[ 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 0x21fff9000-0x21fffcfff] [ 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, 1333504K 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 2299.750 MHz processor [ 0.000036][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212649048f3, max_idle_ns: 440795306102 ns [ 0.001710][ T0] Calibrating delay loop (skipped), value calculated using timer frequency.. 4599.50 BogoMIPS (lpj=22997500) [ 0.003491][ T0] pid_max: default: 32768 minimum: 301 [ 0.005490][ T0] LSM: Security Framework initializing [ 0.006541][ T0] LSM: security= is ignored because it is superseded by lsm= [ 0.007904][ T0] Yama: becoming mindful. [ 0.012141][ T0] TOMOYO Linux initialized [ 0.013707][ T0] AppArmor: AppArmor initialized [ 0.045466][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 0.062235][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 0.064481][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 0.066139][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) Poking KASLR using RDRAND RDTSC... [ 0.075993][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 0.077103][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 0.078231][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.079754][ T0] Spectre V2 : Mitigation: Full generic retpoline [ 0.080717][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.081738][ T0] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 0.083193][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.084569][ T0] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 0.086150][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 0.087605][ T0] MDS: Mitigation: Clear CPU buffers [ 0.092372][ T0] Freeing SMP alternatives memory: 144K [ 0.214712][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 0.219366][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 0.221531][ T1] rcu: Hierarchical SRCU implementation. [ 0.221699][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 0.223007][ T1] smp: Bringing up secondary CPUs ... [ 0.226616][ T1] x86: Booting SMP configuration: [ 0.227486][ T1] .... node #0, CPUs: #1 [ 0.228491][ 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. [ 0.231777][ T1] smp: Brought up 2 nodes, 2 CPUs [ 0.232728][ T1] smpboot: Max logical packages: 1 [ 0.233611][ T1] smpboot: Total of 2 processors activated (9199.00 BogoMIPS) [ 0.242112][ T1] devtmpfs: initialized [ 0.261842][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.265442][ T1] futex hash table entries: 512 (order: 3, 32768 bytes, vmalloc) [ 0.259181][ T22] kworker/u4:0 (22) used greatest stack depth: 9464 bytes left [ 0.268233][ T1] xor: automatically using best checksumming function avx [ 0.273764][ T1] PM: RTC time: 10:13:33, date: 2020-05-10 [ 0.275013][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 0.275038][ T1] thermal_sys: Registered thermal governor 'user_space' [ 0.283549][ T1] NET: Registered protocol family 16 [ 0.294278][ T1] audit: initializing netlink subsys (disabled) [ 0.295660][ T32] audit: type=2000 audit(1589105612.350:1): state=initialized audit_enabled=0 res=1 [ 0.301950][ T1] cpuidle: using governor menu [ 0.315344][ T1] ACPI: bus type PCI registered [ 0.321820][ T1] dca service started, version 1.12.1 [ 0.321820][ T1] PCI: Using configuration type 1 for base access [ 1.972963][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 1.985005][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 1.987437][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.082757][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.394964][ T1] raid6: avx2x4 gen() 363 MB/s [ 2.564970][ T1] raid6: avx2x4 xor() 298 MB/s [ 2.734984][ T1] raid6: avx2x2 gen() 356 MB/s [ 2.904986][ T1] raid6: avx2x2 xor() 326 MB/s [ 3.074977][ T1] raid6: avx2x1 gen() 260 MB/s [ 3.244968][ T1] raid6: avx2x1 xor() 309 MB/s [ 3.415015][ T1] raid6: sse2x4 gen() 215 MB/s [ 3.591745][ T1] raid6: sse2x4 xor() 149 MB/s [ 3.755142][ T1] raid6: sse2x2 gen() 200 MB/s [ 3.931746][ T1] raid6: sse2x2 xor() 162 MB/s [ 4.094971][ T1] raid6: sse2x1 gen() 99 MB/s [ 4.271757][ T1] raid6: sse2x1 xor() 157 MB/s [ 4.271757][ T1] raid6: using algorithm avx2x4 gen() 363 MB/s [ 4.271757][ T1] raid6: .... xor() 298 MB/s, rmw enabled [ 4.271757][ T1] raid6: using avx2x2 recovery algorithm [ 4.272715][ T1] ACPI: Added _OSI(Module Device) [ 4.272715][ T1] ACPI: Added _OSI(Processor Device) [ 4.274749][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 4.275916][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 4.276132][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 4.281878][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 4.281878][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 4.391762][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 4.421936][ T1] ACPI: Interpreter enabled [ 4.421936][ T1] ACPI: (supports S0 S3 S4 S5) [ 4.421936][ T1] ACPI: Using IOAPIC for interrupt routing [ 4.422181][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 4.431764][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 4.601897][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 4.601897][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 4.611920][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 4.621932][ T1] PCI host bridge to bus 0000:00 [ 4.623798][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 4.631755][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 4.631755][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 4.631755][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 4.631778][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 4.641970][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 4.641970][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 4.651784][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 4.672721][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 4.693514][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 4.702699][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 4.714030][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 4.717400][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 4.742723][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 4.753529][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 4.754720][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfe000-0xfebfe07f] [ 4.782720][ T1] pci 0000:00:05.0: [1af4:1005] type 00 class 0x00ff00 [ 4.793115][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 4.794687][ T1] pci 0000:00:05.0: reg 0x14: [mem 0xfebff000-0xfebff03f] [ 4.851970][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 4.853773][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 4.861873][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 4.871759][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 4.872254][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 4.898705][ T1] iommu: Default domain type: Translated [ 4.900677][ T1] vgaarb: loaded [ 4.906776][ T1] SCSI subsystem initialized [ 4.914172][ T1] ACPI: bus type USB registered [ 4.916410][ T1] usbcore: registered new interface driver usbfs [ 4.918240][ T1] usbcore: registered new interface driver hub [ 4.920272][ T1] usbcore: registered new device driver usb [ 4.924091][ T1] mc: Linux media interface: v0.10 [ 4.925771][ T1] videodev: Linux video capture interface: v2.00 [ 4.928453][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.930454][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.932530][ T1] PTP clock support registered [ 4.953610][ T1] EDAC MC: Ver: 3.0.0 [ 4.971500][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 4.973700][ T1] PCI: Using ACPI for IRQ routing [ 4.975382][ T1] Bluetooth: Core ver 2.22 [ 4.982334][ T1] NET: Registered protocol family 31 [ 4.983832][ T1] Bluetooth: HCI device and connection manager initialized [ 4.983832][ T1] Bluetooth: HCI socket layer initialized [ 4.983832][ T1] Bluetooth: L2CAP socket layer initialized [ 4.983832][ T1] Bluetooth: SCO socket layer initialized [ 4.983832][ T1] NET: Registered protocol family 8 [ 4.991879][ T1] NET: Registered protocol family 20 [ 4.991900][ T1] NetLabel: Initializing [ 4.992501][ T1] NetLabel: domain hash size = 128 [ 4.992501][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.992501][ T1] NetLabel: unlabeled traffic allowed by default [ 5.004571][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 5.006901][ T1] NET: Registered protocol family 39 [ 5.020822][ T1] clocksource: Switched to clocksource tsc-early [ 11.733977][ T1] VFS: Disk quotas dquot_6.6.0 [ 11.735433][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 11.737520][ T1] FS-Cache: Loaded [ 11.739584][ T1] CacheFiles: Loaded [ 11.743403][ T1] AppArmor: AppArmor Filesystem Enabled [ 11.744931][ T1] pnp: PnP ACPI init [ 11.773794][ T1] pnp: PnP ACPI: found 7 devices [ 11.893760][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 11.907149][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 11.914473][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 11.921640][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 11.929555][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window] [ 11.940258][ T1] NET: Registered protocol family 2 [ 11.949589][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 4, 65536 bytes, vmalloc) [ 11.963853][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 11.984348][ T1] TCP bind hash table entries: 65536 (order: 8, 1048576 bytes, vmalloc) [ 12.003555][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 12.012378][ T1] UDP hash table entries: 4096 (order: 5, 131072 bytes, vmalloc) [ 12.022948][ T1] UDP-Lite hash table entries: 4096 (order: 5, 131072 bytes, vmalloc) [ 12.033817][ T1] NET: Registered protocol family 1 [ 12.042737][ T1] RPC: Registered named UNIX socket transport module. [ 12.049591][ T1] RPC: Registered udp transport module. [ 12.055653][ T1] RPC: Registered tcp transport module. [ 12.061243][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 12.073590][ T1] NET: Registered protocol family 44 [ 12.079068][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 12.086594][ T1] PCI: CLS 0 bytes, default 64 [ 12.092755][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 12.100199][ T1] software IO TLB: mapped [mem 0xbbffd000-0xbfffd000] (64MB) [ 12.115028][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 12.128964][ T1] kvm: already loaded the other module [ 12.135289][ T1] mce: Machine check injector initialized [ 12.148141][ T1] check: Scanning for low memory corruption every 60 seconds [ 12.167607][ T1] Initialise system trusted keyrings [ 12.176152][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 12.286604][ T1] zbud: loaded [ 12.300916][ T1] DLM installed [ 12.321257][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 12.364389][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 12.377300][ T1] NFS: Registering the id_resolver key type [ 12.383923][ T1] Key type id_resolver registered [ 12.388994][ T1] Key type id_legacy registered [ 12.394309][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 12.402149][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 12.420615][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 12.429662][ T1] fuse: init (API version 7.31) [ 12.441855][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 12.491924][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 12.517344][ T1] 9p: Installing v9fs 9p2000 file system support [ 12.524777][ T1] FS-Cache: Netfs '9p' registered for caching [ 12.543192][ T1] gfs2: GFS2 installed [ 12.559360][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 12.566460][ T1] ceph: loaded (mds proto 32) [ 12.740320][ T1] NET: Registered protocol family 38 [ 12.745922][ T1] async_tx: api initialized (async) [ 12.751616][ T1] Key type asymmetric registered [ 12.757692][ T1] Asymmetric key parser 'x509' registered [ 12.763579][ T1] Asymmetric key parser 'pkcs8' registered [ 12.769915][ T1] Key type pkcs7_test registered [ 12.775123][ T1] Asymmetric key parser 'tpm_parser' registered [ 12.781837][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 244) [ 12.793047][ T1] io scheduler mq-deadline registered [ 12.798804][ T1] io scheduler kyber registered [ 12.804798][ T1] io scheduler bfq registered [ 12.815457][ T1] usbcore: registered new interface driver udlfb [ 12.822731][ T1] usbcore: registered new interface driver smscufx [ 12.833570][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 12.847163][ T1] ACPI: Power Button [PWRF] [ 12.853769][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 12.863692][ T1] ACPI: Sleep Button [SLPF] [ 12.878535][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 12.918398][ T1] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 12.925511][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 12.962680][ T1] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 12.969202][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 13.010917][ T1] PCI Interrupt Link [LNKA] enabled at IRQ 10 [ 13.018420][ T1] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver [ 13.213829][ T12] tsc: Refined TSC clocksource calibration: 2299.789 MHz [ 13.221411][ T12] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x21266dc5fcf, max_idle_ns: 440795227814 ns [ 13.236448][ T12] clocksource: Switched to clocksource tsc [ 13.808529][ T1] N_HDLC line discipline registered with maxframe=4096 [ 13.816443][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 13.825146][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 13.845117][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 13.862393][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 13.880866][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 13.909954][ T1] Non-volatile memory driver v1.3 [ 13.916811][ T1] Linux agpgart interface v0.103 [ 13.943009][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 13.953382][ T1] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 13.969425][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 13.977455][ T1] usbcore: registered new interface driver udl [ 14.079376][ T1] brd: module loaded [ 14.125637][ T1] loop: module loaded [ 14.219970][ T1] zram: Added device: zram0 [ 14.230811][ T1] ===================================================== [ 14.240735][ T1] BUG: KMSAN: uninit-value in adfspart_check_ICS+0xb37/0xe40 [ 14.240735][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.7.0-rc4-syzkaller #0 [ 14.240735][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 14.240735][ T1] Call Trace: [ 14.240735][ T1] dump_stack+0x1c9/0x220 [ 14.240735][ T1] kmsan_report+0xf7/0x1e0 [ 14.240735][ T1] __msan_warning+0x58/0xa0 [ 14.240735][ T1] adfspart_check_ICS+0xb37/0xe40 [ 14.240735][ T1] ? kmsan_set_origin_checked+0x95/0xf0 [ 14.240735][ T1] ? kmsan_get_metadata+0x11d/0x180 [ 14.240735][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 14.240735][ T1] ? adfspart_check_ADFS+0x830/0x830 [ 14.240735][ T1] blk_add_partitions+0x8e3/0x2640 [ 14.240735][ T1] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 14.240735][ T1] ? disk_part_iter_exit+0x8b/0xe0 [ 14.240735][ T1] bdev_disk_changed+0x452/0xa30 [ 14.240735][ T1] __blkdev_get+0x1195/0x2280 [ 14.240735][ T1] blkdev_get+0x219/0x6b0 [ 14.240735][ T1] __device_add_disk+0x1612/0x20f0 [ 14.240735][ T1] device_add_disk+0x90/0xa0 [ 14.240735][ T1] null_add_dev+0x30c4/0x35f0 [ 14.240735][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 14.240735][ T1] null_init+0x6c0/0xd84 [ 14.240735][ T1] do_one_initcall+0x4c9/0x930 [ 14.240735][ T1] ? zram_init+0x34e/0x34e [ 14.240735][ T1] ? kmsan_get_metadata+0x11d/0x180 [ 14.240735][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 14.240735][ T1] ? zram_init+0x34e/0x34e [ 14.240735][ T1] do_initcall_level+0x332/0x3cd [ 14.240735][ T1] do_initcalls+0x15f/0x215 [ 14.240735][ T1] ? cpu_init_udelay+0xcf/0xcf [ 14.240735][ T1] do_basic_setup+0x33/0x36 [ 14.240735][ T1] kernel_init_freeable+0x244/0x3e3 [ 14.240735][ T1] ? rest_init+0x1f0/0x1f0 [ 14.240735][ T1] kernel_init+0x1f/0x6e0 [ 14.240735][ T1] ? rest_init+0x1f0/0x1f0 [ 14.240735][ T1] ret_from_fork+0x35/0x40 [ 14.240735][ T1] [ 14.240735][ T1] Uninit was created at: [ 14.240735][ T1] kmsan_save_stack_with_flags+0x3c/0x90 [ 14.240735][ T1] kmsan_alloc_page+0xb9/0x180 [ 14.240735][ T1] __alloc_pages_nodemask+0x56a2/0x5dc0 [ 14.240735][ T1] alloc_pages_current+0x2e5/0x990 [ 14.240735][ T1] __page_cache_alloc+0x95/0x310 [ 14.240735][ T1] do_read_cache_page+0x4e6/0x1560 [ 14.240735][ T1] read_cache_page+0xf3/0x110 [ 14.240735][ T1] read_part_sector+0x151/0x570 [ 14.240735][ T1] adfspart_check_ICS+0x9b/0xe40 [ 14.240735][ T1] blk_add_partitions+0x8e3/0x2640 [ 14.240735][ T1] bdev_disk_changed+0x452/0xa30 [ 14.240735][ T1] __blkdev_get+0x1195/0x2280 [ 14.240735][ T1] blkdev_get+0x219/0x6b0 [ 14.240735][ T1] __device_add_disk+0x1612/0x20f0 [ 14.240735][ T1] device_add_disk+0x90/0xa0 [ 14.240735][ T1] null_add_dev+0x30c4/0x35f0 [ 14.240735][ T1] null_init+0x6c0/0xd84 [ 14.240735][ T1] do_one_initcall+0x4c9/0x930 [ 14.240735][ T1] do_initcall_level+0x332/0x3cd [ 14.240735][ T1] do_initcalls+0x15f/0x215 [ 14.240735][ T1] do_basic_setup+0x33/0x36 [ 14.240735][ T1] kernel_init_freeable+0x244/0x3e3 [ 14.240735][ T1] kernel_init+0x1f/0x6e0 [ 14.240735][ T1] ret_from_fork+0x35/0x40 [ 14.240735][ T1] ===================================================== [ 14.240735][ T1] Disabling lock debugging due to kernel taint [ 14.240735][ T1] Kernel panic - not syncing: panic_on_warn set ... [ 14.240735][ T1] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G B 5.7.0-rc4-syzkaller #0 [ 14.240735][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 14.240735][ T1] Call Trace: [ 14.240735][ T1] dump_stack+0x1c9/0x220 [ 14.240735][ T1] panic+0x3d5/0xc3e [ 14.240735][ T1] kmsan_report+0x1df/0x1e0 [ 14.240735][ T1] __msan_warning+0x58/0xa0 [ 14.240735][ T1] adfspart_check_ICS+0xb37/0xe40 [ 14.240735][ T1] ? kmsan_set_origin_checked+0x95/0xf0 [ 14.240735][ T1] ? kmsan_get_metadata+0x11d/0x180 [ 14.240735][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 14.240735][ T1] ? adfspart_check_ADFS+0x830/0x830 [ 14.240735][ T1] blk_add_partitions+0x8e3/0x2640 [ 14.240735][ T1] ? __msan_metadata_ptr_for_store_8+0x13/0x20 [ 14.240735][ T1] ? disk_part_iter_exit+0x8b/0xe0 [ 14.240735][ T1] bdev_disk_changed+0x452/0xa30 [ 14.240735][ T1] __blkdev_get+0x1195/0x2280 [ 14.240735][ T1] blkdev_get+0x219/0x6b0 [ 14.240735][ T1] __device_add_disk+0x1612/0x20f0 [ 14.240735][ T1] device_add_disk+0x90/0xa0 [ 14.240735][ T1] null_add_dev+0x30c4/0x35f0 [ 14.240735][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 14.240735][ T1] null_init+0x6c0/0xd84 [ 14.240735][ T1] do_one_initcall+0x4c9/0x930 [ 14.240735][ T1] ? zram_init+0x34e/0x34e [ 14.240735][ T1] ? kmsan_get_metadata+0x11d/0x180 [ 14.240735][ T1] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 14.240735][ T1] ? zram_init+0x34e/0x34e [ 14.240735][ T1] do_initcall_level+0x332/0x3cd [ 14.240735][ T1] do_initcalls+0x15f/0x215 [ 14.240735][ T1] ? cpu_init_udelay+0xcf/0xcf [ 14.240735][ T1] do_basic_setup+0x33/0x36 [ 14.240735][ T1] kernel_init_freeable+0x244/0x3e3 [ 14.240735][ T1] ? rest_init+0x1f0/0x1f0 [ 14.240735][ T1] kernel_init+0x1f/0x6e0 [ 14.240735][ T1] ? rest_init+0x1f0/0x1f0 [ 14.240735][ T1] ret_from_fork+0x35/0x40 [ 14.240735][ T1] Kernel Offset: 0x1da00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 14.240735][ T1] Rebooting in 86400 seconds..