[ 0.000000][ T0] Linux version 5.7.0-rc4-syzkaller (syzkaller@syzkaller) (clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81), GNU ld (GNU Binutils for Ubuntu) 2.26.1) #0 SMP 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 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 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] Centaur CentaurHauls [ 0.000000][ T0] zhaoxin Shanghai [ 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: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 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 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000021fffffff] usable [ 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 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000][ T0] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.000000][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT Memory KASLR using RDRAND RDTSC... [ 0.000000][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.000000][ T0] found SMP MP-table at [mem 0x000f23e0-0x000f23ef] [ 0.000000][ T0] check: Scanning 1 areas for low memory corruption [ 0.000000][ T0] Using GB pages for direct mapping [ 0.000000][ T0] ACPI: Early table checksum verification disabled [ 0.000000][ T0] ACPI: RSDP 0x00000000000F2160 000014 (v00 Google) [ 0.000000][ T0] ACPI: RSDT 0x00000000BFFFFFC0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.000000][ T0] ACPI: FACP 0x00000000BFFFF380 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.000000][ T0] ACPI: DSDT 0x00000000BFFFDAC0 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.000000][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.000000][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.000000][ T0] ACPI: SRAT 0x00000000BFFFFEB0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.000000][ T0] ACPI: APIC 0x00000000BFFFFE00 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.000000][ T0] ACPI: SSDT 0x00000000BFFFF480 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.000000][ T0] ACPI: WAET 0x00000000BFFFFE80 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.000000][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.000000][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.000000][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.000000][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.000000][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.000000][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.000000][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.000000][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.000000][ T0] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.000000][ T0] NODE_DATA(0) allocated [mem 0x12fffc000-0x12fffffff] [ 0.000000][ T0] NODE_DATA(1) allocated [mem 0x21fffb000-0x21fffefff] [ 0.000000][ T0] Zone ranges: [ 0.000000][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.000000][ T0] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.000000][ T0] Movable zone start for each node [ 0.000000][ T0] Early memory node ranges [ 0.000000][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.000000][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.000000][ T0] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.000000][ T0] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.000000][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.000000][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.000000][ T0] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 0.000000][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.000000][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.000000][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.000000][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.000000][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.000000][ T0] Using ACPI (MADT) for SMP configuration information [ 0.000000][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.000000][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.000000][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.000000][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.000000][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.000000][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.000000][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.000000][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.000000][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.000000][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.000000][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 0.000000][ T0] percpu: Embedded 168 pages/cpu s648072 r8192 d31864 u1048576 [ 0.000000][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1927557 [ 0.000000][ T0] Policy zone: Normal [ 0.000000][ 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 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 [ 0.000000][ T0] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000][ T0] Memory: 2166784K/7863916K available (225289K kernel code, 7271K rwdata, 12224K rodata, 3992K init, 10816K bss, 1333480K reserved, 0K cma-reserved) [ 0.000000][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 0.000000][ T0] Starting KernelMemorySanitizer [ 0.000000][ T0] rcu: Hierarchical RCU implementation. [ 0.000000][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 0.000000][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 0.000000][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 0.000000][ T0] random: get_random_bytes called from start_kernel+0x4cc/0xb57 with crng_init=0 [ 0.000000][ T0] Console: colour VGA+ 80x25 [ 0.000000][ T0] printk: console [ttyS0] enabled [ 0.000000][ T0] printk: console [ttyS0] enabled [ 0.000000][ T0] printk: bootconsole [earlyser0] disabled [ 0.000000][ T0] printk: bootconsole [earlyser0] disabled [ 0.000000][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 0.000000][ T0] ACPI: Core revision 20200326 [ 0.000000][ T0] APIC: Switch to symmetric I/O mode setup [ 0.000000][ T0] x2apic: IRQ remapping doesn't support X2APIC mode [ 0.000000][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 0.060000][ T0] tsc: PIT calibration matches PMTIMER. 1 loops [ 0.060000][ T0] tsc: Detected 2299.810 MHz processor [ 0.000036][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212681e5452, max_idle_ns: 440795304881 ns [ 0.003115][ T0] Calibrating delay loop (skipped), value calculated using timer frequency.. 4599.62 BogoMIPS (lpj=22998100) [ 0.006074][ T0] pid_max: default: 32768 minimum: 301 [ 0.013873][ T0] LSM: Security Framework initializing [ 0.015067][ T0] LSM: security= is ignored because it is superseded by lsm= [ 0.017452][ T0] Yama: becoming mindful. [ 0.018689][ T0] TOMOYO Linux initialized [ 0.020715][ T0] AppArmor: AppArmor initialized [ 0.051387][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 0.070297][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 0.073390][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 0.075778][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) Poking KASLR using RDRAND RDTSC... [ 0.086857][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 0.088447][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 0.090095][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.091982][ T0] Spectre V2 : Mitigation: Full generic retpoline [ 0.093154][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.095148][ T0] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.097102][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.099723][ T0] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.101774][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 0.103143][ T0] MDS: Mitigation: Clear CPU buffers [ 0.107724][ T0] Freeing SMP alternatives memory: 144K [ 0.232348][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 0.233104][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 0.233104][ T1] rcu: Hierarchical SRCU implementation. [ 0.233197][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 0.236203][ T1] smp: Bringing up secondary CPUs ... [ 0.240232][ T1] x86: Booting SMP configuration: [ 0.241664][ T1] .... node #0, CPUs: #1 [ 0.243268][ 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. [ 0.248504][ T1] smp: Brought up 2 nodes, 2 CPUs [ 0.249660][ T1] smpboot: Max logical packages: 1 [ 0.251090][ T1] smpboot: Total of 2 processors activated (9199.24 BogoMIPS) [ 0.257579][ T1] devtmpfs: initialized [ 0.279844][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.283589][ T1] futex hash table entries: 512 (order: 3, 32768 bytes, vmalloc) [ 0.279076][ T22] kworker/u4:0 (22) used greatest stack depth: 9464 bytes left [ 0.287515][ T1] xor: automatically using best checksumming function avx [ 0.295380][ T1] PM: RTC time: 09:03:38, date: 2020-05-10 [ 0.296915][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 0.296941][ T1] thermal_sys: Registered thermal governor 'user_space' [ 0.303516][ T1] NET: Registered protocol family 16 [ 0.315498][ T1] audit: initializing netlink subsys (disabled) [ 0.317575][ T32] audit: type=2000 audit(1589101418.370:1): state=initialized audit_enabled=0 res=1 [ 0.327820][ T1] cpuidle: using governor menu [ 0.332966][ T1] ACPI: bus type PCI registered [ 0.345593][ T1] dca service started, version 1.12.1 [ 0.347533][ T1] PCI: Using configuration type 1 for base access [ 2.002101][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.021693][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.021693][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.133488][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.443521][ T1] raid6: avx2x4 gen() 353 MB/s [ 2.613508][ T1] raid6: avx2x4 xor() 293 MB/s [ 2.783535][ T1] raid6: avx2x2 gen() 342 MB/s [ 2.953470][ T1] raid6: avx2x2 xor() 321 MB/s [ 3.133148][ T1] raid6: avx2x1 gen() 195 MB/s [ 3.293506][ T1] raid6: avx2x1 xor() 308 MB/s [ 3.473158][ T1] raid6: sse2x4 gen() 211 MB/s [ 3.633518][ T1] raid6: sse2x4 xor() 148 MB/s [ 3.803471][ T1] raid6: sse2x2 gen() 192 MB/s [ 3.973512][ T1] raid6: sse2x2 xor() 161 MB/s [ 4.153152][ T1] raid6: sse2x1 gen() 96 MB/s [ 4.313473][ T1] raid6: sse2x1 xor() 156 MB/s [ 4.323280][ T1] raid6: using algorithm avx2x4 gen() 353 MB/s [ 4.323280][ T1] raid6: .... xor() 293 MB/s, rmw enabled [ 4.323280][ T1] raid6: using avx2x2 recovery algorithm [ 4.324148][ T1] ACPI: Added _OSI(Module Device) [ 4.324148][ T1] ACPI: Added _OSI(Processor Device) [ 4.333594][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.334644][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 4.336112][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 4.337611][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 4.338734][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 4.453157][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.473176][ T1] ACPI: Interpreter enabled [ 4.473209][ T1] ACPI: (supports S0 S3 S4 S5) [ 4.483307][ T1] ACPI: Using IOAPIC for interrupt routing [ 4.483334][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 4.484103][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.663505][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.663505][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 4.663505][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 4.683376][ T1] PCI host bridge to bus 0000:00 [ 4.684161][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 4.684161][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.684161][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.693203][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.695514][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 4.697387][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.698658][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 4.703522][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 4.732151][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 4.751341][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.758610][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 4.767302][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 4.772850][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 4.793596][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 4.795251][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 4.804334][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfe000-0xfebfe07f] [ 4.824432][ T1] pci 0000:00:05.0: [1af4:1005] type 00 class 0x00ff00 [ 4.840879][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 4.847750][ T1] pci 0000:00:05.0: reg 0x14: [mem 0xfebff000-0xfebff03f] [ 4.893402][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 4.903338][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 4.913181][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 4.913181][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 4.924535][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.944786][ T1] iommu: Default domain type: Translated [ 4.947349][ T1] vgaarb: loaded [ 4.954304][ T1] SCSI subsystem initialized [ 4.958468][ T1] ACPI: bus type USB registered [ 4.961872][ T1] usbcore: registered new interface driver usbfs [ 4.964504][ T1] usbcore: registered new interface driver hub [ 4.967353][ T1] usbcore: registered new device driver usb [ 4.971030][ T1] mc: Linux media interface: v0.10 [ 4.973420][ T1] videodev: Linux video capture interface: v2.00 [ 4.976995][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.978017][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.980679][ T1] PTP clock support registered [ 5.011752][ T1] EDAC MC: Ver: 3.0.0 [ 5.018376][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 5.021059][ T1] PCI: Using ACPI for IRQ routing [ 5.028000][ T1] Bluetooth: Core ver 2.22 [ 5.029078][ T1] NET: Registered protocol family 31 [ 5.030396][ T1] Bluetooth: HCI device and connection manager initialized [ 5.032786][ T1] Bluetooth: HCI socket layer initialized [ 5.033905][ T1] Bluetooth: L2CAP socket layer initialized [ 5.035943][ T1] Bluetooth: SCO socket layer initialized [ 5.037756][ T1] NET: Registered protocol family 8 [ 5.038715][ T1] NET: Registered protocol family 20 [ 5.040484][ T1] NetLabel: Initializing [ 5.043157][ T1] NetLabel: domain hash size = 128 [ 5.044475][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 5.046534][ T1] NetLabel: unlabeled traffic allowed by default [ 5.056039][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.058561][ T1] NET: Registered protocol family 39 [ 5.070473][ T1] clocksource: Switched to clocksource tsc-early [ 11.791702][ T1] VFS: Disk quotas dquot_6.6.0 [ 11.793639][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 11.796011][ T1] FS-Cache: Loaded [ 11.798868][ T1] CacheFiles: Loaded [ 11.804669][ T1] AppArmor: AppArmor Filesystem Enabled [ 11.807075][ T1] pnp: PnP ACPI init [ 11.834825][ T1] pnp: PnP ACPI: found 7 devices [ 11.952385][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 11.963984][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 11.971315][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 11.978693][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 11.986594][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window] [ 11.996619][ T1] NET: Registered protocol family 2 [ 12.005828][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes, vmalloc) [ 12.022179][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 12.042608][ T1] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes, vmalloc) [ 12.061982][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 12.070903][ T1] UDP hash table entries: 4096 (order: 5, 131072 bytes, vmalloc) [ 12.081822][ T1] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes, vmalloc) [ 12.092732][ T1] NET: Registered protocol family 1 [ 12.101520][ T1] RPC: Registered named UNIX socket transport module. [ 12.109076][ T1] RPC: Registered udp transport module. [ 12.114719][ T1] RPC: Registered tcp transport module. [ 12.120385][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 12.132512][ T1] NET: Registered protocol family 44 [ 12.139066][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 12.146592][ T1] PCI: CLS 0 bytes, default 64 [ 12.152691][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 12.160111][ T1] software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] (64MB) [ 12.174402][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 12.188802][ T1] kvm: already loaded the other module [ 12.194772][ T1] mce: Machine check injector initialized [ 12.208057][ T1] check: Scanning for low memory corruption every 60 seconds [ 12.227060][ T1] Initialise system trusted keyrings [ 12.234985][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 12.343480][ T1] zbud: loaded [ 12.361871][ T1] DLM installed [ 12.378175][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 12.416265][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 12.428438][ T1] NFS: Registering the id_resolver key type [ 12.434487][ T1] Key type id_resolver registered [ 12.439981][ T1] Key type id_legacy registered [ 12.445012][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 12.452644][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 12.470031][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 12.481010][ T1] fuse: init (API version 7.31) [ 12.496371][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 12.547160][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 12.573636][ T1] 9p: Installing v9fs 9p2000 file system support [ 12.580796][ T1] FS-Cache: Netfs '9p' registered for caching [ 12.599319][ T1] gfs2: GFS2 installed [ 12.615928][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 12.622347][ T1] ceph: loaded (mds proto 32) [ 12.789586][ T1] NET: Registered protocol family 38 [ 12.795390][ T1] async_tx: api initialized (async) [ 12.800956][ T1] Key type asymmetric registered [ 12.806269][ T1] Asymmetric key parser 'x509' registered [ 12.812018][ T1] Asymmetric key parser 'pkcs8' registered [ 12.818019][ T1] Key type pkcs7_test registered [ 12.822989][ T1] Asymmetric key parser 'tpm_parser' registered [ 12.829561][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 244) [ 12.838856][ T1] io scheduler mq-deadline registered [ 12.844442][ T1] io scheduler kyber registered [ 12.852514][ T1] io scheduler bfq registered [ 12.863121][ T1] usbcore: registered new interface driver udlfb [ 12.870325][ T1] usbcore: registered new interface driver smscufx [ 12.880532][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 12.894509][ T1] ACPI: Power Button [PWRF] [ 12.900765][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 12.910240][ T1] ACPI: Sleep Button [SLPF] [ 12.924162][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 12.965667][ T1] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 12.972013][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 13.005910][ T1] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 13.012345][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 13.048708][ T1] PCI Interrupt Link [LNKA] enabled at IRQ 10 [ 13.055548][ T1] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver [ 13.213463][ T30] tsc: Refined TSC clocksource calibration: 2299.804 MHz [ 13.220846][ T30] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x21267c42e6c, max_idle_ns: 440795315891 ns [ 13.234920][ T30] clocksource: Switched to clocksource tsc [ 13.802195][ T1] N_HDLC line discipline registered with maxframe=4096 [ 13.809832][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 13.818110][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 13.835247][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 13.851543][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 13.870584][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 13.897902][ T1] Non-volatile memory driver v1.3 [ 13.905394][ T1] Linux agpgart interface v0.103 [ 13.930066][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 13.938881][ T1] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 13.950104][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 13.958067][ T1] usbcore: registered new interface driver udl [ 14.053956][ T1] brd: module loaded [ 14.099050][ T1] loop: module loaded [ 14.187351][ T1] zram: Added device: zram0 [ 14.197132][ T1] ===================================================== [ 14.204099][ T1] BUG: KMSAN: uninit-value in adfspart_check_ICS+0xb37/0xe40 [ 14.207056][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc4-syzkaller #0 [ 14.207056][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 14.207056][ T1] Call Trace: [ 14.207056][ T1] dump_stack+0x1c9/0x220 [ 14.207056][ T1] kmsan_report+0xf7/0x1e0 [ 14.207056][ T1] __msan_warning+0x58/0xa0 [ 14.207056][ T1] adfspart_check_ICS+0xb37/0xe40 [ 14.207056][ T1] ? kmsan_set_origin_checked+0x95/0xf0 [ 14.207056][ T1] ? kmsan_get_metadata+0x11d/0x180 [ 14.207056][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 14.207056][ T1] ? adfspart_check_ADFS+0x830/0x830 [ 14.207056][ T1] blk_add_partitions+0x8e3/0x2640 [ 14.207056][ T1] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 14.207056][ T1] ? disk_part_iter_exit+0x8b/0xe0 [ 14.207056][ T1] bdev_disk_changed+0x452/0xa30 [ 14.207056][ T1] __blkdev_get+0x1195/0x2280 [ 14.207056][ T1] blkdev_get+0x219/0x6b0 [ 14.207056][ T1] __device_add_disk+0x1612/0x20f0 [ 14.207056][ T1] device_add_disk+0x90/0xa0 [ 14.207056][ T1] null_add_dev+0x30c4/0x35f0 [ 14.207056][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 14.207056][ T1] null_init+0x6c0/0xd84 [ 14.207056][ T1] do_one_initcall+0x4c9/0x930 [ 14.207056][ T1] ? zram_init+0x34e/0x34e [ 14.207056][ T1] ? kmsan_get_metadata+0x11d/0x180 [ 14.207056][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 14.207056][ T1] ? zram_init+0x34e/0x34e [ 14.207056][ T1] do_initcall_level+0x332/0x3cd [ 14.207056][ T1] do_initcalls+0x15f/0x215 [ 14.207056][ T1] ? cpu_init_udelay+0xcf/0xcf [ 14.207056][ T1] do_basic_setup+0x33/0x36 [ 14.207056][ T1] kernel_init_freeable+0x244/0x3e3 [ 14.207056][ T1] ? rest_init+0x1f0/0x1f0 [ 14.207056][ T1] kernel_init+0x1f/0x6e0 [ 14.207056][ T1] ? rest_init+0x1f0/0x1f0 [ 14.207056][ T1] ret_from_fork+0x35/0x40 [ 14.207056][ T1] [ 14.207056][ T1] Uninit was created at: [ 14.207056][ T1] kmsan_save_stack_with_flags+0x3c/0x90 [ 14.207056][ T1] kmsan_alloc_page+0xb9/0x180 [ 14.207056][ T1] __alloc_pages_nodemask+0x56a2/0x5dc0 [ 14.207056][ T1] alloc_pages_current+0x2e5/0x990 [ 14.207056][ T1] __page_cache_alloc+0x95/0x310 [ 14.207056][ T1] do_read_cache_page+0x4e6/0x1560 [ 14.207056][ T1] read_cache_page+0xf3/0x110 [ 14.207056][ T1] read_part_sector+0x151/0x570 [ 14.207056][ T1] adfspart_check_ICS+0x9b/0xe40 [ 14.207056][ T1] blk_add_partitions+0x8e3/0x2640 [ 14.207056][ T1] bdev_disk_changed+0x452/0xa30 [ 14.207056][ T1] __blkdev_get+0x1195/0x2280 [ 14.207056][ T1] blkdev_get+0x219/0x6b0 [ 14.207056][ T1] __device_add_disk+0x1612/0x20f0 [ 14.207056][ T1] device_add_disk+0x90/0xa0 [ 14.207056][ T1] null_add_dev+0x30c4/0x35f0 [ 14.207056][ T1] null_init+0x6c0/0xd84 [ 14.207056][ T1] do_one_initcall+0x4c9/0x930 [ 14.207056][ T1] do_initcall_level+0x332/0x3cd [ 14.207056][ T1] do_initcalls+0x15f/0x215 [ 14.207056][ T1] do_basic_setup+0x33/0x36 [ 14.207056][ T1] kernel_init_freeable+0x244/0x3e3 [ 14.207056][ T1] kernel_init+0x1f/0x6e0 [ 14.207056][ T1] ret_from_fork+0x35/0x40 [ 14.207056][ T1] ===================================================== [ 14.207056][ T1] Disabling lock debugging due to kernel taint [ 14.207056][ T1] Kernel panic - not syncing: panic_on_warn set ... [ 14.207056][ T1] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G B 5.7.0-rc4-syzkaller #0 [ 14.207056][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 14.207056][ T1] Call Trace: [ 14.207056][ T1] dump_stack+0x1c9/0x220 [ 14.207056][ T1] panic+0x3d5/0xc3e [ 14.207056][ T1] kmsan_report+0x1df/0x1e0 [ 14.207056][ T1] __msan_warning+0x58/0xa0 [ 14.207056][ T1] adfspart_check_ICS+0xb37/0xe40 [ 14.207056][ T1] ? kmsan_set_origin_checked+0x95/0xf0 [ 14.207056][ T1] ? kmsan_get_metadata+0x11d/0x180 [ 14.207056][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 14.207056][ T1] ? adfspart_check_ADFS+0x830/0x830 [ 14.207056][ T1] blk_add_partitions+0x8e3/0x2640 [ 14.207056][ T1] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 14.207056][ T1] ? disk_part_iter_exit+0x8b/0xe0 [ 14.207056][ T1] bdev_disk_changed+0x452/0xa30 [ 14.207056][ T1] __blkdev_get+0x1195/0x2280 [ 14.207056][ T1] blkdev_get+0x219/0x6b0 [ 14.207056][ T1] __device_add_disk+0x1612/0x20f0 [ 14.207056][ T1] device_add_disk+0x90/0xa0 [ 14.207056][ T1] null_add_dev+0x30c4/0x35f0 [ 14.207056][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 14.207056][ T1] null_init+0x6c0/0xd84 [ 14.207056][ T1] do_one_initcall+0x4c9/0x930 [ 14.207056][ T1] ? zram_init+0x34e/0x34e [ 14.207056][ T1] ? kmsan_get_metadata+0x11d/0x180 [ 14.207056][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 14.207056][ T1] ? zram_init+0x34e/0x34e [ 14.207056][ T1] do_initcall_level+0x332/0x3cd [ 14.207056][ T1] do_initcalls+0x15f/0x215 [ 14.207056][ T1] ? cpu_init_udelay+0xcf/0xcf [ 14.207056][ T1] do_basic_setup+0x33/0x36 [ 14.207056][ T1] kernel_init_freeable+0x244/0x3e3 [ 14.207056][ T1] ? rest_init+0x1f0/0x1f0 [ 14.207056][ T1] kernel_init+0x1f/0x6e0 [ 14.207056][ T1] ? rest_init+0x1f0/0x1f0 [ 14.207056][ T1] ret_from_fork+0x35/0x40 [ 14.207056][ T1] Kernel Offset: 0x21e00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 14.207056][ T1] Rebooting in 86400 seconds..