[ 0.000000][ T0] Linux version 5.5.0-rc7-next-20200124-syzkaller (syzkaller@syzkaller) (gcc version 9.0.0 20181231 (experimental) (GCC)) #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 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] 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] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000007][ T0] kvm-clock: cpu 0, msr adfd001, primary cpu clock [ 0.000008][ T0] kvm-clock: using sched offset of 3903874487 cycles [ 0.001649][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.005691][ T0] tsc: Detected 2300.000 MHz processor [ 0.009839][ T0] last_pfn = 0x220000 max_arch_pfn = 0x400000000 [ 0.011145][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.012910][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.020265][ T0] found SMP MP-table at [mem 0x000f2470-0x000f247f] [ 0.022079][ T0] check: Scanning 1 areas for low memory corruption [ 0.023775][ T0] Using GB pages for direct mapping [ 0.028107][ T0] ACPI: Early table checksum verification disabled [ 0.029580][ T0] ACPI: RSDP 0x00000000000F21F0 000014 (v00 Google) [ 0.030891][ T0] ACPI: RSDT 0x00000000BFFFFFC0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.033148][ T0] ACPI: FACP 0x00000000BFFFF380 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.035037][ T0] ACPI: DSDT 0x00000000BFFFDAC0 0018BA (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.037625][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.038708][ T0] ACPI: FACS 0x00000000BFFFDA80 000040 [ 0.039499][ T0] ACPI: SRAT 0x00000000BFFFFEB0 0000C8 (v01 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.042441][ T0] ACPI: APIC 0x00000000BFFFFE00 000076 (v01 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.045105][ T0] ACPI: SSDT 0x00000000BFFFF480 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.047154][ T0] ACPI: WAET 0x00000000BFFFFE80 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.049940][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.051327][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.052300][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.054009][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.055222][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x21fffffff] [ 0.057473][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.059778][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x21fffffff] -> [mem 0x00000000-0x21fffffff] [ 0.064692][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000012fffffff] (4864MB) [ 0.066382][ T0] Faking node 1 at [mem 0x0000000130000000-0x000000021fffffff] (3840MB) [ 0.068499][ T0] NODE_DATA(0) allocated [mem 0x12fffb000-0x12fffffff] [ 0.070751][ T0] NODE_DATA(1) allocated [mem 0x21fff8000-0x21fffcfff] [ 0.145752][ T0] Zone ranges: [ 0.146522][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.148619][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.150349][ T0] Normal [mem 0x0000000100000000-0x000000021fffffff] [ 0.151748][ T0] Device empty [ 0.152601][ T0] Movable zone start for each node [ 0.153925][ T0] Early memory node ranges [ 0.155010][ T0] node 0: [mem 0x0000000000001000-0x000000000009eserialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-2 port 1 (session ID: afe8c45d6d70ebac8dccf9dab0de1395d3fef51e02d3a349c183ee3436c917da, active connections: 1). fff] [ 0.156439][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.159233][ T0] node 0: [mem 0x0000000100000000-0x000000012fffffff] [ 0.161746][ T0] node 1: [mem 0x0000000130000000-0x000000021fffffff] [ 0.162966][ T0] Zeroed struct page in unavailable ranges: 101 pages [ 0.162973][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000012fffffff] [ 0.232203][ T0] Initmem setup node 1 [mem 0x0000000130000000-0x000000021fffffff] [ 1.324903][ T0] kasan: KernelAddressSanitizer initialized [ 1.327147][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 1.328113][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 1.329594][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 1.331552][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 1.333707][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 1.335235][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 1.337002][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 1.339027][ T0] Using ACPI (MADT) for SMP configuration information [ 1.340766][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 1.342243][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 1.344229][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 1.347536][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 1.350157][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 1.351873][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 1.353661][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 1.355956][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 1.358583][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 1.360955][ T0] Booting paravirtualized kernel on KVM [ 1.362171][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.364820][ T0] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:2 nr_node_ids:2 [ 1.369325][ T0] percpu: Embedded 66 pages/cpu s232520 r8192 d29624 u1048576 [ 1.370809][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 1.372602][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1935238 [ 1.374287][ T0] Policy zone: Normal [ 1.375768][ 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 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 [ 1.392305][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 2.358579][ T0] Memory: 6479668K/7863916K available (116745K kernel code, 16893K rwdata, 21156K rodata, 2788K init, 24772K bss, 1384248K reserved, 0K cma-reserved) [ 2.365915][ T0] Running RCU self tests [ 2.367044][ T0] rcu: Preemptible hierarchical RCU implementation. [ 2.368401][ T0] rcu: RCU lockdep checking is enabled. [ 2.369495][ T0] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2. [ 2.371300][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 2.373227][ T0] Tasks RCU enabled. [ 2.373970][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 2.375577][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 2.384328][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 2.386305][ T0] random: get_random_bytes called from start_kernel+0x535/0x8c5 with crng_init=0 [ 2.391122][ T0] Console: colour VGA+ 80x25 [ 2.393558][ T0] printk: console [ttyS0] enabled [ 2.393558][ T0] printk: console [ttyS0] enabled [ 2.395657][ T0] printk: bootconsole [earlyser0] disabled [ 2.395657][ T0] printk: bootconsole [earlyser0] disabled [ 2.398265][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 2.399834][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 2.400663][ T0] ... MAX_LOCK_DEPTH: 48 [ 2.401678][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 2.402785][ T0] ... CLASSHASH_SIZE: 4096 [ 2.403776][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 2.404979][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 2.406465][ T0] ... CHAINHASH_SIZE: 32768 [ 2.407349][ T0] memory used by lock dependency info: 6237 kB [ 2.408628][ T0] memory used for stack traces: 4224 kB [ 2.409943][ T0] per task-struct memory footprint: 1920 bytes [ 2.412736][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 2.415566][ T0] ACPI: Core revision 20200110 [ 2.417858][ T0] APIC: Switch to symmetric I/O mode setup [ 2.419742][ T0] x2apic enabled [ 2.421869][ T0] Switched APIC routing to physical x2apic. [ 2.426924][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 2.428423][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 2.430651][ T0] Calibrating delay loop (skipped) preset value.. 4600.00 BogoMIPS (lpj=23000000) [ 2.432636][ T0] pid_max: default: 32768 minimum: 301 [ 2.434936][ T0] LSM: Security Framework initializing [ 2.436043][ T0] LSM: security= is ignored because it is superseded by lsm= [ 2.440724][ T0] Yama: becoming mindful. [ 2.441992][ T0] TOMOYO Linux initialized [ 2.443364][ T0] AppArmor: AppArmor initialized [ 2.456970][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 2.466407][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 2.468715][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.470502][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.471061][ T0] *** VALIDATE tmpfs *** [ 2.473549][ T0] *** VALIDATE proc *** [ 2.475706][ T0] *** VALIDATE cgroup1 *** [ 2.476437][ T0] *** VALIDATE cgroup2 *** [ 2.478546][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 1024 [ 2.480674][ T0] Last level dTLB entries: 4KB 1024, 2MB 1024, 4MB 1024, 1GB 4 [ 2.482311][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.484441][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 2.484480][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 2.488359][ T0] MDS: Mitigation: Clear CPU buffers [ 2.491603][ T0] Freeing SMP alternatives memory: 96K [ 2.616739][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 2.670754][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 2.690691][ T1] rcu: Hierarchical SRCU implementation. [ 2.710936][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.740689][ T1] smp: Bringing up secondary CPUs ... [ 2.823886][ T1] x86: Booting SMP configuration: [ 2.825113][ T1] .... node #0, CPUs: #1 [ 0.054497][ T0] kvm-clock: cpu 1, msr adfd041, secondary cpu clock [ 2.829998][ 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. [ 2.833838][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.835108][ T1] smpboot: Max logical packages: 1 [ 2.836187][ T1] smpboot: Total of 2 processors activated (9200.00 BogoMIPS) [ 2.839178][ T1] devtmpfs: initialized [ 2.841352][ T1] x86/mm: Memory block size: 128MB [ 2.864196][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.864196][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 2.870664][ T1] xor: automatically using best checksumming function avx [ 2.870664][ T1] PM: RTC time: 19:26:16, date: 2020-01-27 [ 2.870664][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.870664][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.881782][ T27] kworker/u4:0 (27) used greatest stack depth: 27560 bytes left [ 2.872929][ T1] NET: Registered protocol family 16 [ 2.884567][ T1] audit: initializing netlink subsys (disabled) [ 2.890786][ T28] audit: type=2000 audit(1580153176.564:1): state=initialized audit_enabled=0 res=1 [ 2.898636][ T1] cpuidle: using governor menu [ 2.903877][ T1] ACPI: bus type PCI registered [ 2.906467][ T1] dca service started, version 1.12.1 [ 2.908155][ T1] PCI: Using configuration type 1 for base access [ 2.949574][ T95] kworker/u4:0 (95) used greatest stack depth: 27464 bytes left [ 2.981544][ T209] kworker/u4:3 (209) used greatest stack depth: 26832 bytes left [ 3.269188][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 3.314635][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 3.317428][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 3.430916][ T1] cryptd: max_cpu_qlen set to 1000 [ 3.670684][ T1] raid6: avx2x4 gen() 9337 MB/s [ 3.840690][ T1] raid6: avx2x4 xor() 5064 MB/s [ 4.010666][ T1] raid6: avx2x2 gen() 6601 MB/s [ 4.180669][ T1] raid6: avx2x2 xor() 3159 MB/s [ 4.350669][ T1] raid6: avx2x1 gen() 4079 MB/s [ 4.520777][ T1] raid6: avx2x1 xor() 1607 MB/s [ 4.690667][ T1] raid6: sse2x4 gen() 5378 MB/s [ 4.860662][ T1] raid6: sse2x4 xor() 2761 MB/s [ 5.030668][ T1] raid6: sse2x2 gen() 3444 MB/s [ 5.200666][ T1] raid6: sse2x2 xor() 1519 MB/s [ 5.370677][ T1] raid6: sse2x1 gen() 2059 MB/s [ 5.540672][ T1] raid6: sse2x1 xor() 816 MB/s [ 5.542156][ T1] raid6: using algorithm avx2x4 gen() 9337 MB/s [ 5.543789][ T1] raid6: .... xor() 5064 MB/s, rmw enabled [ 5.544941][ T1] raid6: using avx2x2 recovery algorithm [ 5.547191][ T1] ACPI: Added _OSI(Module Device) [ 5.548407][ T1] ACPI: Added _OSI(Processor Device) [ 5.549670][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 5.550748][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 5.551901][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 5.552956][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 5.554208][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 5.595245][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 5.646836][ T1] ACPI: Interpreter enabled [ 5.650811][ T1] ACPI: (supports S0 S3 S4 S5) [ 5.651944][ T1] ACPI: Using IOAPIC for interrupt routing [ 5.653680][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 5.657845][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 5.738807][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 5.740723][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 5.742779][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 5.749697][ T1] PCI host bridge to bus 0000:00 [ 5.750661][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 5.752364][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 5.753564][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 5.754964][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 5.756442][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 5.758219][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 5.760199][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 5.767061][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 5.796640][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 5.817354][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 5.822851][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 5.830690][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 5.836718][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfebfd000-0xfebfd07f] [ 5.860709][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 5.869229][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 5.873602][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfebfe000-0xfebfe07f] [ 5.893595][ T1] pci 0000:00:05.0: [1af4:1005] type 00 class 0x00ff00 [ 5.902576][ T1] pci 0000:00:05.0: reg 0x10: [io 0xc080-0xc09f] [ 5.908361][ T1] pci 0000:00:05.0: reg 0x14: [mem 0xfebff000-0xfebff03f] [ 5.938266][ T1] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11) [ 5.942900][ T1] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11) [ 5.946748][ T1] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11) [ 5.951523][ T1] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11) [ 5.954463][ T1] ACPI: PCI Interrupt Link [LNKS] (IRQs *9) [ 5.970725][ T1] iommu: Default domain type: Translated [ 5.972099][ T1] vgaarb: loaded [ 5.976231][ T1] SCSI subsystem initialized [ 5.982731][ T1] ACPI: bus type USB registered [ 5.984723][ T1] usbcore: registered new interface driver usbfs [ 5.986913][ T1] usbcore: registered new interface driver hub [ 5.988575][ T1] usbcore: registered new device driver usb [ 5.991433][ T1] mc: Linux media interface: v0.10 [ 5.993616][ T1] videodev: Linux video capture interface: v2.00 [ 5.996348][ T1] pps_core: LinuxPPS API ver. 1 registered [ 5.998138][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 6.000958][ T1] PTP clock support registered [ 6.010937][ T1] EDAC MC: Ver: 3.0.0 [ 6.021803][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 6.023873][ T1] PCI: Using ACPI for IRQ routing [ 6.028636][ T1] Bluetooth: Core ver 2.22 [ 6.030950][ T1] NET: Registered protocol family 31 [ 6.032080][ T1] Bluetooth: HCI device and connection manager initialized [ 6.033766][ T1] Bluetooth: HCI socket layer initialized [ 6.034879][ T1] Bluetooth: L2CAP socket layer initialized [ 6.036074][ T1] Bluetooth: SCO socket layer initialized [ 6.037219][ T1] NET: Registered protocol family 8 [ 6.038043][ T1] NET: Registered protocol family 20 [ 6.039056][ T1] NetLabel: Initializing [ 6.040802][ T1] NetLabel: domain hash size = 128 [ 6.040802][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 6.040802][ T1] NetLabel: unlabeled traffic allowed by default [ 6.041045][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 6.041419][ T1] NET: Registered protocol family 39 [ 6.053449][ T1] clocksource: Switched to clocksource kvm-clock [ 8.789457][ T1] *** VALIDATE bpf *** [ 8.792682][ T1] VFS: Disk quotas dquot_6.6.0 [ 8.793865][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 8.796252][ T1] FS-Cache: Loaded [ 8.797183][ T1] *** VALIDATE ramfs *** [ 8.798053][ T1] *** VALIDATE hugetlbfs *** [ 8.800344][ T1] CacheFiles: Loaded [ 8.801668][ T1] TOMOYO: 2.6.0 [ 8.802343][ T1] Mandatory Access Control activated. [ 8.805783][ T1] AppArmor: AppArmor Filesystem Enabled [ 8.807522][ T1] pnp: PnP ACPI init [ 8.821389][ T1] pnp: PnP ACPI: found 7 devices [ 8.881132][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 8.883643][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 8.885023][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 8.886345][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 8.887975][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window] [ 8.890857][ T1] NET: Registered protocol family 2 [ 8.895042][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, vmalloc) [ 8.898373][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 8.911044][ T1] TCP bind hash table entries: 65536 (order: 10, 4194304 bytes, vmalloc) [ 8.916610][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 8.920172][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 8.924022][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 8.927133][ T1] NET: Registered protocol family 1 [ 8.930820][ T1] RPC: Registered named UNIX socket transport module. [ 8.932458][ T1] RPC: Registered udp transport module. [ 8.933634][ T1] RPC: Registered tcp transport module. [ 8.934719][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 8.938404][ T1] NET: Registered protocol family 44 [ 8.939577][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 8.940871][ T1] PCI: CLS 0 bytes, default 64 [ 8.945130][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 8.946338][ T1] software IO TLB: mapped [mem 0xaa800000-0xae800000] (64MB) [ 8.950492][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 8.954937][ T1] kvm: already loaded the other module [ 8.955951][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x212735223b2, max_idle_ns: 440795277976 ns [ 8.958031][ T1] clocksource: Switched to clocksource tsc [ 8.959688][ T1] mce: Machine check injector initialized [ 8.965679][ T1] check: Scanning for low memory corruption every 60 seconds [ 9.093013][ T1] Initialise system trusted keyrings [ 9.096113][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 9.097658][ T1] zbud: loaded [ 9.103436][ T1] DLM installed [ 9.106694][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 9.111053][ T1] FS-Cache: Netfs 'nfs' registered for caching [ 9.114296][ T1] *** VALIDATE nfs *** [ 9.115125][ T1] *** VALIDATE nfs *** [ 9.115847][ T1] NFS: Registering the id_resolver key type [ 9.117070][ T1] Key type id_resolver registered [ 9.118759][ T1] Key type id_legacy registered [ 9.119778][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 9.121730][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 9.128114][ T1] FS-Cache: Netfs 'cifs' registered for caching [ 9.130462][ T1] Key type cifs.spnego registered [ 9.131743][ T1] Key type cifs.idmap registered [ 9.132967][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 9.135193][ T1] fuse: init (API version 7.31) [ 9.136854][ T1] *** VALIDATE fuse *** [ 9.137768][ T1] *** VALIDATE fuse *** [ 9.141732][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 9.158088][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 9.163723][ T1] *** VALIDATE xfs *** [ 9.164914][ T1] 9p: Installing v9fs 9p2000 file system support [ 9.166059][ T1] FS-Cache: Netfs '9p' registered for caching [ 9.168548][ T1] ocfs2: Registered cluster interface o2cb [ 9.170273][ T1] ocfs2: Registered cluster interface user [ 9.172626][ T1] OCFS2 User DLM kernel interface loaded [ 9.181866][ T1] *** VALIDATE gfs2 *** [ 9.183682][ T1] gfs2: GFS2 installed [ 9.187334][ T1] FS-Cache: Netfs 'ceph' registered for caching [ 9.188402][ T1] ceph: loaded (mds proto 32) [ 9.197495][ T1] NET: Registered protocol family 38 [ 9.199902][ T1] async_tx: api initialized (async) [ 9.200872][ T1] Key type asymmetric registered [ 9.201731][ T1] Asymmetric key parser 'x509' registered [ 9.206096][ T1] Asymmetric key parser 'pkcs8' registered [ 9.207318][ T1] Key type pkcs7_test registered [ 9.208630][ T1] Asymmetric key parser 'tpm_parser' registered [ 9.210019][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 9.212854][ T1] io scheduler mq-deadline registered [ 9.214072][ T1] io scheduler kyber registered [ 9.215262][ T1] io scheduler bfq registered [ 9.220077][ T1] hgafb: HGA card not detected. [ 9.222227][ T1] hgafb: probe of hgafb.0 failed with error -22 [ 9.224354][ T1] usbcore: registered new interface driver udlfb [ 9.227079][ T1] uvesafb: failed to execute /sbin/v86d [ 9.228181][ T1] uvesafb: make sure that the v86d helper is installed and executable [ 9.229918][ T1] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2) [ 9.231600][ T1] uvesafb: vbe_init() failed with -22 [ 9.232849][ T1] uvesafb: probe of uvesafb.0 failed with error -22 [ 9.234728][ T1] vga16fb: mapped to 0x000000005c9dad32 [ 9.303502][ T1] Console: switching to colour frame buffer device 80x30 [ 9.627212][ T1] fb0: VGA16 VGA frame buffer device [ 9.630594][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 9.651445][ T1] ACPI: Power Button [PWRF] [ 9.653431][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 9.656173][ T1] ACPI: Sleep Button [SLPF] [ 9.682556][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00 [ 9.694555][ T1] PCI Interrupt Link [LNKC] enabled at IRQ 11 [ 9.696167][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 9.708822][ T1] PCI Interrupt Link [LNKD] enabled at IRQ 10 [ 9.710029][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 9.724280][ T1] PCI Interrupt Link [LNKA] enabled at IRQ 10 [ 9.726003][ T1] virtio-pci 0000:00:05.0: virtio_pci: leaving for legacy driver [ 9.987730][ T1] HDLC line discipline maxframe=4096 [ 9.989484][ T1] N_HDLC line discipline registered. [ 9.992758][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 9.995833][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 10.001422][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 10.007638][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 10.013041][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 10.019067][ T1] Cyclades driver 2.6 [ 10.021218][ T1] Initializing Nozomi driver 2.1d [ 10.024134][ T1] RocketPort device driver module, version 2.09, 12-June-2003 [ 10.025914][ T1] No rocketport ports found; unloading driver [ 10.029223][ T1] Non-volatile memory driver v1.3 [ 10.031409][ T1] Linux agpgart interface v0.103 [ 10.041027][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 10.043198][ T1] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 10.044763][ T1] [drm] Driver supports precise vblank timestamp query. [ 10.048299][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 10.050257][ T1] usbcore: registered new interface driver udl [ 10.095661][ T1] brd: module loaded [ 10.127410][ T1] loop: module loaded [ 10.297494][ T1] zram: Added device: zram0 [ 10.325350][ T1] null_blk: module loaded [ 10.333377][ T1] nfcsim 0.2 initialized [ 10.337015][ T1] Loading iSCSI transport class v2.0-870. [ 10.371494][ T1] scsi host0: Virtio SCSI HBA [ 10.411504][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 10.417603][ T806] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 10.474087][ T1] slram: not enough parameters. [ 10.486671][ T1] ftl_cs: FTL header not found. [ 10.634742][ C1] random: fast init done [ 10.643147][ T70] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB) [ 10.644281][ T806] sd 0:0:1:0: Attached scsi generic sg0 type 0 [ 10.645265][ T70] sd 0:0:1:0: [sda] 4096-byte physical blocks [ 10.649156][ T70] sd 0:0:1:0: [sda] Write Protect is off [ 10.651355][ T70] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 11.193991][ T1] Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011) [ 11.197231][ T70] sda: sda1 [ 11.204043][ T70] sd 0:0:1:0: [sda] Attached SCSI disk [ 11.225335][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 11.228022][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 11.231497][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 11.239693][ T1] MACsec IEEE 802.1AE [ 11.242846][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 11.279187][ T1] vcan: Virtual CAN interface driver [ 11.281096][ T1] vxcan: Virtual CAN Tunnel driver [ 11.282181][ T1] slcan: serial line CAN interface driver [ 11.283115][ T1] slcan: 10 dynamic interface channels. [ 11.284238][ T1] CAN device driver interface [ 11.285341][ T1] enic: Cisco VIC Ethernet NIC Driver, ver 2.3.0.53 [ 11.287169][ T1] e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI [ 11.288917][ T1] e100: Copyright(c) 1999-2006 Intel Corporation [ 11.290865][ T1] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI [ 11.296588][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation. [ 11.298179][ T1] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k [ 11.299758][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. [ 11.302497][ T1] mkiss: AX.25 Multikiss, Hans Albas PE1AYX [ 11.303780][ T1] AX.25: 6pack driver, Revision: 0.3.0 [ 11.305110][ T1] AX.25: bpqether driver version 004 [ 11.306271][ T1] PPP generic driver version 2.4.2 [ 11.308151][ T1] PPP BSD Compression module registered [ 11.309352][ T1] PPP Deflate Compression module registered [ 11.310434][ T1] PPP MPPE Compression module registered [ 11.314079][ T1] NET: Registered protocol family 24 [ 11.315142][ T1] PPTP driver version 0.8.5 [ 11.317093][ T1] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled). [ 11.319101][ T1] CSLIP: code copyright 1989 Regents of the University of California. [ 11.321025][ T1] SLIP linefill/keepalive option. [ 11.322848][ T1] hdlc: HDLC support module revision 1.22 [ 11.323909][ T1] x25_asy: X.25 async: version 0.00 ALPHA (dynamic channels, max=256) [ 11.325591][ T1] DLCI driver v0.35, 4 Jan 1997, mike.mclagan@linux.org. [ 11.326872][ T1] LAPB Ethernet driver version 0.02 [ 11.328033][ T1] usbcore: registered new interface driver rndis_wlan [ 11.329883][ T1] mac80211_hwsim: initializing netlink [ 11.348593][ T1] fakelb driver is marked as deprecated, please use mac802154_hwsim! [ 11.356415][ T1] ieee802154fakelb ieee802154fakelb: added 2 fake ieee802154 hardware devices [ 11.365948][ T1] mac802154_hwsim mac802154_hwsim: Added 2 mac802154 hwsim hardware radios [ 11.368279][ T1] VMware vmxnet3 virtual NIC driver - version 1.4.17.0-k-NAPI [ 11.370065][ T1] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 11.372622][ T1] usbcore: registered new interface driver pegasus [ 11.374696][ T1] usbcore: registered new interface driver rtl8150 [ 11.376453][ T1] usbcore: registered new interface driver r8152 [ 11.377900][ T1] usbcore: registered new interface driver asix [ 11.379794][ T1] usbcore: registered new interface driver ax88179_178a [ 11.381709][ T1] usbcore: registered new interface driver cdc_ether [ 11.383115][ T1] usbcore: registered new interface driver dm9601 [ 11.384578][ T1] usbcore: registered new interface driver smsc75xx [ 11.387717][ T1] usbcore: registered new interface driver smsc95xx [ 11.389522][ T1] usbcore: registered new interface driver net1080 [ 11.391518][ T1] usbcore: registered new interface driver rndis_host [ 11.393982][ T1] usbcore: registered new interface driver cdc_subset [ 11.395847][ T1] usbcore: registered new interface driver zaurus [ 11.397656][ T1] usbcore: registered new interface driver MOSCHIP usb-ethernet driver [ 11.400002][ T1] usbcore: registered new interface driver cdc_ncm [ 11.401931][ T1] usbcore: registered new interface driver cdc_mbim [ 11.427703][ T1] VFIO - User Level meta-driver version: 0.3 [ 11.435190][ T1] aoe: AoE v85 initialised. [ 11.438724][ T1] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 11.440268][ T1] ehci-pci: EHCI PCI platform driver [ 11.442350][ T1] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 11.443856][ T1] ohci-pci: OHCI PCI platform driver [ 11.445259][ T1] uhci_hcd: USB Universal Host Controller Interface driver [ 11.447992][ T1] usbcore: registered new interface driver cdc_acm [ 11.450120][ T1] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 11.452337][ T1] usbcore: registered new interface driver usblp [ 11.453794][ T1] usbcore: registered new interface driver cdc_wdm [ 11.455313][ T1] usbcore: registered new interface driver uas [ 11.456719][ T1] usbcore: registered new interface driver usb-storage [ 11.458780][ T1] usbcore: registered new interface driver ums-realtek [ 11.461102][ T1] usbcore: registered new interface driver usbserial_generic [ 11.463742][ T1] usbserial: USB Serial support registered for generic [ 11.465533][ T1] usbcore: registered new interface driver ch341 [ 11.467308][ T1] usbserial: USB Serial support registered for ch341-uart [ 11.469213][ T1] usbcore: registered new interface driver cp210x [ 11.471903][ T1] usbserial: USB Serial support registered for cp210x [ 11.473573][ T1] usbcore: registered new interface driver ftdi_sio [ 11.475342][ T1] usbserial: USB Serial support registered for FTDI USB Serial Device [ 11.477085][ T1] usbcore: registered new interface driver keyspan [ 11.478483][ T1] usbserial: USB Serial support registered for Keyspan - (without firmware) [ 11.480901][ T1] usbserial: USB Serial support registered for Keyspan 1 port adapter [ 11.482915][ T1] usbserial: USB Serial support registered for Keyspan 2 port adapter [ 11.484965][ T1] usbserial: USB Serial support registered for Keyspan 4 port adapter [ 11.487773][ T1] usbcore: registered new interface driver option [ 11.489318][ T1] usbserial: USB Serial support registered for GSM modem (1-port) [ 11.491542][ T1] usbcore: registered new interface driver oti6858 [ 11.493058][ T1] usbserial: USB Serial support registered for oti6858 [ 11.494751][ T1] usbcore: registered new interface driver pl2303 [ 11.496524][ T1] usbserial: USB Serial support registered for pl2303 [ 11.498593][ T1] usbcore: registered new interface driver qcserial [ 11.500005][ T1] usbserial: USB Serial support registered for Qualcomm USB modem [ 11.501698][ T1] usbcore: registered new interface driver sierra [ 11.503163][ T1] usbserial: USB Serial support registered for Sierra USB modem [ 11.504607][ T1] usbcore: registered new interface driver usb_serial_simple [ 11.506642][ T1] usbserial: USB Serial support registered for carelink [ 11.508257][ T1] usbserial: USB Serial support registered for zio [ 11.509768][ T1] usbserial: USB Serial support registered for funsoft [ 11.511393][ T1] usbserial: USB Serial support registered for flashloader [ 11.512838][ T1] usbserial: USB Serial support registered for google [ 11.514237][ T1] usbserial: USB Serial support registered for libtransistor [ 11.515759][ T1] usbserial: USB Serial support registered for vivopay [ 11.517708][ T1] usbserial: USB Serial support registered for moto_modem [ 11.519390][ T1] usbserial: USB Serial support registered for motorola_tetra [ 11.521167][ T1] usbserial: USB Serial support registered for novatel_gps [ 11.522808][ T1] usbserial: USB Serial support registered for hp4x [ 11.524626][ T1] usbserial: USB Serial support registered for suunto [ 11.526848][ T1] usbserial: USB Serial support registered for siemens_mpi [ 11.530593][ T1] dummy_hcd dummy_hcd.0: USB Host+Gadget Emulator, driver 02 May 2005 [ 11.534056][ T1] dummy_hcd dummy_hcd.0: Dummy host controller [ 11.536731][ T1] dummy_hcd dummy_hcd.0: new USB bus registered, assigned bus number 1 [ 11.539140][ T1] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.05 [ 11.540770][ T1] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.542573][ T1] usb usb1: Product: Dummy host controller [ 11.543930][ T1] usb usb1: Manufacturer: Linux 5.5.0-rc7-next-20200124-syzkaller dummy_hcd [ 11.545835][ T1] usb usb1: SerialNumber: dummy_hcd.0 [ 11.549751][ T1] hub 1-0:1.0: USB hub found [ 11.551534][ T1] hub 1-0:1.0: 1 port detected [ 11.554560][ T1] ================================================================== [ 11.556441][ T1] BUG: KASAN: slab-out-of-bounds in post_usb_notification+0xe5/0x170 [ 11.558113][ T1] Read of size 21 at addr ffff88809e59fc40 by task swapper/0/1 [ 11.559523][ T1] [ 11.560014][ T1] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.5.0-rc7-next-20200124-syzkaller #0 [ 11.561095][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 11.561095][ T1] Call Trace: [ 11.561095][ T1] dump_stack+0x197/0x210 [ 11.561095][ T1] ? post_usb_notification+0xe5/0x170 [ 11.561095][ T1] print_address_description.constprop.0.cold+0xd4/0x30b [ 11.561095][ T1] ? post_usb_notification+0xe5/0x170 [ 11.561095][ T1] ? post_usb_notification+0xe5/0x170 [ 11.561095][ T1] __kasan_report.cold+0x1b/0x32 [ 11.561095][ T1] ? post_usb_notification+0xe5/0x170 [ 11.561095][ T1] kasan_report+0x12/0x20 [ 11.561095][ T1] check_memory_region+0x134/0x1a0 [ 11.561095][ T1] memcpy+0x24/0x50 [ 11.561095][ T1] post_usb_notification+0xe5/0x170 [ 11.561095][ T1] ? get_urb32+0x3d0/0x3d0 [ 11.561095][ T1] ? lock_acquire+0x190/0x410 [ 11.561095][ T1] ? blocking_notifier_call_chain+0x7d/0xb0 [ 11.561095][ T1] usbdev_notify+0x2c0/0x4a0 [ 11.561095][ T1] ? __kasan_check_write+0x14/0x20 [ 11.561095][ T1] ? down_read+0x109/0x440 [ 11.561095][ T1] ? usb_set_configuration+0xe85/0x16b0 [ 11.561095][ T1] notifier_call_chain+0xc2/0x230 [ 11.561095][ T1] blocking_notifier_call_chain+0x94/0xb0 [ 11.561095][ T1] usb_notify_add_device+0x22/0x30 [ 11.561095][ T1] generic_probe+0x8c/0xde [ 11.561095][ T1] usb_probe_device+0xa0/0xf0 [ 11.561095][ T1] ? usb_suspend+0x660/0x660 [ 11.561095][ T1] really_probe+0x291/0x700 [ 11.561095][ T1] driver_probe_device+0x110/0x220 [ 11.561095][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 11.561095][ T1] __device_attach_driver+0x1c9/0x230 [ 11.561095][ T1] bus_for_each_drv+0x172/0x1f0 [ 11.561095][ T1] ? driver_allows_async_probing+0x180/0x180 [ 11.561095][ T1] ? bus_rescan_devices+0x30/0x30 [ 11.561095][ T1] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 11.561095][ T1] __device_attach+0x237/0x390 [ 11.561095][ T1] ? device_bind_driver+0xd0/0xd0 [ 11.561095][ T1] ? __kasan_check_write+0x14/0x20 [ 11.561095][ T1] device_initial_probe+0x1b/0x20 [ 11.561095][ T1] bus_probe_device+0x1f1/0x2a0 [ 11.561095][ T1] device_add+0x14fe/0x1d00 [ 11.561095][ T1] ? usb_match_device+0xdb/0x560 [ 11.561095][ T1] ? uevent_show+0x370/0x370 [ 11.561095][ T1] usb_new_device.cold+0x74c/0x1063 [ 11.561095][ T1] ? kfree+0x226/0x2c0 [ 11.561095][ T1] ? hub_disconnect+0x450/0x450 [ 11.561095][ T1] ? usb_get_device_descriptor+0xba/0xf0 [ 11.561095][ T1] usb_add_hcd.cold+0x10f8/0x1496 [ 11.561095][ T1] dummy_hcd_probe+0x1ae/0x32c [ 11.561095][ T1] ? platform_drv_remove+0xa0/0xa0 [ 11.561095][ T1] ? dummy_enable.cold+0x4b/0x4b [ 11.561095][ T1] platform_drv_probe+0x8d/0x140 [ 11.561095][ T1] ? platform_drv_remove+0xa0/0xa0 [ 11.561095][ T1] really_probe+0x291/0x700 [ 11.561095][ T1] driver_probe_device+0x110/0x220 [ 11.561095][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 11.561095][ T1] __device_attach_driver+0x1c9/0x230 [ 11.561095][ T1] bus_for_each_drv+0x172/0x1f0 [ 11.561095][ T1] ? driver_allows_async_probing+0x180/0x180 [ 11.561095][ T1] ? bus_rescan_devices+0x30/0x30 [ 11.561095][ T1] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 11.561095][ T1] __device_attach+0x237/0x390 [ 11.561095][ T1] ? device_bind_driver+0xd0/0xd0 [ 11.561095][ T1] ? __kasan_check_write+0x14/0x20 [ 11.561095][ T1] device_initial_probe+0x1b/0x20 [ 11.561095][ T1] bus_probe_device+0x1f1/0x2a0 [ 11.561095][ T1] device_add+0x14fe/0x1d00 [ 11.561095][ T1] ? dev_set_name+0xbb/0xf0 [ 11.561095][ T1] ? uevent_show+0x370/0x370 [ 11.561095][ T1] platform_device_add+0x34e/0x6c0 [ 11.561095][ T1] ? driver_register+0x1df/0x330 [ 11.561095][ T1] ? kfree+0x28b/0x2c0 [ 11.561095][ T1] init+0x534/0xab8 [ 11.561095][ T1] ? usb_udc_init+0x9c/0x9c [ 11.561095][ T1] ? lock_downgrade+0x920/0x920 [ 11.561095][ T1] ? lock_downgrade+0x920/0x920 [ 11.561095][ T1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 11.561095][ T1] ? debug_smp_processor_id+0x33/0x18a [ 11.561095][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 11.561095][ T1] ? usb_udc_init+0x9c/0x9c [ 11.561095][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 11.561095][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 11.561095][ T1] ? configfs_register_subsystem+0x208/0x390 [ 11.561095][ T1] ? usb_udc_init+0x9c/0x9c [ 11.561095][ T1] do_one_initcall+0x120/0x820 [ 11.561095][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 11.561095][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 11.561095][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 11.561095][ T1] ? __kmalloc+0x608/0x770 [ 11.561095][ T1] ? __kasan_check_read+0x11/0x20 [ 11.561095][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 11.561095][ T1] kernel_init_freeable+0x522/0x5d0 [ 11.561095][ T1] ? rest_init+0x371/0x371 [ 11.561095][ T1] kernel_init+0x12/0x1bf [ 11.561095][ T1] ret_from_fork+0x24/0x30 [ 11.561095][ T1] [ 11.561095][ T1] Allocated by task 1: [ 11.561095][ T1] save_stack+0x23/0x90 [ 11.561095][ T1] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 11.561095][ T1] kasan_kmalloc+0x9/0x10 [ 11.561095][ T1] __kmalloc_track_caller+0x15f/0x760 [ 11.561095][ T1] kvasprintf+0xc8/0x170 [ 11.561095][ T1] kvasprintf_const+0x65/0x190 [ 11.561095][ T1] kobject_set_name_vargs+0x5b/0x150 [ 11.561095][ T1] dev_set_name+0xbb/0xf0 [ 11.561095][ T1] usb_alloc_dev+0xcc4/0xf86 [ 11.561095][ T1] usb_add_hcd.cold+0x3c1/0x1496 [ 11.561095][ T1] dummy_hcd_probe+0x1ae/0x32c [ 11.561095][ T1] platform_drv_probe+0x8d/0x140 [ 11.561095][ T1] really_probe+0x291/0x700 [ 11.561095][ T1] driver_probe_device+0x110/0x220 [ 11.561095][ T1] __device_attach_driver+0x1c9/0x230 [ 11.561095][ T1] bus_for_each_drv+0x172/0x1f0 [ 11.561095][ T1] __device_attach+0x237/0x390 [ 11.561095][ T1] device_initial_probe+0x1b/0x20 [ 11.561095][ T1] bus_probe_device+0x1f1/0x2a0 [ 11.561095][ T1] device_add+0x14fe/0x1d00 [ 11.561095][ T1] platform_device_add+0x34e/0x6c0 [ 11.561095][ T1] init+0x534/0xab8 [ 11.561095][ T1] do_one_initcall+0x120/0x820 [ 11.561095][ T1] kernel_init_freeable+0x522/0x5d0 [ 11.561095][ T1] kernel_init+0x12/0x1bf [ 11.561095][ T1] ret_from_fork+0x24/0x30 [ 11.561095][ T1] [ 11.561095][ T1] Freed by task 0: [ 11.561095][ T1] (stack is not available) [ 11.561095][ T1] [ 11.561095][ T1] The buggy address belongs to the object at ffff88809e59fc40 [ 11.561095][ T1] which belongs to the cache kmalloc-32 of size 32 [ 11.561095][ T1] The buggy address is located 0 bytes inside of [ 11.561095][ T1] 32-byte region [ffff88809e59fc40, ffff88809e59fc60) [ 11.561095][ T1] The buggy address belongs to the page: [ 11.561095][ T1] page:ffffea00027967c0 refcount:1 mapcount:0 mapping:ffff8880aa4001c0 index:0xffff88809e59ffc1 [ 11.561095][ T1] flags: 0xfffe0000000200(slab) [ 11.561095][ T1] raw: 00fffe0000000200 ffff8880aa401238 ffff8880aa401238 ffff8880aa4001c0 [ 11.561095][ T1] raw: ffff88809e59ffc1 ffff88809e59f000 000000010000003c 0000000000000000 [ 11.561095][ T1] page dumped because: kasan: bad access detected [ 11.561095][ T1] [ 11.561095][ T1] Memory state around the buggy address: [ 11.561095][ T1] ffff88809e59fb00: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc [ 11.561095][ T1] ffff88809e59fb80: 00 00 00 01 fc fc fc fc fb fb fb fb fc fc fc fc [ 11.561095][ T1] >ffff88809e59fc00: fb fb fb fb fc fc fc fc 05 fc fc fc fc fc fc fc [ 11.561095][ T1] ^ [ 11.561095][ T1] ffff88809e59fc80: 00 fc fc fc fc fc fc fc 00 fc fc fc fc fc fc fc [ 11.561095][ T1] ffff88809e59fd00: 00 04 fc fc fc fc fc fc 00 04 fc fc fc fc fc fc [ 11.561095][ T1] ================================================================== [ 11.561095][ T1] Disabling lock debugging due to kernel taint [ 12.202719][ T1] Kernel panic - not syncing: panic_on_warn set ... [ 12.209341][ T1] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G B 5.5.0-rc7-next-20200124-syzkaller #0 [ 12.212562][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 12.212562][ T1] Call Trace: [ 12.212562][ T1] dump_stack+0x197/0x210 [ 12.212562][ T1] panic+0x2e3/0x75c [ 12.212562][ T1] ? add_taint.cold+0x16/0x16 [ 12.212562][ T1] ? post_usb_notification+0xe5/0x170 [ 12.212562][ T1] ? preempt_schedule+0x4b/0x60 [ 12.212562][ T1] ? ___preempt_schedule+0x16/0x18 [ 12.212562][ T1] ? trace_hardirqs_on+0x5e/0x240 [ 12.212562][ T1] ? post_usb_notification+0xe5/0x170 [ 12.212562][ T1] end_report+0x47/0x4f [ 12.212562][ T1] ? post_usb_notification+0xe5/0x170 [ 12.212562][ T1] __kasan_report.cold+0xe/0x32 [ 12.212562][ T1] ? post_usb_notification+0xe5/0x170 [ 12.212562][ T1] kasan_report+0x12/0x20 [ 12.212562][ T1] check_memory_region+0x134/0x1a0 [ 12.212562][ T1] memcpy+0x24/0x50 [ 12.212562][ T1] post_usb_notification+0xe5/0x170 [ 12.212562][ T1] ? get_urb32+0x3d0/0x3d0 [ 12.212562][ T1] ? lock_acquire+0x190/0x410 [ 12.212562][ T1] ? blocking_notifier_call_chain+0x7d/0xb0 [ 12.212562][ T1] usbdev_notify+0x2c0/0x4a0 [ 12.212562][ T1] ? __kasan_check_write+0x14/0x20 [ 12.212562][ T1] ? down_read+0x109/0x440 [ 12.212562][ T1] ? usb_set_configuration+0xe85/0x16b0 [ 12.212562][ T1] notifier_call_chain+0xc2/0x230 [ 12.212562][ T1] blocking_notifier_call_chain+0x94/0xb0 [ 12.212562][ T1] usb_notify_add_device+0x22/0x30 [ 12.212562][ T1] generic_probe+0x8c/0xde [ 12.212562][ T1] usb_probe_device+0xa0/0xf0 [ 12.212562][ T1] ? usb_suspend+0x660/0x660 [ 12.212562][ T1] really_probe+0x291/0x700 [ 12.212562][ T1] driver_probe_device+0x110/0x220 [ 12.212562][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 12.212562][ T1] __device_attach_driver+0x1c9/0x230 [ 12.212562][ T1] bus_for_each_drv+0x172/0x1f0 [ 12.212562][ T1] ? driver_allows_async_probing+0x180/0x180 [ 12.212562][ T1] ? bus_rescan_devices+0x30/0x30 [ 12.212562][ T1] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 12.212562][ T1] __device_attach+0x237/0x390 [ 12.212562][ T1] ? device_bind_driver+0xd0/0xd0 [ 12.212562][ T1] ? __kasan_check_write+0x14/0x20 [ 12.212562][ T1] device_initial_probe+0x1b/0x20 [ 12.212562][ T1] bus_probe_device+0x1f1/0x2a0 [ 12.212562][ T1] device_add+0x14fe/0x1d00 [ 12.212562][ T1] ? usb_match_device+0xdb/0x560 [ 12.212562][ T1] ? uevent_show+0x370/0x370 [ 12.212562][ T1] usb_new_device.cold+0x74c/0x1063 [ 12.212562][ T1] ? kfree+0x226/0x2c0 [ 12.212562][ T1] ? hub_disconnect+0x450/0x450 [ 12.212562][ T1] ? usb_get_device_descriptor+0xba/0xf0 [ 12.212562][ T1] usb_add_hcd.cold+0x10f8/0x1496 [ 12.212562][ T1] dummy_hcd_probe+0x1ae/0x32c [ 12.212562][ T1] ? platform_drv_remove+0xa0/0xa0 [ 12.212562][ T1] ? dummy_enable.cold+0x4b/0x4b [ 12.212562][ T1] platform_drv_probe+0x8d/0x140 [ 12.212562][ T1] ? platform_drv_remove+0xa0/0xa0 [ 12.212562][ T1] really_probe+0x291/0x700 [ 12.212562][ T1] driver_probe_device+0x110/0x220 [ 12.212562][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 12.212562][ T1] __device_attach_driver+0x1c9/0x230 [ 12.212562][ T1] bus_for_each_drv+0x172/0x1f0 [ 12.212562][ T1] ? driver_allows_async_probing+0x180/0x180 [ 12.212562][ T1] ? bus_rescan_devices+0x30/0x30 [ 12.212562][ T1] ? _raw_spin_unlock_irqrestore+0x9f/0xe0 [ 12.212562][ T1] __device_attach+0x237/0x390 [ 12.212562][ T1] ? device_bind_driver+0xd0/0xd0 [ 12.212562][ T1] ? __kasan_check_write+0x14/0x20 [ 12.212562][ T1] device_initial_probe+0x1b/0x20 [ 12.212562][ T1] bus_probe_device+0x1f1/0x2a0 [ 12.212562][ T1] device_add+0x14fe/0x1d00 [ 12.212562][ T1] ? dev_set_name+0xbb/0xf0 [ 12.212562][ T1] ? uevent_show+0x370/0x370 [ 12.212562][ T1] platform_device_add+0x34e/0x6c0 [ 12.212562][ T1] ? driver_register+0x1df/0x330 [ 12.212562][ T1] ? kfree+0x28b/0x2c0 [ 12.212562][ T1] init+0x534/0xab8 [ 12.212562][ T1] ? usb_udc_init+0x9c/0x9c [ 12.212562][ T1] ? lock_downgrade+0x920/0x920 [ 12.212562][ T1] ? lock_downgrade+0x920/0x920 [ 12.212562][ T1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 12.212562][ T1] ? debug_smp_processor_id+0x33/0x18a [ 12.212562][ T1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 12.212562][ T1] ? usb_udc_init+0x9c/0x9c [ 12.212562][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 12.212562][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 12.212562][ T1] ? configfs_register_subsystem+0x208/0x390 [ 12.212562][ T1] ? usb_udc_init+0x9c/0x9c [ 12.212562][ T1] do_one_initcall+0x120/0x820 [ 12.212562][ T1] ? perf_trace_initcall_level+0x420/0x420 [ 12.212562][ T1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 12.212562][ T1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 12.212562][ T1] ? __kmalloc+0x608/0x770 [ 12.212562][ T1] ? __kasan_check_read+0x11/0x20 [ 12.212562][ T1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 12.212562][ T1] kernel_init_freeable+0x522/0x5d0 [ 12.212562][ T1] ? rest_init+0x371/0x371 [ 12.212562][ T1] kernel_init+0x12/0x1bf [ 12.212562][ T1] ret_from_fork+0x24/0x30 [ 12.212562][ T1] Kernel Offset: disabled [ 12.212562][ T1] Rebooting in 86400 seconds..