ? process_one_work+0x1670/0x1670 [ 365.344909][ T959] kthread+0x3b5/0x4a0 [ 365.344909][ T959] ? __kthread_bind_mask+0xc0/0xc0 [ 365.344909][ T959] ? __kthread_bind_mask+0xc0/0xc0 [ 365.344909][ T959] ret_from_fork+0x1f/0x30 [ 365.344909][ T959] Kernel Offset: disabled [ 365.344909][ T959] Rebooting in 86400 seconds..