can't ssh into the instance failed to run ["ssh" "-p" "1553" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@localhost" "pwd"]: exit status 255 Connection timed out during banner exchange Connection to 127.0.0.1 port 1553 timed out qemu-system-x86_64: -usbdevice tablet: '-usbdevice' is deprecated, please use '-device usb-...' instead ftruncate: Invalid argument qemu-system-x86_64: warning: hub 0 is not connected to host network [ 0.000000][ T0] Linux version 5.17.0-rc4-syzkaller-00229-g4f12b742eb2b-dirty (syzkaller@syzkaller) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: root=/dev/sda console=ttyS0 root=/dev/sda1 [ 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 0x0000000000100000-0x000000007ffdcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000007ffdd000-0x000000007fffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved [ 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] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.8 present. [ 0.000000][ T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000010][ T0] kvm-clock: using sched offset of 4841464710 cycles [ 0.006420][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.028208][ T0] tsc: Detected 2299.998 MHz processor [ 0.044676][ T0] last_pfn = 0x7ffdd max_arch_pfn = 0x400000000 [ 0.052048][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.077664][ T0] found SMP MP-table at [mem 0x000f5c80-0x000f5c8f] [ 0.085099][ T0] Using GB pages for direct mapping [ 0.092737][ T0] ACPI: Early table checksum verification disabled [ 0.099989][ T0] ACPI: RSDP 0x00000000000F5AD0 000014 (v00 BOCHS ) [ 0.107558][ T0] ACPI: RSDT 0x000000007FFE1F5B 000044 (v01 BOCHS BXPCRSDT 00000001 BXPC 00000001) [ 0.118624][ T0] ACPI: FACP 0x000000007FFE17ED 0000F4 (v03 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.129324][ T0] ACPI: DSDT 0x000000007FFDF040 0027AD (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.140350][ T0] ACPI: FACS 0x000000007FFDF000 000040 [ 0.147131][ T0] ACPI: APIC 0x000000007FFE18E1 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.158068][ T0] ACPI: HPET 0x000000007FFE1991 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.169790][ T0] ACPI: SRAT 0x000000007FFE19C9 000150 (v01 BOCHS BXPCSRAT 00000001 BXPC 00000001) [ 0.183784][ T0] ACPI: MCFG 0x000000007FFE1B19 00003C (v01 BOCHS BXPCMCFG 00000001 BXPC 00000001) [ 0.196240][ T0] ACPI: SSDT 0x000000007FFE1B55 0002FE (v01 BOCHS NVDIMM 00000001 BXPC 00000001) [ 0.206910][ T0] ACPI: NFIT 0x000000007FFE1E53 0000E0 (v01 BOCHS BXPCNFIT 00000001 BXPC 00000001) [ 0.217984][ T0] ACPI: WAET 0x000000007FFE1F33 000028 (v01 BOCHS BXPCWAET 00000001 BXPC 00000001) [ 0.228680][ T0] ACPI: Reserving FACP table memory at [mem 0x7ffe17ed-0x7ffe18e0] [ 0.237870][ T0] ACPI: Reserving DSDT table memory at [mem 0x7ffdf040-0x7ffe17ec] [ 0.247060][ T0] ACPI: Reserving FACS table memory at [mem 0x7ffdf000-0x7ffdf03f] [ 0.256685][ T0] ACPI: Reserving APIC table memory at [mem 0x7ffe18e1-0x7ffe1990] [ 0.267278][ T0] ACPI: Reserving HPET table memory at [mem 0x7ffe1991-0x7ffe19c8] [ 0.278047][ T0] ACPI: Reserving SRAT table memory at [mem 0x7ffe19c9-0x7ffe1b18] [ 0.288568][ T0] ACPI: Reserving MCFG table memory at [mem 0x7ffe1b19-0x7ffe1b54] [ 0.298508][ T0] ACPI: Reserving SSDT table memory at [mem 0x7ffe1b55-0x7ffe1e52] [ 0.308970][ T0] ACPI: Reserving NFIT table memory at [mem 0x7ffe1e53-0x7ffe1f32] [ 0.318669][ T0] ACPI: Reserving WAET table memory at [mem 0x7ffe1f33-0x7ffe1f5a] [ 0.330876][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.339042][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.345474][ T0] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.353247][ T0] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.359480][ T0] SRAT: PXM 0 -> APIC 0x04 -> Node 0 [ 0.365721][ T0] SRAT: PXM 0 -> APIC 0x05 -> Node 0 [ 0.371884][ T0] SRAT: PXM 0 -> APIC 0x06 -> Node 0 [ 0.377522][ T0] SRAT: PXM 0 -> APIC 0x07 -> Node 0 [ 0.384813][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.395457][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0x7fffffff] [ 0.404488][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x103ffffff] non-volatile [ 0.415659][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x57fffffff] hotplug [ 0.425295][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0x7ffdcfff] -> [mem 0x00000000-0x7ffdcfff] [ 0.441264][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000003fffffff] (1024MB) [ 0.452382][ T0] Faking node 1 at [mem 0x0000000040000000-0x000000007ffdcfff] (1023MB) [ 0.463520][ T0] NODE_DATA(0) allocated [mem 0x3fffa000-0x3fffffff] [ 0.495102][ T0] NODE_DATA(1) allocated [mem 0x7ffd6000-0x7ffdbfff] [ 0.624260][ T0] Zone ranges: [ 0.628554][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.637027][ T0] DMA32 [mem 0x0000000001000000-0x000000007ffdcfff] [ 0.645022][ T0] Normal empty [ 0.649211][ T0] Device empty [ 0.653388][ T0] Movable zone start for each node [ 0.659134][ T0] Early memory node ranges [ 0.663919][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.671093][ T0] node 0: [mem 0x0000000000100000-0x000000003fffffff] [ 0.680263][ T0] node 1: [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.688146][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000003fffffff] [ 0.698201][ T0] Initmem setup node 1 [mem 0x0000000040000000-0x000000007ffdcfff] [ 0.707121][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.707294][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.736554][ T0] On node 1, zone DMA32: 35 pages in unavailable ranges [ 3.577677][ T0] kasan: KernelAddressSanitizer initialized [ 3.600915][ T0] ACPI: PM-Timer IO Port: 0x608 [ 3.606813][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 3.615468][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 3.625828][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 3.634874][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 3.644347][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 3.654081][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 3.662744][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 3.671805][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 3.679827][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 3.686796][ T0] TSC deadline timer available [ 3.693129][ T0] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 3.702252][ T0] kvm-guest: KVM setup pv remote TLB flush [ 3.710588][ T0] kvm-guest: setup PV sched yield [ 3.716883][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 3.729141][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 3.739780][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 3.750742][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 3.761917][ T0] [mem 0xc0000000-0xfed1bfff] available for PCI devices [ 3.771441][ T0] Booting paravirtualized kernel on KVM [ 3.778731][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 3.868892][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:8 nr_node_ids:2 [ 3.941088][ T0] percpu: Embedded 69 pages/cpu s243080 r8192 d31352 u1048576 [ 3.949787][ T0] kvm-guest: PV spinlocks enabled [ 3.955248][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 3.965589][ T0] Fallback order for Node 0: 0 1 [ 3.971703][ T0] Fallback order for Node 1: 1 0 [ 3.977643][ T0] Built 2 zonelists, mobility grouping on. Total pages: 515805 [ 3.985125][ T0] Policy zone: DMA32 [ 3.988942][ 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 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 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 panic_on_warn=1 root=/dev/sda console=ttyS0 root=/dev/sda1 [ 4.080347][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl", will be passed to user space. [ 4.099480][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 4.106489][ T0] Stack Depot allocating hash table with memblock_alloc [ 4.704849][ T0] Memory: 1433552K/2096620K available (139293K kernel code, 34169K rwdata, 29628K rodata, 4580K init, 25004K bss, 662812K reserved, 0K cma-reserved) [ 4.729067][ T0] Dynamic Preempt: full [ 4.735024][ T0] Running RCU self tests [ 4.739495][ T0] rcu: Preemptible hierarchical RCU implementation. [ 4.746547][ T0] rcu: RCU lockdep checking is enabled. [ 4.754211][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 4.764303][ T0] rcu: RCU debug extended QS entry/exit. [ 4.770362][ T0] All grace periods are expedited (rcu_expedited). [ 4.777690][ T0] Trampoline variant of Tasks RCU enabled. [ 4.784681][ T0] Tracing variant of Tasks RCU enabled. [ 4.792455][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 4.870793][ T0] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16 [ 4.881707][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88807ea00000-0xffff88807ec00000 [ 4.895844][ T0] random: crng init done (trusting CPU's manufacturer) [ 4.979384][ T0] Console: colour VGA+ 80x25 [ 4.984343][ T0] printk: console [ttyS0] enabled [ 4.984343][ T0] printk: console [ttyS0] enabled [ 4.998450][ T0] printk: bootconsole [earlyser0] disabled [ 4.998450][ T0] printk: bootconsole [earlyser0] disabled [ 5.013775][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 5.024328][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 5.029407][ T0] ... MAX_LOCK_DEPTH: 48 [ 5.035102][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 5.041645][ T0] ... CLASSHASH_SIZE: 4096 [ 5.048831][ T0] ... MAX_LOCKDEP_ENTRIES: 65536 [ 5.054594][ T0] ... MAX_LOCKDEP_CHAINS: 131072 [ 5.061737][ T0] ... CHAINHASH_SIZE: 65536 [ 5.068445][ T0] memory used by lock dependency info: 11129 kB [ 5.076520][ T0] memory used for stack traces: 8320 kB [ 5.082878][ T0] per task-struct memory footprint: 1920 bytes [ 5.090267][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 5.103237][ T0] ACPI: Core revision 20211217 [ 5.111931][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 5.124702][ T0] APIC: Switch to symmetric I/O mode setup [ 5.130900][ T0] kvm-guest: setup PV IPIs [ 5.152566][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 5.159998][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x212733415c7, max_idle_ns: 440795236380 ns [ 5.172074][ T0] Calibrating delay loop (skipped) preset value.. 4599.99 BogoMIPS (lpj=22999980) [ 5.182060][ T0] pid_max: default: 32768 minimum: 301 [ 5.193619][ T0] LSM: Security Framework initializing [ 5.202508][ T0] landlock: Up and running. [ 5.207072][ T0] Yama: becoming mindful. [ 5.212453][ T0] TOMOYO Linux initialized [ 5.217819][ T0] SELinux: Initializing. [ 5.232263][ T0] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes, vmalloc) [ 5.247309][ T0] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 5.252395][ T0] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 5.262162][ T0] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes, vmalloc) [ 5.278290][ T0] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 5.283030][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 5.292049][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 5.298386][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 5.302119][ T0] Spectre V2 : Spectre mitigation: kernel not compiled with retpoline; no mitigation available! [ 5.302195][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 5.322102][ T0] MDS: Mitigation: Clear CPU buffers [ 5.336209][ T0] Freeing SMP alternatives memory: 108K [ 5.344907][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.30GHz (family: 0x6, model: 0x3f, stepping: 0x0) [ 5.356906][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 5.362324][ T1] cblist_init_generic: Setting shift to 3 and lim to 1. [ 5.371420][ T1] cblist_init_generic: Setting shift to 3 and lim to 1. [ 5.372853][ T1] Running RCU-tasks wait API self tests [ 5.492569][ T1] Performance Events: unsupported p6 CPU model 63 no PMU driver, software events only. [ 5.504091][ T1] rcu: Hierarchical SRCU implementation. [ 5.512259][ T13] Callback from call_rcu_tasks_trace() invoked. [ 5.529324][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 5.535930][ T1] smp: Bringing up secondary CPUs ... [ 5.555151][ T1] x86: Booting SMP configuration: [ 5.562217][ T1] .... node #0, CPUs: #1 [ 5.575083][ 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. [ 5.591084][ T1] #2 [ 5.608423][ T1] #3 [ 5.615274][ T1] smp: Brought up 2 nodes, 4 CPUs [ 5.622164][ T1] smpboot: Max logical packages: 2 [ 5.631031][ T1] smpboot: Total of 4 processors activated (18399.98 BogoMIPS) [ 5.712169][ T12] Callback from call_rcu_tasks() invoked. [ 5.777513][ T1] allocated 25165824 bytes of page_ext [ 5.782961][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 5.804037][ T1] Node 0, zone DMA32: page owner found early allocated 6294 pages [ 5.814579][ T1] Node 1, zone DMA32: page owner found early allocated 3897 pages [ 5.824873][ T1] devtmpfs: initialized [ 5.833339][ T1] x86/mm: Memory block size: 128MB [ 5.878831][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 5.882775][ T1] futex hash table entries: 2048 (order: 6, 262144 bytes, vmalloc)