[ 0.000000][ T0] Linux version 5.9.0-rc1-syzkaller (syzkaller@syzkaller) (gcc (GCC) 10.1.0-syz 20200507, GNU ld (GNU Binutils for Debian) 2.28) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=apparmor lsm=lockdown,yama,safesetid,integrity,tomoyo,apparmor,bpf ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 rcupdate.rcu_expedited=1 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] Centaur CentaurHauls [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: xstate_offset[5]: 1088, xstate_sizes[5]: 64 [ 0.000000][ T0] x86/fpu: xstate_offset[6]: 1152, xstate_sizes[6]: 512 [ 0.000000][ T0] x86/fpu: xstate_offset[7]: 1664, xstate_sizes[7]: 1024 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2688 bytes, using 'standard' format. [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x000000007ffdcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000007ffdd000-0x000000007fffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.8 present. [ 0.000000][ T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000044][ T0] kvm-clock: cpu 0, msr bed1001, primary cpu clock [ 0.000044][ T0] kvm-clock: using sched offset of 22412948373 cycles [ 0.017183][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.088269][ T0] tsc: Detected 2000.164 MHz processor [ 0.120722][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.146658][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.190955][ T0] found SMP MP-table at [mem 0x000f5a50-0x000f5a5f] [ 0.221179][ T0] check: Scanning 1 areas for low memory corruption [ 0.250949][ T0] ACPI: Early table checksum verification disabled [ 0.276548][ T0] ACPI: RSDP 0x00000000000F5880 000014 (v00 BOCHS ) [ 0.300939][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.328409][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.369566][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.419122][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.452445][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.518436][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.579847][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.645318][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.697673][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.742193][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.781586][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.812663][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.835141][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.864682][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.905003][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 0.940941][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 0.974092][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 1.010739][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 1.032449][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 1.074073][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 1.118053][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 1.152615][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 1.191514][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 1.257523][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 1.316964][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 1.367404][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 1.408804][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 1.564750][ T0] Zone ranges: [ 1.587063][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 1.626449][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 1.669181][ T0] Normal empty [ 1.690007][ T0] Device empty [ 1.712894][ T0] Movable zone start for each node [ 1.746565][ T0] Early memory node ranges [ 1.776080][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 1.811830][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 1.851669][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.884602][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 1.884661][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 1.969378][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 7.697982][ T0] kasan: KernelAddressSanitizer initialized [ 7.774794][ T0] ACPI: PM-Timer IO Port: 0x608 [ 7.803103][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 7.846275][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 7.906434][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 7.964223][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 8.032322][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 8.089533][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 8.140359][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 8.180913][ T0] Using ACPI (MADT) for SMP configuration information [ 8.221740][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 8.265236][ T0] TSC deadline timer available [ 8.303435][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 8.355008][ T0] kvm-guest: KVM setup pv remote TLB flush [ 8.408025][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 8.477861][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 8.540323][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 8.605475][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 8.666602][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 8.715205][ T0] Booting paravirtualized kernel on KVM [ 8.753534][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 8.892130][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 9.125785][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 9.210038][ T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40 [ 9.257580][ T0] kvm-guest: PV spinlocks enabled [ 9.293996][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 9.359353][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 9.419811][ T0] Policy zone: DMA32 [ 9.445606][ 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 [ 10.044249][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 11.818047][ T0] Memory: 1503356K/2096620K available (116743K kernel code, 17679K rwdata, 21640K rodata, 2792K init, 23928K bss, 593008K reserved, 0K cma-reserved) [ 12.144749][ T0] Running RCU self tests [ 12.181582][ T0] rcu: Preemptible hierarchical RCU implementation. [ 12.239014][ T0] rcu: RCU lockdep checking is enabled. [ 12.284831][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 12.358256][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 12.424042][ T0] rcu: RCU debug extended QS entry/exit. [ 12.470094][ T0] All grace periods are expedited (rcu_expedited). [ 12.526479][ T0] Trampoline variant of Tasks RCU enabled. [ 12.570361][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 12.638683][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 12.734880][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 12.867809][ T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0 [ 13.705981][ T0] Console: colour VGA+ 80x25 [ 13.857479][ T0] printk: console [ttyS0] enabled [ 13.857479][ T0] printk: console [ttyS0] enabled [ 13.951704][ T0] printk: bootconsole [earlyser0] disabled [ 13.951704][ T0] printk: bootconsole [earlyser0] disabled [ 14.049368][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 14.124432][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 14.162125][ T0] ... MAX_LOCK_DEPTH: 48 [ 14.205489][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 14.254052][ T0] ... CLASSHASH_SIZE: 4096 [ 14.306476][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 14.357997][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 14.403436][ T0] ... CHAINHASH_SIZE: 32768 [ 14.451583][ T0] memory used by lock dependency info: 6301 kB [ 14.503377][ T0] memory used for stack traces: 4224 kB [ 14.557127][ T0] per task-struct memory footprint: 1920 bytes [ 14.624285][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 14.755714][ T0] ACPI: Core revision 20200717 [ 14.888690][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 15.095834][ T0] APIC: Switch to symmetric I/O mode setup [ 15.216184][ T0] x2apic enabled [ 15.297259][ T0] Switched APIC routing to physical x2apic. [ 15.356508][ T0] kvm-guest: setup PV IPIs [ 15.555104][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 15.625638][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 15.725709][ T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640) [ 15.739861][ T0] pid_max: default: 32768 minimum: 301 [ 15.775738][ T0] LSM: Security Framework initializing [ 15.789128][ T0] LSM: security= is ignored because it is superseded by lsm= [ 15.809535][ T0] Yama: becoming mindful. [ 15.838110][ T0] TOMOYO Linux initialized [ 15.873871][ T0] AppArmor: AppArmor initialized [ 15.877118][ T0] LSM support for eBPF active [ 15.955542][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 15.985590][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 15.998515][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 16.007682][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 16.416626][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 16.487813][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 16.497074][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 16.520938][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 16.528904][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 16.529163][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 16.557723][ T0] TAA: Mitigation: Clear CPU buffers [ 16.567072][ T0] MDS: Mitigation: Clear CPU buffers [ 16.921932][ T0] Freeing SMP alternatives memory: 104K [ 17.727055][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 17.882888][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 17.926567][ T1] rcu: Hierarchical SRCU implementation. [ 17.976276][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 18.014632][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 18.089660][ T1] smp: Bringing up secondary CPUs ... [ 18.183871][ T1] x86: Booting SMP configuration: [ 18.188312][ T1] .... node #0, CPUs: #1 [ 2.714411][ T0] kvm-clock: cpu 1, msr bed1041, secondary cpu clock [ 18.377330][ T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40 [ 18.461919][ 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. [ 18.470203][ 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. [ 18.518657][ T1] #2 [ 2.714411][ T0] kvm-clock: cpu 2, msr bed1081, secondary cpu clock [ 18.680007][ T20] kvm-guest: stealtime: cpu 2, msr 2d020a40 [ 18.771865][ T1] #3 [ 2.714411][ T0] kvm-clock: cpu 3, msr bed10c1, secondary cpu clock [ 18.939495][ T25] kvm-guest: stealtime: cpu 3, msr 2d120a40 [ 19.009006][ T1] smp: Brought up 2 nodes, 4 CPUs [ 19.017701][ T1] smpboot: Max logical packages: 2 [ 19.027542][ T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS) [ 19.219240][ T1] devtmpfs: initialized [ 19.327055][ T1] x86/mm: Memory block size: 128MB [ 19.729804][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 19.737055][ T33] kworker/u17:1 (33) used greatest stack depth: 27544 bytes left [ 19.784024][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 19.846180][ T1] xor: automatically using best checksumming function avx [ 19.907055][ T1] PM: RTC time: 20:32:31, date: 2020-08-21 [ 20.008151][ T1] NET: Registered protocol family 16 [ 20.066320][ T1] audit: initializing netlink subsys (disabled) [ 20.094044][ T41] audit: type=2000 audit(1598041946.658:1): state=initialized audit_enabled=0 res=1 [ 20.176641][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 20.177055][ T1] thermal_sys: Registered thermal governor 'user_space' [ 20.193827][ T1] cpuidle: using governor menu [ 20.219683][ T1] NET: Registered protocol family 42 [ 20.263657][ T1] ACPI: bus type PCI registered [ 20.288474][ T1] dca service started, version 1.12.1 [ 20.310560][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 20.317855][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 21.353705][ T1] PCI: Using configuration type 1 for base access [ 21.982183][ T517] kworker/u17:4 (517) used greatest stack depth: 27472 bytes left [ 22.719312][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 23.773612][ T1] cryptd: max_cpu_qlen set to 1000 [ 24.609187][ T1] raid6: avx512x4 gen() 11255 MB/s [ 24.831981][ T1] raid6: avx512x4 xor() 5455 MB/s [ 25.057084][ T1] raid6: avx512x2 gen() 9767 MB/s [ 25.277672][ T1] raid6: avx512x2 xor() 4379 MB/s [ 25.505657][ T1] raid6: avx512x1 gen() 5763 MB/s [ 25.724115][ T1] raid6: avx512x1 xor() 2354 MB/s [ 25.954928][ T1] raid6: avx2x4 gen() 6860 MB/s [ 26.175675][ T1] raid6: avx2x4 xor() 3855 MB/s [ 26.395783][ T1] raid6: avx2x2 gen() 5051 MB/s [ 26.597584][ T1] raid6: avx2x2 xor() 2225 MB/s [ 26.817573][ T1] raid6: avx2x1 gen() 2996 MB/s [ 27.023539][ T1] raid6: avx2x1 xor() 1161 MB/s [ 27.251073][ T1] raid6: sse2x4 gen() 3712 MB/s [ 27.458391][ T1] raid6: sse2x4 xor() 1999 MB/s [ 27.687334][ T1] raid6: sse2x2 gen() 2264 MB/s [ 27.907306][ T1] raid6: sse2x2 xor() 1331 MB/s [ 28.087271][ T1] raid6: sse2x1 gen() 1680 MB/s [ 28.267312][ T1] raid6: sse2x1 xor() 677 MB/s [ 28.277371][ T1] raid6: using algorithm avx512x4 gen() 11255 MB/s [ 28.287608][ T1] raid6: .... xor() 5455 MB/s, rmw enabled [ 28.299499][ T1] raid6: using avx512x2 recovery algorithm [ 28.369316][ T1] ACPI: Added _OSI(Module Device) [ 28.407384][ T1] ACPI: Added _OSI(Processor Device) [ 28.457350][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 28.497440][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 28.541446][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 28.587515][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 28.647456][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 28.877934][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 29.409215][ T1] ACPI: Interpreter enabled [ 29.446844][ T1] ACPI: (supports S0 S3 S4 S5) [ 29.451356][ T1] ACPI: Using IOAPIC for interrupt routing [ 29.482158][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 29.507055][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 29.983889][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 29.995372][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 30.050736][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 30.061677][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 30.123707][ T1] PCI host bridge to bus 0000:00 [ 30.131486][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 30.217055][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 30.243552][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 30.249369][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 30.270738][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 30.278464][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 30.287320][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 30.307055][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 30.421063][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 30.763161][ T1] pci 0000:00:01.0: [1234:1111] type 00 class 0x030000 [ 30.917055][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfd000000-0xfdffffff pref] [ 31.157055][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfebf8000-0xfebf8fff] [ 31.497055][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 32.084023][ T1] pci 0000:00:02.0: [8086:10d3] type 00 class 0x020000 [ 32.160705][ T1] pci 0000:00:02.0: reg 0x10: [mem 0xfeb80000-0xfeb9ffff] [ 32.192168][ T1392] kworker/u17:8 (1392) used greatest stack depth: 27016 bytes left [ 32.238323][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfeba0000-0xfebbffff] [ 32.386691][ T1] pci 0000:00:02.0: reg 0x18: [io 0xc680-0xc69f] [ 32.455476][ T1] pci 0000:00:02.0: reg 0x1c: [mem 0xfebf0000-0xfebf3fff] [ 32.550116][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb00000-0xfeb3ffff pref] [ 32.752204][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 32.830864][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 32.904840][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc600-0xc63f] [ 32.998663][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 33.089928][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 33.147895][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 33.251700][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 33.295509][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 33.353819][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 33.429823][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 33.484533][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf4000-0xfebf7fff] [ 33.580965][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 33.636989][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 33.694333][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf9000-0xfebf9fff] [ 33.776266][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe000000-0xfe003fff 64bit pref] [ 33.951847][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 34.033921][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 34.087738][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 34.162680][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 34.229884][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 34.303464][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 34.394428][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 34.467392][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebfa000-0xfebfafff] [ 34.571893][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 34.693696][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 34.777055][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x190 took 87890 usecs [ 34.868666][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 34.979285][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 35.055186][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebfb000-0xfebfbfff] [ 35.177056][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 35.267406][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 35.625589][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 35.694264][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 35.753699][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 35.803051][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 35.862723][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 35.912480][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 35.951708][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 36.001739][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 36.049439][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 36.098162][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 36.137885][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 36.177698][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 36.228088][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 36.304228][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 36.347687][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 36.398269][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 36.731037][ T1] iommu: Default domain type: Translated [ 36.801171][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 36.807055][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 36.807683][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 36.817496][ T1] vgaarb: loaded [ 36.955417][ T1] SCSI subsystem initialized [ 37.000167][ T1] ACPI: bus type USB registered [ 37.015708][ T1] usbcore: registered new interface driver usbfs [ 37.022663][ T1] usbcore: registered new interface driver hub [ 37.032748][ T1] usbcore: registered new device driver usb [ 37.058583][ T1] mc: Linux media interface: v0.10 [ 37.069543][ T1] videodev: Linux video capture interface: v2.00 [ 37.101474][ T1] pps_core: LinuxPPS API ver. 1 registered [ 37.107357][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 37.119396][ T1] PTP clock support registered [ 37.150940][ T1] EDAC MC: Ver: 3.0.0 [ 37.241273][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 37.395540][ T1] Bluetooth: Core ver 2.22 [ 37.401594][ T1] NET: Registered protocol family 31 [ 37.407548][ T1] Bluetooth: HCI device and connection manager initialized [ 37.420560][ T1] Bluetooth: HCI socket layer initialized [ 37.427446][ T1] Bluetooth: L2CAP socket layer initialized [ 37.438762][ T1] Bluetooth: SCO socket layer initialized [ 37.450203][ T1] NET: Registered protocol family 8 [ 37.457556][ T1] NET: Registered protocol family 20 [ 37.475779][ T1] NetLabel: Initializing [ 37.477402][ T1] NetLabel: domain hash size = 128 [ 37.487416][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 37.520318][ T1] NetLabel: unlabeled traffic allowed by default [ 37.557653][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 37.570797][ T1] NET: Registered protocol family 39 [ 37.583743][ T1] PCI: Using ACPI for IRQ routing [ 44.885703][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 44.940204][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 45.037055][ T1] clocksource: Switched to clocksource kvm-clock [ 50.609066][ T1] VFS: Disk quotas dquot_6.6.0 [ 50.704214][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 50.809600][ T1] FS-Cache: Loaded [ 50.879524][ T1] CacheFiles: Loaded [ 50.941128][ T1] TOMOYO: 2.6.0 [ 50.964598][ T1] Mandatory Access Control activated. [ 51.039573][ T1] AppArmor: AppArmor Filesystem Enabled [ 51.101128][ T1] pnp: PnP ACPI init [ 51.268700][ T1] pnp: PnP ACPI: found 6 devices [ 51.580584][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 51.670194][ T1] NET: Registered protocol family 2 [ 51.799504][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 51.869932][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 51.952027][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 52.021289][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 52.119724][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 52.193817][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 52.255159][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 52.341575][ T1] NET: Registered protocol family 1 [ 52.434750][ T1] RPC: Registered named UNIX socket transport module. [ 52.493369][ T1] RPC: Registered udp transport module. [ 52.531430][ T1] RPC: Registered tcp transport module. [ 52.558898][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 52.620560][ T1] NET: Registered protocol family 44 [ 52.669283][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 52.724874][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 52.772005][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 52.818368][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 52.860992][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 52.903780][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 52.973428][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 53.031824][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 63747 usecs [ 53.123895][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 53.196537][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 109911 usecs [ 53.250001][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 53.291683][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 57002 usecs [ 53.342349][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 53.374342][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 46505 usecs [ 53.412559][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 53.471273][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 70781 usecs [ 53.516420][ T1] PCI: CLS 0 bytes, default 64 [ 53.603574][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 53.643406][ T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB) [ 53.741975][ T1] kvm: no hardware support [ 53.774277][ T1] has_svm: not amd or hygon [ 53.819054][ T1] kvm: no hardware support [ 53.860961][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 53.958855][ T1] clocksource: Switched to clocksource tsc [ 54.006580][ T1] mce: Machine check injector initialized [ 54.118681][ T1] check: Scanning for low memory corruption every 60 seconds [ 55.248796][ T1] Initialise system trusted keyrings [ 55.371145][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 55.469626][ T1] zbud: loaded [ 55.568258][ T1] DLM installed [ 55.621603][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 55.738282][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 55.806447][ T1] NFS: Registering the id_resolver key type [ 55.853011][ T1] Key type id_resolver registered [ 55.888920][ T1] Key type id_legacy registered [ 55.929781][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 55.984776][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 56.091047][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 56.152563][ T1] Key type cifs.spnego registered [ 56.196288][ T1] Key type cifs.idmap registered [ 56.238118][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 56.279083][ T1] fuse: init (API version 7.31) [ 56.332779][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 56.537012][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 56.659641][ T1] 9p: Installing v9fs 9p2000 file system support [ 56.722784][ T1] FS-Cache: Netfs '9p' registered for caching [ 56.795618][ T1] ocfs2: Registered cluster interface o2cb [ 56.855411][ T1] ocfs2: Registered cluster interface user [ 56.915739][ T1] OCFS2 User DLM kernel interface loaded [ 57.069288][ T1] gfs2: GFS2 installed [ 57.190224][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 57.248884][ T1] ceph: loaded (mds proto 32) [ 57.360494][ T1] NET: Registered protocol family 38 [ 57.404557][ T1] async_tx: api initialized (async) [ 57.459726][ T1] Key type asymmetric registered [ 57.509642][ T1] Asymmetric key parser 'x509' registered [ 57.551773][ T1] Asymmetric key parser 'pkcs8' registered [ 57.602534][ T1] Key type pkcs7_test registered [ 57.637952][ T1] Asymmetric key parser 'tpm_parser' registered [ 57.687016][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 57.765720][ T1] io scheduler mq-deadline registered [ 57.809087][ T1] io scheduler kyber registered [ 57.848862][ T1] io scheduler bfq registered [ 57.960941][ T1] hgafb: HGA card not detected. [ 57.996283][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 58.052292][ T1] usbcore: registered new interface driver udlfb [ 58.163475][ T1] uvesafb: failed to execute /sbin/v86d [ 58.205858][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 58.260864][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 58.314711][ T1] uvesafb: vbe_init() failed with -22 [ 58.361100][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 58.414814][ T1] vga16fb: mapped to 0x0000000036cc1da4 [ 90.287915][ T1] Console: switching to colour frame buffer device 80x30 [ 127.921294][ T1] fb0: VGA16 VGA frame buffer device [ 128.102157][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 128.220751][ T1] ACPI: Power Button [PWRF] [ 128.723392][ T49] ================================================================== [ 128.727577][ T49] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20 [ 128.727577][ T49] Read of size 8 at addr ffffffff8a2e8730 by task kworker/u17:3/49 [ 128.727577][ T49] [ 128.727577][ T49] CPU: 2 PID: 49 Comm: kworker/u17:3 Not tainted 5.9.0-rc1-syzkaller #0 [ 128.727577][ T49] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 128.727577][ T49] Workqueue: events_unbound async_run_entry_fn [ 128.727577][ T49] Call Trace: [ 128.727577][ T49] dump_stack+0x18f/0x20d [ 128.727577][ T49] ? internal_create_group+0x9d8/0xb20 [ 128.727577][ T49] ? internal_create_group+0x9d8/0xb20 [ 128.727577][ T49] print_address_description.constprop.0.cold+0x5/0x497 [ 128.727577][ T49] ? vprintk_func+0x97/0x1a6 [ 128.727577][ T49] ? internal_create_group+0x9d8/0xb20 [ 128.727577][ T49] ? internal_create_group+0x9d8/0xb20 [ 128.727577][ T49] kasan_report.cold+0x1f/0x37 [ 128.727577][ T49] ? internal_create_group+0x9d8/0xb20 [ 128.727577][ T49] ? state_show+0xf0/0xf0 [ 128.727577][ T49] internal_create_group+0x9d8/0xb20 [ 128.727577][ T49] ? sysfs_remove_group+0x170/0x170 [ 128.727577][ T49] internal_create_groups.part.0+0x90/0x140 [ 128.727577][ T49] sysfs_create_groups+0x25/0x50 [ 128.727577][ T49] device_add+0x7fd/0x1c40 [ 128.727577][ T49] ? devlink_add_symlinks+0x450/0x450 [ 128.727577][ T49] ? lock_release+0x8e0/0x8e0 [ 128.727577][ T49] ? lock_downgrade+0x830/0x830 [ 128.727577][ T49] ? __schedule+0x88e/0x21e0 [ 128.727577][ T49] ? nd_synchronize+0x20/0x20 [ 128.727577][ T49] nd_async_device_register+0x12/0x80 [ 128.727577][ T49] async_run_entry_fn+0x121/0x530 [ 128.727577][ T49] process_one_work+0x94c/0x1670 [ 128.727577][ T49] ? lock_release+0x8e0/0x8e0 [ 128.727577][ T49] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 128.727577][ T49] ? rwlock_bug.part.0+0x90/0x90 [ 128.727577][ T49] worker_thread+0x64c/0x1120 [ 128.727577][ T49] ? __kthread_parkme+0x13f/0x1e0 [ 128.727577][ T49] ? process_one_work+0x1670/0x1670 [ 128.727577][ T49] kthread+0x3b5/0x4a0 [ 128.727577][ T49] ? __kthread_bind_mask+0xc0/0xc0 [ 128.727577][ T49] ? __kthread_bind_mask+0xc0/0xc0 [ 128.727577][ T49] ret_from_fork+0x1f/0x30 [ 128.727577][ T49] [ 128.727577][ T49] The buggy address belongs to the variable: [ 128.727577][ T49] nvdimm_firmware_attributes+0x10/0x40 [ 129.577532][ T49] [ 129.587886][ T49] Memory state around the buggy address: [ 129.607394][ T49] ffffffff8a2e8600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 129.684697][ T49] ffffffff8a2e8680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 129.707768][ T49] >ffffffff8a2e8700: f9 f9 f9 f9 00 00 f9 f9 f9 f9 f9 f9 00 00 00 00 [ 129.767416][ T49] ^ [ 129.777418][ T49] ffffffff8a2e8780: 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 f9 [ 129.817584][ T49] ffffffff8a2e8800: f9 f9 f9 f9 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 [ 129.837583][ T49] ================================================================== [ 129.867663][ T49] Disabling lock debugging due to kernel taint [ 129.918175][ T49] Kernel panic - not syncing: panic_on_warn set ... [ 129.927342][ T49] CPU: 0 PID: 49 Comm: kworker/u17:3 Tainted: G B 5.9.0-rc1-syzkaller #0 [ 129.927342][ T49] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 129.927342][ T49] Workqueue: events_unbound async_run_entry_fn [ 129.927342][ T49] Call Trace: [ 129.927342][ T49] dump_stack+0x18f/0x20d [ 129.927342][ T49] ? internal_create_group+0x950/0xb20 [ 129.927342][ T49] panic+0x2e3/0x75c [ 129.927342][ T49] ? __warn_printk+0xf3/0xf3 [ 129.927342][ T49] ? preempt_schedule_common+0x59/0xc0 [ 129.927342][ T49] ? internal_create_group+0x9d8/0xb20 [ 129.927342][ T49] ? preempt_schedule_thunk+0x16/0x18 [ 129.927342][ T49] ? trace_hardirqs_on+0x55/0x220 [ 129.927342][ T49] ? internal_create_group+0x9d8/0xb20 [ 129.927342][ T49] ? internal_create_group+0x9d8/0xb20 [ 129.927342][ T49] end_report+0x4d/0x53 [ 129.927342][ T49] kasan_report.cold+0xd/0x37 [ 129.927342][ T49] ? internal_create_group+0x9d8/0xb20 [ 129.927342][ T49] ? state_show+0xf0/0xf0 [ 129.927342][ T49] internal_create_group+0x9d8/0xb20 [ 129.927342][ T49] ? sysfs_remove_group+0x170/0x170 [ 129.927342][ T49] internal_create_groups.part.0+0x90/0x140 [ 129.927342][ T49] sysfs_create_groups+0x25/0x50 [ 129.927342][ T49] device_add+0x7fd/0x1c40 [ 129.927342][ T49] ? devlink_add_symlinks+0x450/0x450 [ 129.927342][ T49] ? lock_release+0x8e0/0x8e0 [ 129.927342][ T49] ? lock_downgrade+0x830/0x830 [ 130.677751][ T49] ? __schedule+0x88e/0x21e0 [ 130.677751][ T49] ? nd_synchronize+0x20/0x20 [ 130.677751][ T49] nd_async_device_register+0x12/0x80 [ 130.677751][ T49] async_run_entry_fn+0x121/0x530 [ 130.677751][ T49] process_one_work+0x94c/0x1670 [ 130.677751][ T49] ? lock_release+0x8e0/0x8e0 [ 130.677751][ T49] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 130.677751][ T49] ? rwlock_bug.part.0+0x90/0x90 [ 130.677751][ T49] worker_thread+0x64c/0x1120 [ 130.677751][ T49] ? __kthread_parkme+0x13f/0x1e0 [ 130.677751][ T49] ? process_one_work+0x1670/0x1670 [ 130.677751][ T49] kthread+0x3b5/0x4a0 [ 130.677751][ T49] ? __kthread_bind_mask+0xc0/0xc0 [ 130.677751][ T49] ? __kthread_bind_mask+0xc0/0xc0 [ 130.677751][ T49] ret_from_fork+0x1f/0x30 [ 130.677751][ T49] Kernel Offset: disabled [ 130.677751][ T49] Rebooting in 86400 seconds..