[ 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 [ 0.000087][ T0] kvm-clock: cpu 0, msr becc001, primary cpu clock [ 0.000088][ T0] kvm-clock: using sched offset of 19409177811 cycles [ 0.021167][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.079112][ T0] tsc: Detected 2000.164 MHz processor [ 0.122500][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.164194][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.211379][ T0] found SMP MP-table at [mem 0x000f5a40-0x000f5a4f] [ 0.239943][ T0] check: Scanning 1 areas for low memory corruption [ 0.272847][ T0] ACPI: Early table checksum verification disabled [ 0.296727][ T0] ACPI: RSDP 0x00000000000F5870 000014 (v00 BOCHS ) [ 0.320090][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.351839][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.383643][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.415729][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.432661][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.465368][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.495919][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.525189][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.553138][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.581341][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.617608][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.635505][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.652780][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.672009][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.694952][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 0.721446][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 0.750192][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 0.787614][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 0.821758][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.866484][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 0.913401][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 0.963035][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 1.010557][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 1.072260][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 1.114290][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 1.159160][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 1.200893][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 1.406770][ T0] Zone ranges: [ 1.419340][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 1.440662][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 1.464989][ T0] Normal empty [ 1.475961][ T0] Device empty [ 1.488638][ T0] Movable zone start for each node [ 1.508370][ T0] Early memory node ranges [ 1.521017][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 1.544862][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 1.571615][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 1.598970][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 1.599081][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 1.665991][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 6.101163][ T0] kasan: KernelAddressSanitizer initialized [ 6.152231][ T0] ACPI: PM-Timer IO Port: 0x608 [ 6.170509][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 6.196212][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 6.235390][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 6.263658][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 6.289306][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 6.317022][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 6.342782][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 6.368006][ T0] Using ACPI (MADT) for SMP configuration information [ 6.393574][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 6.412719][ T0] TSC deadline timer available [ 6.427152][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 6.451082][ T0] kvm-guest: KVM setup pv remote TLB flush [ 6.475464][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 6.504461][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 6.531217][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 6.559267][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 6.589541][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 6.625762][ T0] Booting paravirtualized kernel on KVM [ 6.655142][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 6.778715][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 6.921367][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 6.954179][ T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40 [ 6.975572][ T0] kvm-guest: PV spinlocks enabled [ 6.993112][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 7.024027][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 7.054254][ T0] Policy zone: DMA32 [ 7.067405][ 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 [ 7.321341][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 8.577853][ T0] Memory: 1503356K/2096620K available (116743K kernel code, 17669K rwdata, 21628K rodata, 2792K init, 23948K bss, 593008K reserved, 0K cma-reserved) [ 8.750199][ T0] Running RCU self tests [ 8.768149][ T0] rcu: Preemptible hierarchical RCU implementation. [ 8.796435][ T0] rcu: RCU lockdep checking is enabled. [ 8.822039][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 8.856177][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 8.888127][ T0] rcu: RCU debug extended QS entry/exit. [ 8.910823][ T0] All grace periods are expedited (rcu_expedited). [ 8.934138][ T0] Trampoline variant of Tasks RCU enabled. [ 8.955664][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 8.998492][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 9.051530][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 9.131024][ T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0 [ 9.475209][ T0] Console: colour VGA+ 80x25 [ 9.532018][ T0] printk: console [ttyS0] enabled [ 9.532018][ T0] printk: console [ttyS0] enabled [ 9.573819][ T0] printk: bootconsole [earlyser0] disabled [ 9.573819][ T0] printk: bootconsole [earlyser0] disabled [ 9.626247][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 9.664272][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 9.683700][ T0] ... MAX_LOCK_DEPTH: 48 [ 9.706252][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 9.725738][ T0] ... CLASSHASH_SIZE: 4096 [ 9.745114][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 9.763100][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 9.780653][ T0] ... CHAINHASH_SIZE: 32768 [ 9.798870][ T0] memory used by lock dependency info: 6301 kB [ 9.820162][ T0] memory used for stack traces: 4224 kB [ 9.839975][ T0] per task-struct memory footprint: 1920 bytes [ 9.864417][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 9.906490][ T0] ACPI: Core revision 20200717 [ 9.941867][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 10.007294][ T0] APIC: Switch to symmetric I/O mode setup [ 10.050173][ T0] x2apic enabled [ 10.076740][ T0] Switched APIC routing to physical x2apic. [ 10.097140][ T0] kvm-guest: setup PV IPIs [ 10.175873][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 10.199096][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 10.240085][ T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640) [ 10.260479][ T0] pid_max: default: 32768 minimum: 301 [ 10.274736][ T0] LSM: Security Framework initializing [ 10.279623][ T0] LSM: security= is ignored because it is superseded by lsm= [ 10.290019][ T0] Yama: becoming mindful. [ 10.311019][ T0] SELinux: Initializing. [ 10.337348][ T0] TOMOYO Linux initialized [ 10.340410][ T0] LSM support for eBPF active [ 10.376437][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 10.397411][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 10.400586][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 10.410085][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 10.555277][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 10.579735][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 10.589328][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 10.611720][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 10.629348][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 10.629905][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 10.651810][ T0] TAA: Mitigation: Clear CPU buffers [ 10.659203][ T0] MDS: Mitigation: Clear CPU buffers [ 10.741221][ T0] Freeing SMP alternatives memory: 104K [ 11.015512][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 11.061510][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 11.079832][ T1] rcu: Hierarchical SRCU implementation. [ 11.101952][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 11.121455][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 11.156492][ T1] smp: Bringing up secondary CPUs ... [ 11.198587][ T1] x86: Booting SMP configuration: [ 11.218815][ T1] .... node #0, CPUs: #1 [ 1.036960][ T0] kvm-clock: cpu 1, msr becc041, secondary cpu clock [ 11.394282][ T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40 [ 11.434025][ 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. [ 11.449523][ 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. [ 11.598240][ T1] #2 [ 1.036960][ T0] kvm-clock: cpu 2, msr becc081, secondary cpu clock [ 11.671071][ T20] kvm-guest: stealtime: cpu 2, msr 2d020a40 [ 11.716541][ T1] #3 [ 1.036960][ T0] kvm-clock: cpu 3, msr becc0c1, secondary cpu clock [ 11.784838][ T25] kvm-guest: stealtime: cpu 3, msr 2d120a40 [ 11.810588][ T1] smp: Brought up 2 nodes, 4 CPUs [ 11.819562][ T1] smpboot: Max logical packages: 2 [ 11.829363][ T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS) [ 11.956627][ T1] devtmpfs: initialized [ 11.982344][ T1] x86/mm: Memory block size: 128MB [ 12.103028][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 12.127627][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 12.129192][ T33] kworker/u17:0 (33) used greatest stack depth: 27656 bytes left [ 12.164454][ T1] xor: automatically using best checksumming function avx [ 12.189192][ T1] PM: RTC time: 15:53:11, date: 2020-08-15 [ 12.246561][ T1] NET: Registered protocol family 16 [ 12.270369][ T1] audit: initializing netlink subsys (disabled) [ 12.292963][ T40] audit: type=2000 audit(1597506790.611:1): state=initialized audit_enabled=0 res=1 [ 12.310436][ T42] kworker/u17:0 (42) used greatest stack depth: 27544 bytes left [ 12.351915][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 12.351936][ T1] thermal_sys: Registered thermal governor 'user_space' [ 12.399539][ T1] cpuidle: using governor menu [ 12.424837][ T1] NET: Registered protocol family 42 [ 12.457573][ T1] ACPI: bus type PCI registered [ 12.472947][ T1] dca service started, version 1.12.1 [ 12.488724][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 12.491406][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 12.952568][ T1] PCI: Using configuration type 1 for base access [ 13.336987][ T590] kworker/u17:3 (590) used greatest stack depth: 27472 bytes left [ 13.771384][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 14.106591][ T1] cryptd: max_cpu_qlen set to 1000 [ 14.594128][ T1] raid6: avx512x4 gen() 12115 MB/s [ 14.825095][ T1] raid6: avx512x4 xor() 6059 MB/s [ 15.022986][ T1] raid6: avx512x2 gen() 9313 MB/s [ 15.253984][ T1] raid6: avx512x2 xor() 4666 MB/s [ 15.465860][ T1] raid6: avx512x1 gen() 6025 MB/s [ 15.688187][ T1] raid6: avx512x1 xor() 2434 MB/s [ 15.912040][ T1] raid6: avx2x4 gen() 7420 MB/s [ 16.089399][ T1] raid6: avx2x4 xor() 4302 MB/s [ 16.270029][ T1] raid6: avx2x2 gen() 4793 MB/s [ 16.488012][ T1] raid6: avx2x2 xor() 2774 MB/s [ 16.660338][ T1] raid6: avx2x1 gen() 3966 MB/s [ 16.858772][ T1] raid6: avx2x1 xor() 1544 MB/s [ 17.039964][ T1] raid6: sse2x4 gen() 4450 MB/s [ 17.223908][ T1] raid6: sse2x4 xor() 2600 MB/s [ 17.409601][ T1] raid6: sse2x2 gen() 2961 MB/s [ 17.589309][ T1] raid6: sse2x2 xor() 1527 MB/s [ 17.769339][ T1] raid6: sse2x1 gen() 1895 MB/s [ 17.949358][ T1] raid6: sse2x1 xor() 791 MB/s [ 17.959316][ T1] raid6: using algorithm avx512x4 gen() 12115 MB/s [ 17.969324][ T1] raid6: .... xor() 6059 MB/s, rmw enabled [ 17.979866][ T1] raid6: using avx512x2 recovery algorithm [ 17.996817][ T1] ACPI: Added _OSI(Module Device) [ 17.999317][ T1] ACPI: Added _OSI(Processor Device) [ 18.009296][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 18.019480][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 18.029768][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 18.039356][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 18.049307][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 18.153963][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 18.266388][ T1] ACPI: Interpreter enabled [ 18.277652][ T1] ACPI: (supports S0 S3 S4 S5) [ 18.280644][ T1] ACPI: Using IOAPIC for interrupt routing [ 18.293689][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 18.305343][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 18.506010][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 18.513737][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 18.528169][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 18.533375][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 18.561291][ T1] PCI host bridge to bus 0000:00 [ 18.569492][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 18.579521][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 18.589373][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 18.599351][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 18.609344][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 18.619311][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 18.629338][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 18.640111][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 18.662234][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 18.705659][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 [ 18.749192][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref] [ 18.819192][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref] [ 18.859192][ T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff] [ 18.927459][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 19.152298][ T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 [ 19.168770][ T1] pci 0000:00:02.0: reg 0x10: [io 0xc680-0xc69f] [ 19.178439][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 19.191134][ T1] pci 0000:00:02.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref] [ 19.204156][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 19.245207][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 19.255002][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 19.263066][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc600-0xc63f] [ 19.296818][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] [ 19.322438][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 19.335090][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 19.363219][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 19.374464][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 19.383442][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 19.412590][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 19.426010][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf0000-0xfebf3fff] [ 19.470768][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 19.488864][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 19.495446][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 19.517401][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref] [ 19.566378][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 19.596237][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 19.621174][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 19.688254][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 19.709192][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 19.737852][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 19.755845][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 19.764352][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf7000-0xfebf7fff] [ 19.807552][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 19.849192][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 19.866763][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x190 took 19531 usecs [ 19.898817][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 19.933443][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 19.943508][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf8000-0xfebf8fff] [ 19.976945][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 20.001823][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 20.193210][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 20.208985][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 20.213613][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 20.223574][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 20.233886][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 20.244288][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 20.254746][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 20.263499][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 20.271036][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 20.279661][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 20.289676][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 20.299797][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 20.309830][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 20.319611][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 20.329643][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 20.340189][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 20.522560][ T1] iommu: Default domain type: Translated [ 20.579611][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 20.579611][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 20.699725][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 20.739527][ T1] vgaarb: loaded [ 20.804037][ T1] SCSI subsystem initialized [ 20.848232][ T1] ACPI: bus type USB registered [ 20.873095][ T1] usbcore: registered new interface driver usbfs [ 20.900733][ T1] usbcore: registered new interface driver hub [ 20.920696][ T1] usbcore: registered new device driver usb [ 20.943673][ T1] mc: Linux media interface: v0.10 [ 20.959712][ T1] videodev: Linux video capture interface: v2.00 [ 20.993481][ T1] pps_core: LinuxPPS API ver. 1 registered [ 21.009327][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 21.049852][ T1] PTP clock support registered [ 21.082302][ T1] EDAC MC: Ver: 3.0.0 [ 21.154440][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 21.211984][ T1] Bluetooth: Core ver 2.22 [ 21.222583][ T1] NET: Registered protocol family 31 [ 21.229318][ T1] Bluetooth: HCI device and connection manager initialized [ 21.241949][ T1] Bluetooth: HCI socket layer initialized [ 21.249524][ T1] Bluetooth: L2CAP socket layer initialized [ 21.259786][ T1] Bluetooth: SCO socket layer initialized [ 21.270412][ T1] NET: Registered protocol family 8 [ 21.279408][ T1] NET: Registered protocol family 20 [ 21.293423][ T1] NetLabel: Initializing [ 21.299320][ T1] NetLabel: domain hash size = 128 [ 21.309401][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 21.327642][ T1] NetLabel: unlabeled traffic allowed by default [ 21.343175][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 21.351379][ T1] NET: Registered protocol family 39 [ 21.360226][ T1] PCI: Using ACPI for IRQ routing [ 24.367015][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 24.369394][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 24.392856][ T1] clocksource: Switched to clocksource kvm-clock [ 28.456902][ T1] VFS: Disk quotas dquot_6.6.0 [ 28.535494][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 28.606139][ T1] FS-Cache: Loaded [ 28.665413][ T1] CacheFiles: Loaded [ 28.718030][ T1] TOMOYO: 2.6.0 [ 28.747378][ T1] Mandatory Access Control activated. [ 28.806357][ T1] pnp: PnP ACPI init [ 28.961491][ T1] pnp: PnP ACPI: found 6 devices [ 29.234135][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 29.283335][ T1] NET: Registered protocol family 2 [ 29.337916][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 29.382575][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 29.429785][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 29.457078][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 29.502119][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 29.538461][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 29.563474][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 29.592507][ T1] NET: Registered protocol family 1 [ 29.630273][ T1] RPC: Registered named UNIX socket transport module. [ 29.659839][ T1] RPC: Registered udp transport module. [ 29.694515][ T1] RPC: Registered tcp transport module. [ 29.719911][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 29.775649][ T1] NET: Registered protocol family 44 [ 29.814661][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 29.851830][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 29.882520][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 29.917177][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 29.951709][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 29.985146][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 30.020911][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 30.066101][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 45356 usecs [ 30.136631][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 30.218409][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 109720 usecs [ 30.272541][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 30.314904][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 56873 usecs [ 30.367896][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 30.405911][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 54883 usecs [ 30.454839][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 30.504183][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 62427 usecs [ 30.538740][ T1] PCI: CLS 0 bytes, default 64 [ 30.604047][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 30.636900][ T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB) [ 30.697432][ T1] kvm: no hardware support [ 30.717426][ T1] has_svm: not amd or hygon [ 30.734188][ T1] kvm: no hardware support [ 30.748885][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 30.796490][ T1] clocksource: Switched to clocksource tsc [ 30.822042][ T1] mce: Machine check injector initialized [ 30.892883][ T1] check: Scanning for low memory corruption every 60 seconds [ 31.650334][ T1] Initialise system trusted keyrings [ 31.704413][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 31.760063][ T1] zbud: loaded [ 31.826568][ T1] DLM installed [ 31.862157][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 31.913036][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 31.945989][ T1] NFS: Registering the id_resolver key type [ 31.975004][ T1] Key type id_resolver registered [ 32.000056][ T1] Key type id_legacy registered [ 32.024489][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 32.057353][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 32.106017][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 32.152368][ T1] Key type cifs.spnego registered [ 32.177503][ T1] Key type cifs.idmap registered [ 32.213479][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 32.248766][ T1] fuse: init (API version 7.31) [ 32.292016][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 32.477458][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 32.546924][ T1] 9p: Installing v9fs 9p2000 file system support [ 32.586993][ T1] FS-Cache: Netfs '9p' registered for caching [ 32.635814][ T1] ocfs2: Registered cluster interface o2cb [ 32.685778][ T1] ocfs2: Registered cluster interface user [ 32.722915][ T1] OCFS2 User DLM kernel interface loaded [ 32.820118][ T1] gfs2: GFS2 installed [ 32.888669][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 32.918118][ T1] ceph: loaded (mds proto 32) [ 33.010973][ T1] NET: Registered protocol family 38 [ 33.050496][ T1] async_tx: api initialized (async) [ 33.074291][ T1] Key type asymmetric registered [ 33.095573][ T1] Asymmetric key parser 'x509' registered [ 33.120606][ T1] Asymmetric key parser 'pkcs8' registered [ 33.150058][ T1] Key type pkcs7_test registered [ 33.172712][ T1] Asymmetric key parser 'tpm_parser' registered [ 33.199722][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 33.254180][ T1] io scheduler mq-deadline registered [ 33.278533][ T1] io scheduler kyber registered [ 33.307580][ T1] io scheduler bfq registered [ 33.379172][ T1] hgafb: HGA card not detected. [ 33.397413][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 33.427523][ T1] usbcore: registered new interface driver udlfb [ 33.477190][ T1] uvesafb: failed to execute /sbin/v86d [ 33.504302][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 33.537058][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 33.565046][ T1] uvesafb: vbe_init() failed with -22 [ 33.595623][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 33.637983][ T1] vga16fb: mapped to 0x00000000e4ddf56a [ 90.209399][ T1] Console: switching to colour frame buffer device 80x30 [ 107.981371][ C0] hrtimer: interrupt took 77321295 ns [ 148.244646][ T1] fb0: VGA16 VGA frame buffer device [ 148.803808][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 149.022075][ T1] ACPI: Power Button [PWRF] [ 149.518645][ T32] ================================================================== [ 149.523576][ T32] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20 [ 149.523576][ T32] Read of size 8 at addr ffffffff8a2e6270 by task kworker/u17:1/32 [ 149.523576][ T32] [ 149.523576][ T32] CPU: 1 PID: 32 Comm: kworker/u17:1 Not tainted 5.8.0-syzkaller #0 [ 149.523576][ T32] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 149.523576][ T32] Workqueue: events_unbound async_run_entry_fn [ 149.523576][ T32] Call Trace: [ 149.523576][ T32] dump_stack+0x18f/0x20d [ 149.523576][ T32] ? internal_create_group+0x9d8/0xb20 [ 149.523576][ T32] ? internal_create_group+0x9d8/0xb20 [ 149.523576][ T32] print_address_description.constprop.0.cold+0x5/0x497 [ 149.523576][ T32] ? vprintk_func+0x97/0x1a6 [ 149.523576][ T32] ? internal_create_group+0x9d8/0xb20 [ 149.523576][ T32] ? internal_create_group+0x9d8/0xb20 [ 149.523576][ T32] kasan_report.cold+0x1f/0x37 [ 149.523576][ T32] ? internal_create_group+0x9d8/0xb20 [ 149.523576][ T32] ? state_show+0xf0/0xf0 [ 149.523576][ T32] internal_create_group+0x9d8/0xb20 [ 149.523576][ T32] ? sysfs_remove_group+0x170/0x170 [ 149.523576][ T32] internal_create_groups.part.0+0x90/0x140 [ 149.523576][ T32] sysfs_create_groups+0x25/0x50 [ 149.523576][ T32] device_add+0x7fd/0x1c40 [ 149.523576][ T32] ? devlink_add_symlinks+0x450/0x450 [ 149.523576][ T32] ? lock_release+0x8e0/0x8e0 [ 149.523576][ T32] ? lock_downgrade+0x830/0x830 [ 149.523576][ T32] ? __schedule+0x88e/0x21e0 [ 149.523576][ T32] ? nd_synchronize+0x20/0x20 [ 149.523576][ T32] nd_async_device_register+0x12/0x80 [ 149.523576][ T32] async_run_entry_fn+0x121/0x530 [ 149.523576][ T32] process_one_work+0x94c/0x1670 [ 149.523576][ T32] ? lock_release+0x8e0/0x8e0 [ 149.523576][ T32] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 149.523576][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 149.523576][ T32] worker_thread+0x64c/0x1120 [ 149.523576][ T32] ? __kthread_parkme+0x13f/0x1e0 [ 149.523576][ T32] ? process_one_work+0x1670/0x1670 [ 149.523576][ T32] kthread+0x3b5/0x4a0 [ 149.523576][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 149.523576][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 149.523576][ T32] ret_from_fork+0x1f/0x30 [ 149.523576][ T32] [ 149.523576][ T32] The buggy address belongs to the variable: [ 149.523576][ T32] nvdimm_firmware_attributes+0x10/0x40 [ 150.629656][ T32] [ 150.629656][ T32] Memory state around the buggy address: [ 150.629656][ T32] ffffffff8a2e6100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 150.629656][ T32] ffffffff8a2e6180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 150.629656][ T32] >ffffffff8a2e6200: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 f9 f9 [ 150.629656][ T32] ^ [ 150.629656][ T32] ffffffff8a2e6280: f9 f9 f9 f9 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 [ 150.629656][ T32] ffffffff8a2e6300: 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 [ 150.629656][ T32] ================================================================== [ 150.629656][ T32] Disabling lock debugging due to kernel taint [ 150.909803][ T32] Kernel panic - not syncing: panic_on_warn set ... [ 150.919442][ T32] CPU: 1 PID: 32 Comm: kworker/u17:1 Tainted: G B 5.8.0-syzkaller #0 [ 150.919442][ T32] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 150.919442][ T32] Workqueue: events_unbound async_run_entry_fn [ 150.919442][ T32] Call Trace: [ 150.919442][ T32] dump_stack+0x18f/0x20d [ 150.919442][ T32] ? internal_create_group+0x960/0xb20 [ 150.919442][ T32] panic+0x2e3/0x75c [ 150.919442][ T32] ? __warn_printk+0xf3/0xf3 [ 150.919442][ T32] ? preempt_schedule_common+0x59/0xc0 [ 150.919442][ T32] ? internal_create_group+0x9d8/0xb20 [ 150.919442][ T32] ? preempt_schedule_thunk+0x16/0x18 [ 150.919442][ T32] ? trace_hardirqs_on+0x55/0x220 [ 150.919442][ T32] ? internal_create_group+0x9d8/0xb20 [ 150.919442][ T32] ? internal_create_group+0x9d8/0xb20 [ 150.919442][ T32] end_report+0x4d/0x53 [ 150.919442][ T32] kasan_report.cold+0xd/0x37 [ 150.919442][ T32] ? internal_create_group+0x9d8/0xb20 [ 150.919442][ T32] ? state_show+0xf0/0xf0 [ 150.919442][ T32] internal_create_group+0x9d8/0xb20 [ 150.919442][ T32] ? sysfs_remove_group+0x170/0x170 [ 150.919442][ T32] internal_create_groups.part.0+0x90/0x140 [ 150.919442][ T32] sysfs_create_groups+0x25/0x50 [ 150.919442][ T32] device_add+0x7fd/0x1c40 [ 150.919442][ T32] ? devlink_add_symlinks+0x450/0x450 [ 150.919442][ T32] ? lock_release+0x8e0/0x8e0 [ 150.919442][ T32] ? lock_downgrade+0x830/0x830 [ 150.919442][ T32] ? __schedule+0x88e/0x21e0 [ 150.919442][ T32] ? nd_synchronize+0x20/0x20 [ 150.919442][ T32] nd_async_device_register+0x12/0x80 [ 150.919442][ T32] async_run_entry_fn+0x121/0x530 [ 150.919442][ T32] process_one_work+0x94c/0x1670 [ 150.919442][ T32] ? lock_release+0x8e0/0x8e0 [ 150.919442][ T32] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 150.919442][ T32] ? rwlock_bug.part.0+0x90/0x90 [ 150.919442][ T32] worker_thread+0x64c/0x1120 [ 150.919442][ T32] ? __kthread_parkme+0x13f/0x1e0 [ 150.919442][ T32] ? process_one_work+0x1670/0x1670 [ 150.919442][ T32] kthread+0x3b5/0x4a0 [ 150.919442][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 150.919442][ T32] ? __kthread_bind_mask+0xc0/0xc0 [ 150.919442][ T32] ret_from_fork+0x1f/0x30 [ 150.919442][ T32] Kernel Offset: disabled [ 150.919442][ T32] Rebooting in 86400 seconds..