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@10.128.15.202" "pwd"]: exit status 255 ssh: connect to host 10.128.15.202 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-2 port 1 (session ID: bc001aac43852da3056b1755bafc3cc79cffe186f60916c534d05f4cc4b7fc4c, 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 9f227516-8f13-0307-1f24-ad89b43b961d 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 5.18.0-syzkaller-13760-g032dcf09e2bf (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 [ 0.000011][ T0] kvm-clock: using sched offset of 2904731521 cycles [ 0.002903][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.008227][ T0] tsc: Detected 2200.210 MHz processor [ 0.014331][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.016769][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.019565][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.028503][ T0] found SMP MP-table at [mem 0x000f29c0-0x000f29cf] [ 0.031831][ T0] Using GB pages for direct mapping [ 0.034639][ T0] ACPI: Early table checksum verification disabled [ 0.036940][ T0] ACPI: RSDP 0x00000000000F2740 000014 (v00 Google) [ 0.038039][ T0] ACPI: RSDT 0x00000000BFFFFF90 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.039816][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.041673][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.043879][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.044672][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.047208][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.049774][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.051589][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.053740][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.055511][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.057252][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.058775][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.059912][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.062428][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.064888][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.066947][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.069132][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.071445][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.072609][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.073823][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.075280][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.077291][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.079060][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.081524][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.083455][ T0] NODE_DATA(0) allocated [mem 0x23fffa000-0x23fffdfff] [ 0.125961][ T0] Zone ranges: [ 0.126591][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.128004][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.130058][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.132156][ T0] Movable zone start for each node [ 0.133242][ T0] Early memory node ranges [ 0.134413][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.135401][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.136721][ T0] node 0: [mem 0x0000000100000000-0x000000023fffffff] [ 0.138764][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff] [ 0.139895][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.140029][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.205039][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.535599][ T0] kasan: KernelAddressSanitizer initialized [ 0.538478][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.539803][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.541033][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.542421][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.543678][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.545085][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.546090][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.547385][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.548771][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.549978][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.551732][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.554341][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.555660][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.557204][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.559028][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.560416][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.561574][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.563098][ T0] Booting paravirtualized kernel on KVM [ 0.564057][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.602795][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1 [ 0.605411][ T0] percpu: Embedded 67 pages/cpu s233632 r8192 d32608 u1048576 [ 0.606949][ T0] kvm-guest: PV spinlocks enabled [ 0.607671][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.608831][ T0] Fallback order for Node 0: 0 [ 0.609604][ T0] Built 1 zonelists, mobility grouping on. Total pages: 2064125 [ 0.610775][ T0] Policy zone: Normal [ 0.611297][ 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 [ 0.633040][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.639751][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear) [ 0.645181][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear) [ 0.647114][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.649072][ T0] Stack Depot early init allocating hash table with memblock_alloc, 8388608 bytes [ 1.610680][ T0] Memory: 6921704K/8388204K available (83983K kernel code, 22372K rwdata, 18952K rodata, 2204K init, 32476K bss, 1466244K reserved, 0K cma-reserved) [ 1.614512][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 [ 1.622845][ T0] Dynamic Preempt: voluntary [ 1.624375][ T0] Running RCU self tests [ 1.625046][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.626199][ T0] rcu: RCU lockdep checking is enabled. [ 1.627276][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.628500][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.629971][ T0] rcu: RCU debug extended QS entry/exit. [ 1.631442][ T0] All grace periods are expedited (rcu_expedited). [ 1.632596][ T0] Trampoline variant of Tasks RCU enabled. [ 1.633451][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.634576][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.655492][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.658046][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.659693][ T0] random: crng init done [ 1.661348][ T0] Console: colour VGA+ 80x25 [ 1.662594][ T0] printk: console [ttyS0] enabled [ 1.662594][ T0] printk: console [ttyS0] enabled [ 1.665111][ T0] printk: bootconsole [earlyser0] disabled [ 1.665111][ T0] printk: bootconsole [earlyser0] disabled [ 1.667003][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.668805][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.669652][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.670337][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.671084][ T0] ... CLASSHASH_SIZE: 4096 [ 1.671902][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 1.672671][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 1.673449][ T0] ... CHAINHASH_SIZE: 131072 [ 1.674250][ T0] memory used by lock dependency info: 20657 kB [ 1.675217][ T0] memory used for stack traces: 8320 kB [ 1.676173][ T0] per task-struct memory footprint: 1920 bytes [ 1.677632][ T0] ACPI: Core revision 20220331 [ 1.678934][ T0] APIC: Switch to symmetric I/O mode setup [ 1.685617][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.687507][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6f965d9b, max_idle_ns: 440795282877 ns [ 1.689839][ T0] Calibrating delay loop (skipped) preset value.. 4400.42 BogoMIPS (lpj=22002100) [ 1.691672][ T0] pid_max: default: 32768 minimum: 301 [ 1.692768][ T0] LSM: Security Framework initializing [ 1.693615][ T0] landlock: Up and running. [ 1.694284][ T0] Yama: becoming mindful. [ 1.695280][ T0] TOMOYO Linux initialized [ 1.696361][ T0] AppArmor: AppArmor initialized [ 1.698116][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 1.699850][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 1.704565][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.705729][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 1.707337][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.709888][ T0] Spectre V2 : Kernel not compiled with retpoline; no mitigation available! [ 1.709898][ T0] Spectre V2 : Vulnerable [ 1.712706][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.714575][ T0] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 1.715697][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.717012][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.718674][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.719848][ T0] TAA: Mitigation: Clear CPU buffers [ 1.720832][ T0] MDS: Mitigation: Clear CPU buffers [ 1.723311][ T0] Freeing SMP alternatives memory: 60K [ 1.847114][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 1.849810][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 1.849810][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.849810][ T1] Running RCU-tasks wait API self tests [ 1.849810][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 1.850483][ T1] rcu: Hierarchical SRCU implementation. [ 1.850608][ T14] printk: console [ttyS0] printing thread started [ 1.857870][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.858423][ T1] smp: Bringing up secondary CPUs ... [ 1.865209][ T1] x86: Booting SMP configuration: [ 1.865216][ T1] .... node #0, CPUs: #1 [ 1.866341][ 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. [ 1.866341][ 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. [ 1.866341][ T1] smp: Brought up 1 node, 2 CPUs [ 1.866341][ T1] smpboot: Max logical packages: 1 [ 1.866341][ T1] smpboot: Total of 2 processors activated (8800.84 BogoMIPS) [ 1.915540][ T1] allocated 134217728 bytes of page_ext [ 1.915792][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.918846][ T1] Node 0, zone DMA32: page owner found early allocated 15 pages [ 1.953866][ T1] Node 0, zone Normal: page owner found early allocated 33976 pages [ 1.954482][ T1] devtmpfs: initialized [ 1.974098][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.974098][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, linear) [ 1.974098][ T1] PM: RTC time: 10:12:48, date: 2022-06-04 [ 1.974098][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 1.978431][ T1] audit: initializing netlink subsys (disabled) [ 1.979896][ T26] audit: type=2000 audit(1654337568.115:1): state=initialized audit_enabled=0 res=1 [ 1.981238][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 1.981250][ T1] thermal_sys: Registered thermal governor 'user_space' [ 1.989914][ T1] cpuidle: using governor menu [ 1.996221][ T1] PCI: Using configuration type 1 for base access [ 2.070046][ T11] Callback from call_rcu_tasks() invoked. [ 2.151450][ T1] HugeTLB: can optimize 7 vmemmap pages for hugepages-2048kB [ 2.151450][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.161212][ T1] ACPI: Added _OSI(Module Device) [ 2.161226][ T1] ACPI: Added _OSI(Processor Device) [ 2.161236][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.161246][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.161271][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 2.161291][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 2.161311][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 2.265217][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 3.719829][ T1] ACPI: Interpreter enabled [ 3.719829][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.719829][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.719829][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.719829][ T1] PCI: Using E820 reservations for host bridge windows [ 3.719829][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 3.804582][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.804637][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 3.804652][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 3.804983][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 3.810748][ T1] PCI host bridge to bus 0000:00 [ 3.810771][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.810800][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.810825][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.810851][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 3.810881][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.811335][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 3.817739][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 3.848190][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 3.877502][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 3.881128][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 3.894217][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 3.902699][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 3.931522][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 3.942264][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 3.954027][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 3.982942][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 3.999929][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 4.032426][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 4.035340][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 4.046657][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 4.056634][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f] [ 4.087903][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 4.101870][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 4.109839][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f] [ 4.143884][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 4.147385][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 4.152204][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 4.158657][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 4.160805][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 4.168307][ T1] iommu: Default domain type: Translated [ 4.168307][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 4.171856][ T1] SCSI subsystem initialized [ 4.173534][ T1] ACPI: bus type USB registered [ 4.173893][ T1] usbcore: registered new interface driver usbfs [ 4.174048][ T1] usbcore: registered new interface driver hub [ 4.174150][ T1] usbcore: registered new device driver usb [ 4.174999][ T1] mc: Linux media interface: v0.10 [ 4.175612][ T1] videodev: Linux video capture interface: v2.00 [ 4.175987][ T1] pps_core: LinuxPPS API ver. 1 registered [ 4.175993][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 4.176045][ T1] PTP clock support registered [ 4.176475][ T1] EDAC MC: Ver: 3.0.0 [ 4.176498][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 4.176498][ T1] Bluetooth: Core ver 2.22 [ 4.176498][ T1] NET: Registered PF_BLUETOOTH protocol family [ 4.176498][ T1] Bluetooth: HCI device and connection manager initialized [ 4.176498][ T1] Bluetooth: HCI socket layer initialized [ 4.176498][ T1] Bluetooth: L2CAP socket layer initialized [ 4.176498][ T1] NET: Registered PF_ATMPVC protocol family [ 4.176498][ T1] NET: Registered PF_ATMSVC protocol family [ 4.176498][ T1] NetLabel: Initializing [ 4.176498][ T1] NetLabel: domain hash size = 128 [ 4.176498][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 4.176498][ T1] NetLabel: unlabeled traffic allowed by default [ 4.176498][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 4.176734][ T1] NET: Registered PF_NFC protocol family [ 4.176743][ T1] PCI: Using ACPI for IRQ routing [ 4.177690][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 4.177707][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 4.177719][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 4.177748][ T1] vgaarb: loaded [ 4.189812][ T1] clocksource: Switched to clocksource kvm-clock [ 4.203378][ T1] VFS: Disk quotas dquot_6.6.0 [ 4.203524][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.204988][ T1] TOMOYO: 2.6.0 [ 4.204995][ T1] Mandatory Access Control activated. [ 4.207905][ T1] AppArmor: AppArmor Filesystem Enabled [ 4.208418][ T1] pnp: PnP ACPI init [ 4.237954][ T1] pnp: PnP ACPI: found 7 devices [ 4.280639][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.281543][ T1] NET: Registered PF_INET protocol family [ 4.282858][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 4.293806][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, linear) [ 4.294508][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, linear) [ 4.301538][ T1] TCP bind bhash tables hash table entries: 65536 (order: 10, 5242880 bytes, vmalloc hugepage) [ 4.307031][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 4.308488][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 4.310663][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, linear) [ 4.312166][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 4.322424][ T1] RPC: Registered named UNIX socket transport module. [ 4.322439][ T1] RPC: Registered udp transport module. [ 4.322447][ T1] RPC: Registered tcp transport module. [ 4.322455][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.324844][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 4.324873][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 4.324894][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 4.324916][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 4.326026][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 4.326384][ T1] PCI: CLS 0 bytes, default 64 [ 4.326543][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.326550][ T1] software IO TLB: mapped [mem 0x00000000bbffd000-0x00000000bfffd000] (64MB) [ 4.346443][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 4.346529][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6f965d9b, max_idle_ns: 440795282877 ns [ 4.347019][ T1] clocksource: Switched to clocksource tsc [ 4.349998][ T43] kworker/u4:2 (43) used greatest stack depth: 27552 bytes left [ 4.362198][ T44] kworker/u4:1 (44) used greatest stack depth: 27304 bytes left [ 4.604358][ T1] Initialise system trusted keyrings [ 4.608035][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 4.658638][ T1] NFS: Registering the id_resolver key type [ 4.658702][ T1] Key type id_resolver registered [ 4.658707][ T1] Key type id_legacy registered [ 4.659442][ T1] 9p: Installing v9fs 9p2000 file system support [ 4.673247][ T1] Key type asymmetric registered [ 4.673297][ T1] Asymmetric key parser 'x509' registered [ 4.673765][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) [ 4.674047][ T1] io scheduler mq-deadline registered [ 4.674057][ T1] io scheduler kyber registered [ 4.688522][ T1] usbcore: registered new interface driver udlfb [ 4.689086][ T1] usbcore: registered new interface driver smscufx [ 4.694301][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 4.696374][ T1] ACPI: button: Power Button [PWRF] [ 4.697344][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 4.698095][ T1] ACPI: button: Sleep Button [SLPF] [ 4.726939][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 4.727047][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 4.745666][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 4.745759][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 4.770957][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 4.771068][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 4.787587][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 4.796013][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 4.796865][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 4.799442][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 4.802179][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 4.803985][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 4.808454][ T1] Non-volatile memory driver v1.3 [ 286.310102][ T27] INFO: task swapper/0:1 blocked for more than 143 seconds. [ 286.311800][ T27] Not tainted 5.18.0-syzkaller-13760-g032dcf09e2bf #0 [ 286.312968][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.314346][ T27] task:swapper/0 state:D stack:23856 pid: 1 ppid: 0 flags:0x00004000 [ 286.315734][ T27] Call Trace: [ 286.316647][ T27] [ 286.317286][ T27] __schedule+0x93c/0x25e0 [ 286.318168][ T27] ? io_schedule_timeout+0x140/0x140 [ 286.319483][ T27] schedule+0xd2/0x1f0 [ 286.320334][ T27] schedule_preempt_disabled+0xf/0x20 [ 286.321303][ T27] __mutex_lock+0xa70/0x1350 [ 286.322017][ T27] ? add_early_randomness+0x1a/0x170 [ 286.322752][ T27] ? mutex_lock_io_nested+0x1190/0x1190 [ 286.323684][ T27] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 286.324520][ T27] ? hwrng_init+0x29e/0x350 [ 286.325163][ T27] ? hwrng_manage_rngd+0x160/0x160 [ 286.326120][ T27] add_early_randomness+0x1a/0x170 [ 286.327359][ T27] hwrng_register+0x399/0x510 [ 286.328163][ T27] virtrng_scan+0x37/0x90 [ 286.328867][ T27] ? rng_current_store+0x2e0/0x2e0 [ 286.330002][ T27] virtio_dev_probe+0x639/0x910 [ 286.333241][ T27] ? virtio_features_ok+0x110/0x110 [ 286.338433][ T27] really_probe+0x23e/0xb90 [ 286.343399][ T27] __driver_probe_device+0x338/0x4d0 [ 286.348716][ T27] driver_probe_device+0x4c/0x1a0 [ 286.354141][ T27] __driver_attach+0x22d/0x550 [ 286.358922][ T27] ? __device_attach_driver+0x2f0/0x2f0 [ 286.364535][ T27] bus_for_each_dev+0x147/0x1d0 [ 286.369501][ T27] ? subsys_dev_iter_exit+0x20/0x20 [ 286.374779][ T27] bus_add_driver+0x422/0x640 [ 286.379670][ T27] driver_register+0x220/0x3a0 [ 286.389357][ T27] ? hwrng_modinit+0x109/0x109 [ 286.394485][ T27] do_one_initcall+0x103/0x650 [ 286.399483][ T27] ? trace_event_raw_event_initcall_level+0x1f0/0x1f0 [ 286.406306][ T27] ? parameq+0xd0/0x170 [ 286.410505][ T27] kernel_init_freeable+0x6ac/0x735 [ 286.416207][ T27] ? rest_init+0x270/0x270 [ 286.420971][ T27] kernel_init+0x1a/0x1d0 [ 286.425417][ T27] ? rest_init+0x270/0x270 [ 286.429936][ T27] ret_from_fork+0x1f/0x30 [ 286.429936][ T27] ret_from_fork+0x1f/0x30 [ 286.429976][ T27] [ 286.430148][ T27] [ 286.430148][ T27] Showing all locks held in the system: [ 286.430161][ T27] 2 locks held by swapper/0/1: [ 286.430176][ T27] #0: ffff88810cb52170 (&dev->mutex){....}-{3:3}, at: __driver_attach+0x222/0x550 [ 286.430252][ T27] #1: ffffffff87edc008 (reading_mutex){+.+.}-{3:3}, at: add_early_randomness+0x1a/0x170 [ 286.430326][ T27] 2 locks held by pr/ttyS0/14: [ 286.430348][ T27] 1 lock held by khungtaskd/27: [ 286.430362][ T27] #0: ffffffff87a94dc0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 286.430465][ T27] 1 lock held by hwrng/150: [ 286.430480][ T27] #0: ffffffff87edc008 (reading_mutex){+.+.}-{3:3}, at: hwrng_fillfn+0x141/0x370 [ 286.430549][ T27] [ 286.430555][ T27] ============================================= [ 286.430555][ T27] [ 286.430567][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 286.430583][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.18.0-syzkaller-13760-g032dcf09e2bf #0 [ 286.430607][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 286.430620][ T27] Call Trace: [ 286.430629][ T27] [ 286.430636][ T27] dump_stack_lvl+0xcd/0x134 [ 286.430675][ T27] panic+0x2d7/0x636 [ 286.430697][ T27] ? panic_print_sys_info.part.0+0x10b/0x10b [ 286.430722][ T27] ? watchdog.cold+0x5/0x143 [ 286.430748][ T27] watchdog.cold+0x16/0x143 [ 286.430768][ T27] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 286.430797][ T27] kthread+0x2ef/0x3a0 [ 286.430817][ T27] ? kthread_complete_and_exit+0x40/0x40 [ 286.430839][ T27] ret_from_fork+0x1f/0x30 [ 286.430861][ T27] [ 286.434788][ T27] Kernel Offset: disabled