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@10.128.1.63" "pwd"]: exit status 255 ssh: connect to host 10.128.1.63 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.ci-upstream-kasan-gce-root-test-2 port 1 (session ID: f88bfe34370484ee03ca1b493b55c5f2defb1bf61a0d437c0719e87c1ead74f7, 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 f18d0be6-0177-a294-dd98-8a1545847fdc 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 0x000f2710: 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-00011-g9886142c7a22 (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] [Firmware Bug]: TSC doesn't count with P0 frequency! [ 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 'compacted' 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] 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 [ 0.000006][ T0] kvm-clock: using sched offset of 3225697543 cycles [ 0.000848][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.003191][ T0] tsc: Detected 2249.998 MHz processor [ 0.007598][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.008535][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.009589][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.012459][ T0] found SMP MP-table at [mem 0x000f29d0-0x000f29df] [ 0.013376][ T0] Using GB pages for direct mapping [ 0.015285][ T0] ACPI: Early table checksum verification disabled [ 0.016178][ T0] ACPI: RSDP 0x00000000000F2750 000014 (v00 Google) [ 0.017272][ T0] ACPI: RSDT 0x00000000BFFFFF90 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.018564][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.019797][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.021205][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.021916][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.022628][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.024087][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.025341][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.026556][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.027808][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.028820][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.030014][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.031370][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.032450][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.033505][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.034528][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.035639][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.037016][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.037696][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.038376][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.039321][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.040229][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.041136][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.042705][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.044219][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.045300][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.046965][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.048048][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.064238][ T0] Zone ranges: [ 0.064786][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.065785][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.066778][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.067745][ T0] Device empty [ 0.068332][ T0] Movable zone start for each node [ 0.069009][ T0] Early memory node ranges [ 0.069576][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.070548][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.071498][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.072440][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.073533][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.074600][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.075680][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.075811][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.106717][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.273133][ T0] kasan: KernelAddressSanitizer initialized [ 0.275533][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.276206][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.277142][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.278155][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.279139][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.280116][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.281093][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.282085][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.283161][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.284043][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.285129][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.286323][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.287587][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.288918][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.290031][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.291127][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.292236][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.293124][ T0] Booting paravirtualized kernel on KVM [ 0.294096][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.346868][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 0.348576][ T0] percpu: Embedded 69 pages/cpu s243784 r8192 d30648 u1048576 [ 0.349731][ T0] kvm-guest: PV spinlocks enabled [ 0.350421][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.351559][ T0] Fallback order for Node 0: 0 1 [ 0.352285][ T0] Fallback order for Node 1: 1 0 [ 0.352975][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064125 [ 0.354527][ T0] Policy zone: Normal [ 0.355040][ 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 [ 0.370147][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.372376][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.373288][ T0] Stack Depot early init allocating hash table with memblock_alloc, 8388608 bytes [ 0.994964][ T0] Memory: 6830516K/8388204K available (141342K kernel code, 34660K rwdata, 30196K rodata, 2708K init, 34312K bss, 1557432K reserved, 0K cma-reserved) [ 0.997930][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.000411][ T0] Dynamic Preempt: full [ 1.001422][ T0] Running RCU self tests [ 1.001982][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.002848][ T0] rcu: RCU lockdep checking is enabled. [ 1.003699][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.004841][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.005825][ T0] rcu: RCU debug extended QS entry/exit. [ 1.006553][ T0] All grace periods are expedited (rcu_expedited). [ 1.007405][ T0] Trampoline variant of Tasks RCU enabled. [ 1.008166][ T0] Tracing variant of Tasks RCU enabled. [ 1.008884][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.010005][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.042145][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.043475][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.044797][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 1.046304][ T0] random: crng init done [ 1.047746][ T0] Console: colour VGA+ 80x25 [ 1.048579][ T0] printk: console [ttyS0] enabled [ 1.048579][ T0] printk: console [ttyS0] enabled [ 1.050058][ T0] printk: bootconsole [earlyser0] disabled [ 1.050058][ T0] printk: bootconsole [earlyser0] disabled [ 1.052043][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.053423][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.054139][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.055215][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.055931][ T0] ... CLASSHASH_SIZE: 4096 [ 1.056635][ T0] ... MAX_LOCKDEP_ENTRIES: 131072 [ 1.057368][ T0] ... MAX_LOCKDEP_CHAINS: 262144 [ 1.058094][ T0] ... CHAINHASH_SIZE: 131072 [ 1.058810][ T0] memory used by lock dependency info: 20657 kB [ 1.059662][ T0] memory used for stack traces: 8320 kB [ 1.060433][ T0] per task-struct memory footprint: 1920 bytes [ 1.061398][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.063098][ T0] ACPI: Core revision 20220331 [ 1.064196][ T0] APIC: Switch to symmetric I/O mode setup [ 1.070265][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.071474][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x206eb2111f5, max_idle_ns: 440795222471 ns [ 1.073115][ T0] Calibrating delay loop (skipped) preset value.. 4499.99 BogoMIPS (lpj=22499980) [ 1.083139][ T0] pid_max: default: 32768 minimum: 301 [ 1.084110][ T0] LSM: Security Framework initializing [ 1.085141][ T0] landlock: Up and running. [ 1.085772][ T0] Yama: becoming mindful. [ 1.086433][ T0] TOMOYO Linux initialized [ 1.087217][ T0] AppArmor: AppArmor initialized [ 1.087909][ T0] LSM support for eBPF active [ 1.090711][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 1.093559][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.094983][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.096181][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.099603][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 1.101006][ T0] Last level iTLB entries: 4KB 1024, 2MB 1024, 4MB 512 [ 1.101974][ T0] Last level dTLB entries: 4KB 2048, 2MB 2048, 4MB 1024, 1GB 0 [ 1.103135][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.104406][ T0] Spectre V2 : Kernel not compiled with retpoline; no mitigation available! [ 1.104412][ T0] Spectre V2 : Vulnerable [ 1.106167][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.107361][ T0] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 1.108412][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.109649][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.110593][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.113634][ T0] Freeing SMP alternatives memory: 108K [ 1.235012][ T1] smpboot: CPU0: AMD EPYC 7B12 (family: 0x17, model: 0x31, stepping: 0x0) [ 1.237903][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 1.239077][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.240494][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.241717][ T1] Running RCU-tasks wait API self tests [ 1.343473][ T1] Performance Events: PMU not available due to virtualization, using software events only. [ 1.345647][ T1] rcu: Hierarchical SRCU implementation. [ 1.345786][ T16] printk: console [ttyS0] printing thread started [ 1.350743][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.351382][ T1] smp: Bringing up secondary CPUs ... [ 1.352497][ T1] x86: Booting SMP configuration: [ 1.352501][ T1] .... node #0, CPUs: #1 [ 1.356625][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.356638][ T1] smpboot: Max logical packages: 1 [ 1.356644][ T1] smpboot: Total of 2 processors activated (8999.99 BogoMIPS) [ 1.375094][ T1] allocated 134217728 bytes of page_ext [ 1.375358][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.383146][ T13] Callback from call_rcu_tasks_trace() invoked. [ 1.384835][ T1] Node 0, zone DMA32: page owner found early allocated 18934 pages [ 1.397219][ T1] Node 0, zone Normal: page owner found early allocated 292 pages [ 1.402286][ T1] Node 1, zone Normal: page owner found early allocated 19162 pages [ 1.404043][ T1] devtmpfs: initialized [ 1.404857][ T1] x86/mm: Memory block size: 128MB [ 1.437461][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 1.437584][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 1.439881][ T1] PM: RTC time: 23:26:26, date: 2022-06-07 [ 1.457781][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 1.462667][ T1] audit: initializing netlink subsys (disabled) [ 1.465379][ T27] audit: type=2000 audit(1654644386.817:1): state=initialized audit_enabled=0 res=1 [ 1.465544][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 1.465553][ T1] thermal_sys: Registered thermal governor 'user_space' [ 1.465724][ T1] cpuidle: using governor menu [ 1.465773][ T1] NET: Registered PF_QIPCRTR protocol family [ 1.467212][ T1] HugeTLB: can optimize 4095 vmemmap pages for hugepages-1048576kB [ 1.468029][ T1] PCI: Using configuration type 1 for base access [ 1.468035][ T1] PCI: Using configuration type 1 for extended access [ 1.563605][ T12] Callback from call_rcu_tasks() invoked. [ 1.629503][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 1.629503][ T1] HugeTLB: can optimize 7 vmemmap pages for hugepages-2048kB [ 1.629503][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 1.629503][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 1.646616][ T1] cryptd: max_cpu_qlen set to 1000 [ 1.650547][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 1.650557][ T1] raid6: using avx2x2 recovery algorithm [ 1.651522][ T1] ACPI: Added _OSI(Module Device) [ 1.651532][ T1] ACPI: Added _OSI(Processor Device) [ 1.651540][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 1.651548][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 1.651569][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 1.651585][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 1.651602][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 1.739556][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 1.923504][ T1] ACPI: Interpreter enabled [ 1.923858][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 1.923885][ T1] ACPI: Using IOAPIC for interrupt routing [ 1.924152][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 1.924162][ T1] PCI: Using E820 reservations for host bridge windows [ 1.927263][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.041519][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.041590][ T1] acpi PNP0A03:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 2.052713][ T1] PCI host bridge to bus 0000:00 [ 2.052728][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 2.052747][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.052771][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.052793][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.052817][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 2.052844][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.062539][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 2.066578][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 2.088670][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 2.106035][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.109063][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 2.118342][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 2.122279][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 2.143232][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 2.150172][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 2.157408][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 2.173420][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 2.180435][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 2.203483][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 2.206073][ T1] pci 0000:00:06.0: [1af4:1005] type 00 class 0x00ff00 [ 2.216628][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 2.219883][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80203f] [ 2.254594][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 2.259057][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 2.265683][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 2.270307][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 2.275544][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 2.286458][ T1] iommu: Default domain type: Translated [ 2.286471][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 2.290163][ T1] SCSI subsystem initialized [ 2.291775][ T1] ACPI: bus type USB registered [ 2.292185][ T1] usbcore: registered new interface driver usbfs [ 2.292418][ T1] usbcore: registered new interface driver hub [ 2.292566][ T1] usbcore: registered new device driver usb [ 2.300084][ T1] mc: Linux media interface: v0.10 [ 2.300243][ T1] videodev: Linux video capture interface: v2.00 [ 2.301030][ T1] pps_core: LinuxPPS API ver. 1 registered [ 2.301038][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.301115][ T1] PTP clock support registered [ 2.301912][ T1] EDAC MC: Ver: 3.0.0 [ 2.304797][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 2.308060][ T1] Bluetooth: Core ver 2.22 [ 2.308210][ T1] NET: Registered PF_BLUETOOTH protocol family [ 2.308217][ T1] Bluetooth: HCI device and connection manager initialized [ 2.308259][ T1] Bluetooth: HCI socket layer initialized [ 2.308282][ T1] Bluetooth: L2CAP socket layer initialized [ 2.308352][ T1] Bluetooth: SCO socket layer initialized [ 2.308415][ T1] NET: Registered PF_ATMPVC protocol family [ 2.308422][ T1] NET: Registered PF_ATMSVC protocol family [ 2.308668][ T1] NetLabel: Initializing [ 2.308672][ T1] NetLabel: domain hash size = 128 [ 2.308679][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 2.308988][ T1] NetLabel: unlabeled traffic allowed by default [ 2.327509][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 2.327762][ T1] NET: Registered PF_NFC protocol family [ 2.327836][ T1] PCI: Using ACPI for IRQ routing [ 2.328337][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 2.328337][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 2.328337][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 2.328337][ T1] vgaarb: loaded [ 2.336618][ T1] clocksource: Switched to clocksource kvm-clock [ 2.338939][ T1] VFS: Disk quotas dquot_6.6.0 [ 2.339076][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 2.339500][ T1] FS-Cache: Loaded [ 2.340622][ T1] CacheFiles: Loaded [ 2.341004][ T1] TOMOYO: 2.6.0 [ 2.341008][ T1] Mandatory Access Control activated. [ 2.343100][ T1] AppArmor: AppArmor Filesystem Enabled [ 2.343100][ T1] pnp: PnP ACPI init [ 2.358676][ T1] pnp: PnP ACPI: found 7 devices [ 2.394076][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 2.394840][ T1] NET: Registered PF_INET protocol family [ 2.397851][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 2.406971][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 294912 bytes, vmalloc) [ 2.408103][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 2.411523][ T1] TCP bind bhash tables hash table entries: 65536 (order: 10, 5242880 bytes, vmalloc hugepage) [ 2.415788][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 2.418288][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 2.420332][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 2.422498][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 2.423728][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 2.430609][ T1] RPC: Registered named UNIX socket transport module. [ 2.430620][ T1] RPC: Registered udp transport module. [ 2.430627][ T1] RPC: Registered tcp transport module. [ 2.430633][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 2.432489][ T1] NET: Registered PF_XDP protocol family [ 2.432522][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 2.432543][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 2.432561][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 2.432579][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 2.442639][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 2.442888][ T1] PCI: CLS 0 bytes, default 64 [ 2.443041][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 2.443047][ T1] software IO TLB: mapped [mem 0x00000000b5a00000-0x00000000b9a00000] (64MB) [ 2.443210][ T1] ACPI: bus type thunderbolt registered [ 2.451469][ T57] kworker/u4:1 (57) used greatest stack depth: 27744 bytes left [ 2.452130][ T1] kvm: no hardware support for 'kvm_intel' [ 2.452140][ T1] has_svm: svm not available [ 2.452146][ T1] kvm: no hardware support for 'kvm_amd' [ 2.452158][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x206eb2111f5, max_idle_ns: 440795222471 ns [ 2.452252][ T1] clocksource: Switched to clocksource tsc [ 2.455176][ T60] kworker/u4:3 (60) used greatest stack depth: 26792 bytes left [ 5.387672][ T1] Initialise system trusted keyrings [ 5.390085][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 5.424882][ T1] zbud: loaded [ 5.431480][ T1] DLM installed [ 5.437349][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 5.445989][ T1] NFS: Registering the id_resolver key type [ 5.446030][ T1] Key type id_resolver registered [ 5.446035][ T1] Key type id_legacy registered [ 5.446315][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 5.446366][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 5.446372][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 5.453517][ T1] Key type cifs.spnego registered [ 5.453635][ T1] Key type cifs.idmap registered [ 5.454201][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 5.455697][ T1] ntfs3: Max link count 4000 [ 5.455704][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 5.455707][ T1] ntfs3: Read-only LZX/Xpress compression included [ 5.457431][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 5.457730][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 5.461727][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 5.462327][ T1] QNX4 filesystem 0.2.3 registered. [ 5.462629][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 5.463520][ T1] fuse: init (API version 7.36) [ 5.467168][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 5.467661][ T1] orangefs_init: module version upstream loaded [ 5.468695][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 5.482456][ T1] SGI XFS with ACLs, security attributes, realtime, quota, fatal assert, debug enabled [ 5.492513][ T1] 9p: Installing v9fs 9p2000 file system support [ 5.494009][ T1] NILFS version 2 loaded [ 5.494014][ T1] befs: version: 0.9.3 [ 5.495710][ T1] ocfs2: Registered cluster interface o2cb [ 5.496252][ T1] ocfs2: Registered cluster interface user [ 5.497147][ T1] OCFS2 User DLM kernel interface loaded [ 5.506737][ T1] gfs2: GFS2 installed [ 5.516274][ T1] ceph: loaded (mds proto 32) [ 5.527090][ T1] NET: Registered PF_ALG protocol family [ 5.527155][ T1] xor: automatically using best checksumming function avx [ 5.527178][ T1] async_tx: api initialized (async) [ 5.527190][ T1] Key type asymmetric registered [ 5.527211][ T1] Asymmetric key parser 'x509' registered [ 5.527216][ T1] Asymmetric key parser 'pkcs8' registered [ 5.527221][ T1] Key type pkcs7_test registered [ 5.529681][ T1] alg: self-tests for CTR-KDF (hmac(sha256)) passed [ 5.529910][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) [ 5.530432][ T1] io scheduler mq-deadline registered [ 5.530441][ T1] io scheduler kyber registered [ 5.531005][ T1] io scheduler bfq registered [ 5.549558][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 5.583846][ T1] ACPI: button: Power Button [PWRF] [ 5.585119][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 5.585669][ T1] ACPI: button: Sleep Button [SLPF] [ 5.606040][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 5.606121][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 5.620423][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 5.620493][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 5.639186][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 5.639261][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 5.906133][ T660] kworker/u4:4 (660) used greatest stack depth: 26360 bytes left [ 5.931224][ T1] N_HDLC line discipline registered with maxframe=4096 [ 5.931282][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 5.932293][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 5.937520][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 5.941696][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 5.946746][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 5.957444][ T1] Non-volatile memory driver v1.3 [ 285.703332][ T28] INFO: task swapper/0:1 blocked for more than 143 seconds. [ 285.705808][ T28] Not tainted 5.19.0-rc1-syzkaller-00011-g9886142c7a22 #0 [ 285.706850][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.708046][ T28] task:swapper/0 state:D stack:23536 pid: 1 ppid: 0 flags:0x00004000 [ 285.709655][ T28] Call Trace: [ 285.710284][ T28] [ 285.710696][ T28] __schedule+0xa00/0x4b30 [ 285.711357][ T28] ? __mutex_lock+0xa6b/0x1350 [ 285.712042][ T28] ? io_schedule_timeout+0x140/0x140 [ 285.712810][ T28] schedule+0xd2/0x1f0 [ 285.713503][ T28] schedule_preempt_disabled+0xf/0x20 [ 285.714309][ T28] __mutex_lock+0xa70/0x1350 [ 285.714955][ T28] ? add_early_randomness+0x1a/0x170 [ 285.715673][ T28] ? mutex_lock_io_nested+0x1190/0x1190 [ 285.716420][ T28] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 285.717186][ T28] ? hwrng_init+0x29e/0x350 [ 285.717800][ T28] ? hwrng_manage_rngd+0x160/0x160 [ 285.718499][ T28] add_early_randomness+0x1a/0x170 [ 285.719229][ T28] hwrng_register+0x399/0x510 [ 285.719866][ T28] virtrng_scan+0x37/0x90 [ 285.720458][ T28] ? rng_current_store+0x2e0/0x2e0 [ 285.721151][ T28] virtio_dev_probe+0x639/0x910 [ 285.721813][ T28] ? virtio_features_ok+0x110/0x110 [ 285.722520][ T28] really_probe+0x23e/0xb90 [ 285.723237][ T28] __driver_probe_device+0x338/0x4d0 [ 285.727378][ T28] driver_probe_device+0x4c/0x1a0 [ 285.732386][ T28] __driver_attach+0x22d/0x550 [ 285.737176][ T28] ? __device_attach_driver+0x2f0/0x2f0 [ 285.742726][ T28] bus_for_each_dev+0x147/0x1d0 [ 285.747599][ T28] ? subsys_dev_iter_exit+0x20/0x20 [ 285.752805][ T28] bus_add_driver+0x422/0x640 [ 285.757514][ T28] driver_register+0x220/0x3a0 [ 285.762294][ T28] ? hwrng_modinit+0x109/0x109 [ 285.767101][ T28] do_one_initcall+0x103/0x650 [ 285.771889][ T28] ? trace_event_raw_event_initcall_level+0x1f0/0x1f0 [ 285.778707][ T28] ? parameq+0x110/0x170 [ 285.783041][ T28] kernel_init_freeable+0x6b1/0x73a [ 285.788279][ T28] ? rest_init+0x270/0x270 [ 285.792973][ T28] kernel_init+0x1a/0x1d0 [ 285.797323][ T28] ? rest_init+0x270/0x270 [ 285.801742][ T28] ret_from_fork+0x1f/0x30 [ 285.806199][ T28] [ 285.809239][ T28] [ 285.809239][ T28] Showing all locks held in the system: [ 285.816985][ T28] 2 locks held by swapper/0/1: [ 285.816985][ T28] 2 locks held by swapper/0/1: [ 285.817008][ T28] #0: ffff888146ae9170 (&dev->mutex){....}-{3:3}, at: __driver_attach+0x222/0x550 [ 285.817074][ T28] #1: ffffffff8c832908 (reading_mutex){+.+.}-{3:3}, at: add_early_randomness+0x1a/0x170 [ 285.817142][ T28] 2 locks held by kworker/u4:0/8: [ 285.817154][ T28] #0: ffff888011869138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 [ 285.817219][ T28] #1: ffffc900000d7da8 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 [ 285.817283][ T28] 2 locks held by pr/ttyS0/16: [ 285.817297][ T28] 1 lock held by khungtaskd/28: [ 285.817310][ T28] #0: ffffffff8bd866e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 285.817381][ T28] 1 lock held by hwrng/752: [ 285.817394][ T28] #0: ffffffff8c832908 (reading_mutex){+.+.}-{3:3}, at: hwrng_fillfn+0x141/0x370 [ 285.817457][ T28] [ 285.817465][ T28] ============================================= [ 285.817465][ T28] [ 285.817475][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 285.817486][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 5.19.0-rc1-syzkaller-00011-g9886142c7a22 #0 [ 285.817507][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 285.817519][ T28] Call Trace: [ 285.817527][ T28] [ 285.817535][ T28] dump_stack_lvl+0xcd/0x134 [ 285.817603][ T28] panic+0x2d7/0x636 [ 285.817632][ T28] ? panic_print_sys_info.part.0+0x10b/0x10b [ 285.817672][ T28] ? watchdog.cold+0x5/0x143 [ 285.817710][ T28] watchdog.cold+0x16/0x143 [ 285.817751][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 285.817787][ T28] kthread+0x2e9/0x3a0 [ 285.817810][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 285.817839][ T28] ret_from_fork+0x1f/0x30 [ 285.817885][ T28] [ 285.822683][ T28] Kernel Offset: disabled