[ 0.000000][ T0] Linux version 5.9.0-rc2-syzkaller (syzkaller@syzkaller) (gcc (GCC) 10.1.0-syz 20200507, GNU ld (GNU Binutils for Debian) 2.28) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/vmlinuz root=/dev/sda1 console=ttyS0 earlyprintk=serial vsyscall=native rodata=n oops=panic panic_on_warn=1 nmi_watchdog=panic panic=86400 net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 security=selinux lsm=lockdown,yama,safesetid,integrity,selinux,tomoyo,bpf ima_policy=tcb workqueue.watchdog_thresh=140 kvm-intel.nested=1 nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 spec_store_bypass_disable=prctl numa=fake=2 nopcid dummy_hcd.num=8 binder.debug_mask=0 rcupdate.rcu_expedited=1 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] Centaur CentaurHauls [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: xstate_offset[5]: 1088, xstate_sizes[5]: 64 [ 0.000000][ T0] x86/fpu: xstate_offset[6]: 1152, xstate_sizes[6]: 512 [ 0.000000][ T0] x86/fpu: xstate_offset[7]: 1664, xstate_sizes[7]: 1024 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2688 bytes, using 'standard' format. [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x000000007ffdcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000007ffdd000-0x000000007fffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.8 present. [ 0.000000][ T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000199][ T0] kvm-clock: cpu 0, msr bed2001, primary cpu clock [ 0.000199][ T0] kvm-clock: using sched offset of 14780464804 cycles [ 0.056748][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.289503][ T0] tsc: Detected 2000.164 MHz processor [ 0.439740][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.532513][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.638725][ T0] found SMP MP-table at [mem 0x000f5a40-0x000f5a4f] [ 0.714205][ T0] check: Scanning 1 areas for low memory corruption [ 0.802613][ T0] ACPI: Early table checksum verification disabled [ 0.880012][ T0] ACPI: RSDP 0x00000000000F5870 000014 (v00 BOCHS ) [ 0.943777][ T0] ACPI: RSDT 0x000000007FFE1F9D 000040 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 1.047265][ T0] ACPI: FACP 0x000000007FFE1860 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 1.148717][ T0] ACPI: DSDT 0x000000007FFDF040 002820 (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 1.250501][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 1.310123][ T0] ACPI: APIC 0x000000007FFE1954 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 1.408244][ T0] ACPI: HPET 0x000000007FFE1A04 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 1.498261][ T0] ACPI: SRAT 0x000000007FFE1A3C 000178 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 1.597358][ T0] ACPI: MCFG 0x000000007FFE1BB4 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 1.698214][ T0] ACPI: SSDT 0x000000007FFE1BF0 0002CD (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 1.788563][ T0] ACPI: NFIT 0x000000007FFE1EBD 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 1.917831][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 1.973261][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 2.023812][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 2.069458][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 2.116276][ T0] SRAT: PXM 1 -> APIC 0x04 -> Node 1 [ 2.157951][ T0] SRAT: PXM 1 -> APIC 0x05 -> Node 1 [ 2.202988][ T0] SRAT: PXM 1 -> APIC 0x06 -> Node 1 [ 2.249850][ T0] SRAT: PXM 1 -> APIC 0x07 -> Node 1 [ 2.288890][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 2.341835][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x3fffffff] [ 2.390986][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x40000000-0x7fffffff] [ 2.437138][ T0] ACPI: SRAT: Node 1 PXM 1 [mem 0x100000000-0x57fffffff] hotplug [ 2.488066][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x3fffffff] -> [mem 0x00000000-0x3fffffff] [ 2.589970][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 2.651610][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 2.707594][ T0] NODE_DATA(0) allocated [mem 0x3fffb000-0x3fffffff] [ 2.763480][ T0] NODE_DATA(1) allocated [mem 0x7ffd7000-0x7ffdbfff] [ 3.106755][ T0] Zone ranges: [ 3.132867][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 3.183391][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 3.232111][ T0] Normal empty [ 3.265490][ T0] Device empty [ 3.295488][ T0] Movable zone start for each node [ 3.379036][ T0] Early memory node ranges [ 3.411843][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 3.464611][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 3.512230][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 3.560251][ T0] Zeroed struct page in unavailable ranges: 133 pages [ 3.560735][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 3.690531][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 7.290160][ T0] kasan: KernelAddressSanitizer initialized [ 7.387515][ T0] ACPI: PM-Timer IO Port: 0x608 [ 7.419774][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 7.474416][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 7.507686][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 7.537256][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 7.564287][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 7.593180][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 7.623882][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 7.661831][ T0] Using ACPI (MADT) for SMP configuration information [ 7.691836][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 7.717650][ T0] TSC deadline timer available [ 7.735060][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 7.759666][ T0] kvm-guest: KVM setup pv remote TLB flush [ 7.791893][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 7.816815][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 7.847319][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 7.879833][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 7.921149][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 7.950475][ T0] Booting paravirtualized kernel on KVM [ 7.984548][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 8.095439][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:2 [ 8.251655][ T0] percpu: Embedded 65 pages/cpu s226696 r8192 d31352 u1048576 [ 8.302337][ T0] kvm-guest: stealtime: cpu 0, msr 2ce20a40 [ 8.334078][ T0] kvm-guest: PV spinlocks enabled [ 8.357354][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 8.401562][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515942 [ 8.433433][ T0] Policy zone: DMA32 [ 8.440786][ 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 [ 8.621147][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 9.293813][ T0] Memory: 1503356K/2096620K available (116743K kernel code, 17681K rwdata, 21640K rodata, 2792K init, 23924K bss, 593008K reserved, 0K cma-reserved) [ 9.452827][ T0] Running RCU self tests [ 9.469094][ T0] rcu: Preemptible hierarchical RCU implementation. [ 9.487870][ T0] rcu: RCU lockdep checking is enabled. [ 9.500797][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8. [ 9.511971][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 9.521019][ T0] rcu: RCU debug extended QS entry/exit. [ 9.528168][ T0] All grace periods are expedited (rcu_expedited). [ 9.536664][ T0] Trampoline variant of Tasks RCU enabled. [ 9.544426][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 9.558229][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8 [ 9.587603][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 9.664638][ T0] random: get_random_bytes called from start_kernel+0x23b/0x46a with crng_init=0 [ 9.945788][ T0] Console: colour VGA+ 80x25 [ 9.972742][ T0] printk: console [ttyS0] enabled [ 9.972742][ T0] printk: console [ttyS0] enabled [ 9.993500][ T0] printk: bootconsole [earlyser0] disabled [ 9.993500][ T0] printk: bootconsole [earlyser0] disabled [ 10.030150][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 10.048861][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 10.061914][ T0] ... MAX_LOCK_DEPTH: 48 [ 10.074907][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 10.086214][ T0] ... CLASSHASH_SIZE: 4096 [ 10.096591][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 10.108515][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 10.120251][ T0] ... CHAINHASH_SIZE: 32768 [ 10.130453][ T0] memory used by lock dependency info: 6301 kB [ 10.142216][ T0] memory used for stack traces: 4224 kB [ 10.150941][ T0] per task-struct memory footprint: 1920 bytes [ 10.164047][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 10.200928][ T0] ACPI: Core revision 20200717 [ 10.227977][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 10.287052][ T0] APIC: Switch to symmetric I/O mode setup [ 10.341449][ T0] x2apic enabled [ 10.380630][ T0] Switched APIC routing to physical x2apic. [ 10.408004][ T0] kvm-guest: setup PV IPIs [ 10.565835][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 10.591487][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 10.631832][ T0] Calibrating delay loop (skipped) preset value.. 4000.32 BogoMIPS (lpj=20001640) [ 10.652494][ T0] pid_max: default: 32768 minimum: 301 [ 10.676762][ T0] LSM: Security Framework initializing [ 10.681435][ T0] LSM: security= is ignored because it is superseded by lsm= [ 10.692863][ T0] Yama: becoming mindful. [ 10.704142][ T0] SELinux: Initializing. [ 10.724702][ T0] TOMOYO Linux initialized [ 10.731941][ T0] LSM support for eBPF active [ 10.764380][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 10.788715][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 10.792733][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 10.801573][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 10.985360][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 11.013121][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 11.021051][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 11.042195][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 11.051500][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 11.051832][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 11.083111][ T0] TAA: Mitigation: Clear CPU buffers [ 11.091047][ T0] MDS: Mitigation: Clear CPU buffers [ 11.185821][ T0] Freeing SMP alternatives memory: 104K [ 11.546084][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.00GHz (family: 0x6, model: 0x55, stepping: 0x3) [ 11.587403][ T1] Performance Events: unsupported p6 CPU model 85 no PMU driver, software events only. [ 11.603200][ T1] rcu: Hierarchical SRCU implementation. [ 11.623631][ T1] dyndbg: Ignore empty _ddebug table in a CONFIG_DYNAMIC_DEBUG_CORE build [ 11.638902][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 11.664497][ T1] smp: Bringing up secondary CPUs ... [ 11.701034][ T1] x86: Booting SMP configuration: [ 11.712618][ T1] .... node #0, CPUs: #1 [ 0.888951][ T0] kvm-clock: cpu 1, msr bed2041, secondary cpu clock [ 11.861036][ T15] kvm-guest: stealtime: cpu 1, msr 2cf20a40 [ 11.914272][ 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. [ 11.922980][ 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. [ 11.945166][ T1] #2 [ 0.888951][ T0] kvm-clock: cpu 2, msr bed2081, secondary cpu clock [ 11.985773][ T20] kvm-guest: stealtime: cpu 2, msr 2d020a40 [ 12.021892][ T1] #3 [ 0.888951][ T0] kvm-clock: cpu 3, msr bed20c1, secondary cpu clock [ 12.112393][ T25] kvm-guest: stealtime: cpu 3, msr 2d120a40 [ 12.142240][ T1] smp: Brought up 2 nodes, 4 CPUs [ 12.151267][ T1] smpboot: Max logical packages: 2 [ 12.161182][ T1] smpboot: Total of 4 processors activated (16001.31 BogoMIPS) [ 12.241922][ T1] devtmpfs: initialized [ 12.267028][ T1] x86/mm: Memory block size: 128MB [ 12.392963][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 12.441773][ T33] kworker/u17:0 (33) used greatest stack depth: 27544 bytes left [ 12.444755][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc) [ 12.494302][ T1] xor: automatically using best checksumming function avx [ 12.542304][ T1] PM: RTC time: 20:13:14, date: 2020-08-24 [ 12.609989][ T1] NET: Registered protocol family 16 [ 12.642110][ T1] audit: initializing netlink subsys (disabled) [ 12.692318][ T41] audit: type=2000 audit(1598299994.076:1): state=initialized audit_enabled=0 res=1 [ 12.759710][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 12.759887][ T1] thermal_sys: Registered thermal governor 'user_space' [ 12.831448][ T1] cpuidle: using governor menu [ 12.831448][ T60] kworker/u17:0 (60) used greatest stack depth: 26168 bytes left [ 12.882059][ T1] NET: Registered protocol family 42 [ 13.020119][ T1] ACPI: bus type PCI registered [ 13.080800][ T1] dca service started, version 1.12.1 [ 13.130222][ T1] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xb0000000-0xbfffffff] (base 0xb0000000) [ 13.212628][ T1] PCI: MMCONFIG at [mem 0xb0000000-0xbfffffff] reserved in E820 [ 13.650483][ T1] PCI: Using configuration type 1 for base access [ 14.394579][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 14.684881][ T1] cryptd: max_cpu_qlen set to 1000 [ 15.031034][ T1] raid6: avx512x4 gen() 13853 MB/s [ 15.228533][ T1] raid6: avx512x4 xor() 6058 MB/s [ 15.424746][ T1] raid6: avx512x2 gen() 9478 MB/s [ 15.611072][ T1] raid6: avx512x2 xor() 4942 MB/s [ 15.808016][ T1] raid6: avx512x1 gen() 5261 MB/s [ 15.993640][ T1] raid6: avx512x1 xor() 2121 MB/s [ 16.181307][ T1] raid6: avx2x4 gen() 7518 MB/s [ 16.361346][ T1] raid6: avx2x4 xor() 4597 MB/s [ 16.541085][ T1] raid6: avx2x2 gen() 5828 MB/s [ 16.711219][ T1] raid6: avx2x2 xor() 3077 MB/s [ 16.884000][ T1] raid6: avx2x1 gen() 3546 MB/s [ 17.068229][ T1] raid6: avx2x1 xor() 1490 MB/s [ 17.250970][ T1] raid6: sse2x4 gen() 4981 MB/s [ 17.413604][ T1] raid6: sse2x4 xor() 2548 MB/s [ 17.616325][ T1] raid6: sse2x2 gen() 2936 MB/s [ 17.810835][ T1] raid6: sse2x2 xor() 1491 MB/s [ 18.024027][ T1] raid6: sse2x1 gen() 1697 MB/s [ 18.217229][ T1] raid6: sse2x1 xor() 739 MB/s [ 18.261431][ T1] raid6: using algorithm avx512x4 gen() 13853 MB/s [ 18.321305][ T1] raid6: .... xor() 6058 MB/s, rmw enabled [ 18.362318][ T1] raid6: using avx512x2 recovery algorithm [ 18.595723][ T1] ACPI: Added _OSI(Module Device) [ 18.642452][ T1] ACPI: Added _OSI(Processor Device) [ 18.698297][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 18.732018][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 18.772842][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 18.811545][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 18.851594][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 19.025274][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 19.267719][ T1] ACPI: Interpreter enabled [ 19.320980][ T1] ACPI: (supports S0 S3 S4 S5) [ 19.352396][ T1] ACPI: Using IOAPIC for interrupt routing [ 19.393955][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 19.481034][ T1] ACPI: Enabled 3 GPEs in block 00 to 3F [ 19.851034][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 19.906267][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 19.989085][ T1] acpi PNP0A08:00: _OSC: platform does not support [LTR] [ 20.066638][ T1] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability] [ 20.207752][ T1] PCI host bridge to bus 0000:00 [ 20.262044][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 20.371034][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 20.451879][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 20.561034][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 20.633494][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 20.701390][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 20.741707][ T1] pci_bus 0000:00: root bus resource [mem 0x580000000-0xd7fffffff window] [ 20.793042][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 20.843295][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 [ 20.932567][ T1] pci 0000:00:01.0: [1af4:1050] type 00 class 0x030000 [ 21.021034][ T1] pci 0000:00:01.0: reg 0x10: [mem 0xfe000000-0xfe7fffff pref] [ 21.191034][ T1] pci 0000:00:01.0: reg 0x18: [mem 0xfe800000-0xfe803fff 64bit pref] [ 21.381034][ T1] pci 0000:00:01.0: reg 0x20: [mem 0xfebf4000-0xfebf4fff] [ 21.541034][ T1] pci 0000:00:01.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref] [ 22.017360][ T1] pci 0000:00:02.0: [1af4:1000] type 00 class 0x020000 [ 22.045205][ T1] pci 0000:00:02.0: reg 0x10: [io 0xc680-0xc69f] [ 22.070927][ T1] pci 0000:00:02.0: reg 0x14: [mem 0xfebf5000-0xfebf5fff] [ 22.098635][ T1] pci 0000:00:02.0: reg 0x20: [mem 0xfe804000-0xfe807fff 64bit pref] [ 22.108559][ T1] pci 0000:00:02.0: reg 0x30: [mem 0xfeb40000-0xfeb7ffff pref] [ 22.197176][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 [ 22.211970][ T1] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff] [ 22.234319][ T1] pci 0000:00:03.0: reg 0x14: [io 0xc600-0xc63f] [ 22.268484][ T1] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref] [ 22.318941][ T1] pci 0000:00:04.0: [1274:5000] type 00 class 0x040100 [ 22.329894][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc400-0xc4ff] [ 22.388172][ T1] pci 0000:00:05.0: [8086:2415] type 00 class 0x040100 [ 22.404144][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc000-0xc3ff] [ 22.417421][ T1] pci 0000:00:05.0: reg 0x14: [io 0xc500-0xc5ff] [ 22.484292][ T1] pci 0000:00:06.0: [8086:2668] type 00 class 0x040300 [ 22.498835][ T1] pci 0000:00:06.0: reg 0x10: [mem 0xfebf0000-0xfebf3fff] [ 22.568136][ T1] pci 0000:00:07.0: [1af4:1009] type 00 class 0x000200 [ 22.580318][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc6a0-0xc6bf] [ 22.586156][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfebf6000-0xfebf6fff] [ 22.617030][ T1] pci 0000:00:07.0: reg 0x20: [mem 0xfe808000-0xfe80bfff 64bit pref] [ 22.699323][ T1] pci 0000:00:1d.0: [8086:2934] type 00 class 0x0c0300 [ 22.727872][ T1] pci 0000:00:1d.0: reg 0x20: [io 0xc6c0-0xc6df] [ 22.755369][ T1] pci 0000:00:1d.1: [8086:2935] type 00 class 0x0c0300 [ 22.787766][ T1] pci 0000:00:1d.1: reg 0x20: [io 0xc6e0-0xc6ff] [ 22.812101][ T1] pci 0000:00:1d.2: [8086:2936] type 00 class 0x0c0300 [ 22.851423][ T1] pci 0000:00:1d.2: reg 0x20: [io 0xc700-0xc71f] [ 22.881395][ T1] pci 0000:00:1d.7: [8086:293a] type 00 class 0x0c0320 [ 22.896045][ T1] pci 0000:00:1d.7: reg 0x10: [mem 0xfebf7000-0xfebf7fff] [ 22.928775][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 [ 22.964954][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 22.981034][ T1] pci 0000:00:1f.0: quirk_ich7_lpc+0x0/0x190 took 19531 usecs [ 23.020746][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 [ 23.049049][ T1] pci 0000:00:1f.2: reg 0x20: [io 0xc720-0xc73f] [ 23.054143][ T1] pci 0000:00:1f.2: reg 0x24: [mem 0xfebf8000-0xfebf8fff] [ 23.080299][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 [ 23.104501][ T1] pci 0000:00:1f.3: reg 0x20: [io 0x0700-0x073f] [ 23.280532][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 23.298652][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 23.306153][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 23.317450][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 23.325266][ T1] ACPI: PCI Interrupt Link [LNKE] (IRQs 5 *10 11) [ 23.335503][ T1] ACPI: PCI Interrupt Link [LNKF] (IRQs 5 *10 11) [ 23.344786][ T1] ACPI: PCI Interrupt Link [LNKG] (IRQs 5 10 *11) [ 23.353965][ T1] ACPI: PCI Interrupt Link [LNKH] (IRQs 5 10 *11) [ 23.362012][ T1] ACPI: PCI Interrupt Link [GSIA] (IRQs *16) [ 23.371570][ T1] ACPI: PCI Interrupt Link [GSIB] (IRQs *17) [ 23.381585][ T1] ACPI: PCI Interrupt Link [GSIC] (IRQs *18) [ 23.391461][ T1] ACPI: PCI Interrupt Link [GSID] (IRQs *19) [ 23.401869][ T1] ACPI: PCI Interrupt Link [GSIE] (IRQs *20) [ 23.411798][ T1] ACPI: PCI Interrupt Link [GSIF] (IRQs *21) [ 23.421484][ T1] ACPI: PCI Interrupt Link [GSIG] (IRQs *22) [ 23.431805][ T1] ACPI: PCI Interrupt Link [GSIH] (IRQs *23) [ 23.567178][ T1] iommu: Default domain type: Translated [ 23.608409][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 23.611034][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 23.611597][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 23.621723][ T1] vgaarb: loaded [ 23.740725][ T1] SCSI subsystem initialized [ 23.778795][ T1] ACPI: bus type USB registered [ 23.786348][ T1] usbcore: registered new interface driver usbfs [ 23.793123][ T1] usbcore: registered new interface driver hub [ 23.804158][ T1] usbcore: registered new device driver usb [ 23.826988][ T1] mc: Linux media interface: v0.10 [ 23.832842][ T1] videodev: Linux video capture interface: v2.00 [ 23.852733][ T1] pps_core: LinuxPPS API ver. 1 registered [ 23.861389][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 23.872292][ T1] PTP clock support registered [ 23.892106][ T1] EDAC MC: Ver: 3.0.0 [ 23.933959][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 24.024290][ T1] Bluetooth: Core ver 2.22 [ 24.053892][ T1] NET: Registered protocol family 31 [ 24.081504][ T1] Bluetooth: HCI device and connection manager initialized [ 24.134011][ T1] Bluetooth: HCI socket layer initialized [ 24.181325][ T1] Bluetooth: L2CAP socket layer initialized [ 24.222351][ T1] Bluetooth: SCO socket layer initialized [ 24.262955][ T1] NET: Registered protocol family 8 [ 24.311489][ T1] NET: Registered protocol family 20 [ 24.358987][ T1] NetLabel: Initializing [ 24.411695][ T1] NetLabel: domain hash size = 128 [ 24.461582][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 24.564674][ T1] NetLabel: unlabeled traffic allowed by default [ 24.662666][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 24.713999][ T1] NET: Registered protocol family 39 [ 24.755205][ T1] PCI: Using ACPI for IRQ routing [ 28.270200][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 28.292534][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 28.347796][ T1] clocksource: Switched to clocksource kvm-clock [ 32.370055][ T1] VFS: Disk quotas dquot_6.6.0 [ 32.414272][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 32.468769][ T1] FS-Cache: Loaded [ 32.520641][ T1] CacheFiles: Loaded [ 32.559681][ T1] TOMOYO: 2.6.0 [ 32.569537][ T1] Mandatory Access Control activated. [ 32.594555][ T1] pnp: PnP ACPI init [ 32.713511][ T1] pnp: PnP ACPI: found 6 devices [ 32.966388][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 33.028509][ T1] NET: Registered protocol family 2 [ 33.097948][ T1] tcp_listen_portaddr_hash hash table entries: 1024 (order: 4, 81920 bytes, vmalloc) [ 33.140299][ T1] TCP established hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 33.194140][ T1] TCP bind hash table entries: 16384 (order: 8, 1179648 bytes, vmalloc) [ 33.225998][ T1] TCP: Hash tables configured (established 16384 bind 16384) [ 33.274518][ T1] MPTCP token hash table entries: 2048 (order: 5, 180224 bytes, vmalloc) [ 33.314982][ T1] UDP hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 33.363325][ T1] UDP-Lite hash table entries: 1024 (order: 5, 163840 bytes, vmalloc) [ 33.416022][ T1] NET: Registered protocol family 1 [ 33.482667][ T1] RPC: Registered named UNIX socket transport module. [ 33.515048][ T1] RPC: Registered udp transport module. [ 33.543429][ T1] RPC: Registered tcp transport module. [ 33.569697][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 33.614172][ T1] NET: Registered protocol family 44 [ 33.641610][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 33.679655][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 33.712869][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 33.759919][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 33.809353][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 33.848840][ T1] pci_bus 0000:00: resource 9 [mem 0x580000000-0xd7fffffff window] [ 33.898287][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 33.932513][ T1] pci 0000:00:01.0: pci_fixup_video+0x0/0x270 took 32839 usecs [ 34.006709][ T1] PCI Interrupt Link [GSIA] enabled at IRQ 16 [ 34.073276][ T1] pci 0000:00:1d.0: quirk_usb_early_handoff+0x0/0x105b took 103542 usecs [ 34.119714][ T1] PCI Interrupt Link [GSIB] enabled at IRQ 17 [ 34.176226][ T1] pci 0000:00:1d.1: quirk_usb_early_handoff+0x0/0x105b took 72334 usecs [ 34.215793][ T1] PCI Interrupt Link [GSIC] enabled at IRQ 18 [ 34.251741][ T1] pci 0000:00:1d.2: quirk_usb_early_handoff+0x0/0x105b took 48449 usecs [ 34.302463][ T1] PCI Interrupt Link [GSID] enabled at IRQ 19 [ 34.371016][ T1] pci 0000:00:1d.7: quirk_usb_early_handoff+0x0/0x105b took 89032 usecs [ 34.406108][ T1] PCI: CLS 0 bytes, default 64 [ 34.515752][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 34.544771][ T1] software IO TLB: mapped [mem 0x7ac00000-0x7ec00000] (64MB) [ 34.605515][ T1] kvm: no hardware support [ 34.623696][ T1] has_svm: not amd or hygon [ 34.638602][ T1] kvm: no hardware support [ 34.654620][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1cd4c92266a, max_idle_ns: 440795223404 ns [ 34.697295][ T1] clocksource: Switched to clocksource tsc [ 34.717589][ T1] mce: Machine check injector initialized [ 34.768645][ T1] check: Scanning for low memory corruption every 60 seconds [ 35.468194][ T1] Initialise system trusted keyrings [ 35.539765][ T1] workingset: timestamp_bits=40 max_order=19 bucket_order=0 [ 35.602646][ T1] zbud: loaded [ 35.691450][ T1] DLM installed [ 35.718294][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 35.769308][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 35.795861][ T1] NFS: Registering the id_resolver key type [ 35.820046][ T1] Key type id_resolver registered [ 35.847851][ T1] Key type id_legacy registered [ 35.882109][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 35.909935][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 35.974085][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 36.003936][ T1] Key type cifs.spnego registered [ 36.019634][ T1] Key type cifs.idmap registered [ 36.030933][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 36.054940][ T1] fuse: init (API version 7.31) [ 36.095543][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 36.235931][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 36.293871][ T1] 9p: Installing v9fs 9p2000 file system support [ 36.318016][ T1] FS-Cache: Netfs '9p' registered for caching [ 36.343897][ T1] ocfs2: Registered cluster interface o2cb [ 36.364112][ T1] ocfs2: Registered cluster interface user [ 36.390132][ T1] OCFS2 User DLM kernel interface loaded [ 36.512230][ T1] gfs2: GFS2 installed [ 36.587019][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 36.626761][ T1] ceph: loaded (mds proto 32) [ 36.736054][ T1] NET: Registered protocol family 38 [ 36.776407][ T1] async_tx: api initialized (async) [ 36.812912][ T1] Key type asymmetric registered [ 36.855628][ T1] Asymmetric key parser 'x509' registered [ 36.897500][ T1] Asymmetric key parser 'pkcs8' registered [ 36.942766][ T1] Key type pkcs7_test registered [ 36.974871][ T1] Asymmetric key parser 'tpm_parser' registered [ 37.009476][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 37.066343][ T1] io scheduler mq-deadline registered [ 37.096793][ T1] io scheduler kyber registered [ 37.136559][ T1] io scheduler bfq registered [ 37.222999][ T1] hgafb: HGA card not detected. [ 37.259507][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 37.288617][ T1] usbcore: registered new interface driver udlfb [ 37.363577][ T1] uvesafb: failed to execute /sbin/v86d [ 37.388064][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 37.432275][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 37.476914][ T1] uvesafb: vbe_init() failed with -22 [ 37.513785][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 37.564851][ T1] vga16fb: mapped to 0x00000000460b8bec [ 45.626796][ C0] hrtimer: interrupt took 30987086 ns [ 69.946496][ T1] Console: switching to colour frame buffer device 80x30 [ 112.565795][ T1] fb0: VGA16 VGA frame buffer device [ 112.784986][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 112.852304][ T1] ACPI: Power Button [PWRF] [ 113.176424][ T115] ================================================================== [ 113.182374][ T115] BUG: KASAN: global-out-of-bounds in internal_create_group+0x9d8/0xb20 [ 113.182374][ T115] Read of size 8 at addr ffffffff8a2e8cf0 by task kworker/u17:5/115 [ 113.182374][ T115] [ 113.182374][ T115] CPU: 2 PID: 115 Comm: kworker/u17:5 Not tainted 5.9.0-rc2-syzkaller #0 [ 113.182374][ T115] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 113.182374][ T115] Workqueue: events_unbound async_run_entry_fn [ 113.182374][ T115] Call Trace: [ 113.182374][ T115] dump_stack+0x18f/0x20d [ 113.182374][ T115] ? internal_create_group+0x9d8/0xb20 [ 113.182374][ T115] ? internal_create_group+0x9d8/0xb20 [ 113.182374][ T115] print_address_description.constprop.0.cold+0x5/0x497 [ 113.182374][ T115] ? vprintk_func+0x97/0x1a6 [ 113.182374][ T115] ? internal_create_group+0x9d8/0xb20 [ 113.182374][ T115] ? internal_create_group+0x9d8/0xb20 [ 113.182374][ T115] kasan_report.cold+0x1f/0x37 [ 113.182374][ T115] ? internal_create_group+0x9d8/0xb20 [ 113.182374][ T115] ? state_show+0xf0/0xf0 [ 113.182374][ T115] internal_create_group+0x9d8/0xb20 [ 113.182374][ T115] ? sysfs_remove_group+0x170/0x170 [ 113.182374][ T115] internal_create_groups.part.0+0x90/0x140 [ 113.182374][ T115] sysfs_create_groups+0x25/0x50 [ 113.182374][ T115] device_add+0x7fd/0x1c40 [ 113.182374][ T115] ? devlink_add_symlinks+0x450/0x450 [ 113.182374][ T115] ? lock_release+0x8e0/0x8e0 [ 113.182374][ T115] ? lock_downgrade+0x830/0x830 [ 113.182374][ T115] ? __schedule+0x88e/0x21e0 [ 113.182374][ T115] ? nd_synchronize+0x20/0x20 [ 113.182374][ T115] nd_async_device_register+0x12/0x80 [ 113.182374][ T115] async_run_entry_fn+0x121/0x530 [ 113.182374][ T115] process_one_work+0x94c/0x1670 [ 113.182374][ T115] ? lock_release+0x8e0/0x8e0 [ 113.182374][ T115] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 113.182374][ T115] ? rwlock_bug.part.0+0x90/0x90 [ 113.182374][ T115] worker_thread+0x64c/0x1120 [ 113.182374][ T115] ? process_one_work+0x1670/0x1670 [ 113.182374][ T115] kthread+0x3b5/0x4a0 [ 113.182374][ T115] ? __kthread_bind_mask+0xc0/0xc0 [ 113.182374][ T115] ? __kthread_bind_mask+0xc0/0xc0 [ 113.182374][ T115] ret_from_fork+0x1f/0x30 [ 113.182374][ T115] [ 113.182374][ T115] The buggy address belongs to the variable: [ 113.182374][ T115] nvdimm_firmware_attributes+0x10/0x40 [ 113.182374][ T115] [ 113.182374][ T115] Memory state around the buggy address: [ 113.182374][ T115] ffffffff8a2e8b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 113.182374][ T115] ffffffff8a2e8c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 113.182374][ T115] >ffffffff8a2e8c80: 00 00 00 00 00 00 00 00 f9 f9 f9 f9 00 00 f9 f9 [ 113.182374][ T115] ^ [ 113.182374][ T115] ffffffff8a2e8d00: f9 f9 f9 f9 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 [ 113.182374][ T115] ffffffff8a2e8d80: 00 00 00 00 00 00 00 f9 f9 f9 f9 f9 00 00 00 00 [ 113.182374][ T115] ================================================================== [ 113.182374][ T115] Disabling lock debugging due to kernel taint [ 114.402740][ T115] Kernel panic - not syncing: panic_on_warn set ... [ 114.411155][ T115] CPU: 2 PID: 115 Comm: kworker/u17:5 Tainted: G B 5.9.0-rc2-syzkaller #0 [ 114.411155][ T115] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 114.411155][ T115] Workqueue: events_unbound async_run_entry_fn [ 114.411155][ T115] Call Trace: [ 114.411155][ T115] dump_stack+0x18f/0x20d [ 114.411155][ T115] ? internal_create_group+0x910/0xb20 [ 114.612199][ T115] panic+0x2e3/0x75c [ 114.612199][ T115] ? __warn_printk+0xf3/0xf3 [ 114.612199][ T115] ? preempt_schedule_common+0x59/0xc0 [ 114.612199][ T115] ? internal_create_group+0x9d8/0xb20 [ 114.612199][ T115] ? preempt_schedule_thunk+0x16/0x18 [ 114.612199][ T115] ? trace_hardirqs_on+0x55/0x220 [ 114.612199][ T115] ? internal_create_group+0x9d8/0xb20 [ 114.612199][ T115] ? internal_create_group+0x9d8/0xb20 [ 114.612199][ T115] end_report+0x4d/0x53 [ 114.612199][ T115] kasan_report.cold+0xd/0x37 [ 114.612199][ T115] ? internal_create_group+0x9d8/0xb20 [ 114.612199][ T115] ? state_show+0xf0/0xf0 [ 114.612199][ T115] internal_create_group+0x9d8/0xb20 [ 114.612199][ T115] ? sysfs_remove_group+0x170/0x170 [ 114.612199][ T115] internal_create_groups.part.0+0x90/0x140 [ 114.612199][ T115] sysfs_create_groups+0x25/0x50 [ 114.612199][ T115] device_add+0x7fd/0x1c40 [ 114.612199][ T115] ? devlink_add_symlinks+0x450/0x450 [ 114.612199][ T115] ? lock_release+0x8e0/0x8e0 [ 114.612199][ T115] ? lock_downgrade+0x830/0x830 [ 114.612199][ T115] ? __schedule+0x88e/0x21e0 [ 114.612199][ T115] ? nd_synchronize+0x20/0x20 [ 114.612199][ T115] nd_async_device_register+0x12/0x80 [ 114.612199][ T115] async_run_entry_fn+0x121/0x530 [ 114.612199][ T115] process_one_work+0x94c/0x1670 [ 114.612199][ T115] ? lock_release+0x8e0/0x8e0 [ 114.612199][ T115] ? pwq_dec_nr_in_flight+0x2d0/0x2d0 [ 114.612199][ T115] ? rwlock_bug.part.0+0x90/0x90 [ 114.612199][ T115] worker_thread+0x64c/0x1120 [ 114.612199][ T115] ? process_one_work+0x1670/0x1670 [ 114.612199][ T115] kthread+0x3b5/0x4a0 [ 114.612199][ T115] ? __kthread_bind_mask+0xc0/0xc0 [ 114.612199][ T115] ? __kthread_bind_mask+0xc0/0xc0 [ 114.612199][ T115] ret_from_fork+0x1f/0x30 [ 114.612199][ T115] Kernel Offset: disabled [ 114.612199][ T115] Rebooting in 86400 seconds..