failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.224" "pwd"]: exit status 255 ssh: connect to host 10.128.1.224 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[us-central1-ssh-serialport.googleapis.com]:9600' (RSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-f.ci2-linux-5-15-kasan-0 port 1 (session ID: a971f754dc4d34b3fc1c84acc1421c2053dd5a3fc2758c45c720bea6bf47d294, 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 25332872-7432-e368-00ed-e5a1824069fa 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 0x000f2790: 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 5.15.170-syzkaller (syzkaller@syzkaller) (Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40) #0 SMP PREEMPT 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] 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] 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 09/13/2024 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000][ T0] kvm-clock: cpu 0, msr f678001, primary cpu clock [ 0.000012][ T0] kvm-clock: using sched offset of 270402202958 cycles [ 0.399757][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 1.018922][ T0] tsc: Detected 2199.998 MHz processor [ 1.227038][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 1.630018][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 1.838387][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 2.448715][ T0] found SMP MP-table at [mem 0x000f2a50-0x000f2a5f] [ 2.862294][ T0] Using GB pages for direct mapping [ 3.267554][ T0] ACPI: Early table checksum verification disabled [ 3.873990][ T0] ACPI: RSDP 0x00000000000F27D0 000014 (v00 Google) [ 3.883798][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 4.292448][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 4.899701][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 5.518756][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 5.927052][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 6.327060][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 6.538355][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 6.946545][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 7.558428][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 7.966713][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 8.372574][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 8.782388][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 9.401443][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 10.009964][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 10.421804][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 10.831300][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 11.232529][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 11.242371][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 11.641340][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 11.847089][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 12.058762][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 12.460767][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 12.671142][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 13.686987][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 14.306162][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 14.708715][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 15.122567][ T0] NODE_DATA(0) allocated [mem 0x13fffb000-0x13fffffff] [ 15.529134][ T0] NODE_DATA(1) allocated [mem 0x23fff8000-0x23fffcfff] [ 16.758191][ T0] Zone ranges: [ 16.956044][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 17.164745][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 17.371324][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 17.979903][ T0] Device empty [ 17.984429][ T0] Movable zone start for each node [ 18.190347][ T0] Early memory node ranges [ 18.395857][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 19.004294][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 19.415652][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 20.020095][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 20.231663][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 20.641501][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 21.256631][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 21.256848][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 22.483512][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 31.478004][ T0] kasan: KernelAddressSanitizer initialized [ 31.882780][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 32.086090][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 32.289655][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 32.703028][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 33.106032][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 33.317259][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 33.722742][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 33.929113][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 34.538094][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 34.740652][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 34.950148][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 35.352965][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 35.765684][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 35.973508][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 36.378336][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 36.788666][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 37.397287][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 37.604983][ T0] Booting paravirtualized kernel on KVM [ 37.808347][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 40.266632][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 40.870952][ T0] percpu: Embedded 69 pages/cpu s244616 r8192 d29816 u1048576 [ 41.079364][ T0] kvm-guest: stealtime: cpu 0, msr b9027400 [ 41.286951][ T0] kvm-guest: PV spinlocks enabled [ 41.488441][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 41.897325][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064125 [ 42.105301][ T0] Policy zone: Normal [ 42.512730][ 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 rcupdate.rcu_cpu_stall_cputime=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 coredump_filter=0xffff root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid vivid.n_devs=64 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=32 rose.rose_ndevs=32 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_ [ 42.514433][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl nbds_max=32 BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 48.033763][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 72.960473][ T0] Memory: 6728892K/8388204K available (153631K kernel code, 25308K rwdata, 29840K rodata, 3652K init, 123524K bss, 1659056K reserved, 0K cma-reserved) [ 73.777727][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 74.190988][ T0] Running RCU self tests [ 74.801686][ T0] rcu: Preemptible hierarchical RCU implementation. [ 75.011565][ T0] rcu: RCU lockdep checking is enabled. [ 75.218087][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 76.032931][ T0] rcu: RCU callback double-/use-after-free debug enabled. [ 76.442828][ T0] rcu: RCU debug extended QS entry/exit. [ 77.051639][ T0] All grace periods are expedited (rcu_expedited). [ 77.862744][ T0] Trampoline variant of Tasks RCU enabled. [ 78.078777][ T0] Tracing variant of Tasks RCU enabled. [ 78.283382][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 78.889679][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 80.523869][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 81.142558][ T0] random: crng init done [ 81.348668][ T0] Console: colour VGA+ 80x25 [ 81.553325][ T0] printk: console [ttyS0] enabled [ 81.553325][ T0] printk: console [ttyS0] enabled [ 82.361013][ T0] printk: bootconsole [earlyser0] disabled [ 82.361013][ T0] printk: bootconsole [earlyser0] disabled [ 82.573214][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 82.981506][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 83.188659][ T0] ... MAX_LOCK_DEPTH: 48 [ 83.392164][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 83.595769][ T0] ... CLASSHASH_SIZE: 4096 [ 83.801995][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 84.404657][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 84.608441][ T0] ... CHAINHASH_SIZE: 524288 [ 84.616539][ T0] memory used by lock dependency info: 106561 kB [ 84.819895][ T0] memory used for stack traces: 8320 kB [ 85.026131][ T0] per task-struct memory footprint: 1920 bytes [ 85.232188][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 86.040143][ T0] ACPI: Core revision 20210730 [ 86.245578][ T0] APIC: Switch to symmetric I/O mode setup [ 86.452189][ T0] x2apic enabled [ 86.858317][ T0] Switched APIC routing to physical x2apic. [ 87.478778][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 87.680969][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb63109b96, max_idle_ns: 440795265316 ns [ 87.889151][ T0] Calibrating delay loop (skipped) preset value.. 4399.99 BogoMIPS (lpj=21999980) [ 87.899587][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 87.919145][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 87.929178][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 87.939207][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on vm exit [ 87.949153][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall [ 87.959153][ T0] Spectre V2 : Mitigation: IBRS [ 87.969154][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 87.979154][ T0] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 87.989155][ T0] RETBleed: Mitigation: IBRS [ 88.009221][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 88.019153][ T0] Spectre V2 : User space: Mitigation: STIBP via seccomp and prctl [ 88.039241][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 88.049213][ T0] MDS: Mitigation: Clear CPU buffers [ 88.059154][ T0] TAA: Mitigation: Clear CPU buffers [ 88.069154][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode [ 88.079232][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 88.089155][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 88.099155][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 88.109165][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 88.119154][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 88.140771][ T0] Freeing SMP alternatives memory: 124K [ 88.149156][ T0] pid_max: default: 32768 minimum: 301 [ 88.169305][ T0] LSM: Security Framework initializing [ 88.189336][ T0] landlock: Up and running. [ 88.199155][ T0] Yama: becoming mindful. [ 88.209330][ T0] TOMOYO Linux initialized [ 88.219136][ T0] AppArmor: AppArmor initialized [ 88.219205][ T0] LSM support for eBPF active [ 88.243599][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc) [ 88.263903][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc) [ 88.279252][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 88.289378][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 88.329377][ T1] APIC calibration not co