failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.10.27" "pwd"]: exit status 255 ssh: connect to host 10.128.10.27 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci2-upstream-usb-test-0 port 1 (session ID: de1c82eeeda0012a5f7866a17df5430d41aec8aa935aceb0151252d00cc1c3b6, active connections: 1). SeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000200000000 = 8192 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID bb89deee-1d52-d315-0161-22a9c4984160 found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f2700: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... [ 0.000000][ T0] Linux version 5.19.0-rc1-syzkaller-00039-g0dde9a46a2cf (syzkaller@syzkaller) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 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] signal: max sigframe size: 1776 [ 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 0x0000000100000000-0x000000023fffffff] usable [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** This system shows unhashed kernel memory addresses ** [ 0.000000][ T0] ** via the console, logs, and other interfaces. This ** [ 0.000000][ T0] ** might reduce the security of your system. ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** If you see this message and you are not debugging ** [ 0.000000][ T0] ** the kernel, report this immediately to your system ** [ 0.000000][ T0] ** administrator! ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] Malformed early option 'numa' [ 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 [ 0.000008][ T0] kvm-clock: using sched offset of 2875767585 cycles [ 0.000950][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003860][ T0] tsc: Detected 2200.210 MHz processor [ 0.008974][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.010169][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.011706][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.018930][ T0] found SMP MP-table at [mem 0x000f29c0-0x000f29cf] [ 0.020490][ T0] Using GB pages for direct mapping [ 0.023053][ T0] ACPI: Early table checksum verification disabled [ 0.024007][ T0] ACPI: RSDP 0x00000000000F2740 000014 (v00 Google) [ 0.025085][ T0] ACPI: RSDT 0x00000000BFFFFF90 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.027398][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.029001][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.030691][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.031528][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.032345][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.033776][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.035550][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.036986][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.038497][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.039756][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.041262][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.042445][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.043811][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.045386][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.046947][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.048491][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.050277][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.051064][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.052001][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.052999][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.054217][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.055239][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.057129][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.058917][ T0] NODE_DATA(0) allocated [mem 0x23fffa000-0x23fffdfff] [ 0.097988][ T0] Zone ranges: [ 0.098533][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.099524][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.100624][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.101790][ T0] Movable zone start for each node [ 0.102853][ T0] Early memory node ranges [ 0.103559][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.104791][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.105870][ T0] node 0: [mem 0x0000000100000000-0x000000023fffffff] [ 0.106912][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff] [ 0.108187][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.108327][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.171450][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.486127][ T0] kasan: KernelAddressSanitizer initialized [ 0.488716][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.489523][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.490755][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.492351][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.493667][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.494964][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.496318][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.497360][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.499031][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.499913][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.501081][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.502177][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.503368][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.504615][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.505776][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.506958][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.508135][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.509033][ T0] Booting paravirtualized kernel on KVM [ 0.509807][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.550713][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1 [ 0.552747][ T0] percpu: Embedded 67 pages/cpu s233632 r8192 d32608 u1048576 [ 0.553902][ T0] kvm-guest: PV spinlocks enabled [ 0.554631][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.555903][ T0] Fallback order for Node 0: 0 [ 0.557088][ T0] Built 1 zonelists, mobility grouping on. Total pages: 2064125 [ 0.558695][ T0] Policy zone: Normal [ 0.559359][ T0] Kernel command line: earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb 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 binder.debug_mask=0 rcupdate.rcu_expedited=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4 secretmem.enable=1 sysctl.max_rcu_stall_to_panic=1 msr.allow_writes=off root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid 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 dummy_hcd.num=8 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.576617][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.581341][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.584225][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.585862][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.587314][ T0] Stack Depot early init allocating hash table with memblock_alloc, 8388608 bytes [ 1.500216][ T0] Memory: 6921704K/8388204K available (83983K kernel code, 22385K rwdata, 18964K rodata, 2200K init, 32464K bss, 1466244K reserved, 0K cma-reserved) [ 1.503797][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 1.511580][ T0] Dynamic Preempt: voluntary [ 1.513181][ T0] Running RCU self tests [ 1.513931][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.515076][ T0] rcu: RCU lockdep checking is enabled. [ 1.516074][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.517094][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.518602][ T0] rcu: RCU debug extended QS entry/exit. [ 1.519763][ T0] All grace periods are expedited (rcu_expedited). [ 1.520699][ T0] Trampoline variant of Tasks RCU enabled. [ 1.521845][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.523238][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.543158][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.544677][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.545848][ T0] random: crng init done [ 1.547671][ T0] Console: colour VGA+ 80x25 [ 1.548472][ T0] printk: console [ttyS0] enabled [ 1.548472][ T0] printk: console [ttyS0] enabled [ 1.550202][ T0] printk: bootconsole [earlyser0] disabled [ 1.550202][ T0] printk: bootconsole [earlyser0] disabled [ 1.552220][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.553973][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.555192][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.556054][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.556799][ T0] ... CLASSHASH_SIZE: 4096 [ 1.557768][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 1.558694][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 1.560261][ T0] ... CHAINHASH_SIZE: 131072 [ 1.561047][ T0] memory used by lock dependency info: 20657 kB [ 1.562584][ T0] memory used for stack traces: 8320 kB [ 1.563535][ T0] per task-struct memory footprint: 1920 bytes [ 1.564657][ T0] ACPI: Core revision 20220331 [ 1.566225][ T0] APIC: Switch to symmetric I/O mode setup [ 1.572619][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.574393][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6f965d9b, max_idle_ns: 440795282877 ns [ 1.576129][ T0] Calibrating delay loop (skipped) preset value.. 4400.42 BogoMIPS (lpj=22002100) [ 1.586149][ T0] pid_max: default: 32768 minimum: 301 [ 1.587362][ T0] LSM: Security Framework initializing [ 1.588729][ T0] landlock: Up and running. [ 1.589637][ T0] Yama: becoming mindful. [ 1.590554][ T0] TOMOYO Linux initialized [ 1.591625][ T0] AppArmor: AppArmor initialized [ 1.593645][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 1.596141][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 1.600994][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.602460][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 1.603506][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.606176][ T0] Spectre V2 : Kernel not compiled with retpoline; no mitigation available! [ 1.606185][ T0] Spectre V2 : Vulnerable [ 1.608437][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.610307][ T0] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 1.612493][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.614032][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.615086][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.616127][ T0] TAA: Mitigation: Clear CPU buffers [ 1.616961][ T0] MDS: Mitigation: Clear CPU buffers [ 1.619397][ T0] Freeing SMP alternatives memory: 60K [ 1.741708][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 1.745012][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 1.746100][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.746100][ T1] Running RCU-tasks wait API self tests [ 1.746100][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 1.746709][ T1] rcu: Hierarchical SRCU implementation. [ 1.746863][ T14] printk: console [ttyS0] printing thread started [ 1.751938][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.752494][ T1] smp: Bringing up secondary CPUs ... [ 1.753667][ T1] x86: Booting SMP configuration: [ 1.753671][ T1] .... node #0, CPUs: #1 [ 1.754780][ 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. [ 1.754780][ T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details. [ 1.754780][ T1] smp: Brought up 1 node, 2 CPUs [ 1.754780][ T1] smpboot: Max logical packages: 1 [ 1.754780][ T1] smpboot: Total of 2 processors activated (8800.84 BogoMIPS) [ 1.812589][ T1] allocated 134217728 bytes of page_ext [ 1.812873][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.818592][ T1] Node 0, zone DMA32: page owner found early allocated 15 pages [ 1.845256][ T1] Node 0, zone Normal: page owner found early allocated 33976 pages [ 1.845939][ T1] devtmpfs: initialized [ 1.866223][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.866269][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, linear) [ 1.868789][ T1] PM: RTC time: 05:26:24, date: 2022-06-12 [ 1.869927][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 1.876795][ T1] audit: initializing netlink subsys (disabled) [ 1.879095][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 1.879109][ T1] thermal_sys: Registered thermal governor 'user_space' [ 1.879419][ T26] audit: type=2000 audit(1655011584.591:1): state=initialized audit_enabled=0 res=1 [ 1.879476][ T1] cpuidle: using governor menu [ 1.892849][ T1] PCI: Using configuration type 1 for base access [ 1.966264][ T11] Callback from call_rcu_tasks() invoked. [ 2.036134][ T1] HugeTLB: can optimize 7 vmemmap pages for hugepages-2048kB [ 2.036134][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.046102][ T1] ACPI: Added _OSI(Module Device) [ 2.046102][ T1] ACPI: Added _OSI(Processor Device) [ 2.046102][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.046102][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.046102][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 2.046102][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 2.046102][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 2.151496][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.659441][ T1] ACPI: Interpreter enabled [ 3.659441][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.659441][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.659441][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.659441][ T1] PCI: Using E820 reservations for host bridge windows [ 3.661348][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.748231][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.748282][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.748297][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 3.748621][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.753753][ T1] PCI host bridge to bus 0000:00 [ 3.753767][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.753786][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.753802][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.753818][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 3.753836][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.754163][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 3.757948][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 3.783521][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 3.809026][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.811882][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 3.822793][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 3.830411][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 3.858153][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 3.869819][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 3.876152][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 3.898963][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 3.910611][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 3.940775][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 3.943531][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 3.956123][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 3.964298][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f] [ 3.988609][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 3.999772][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 4.006154][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f] [ 4.040383][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 4.044213][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 4.048237][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 4.052748][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 4.056121][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 4.064264][ T1] iommu: Default domain type: Translated [ 4.064264][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 4.064264][ T1] SCSI subsystem initialized [ 4.067644][ T1] ACPI: bus type USB registered [ 4.068193][ T1] usbcore: registered new interface driver usbfs [ 4.068453][ T1] usbcore: registered new interface driver hub [ 4.068624][ T1] usbcore: registered new device driver usb [ 4.070594][ T1] mc: Linux media interface: v0.10 [ 4.070773][ T1] videodev: Linux video capture interface: v2.00 [ 4.071435][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.071443][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.071529][ T1] PTP clock support registered [ 4.072386][ T1] EDAC MC: Ver: 3.0.0 [ 4.074933][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 4.074933][ T1] Bluetooth: Core ver 2.22 [ 4.074933][ T1] NET: Registered PF_BLUETOOTH protocol family [ 4.074933][ T1] Bluetooth: HCI device and connection manager initialized [ 4.074933][ T1] Bluetooth: HCI socket layer initialized [ 4.074933][ T1] Bluetooth: L2CAP socket layer initialized [ 4.074933][ T1] NET: Registered PF_ATMPVC protocol family [ 4.074933][ T1] NET: Registered PF_ATMSVC protocol family [ 4.074933][ T1] NetLabel: Initializing [ 4.074933][ T1] NetLabel: domain hash size = 128 [ 4.074933][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.074933][ T1] NetLabel: unlabeled traffic allowed by default [ 4.074933][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 4.074933][ T1] NET: Registered PF_NFC protocol family [ 4.074933][ T1] PCI: Using ACPI for IRQ routing [ 4.074933][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 4.074933][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 4.074933][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 4.074933][ T1] vgaarb: loaded [ 4.086104][ T1] clocksource: Switched to clocksource kvm-clock [ 4.088949][ T1] VFS: Disk quotas dquot_6.6.0 [ 4.088949][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.088949][ T1] TOMOYO: 2.6.0 [ 4.088949][ T1] Mandatory Access Control activated. [ 4.094085][ T1] AppArmor: AppArmor Filesystem Enabled [ 4.094706][ T1] pnp: PnP ACPI init [ 4.112251][ T1] pnp: PnP ACPI: found 7 devices [ 4.150357][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.151089][ T1] NET: Registered PF_INET protocol family [ 4.152206][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 4.162575][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, linear) [ 4.163302][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 4.169252][ T1] TCP bind bhash tables hash table entries: 65536 (order: 10, 5242880 bytes, vmalloc hugepage) [ 4.174521][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 4.176464][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 4.178447][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 4.180084][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 4.197149][ T1] RPC: Registered named UNIX socket transport module. [ 4.197162][ T1] RPC: Registered udp transport module. [ 4.197171][ T1] RPC: Registered tcp transport module. [ 4.197179][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.199718][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 4.199747][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 4.199769][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 4.199793][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 4.200942][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.201274][ T1] PCI: CLS 0 bytes, default 64 [ 4.201458][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.201464][ T1] software IO TLB: mapped [mem 0x00000000bbffd000-0x00000000bfffd000] (64MB) [ 4.219902][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 4.219985][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6f965d9b, max_idle_ns: 440795282877 ns [ 4.221813][ T1] clocksource: Switched to clocksource tsc [ 4.231874][ T43] kworker/u4:2 (43) used greatest stack depth: 27752 bytes left [ 4.246916][ T44] kworker/u4:2 (44) used greatest stack depth: 27704 bytes left [ 4.251074][ T55] kworker/u4:1 (55) used greatest stack depth: 27304 bytes left [ 4.492100][ T1] Initialise system trusted keyrings [ 4.493702][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 4.542704][ T1] NFS: Registering the id_resolver key type [ 4.542756][ T1] Key type id_resolver registered [ 4.542762][ T1] Key type id_legacy registered [ 4.543457][ T1] 9p: Installing v9fs 9p2000 file system support [ 4.555834][ T1] Key type asymmetric registered [ 4.555886][ T1] Asymmetric key parser 'x509' registered [ 4.556471][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) [ 4.556806][ T1] io scheduler mq-deadline registered [ 4.556815][ T1] io scheduler kyber registered [ 4.578668][ T1] usbcore: registered new interface driver udlfb [ 4.579208][ T1] usbcore: registered new interface driver smscufx [ 4.581998][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 4.582617][ T88] kworker/u4:2 (88) used greatest stack depth: 26880 bytes left [ 4.584892][ T1] ACPI: button: Power Button [PWRF] [ 4.586502][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 4.587908][ T1] ACPI: button: Sleep Button [SLPF] [ 4.614981][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 4.615079][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 4.633520][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 4.633619][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 4.654998][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 4.655095][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 4.669998][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 4.678033][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.678879][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 4.680664][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 4.682106][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 4.683582][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 4.699046][ T1] Non-volatile memory driver v1.3 [ 286.206797][ T27] INFO: task swapper/0:1 blocked for more than 143 seconds. [ 286.208128][ T27] Not tainted 5.19.0-rc1-syzkaller-00039-g0dde9a46a2cf #0 [ 286.209162][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.210334][ T27] task:swapper/0 state:D stack:23264 pid: 1 ppid: 0 flags:0x00004000 [ 286.211684][ T27] Call Trace: [ 286.212163][ T27] [ 286.212595][ T27] __schedule+0x93c/0x25e0 [ 286.213346][ T27] ? io_schedule_timeout+0x140/0x140 [ 286.214122][ T27] schedule+0xd2/0x1f0 [ 286.214715][ T27] schedule_preempt_disabled+0xf/0x20 [ 286.215799][ T27] __mutex_lock+0xa70/0x1350 [ 286.216796][ T27] ? add_early_randomness+0x1a/0x170 [ 286.218164][ T27] ? mutex_lock_io_nested+0x1190/0x1190 [ 286.219148][ T27] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 286.220249][ T27] ? hwrng_init+0x29e/0x350 [ 286.221108][ T27] ? hwrng_manage_rngd+0x160/0x160 [ 286.221998][ T27] add_early_randomness+0x1a/0x170 [ 286.222876][ T27] hwrng_register+0x399/0x510 [ 286.223736][ T27] virtrng_scan+0x37/0x90 [ 286.224719][ T27] ? rng_current_store+0x2e0/0x2e0 [ 286.225540][ T27] virtio_dev_probe+0x639/0x910 [ 286.226407][ T27] ? virtio_features_ok+0x110/0x110 [ 286.228737][ T27] really_probe+0x23e/0xb90 [ 286.233319][ T27] __driver_probe_device+0x338/0x4d0 [ 286.238665][ T27] driver_probe_device+0x4c/0x1a0 [ 286.245103][ T27] __driver_attach+0x22d/0x550 [ 286.250201][ T27] ? __device_attach_driver+0x2f0/0x2f0 [ 286.255770][ T27] bus_for_each_dev+0x147/0x1d0 [ 286.260696][ T27] ? subsys_dev_iter_exit+0x20/0x20 [ 286.265928][ T27] bus_add_driver+0x422/0x640 [ 286.270685][ T27] driver_register+0x220/0x3a0 [ 286.275683][ T27] ? hwrng_modinit+0x109/0x109 [ 286.280525][ T27] do_one_initcall+0x103/0x650 [ 286.285302][ T27] ? trace_event_raw_event_initcall_level+0x1f0/0x1f0 [ 286.292119][ T27] ? parameq+0xd0/0x170 [ 286.296316][ T27] kernel_init_freeable+0x6ac/0x735 [ 286.301621][ T27] ? rest_init+0x270/0x270 [ 286.306326][ T27] kernel_init+0x1a/0x1d0 [ 286.310695][ T27] ? rest_init+0x270/0x270 [ 286.315195][ T27] ret_from_fork+0x1f/0x30 [ 286.319670][ T27] [ 286.322740][ T27] [ 286.322740][ T27] Showing all locks held in the system: [ 286.330506][ T27] 2 locks held by swapper/0/1: [ 286.335271][ T27] #0: ffff88810cb8c170 (&dev->mutex){....}-{3:3}, at: __driver_attach+0x222/0x550 [ 286.344729][ T27] #1: ffffffff87edbbe8 (reading_mutex){+.+.}-{3:3}, at: add_early_randomness+0x1a/0x170 [ 286.354664][ T27] 1 lock held by khungtaskd/27: [ 286.359537][ T27] #0: ffffffff87a94840 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 286.369435][ T27] 1 lock held by hwrng/150: [ 286.373932][ T27] #0: ffffffff87edbbe8 (reading_mutex){+.+.}-{3:3}, at: hwrng_fillfn+0x141/0x370 [ 286.383199][ T27] [ 286.385539][ T27] ============================================= [ 286.385539][ T27] [ 286.394093][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 286.394093][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 286.394107][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.19.0-rc1-syzkaller-00039-g0dde9a46a2cf #0 [ 286.394129][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.394143][ T27] Call Trace: [ 286.394152][ T27] [ 286.394161][ T27] dump_stack_lvl+0xcd/0x134 [ 286.394214][ T27] panic+0x2d7/0x636 [ 286.394245][ T27] ? panic_print_sys_info.part.0+0x10b/0x10b [ 286.394274][ T27] ? watchdog.cold+0x5/0x143 [ 286.394303][ T27] watchdog.cold+0x16/0x143 [ 286.394326][ T27] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 286.394357][ T27] kthread+0x2ef/0x3a0 [ 286.394380][ T27] ? kthread_complete_and_exit+0x40/0x40 [ 286.394405][ T27] ret_from_fork+0x1f/0x30 [ 286.394431][ T27] [ 286.401146][ T27] Kernel Offset: disabled