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Programming errors, defective hardware components (such as hard disk spindle defects), and environmental hazards can lead to invalid memory operations. In addition, less predictable forms of environmental stress, such as radiation, thermal…

密码学与安全 · 计算机科学 2026-01-27 Alon Hillel-Tuch , Aspen Olmstead

Typical LiDAR SLAM architectures feature a front-end for odometry estimation and a back-end for refining and optimizing the trajectory and map, commonly through loop closures. However, loop closure detection in large-scale missions presents…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Nikolaos Stathoulopoulos , Christoforos Kanellakis , George Nikolakopoulos

Recent studies have numerically demonstrated the possible advantages of the asynchronous non-orthogonal multiple access (ANOMA) over the conventional synchronous non-orthogonal multiple access (NOMA). The ANOMA makes use of the oversampling…

信息论 · 计算机科学 2019-02-22 Xun Zou , Biao He , Hamid Jafarkhani

Modern operating systems (OSes) have unfettered access to application data, assuming that applications trust them. This assumption, however, is problematic under many scenarios where either the OS provider is not trustworthy or the OS can…

操作系统 · 计算机科学 2022-12-27 Caihua Li , Seung-seob Lee , Min Hong Yun , Lin Zhong

Graph topology is a fundamental determinant of memory leakage in multi-agent LLM systems, yet its effects remain poorly quantified. We introduce MAMA (Multi-Agent Memory Attack), a framework that measures how network structure shapes…

密码学与安全 · 计算机科学 2026-01-13 Jinbo Liu , Defu Cao , Yifei Wei , Tianyao Su , Yuan Liang , Yushun Dong , Yan Liu , Yue Zhao , Xiyang Hu

Memory safety remains a critical and widely violated property in reality. Numerous defense techniques have been proposed and developed but most of them are not applied or enabled by default in production-ready environment due to their…

密码学与安全 · 计算机科学 2021-11-30 Wei Song , Jiameng Ying , Sihao Shen , Boya Li , Hao Ma , Peng Liu

Modern operating systems provide powerful mandatory access control mechanisms, yet they largely reason about who executes code rather than how execution originates. As a result, processes launched remotely, locally, or by background…

密码学与安全 · 计算机科学 2026-01-21 Omer Abdelmajeed Idris Mohammed , Ilhami M. Orak

Sub/Near-threshold static random-access memory (SRAM) design is crucial for addressing the memory bottleneck in energy-constrained applications. However, the high integration density and reliability under process variations demand an…

硬件体系结构 · 计算机科学 2022-02-25 Shan Shen , Peng Cao , Ming Ling , Longxing Shi

Software Transactional Memory systems (STMs) have garnered significant interest as an elegant alternative for addressing synchronization and concurrency issues with multi-threaded programming in multi-core systems. Client programs use STMs…

分布式、并行与集群计算 · 计算机科学 2019-03-25 Ved Prakash Chaudhary , Chirag Juyal , Sandeep Kulkarni , Sweta Kumari , Sathya Peri

With the recent surge in popularity of LLMs has come an ever-increasing need for LLM safety training. In this paper, we investigate the fragility of SOTA open-source LLMs under simple, optimization-free attacks we refer to as…

密码学与安全 · 计算机科学 2024-05-20 Jason Vega , Isha Chaudhary , Changming Xu , Gagandeep Singh

We report on intermediate results of -- to the best of our knowledge -- the first study of completeness thresholds for (partially) bounded memory safety proofs. Specifically, we consider heap-manipulating programs that iterate over arrays…

计算机科学中的逻辑 · 计算机科学 2023-05-08 Tobias Reinhard , Justus Fasse , Bart Jacobs

The security of billions of devices worldwide depends on the security and robustness of the mainline Linux kernel. However, the increasing number of kernel-specific vulnerabilities, especially memory safety vulnerabilities, shows that the…

密码学与安全 · 计算机科学 2018-10-03 Elena Reshetova , Hans Liljestrand , Andrew Paverd , N. Asokan

The gamut of todays internet-connected embedded devices has led to increased concerns regarding the security and confidentiality of data. Most internet-connected embedded devices employ mathematically secure cryptographic algorithms to…

密码学与安全 · 计算机科学 2025-12-02 Archisman Ghosh

In this paper, a novel uncoordinated random access (URA) protocol is presented to address the pressing demand for massive connectivity with low access latency in future massive machine type communication (mMTC) scenarios. The proposed URA…

信号处理 · 电气工程与系统科学 2025-10-28 Pengyu Gao , Qu Luo , Jing Zhu , Gaojie Chen , Pei Xiao , Chuan Heng Foh

State-of-the-art video object detection methods maintain a memory structure, either a sliding window or a memory queue, to enhance the current frame using attention mechanisms. However, we argue that these memory structures are not…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Guanxiong Sun , Yang Hua , Guosheng Hu , Neil Robertson

The Opportunistic Spectrum Access (OSA) model has been developed for the secondary users (SUs) to exploit the stochastic dynamics of licensed channels for file transfer in an opportunistic manner. Common approaches to design channel sensing…

最优化与控制 · 数学 2022-10-07 Jie Hu , Vishwaraj Doshi , Do Young Eun

An oblivious data structure is a data structure where the memory access patterns reveals no information about the operations performed on it. Such data structures were introduced by Wang et al. [ACM SIGSAC'14] and are intended for…

数据结构与算法 · 计算机科学 2018-10-26 Riko Jacob , Kasper Green Larsen , Jesper Buus Nielsen

Modern interconnects offer remote direct memory access (RDMA) features. Yet, most applications rely on explicit message passing for communications albeit their unwanted overheads. The MPI-3.0 standard defines a programming interface for…

分布式、并行与集群计算 · 计算机科学 2020-07-01 Robert Gerstenberger , Maciej Besta , Torsten Hoefler

Embedded software is developed under the assumption that hardware execution is always correct. Fault attacks break and exploit that assumption. Through the careful introduction of targeted faults, an adversary modifies the control-flow or…

密码学与安全 · 计算机科学 2020-03-25 Bilgiday Yuce , Patrick Schaumont , Marc Witteman

Heap memory errors remain a major source of software vulnerabilities. Existing memory safety defenses aim at protecting all objects, resulting in high performance cost and incomplete protection. Instead, we propose an approach that…

密码学与安全 · 计算机科学 2024-08-21 Kaiming Huang , Mathias Payer , Zhiyun Qian , Jack Sampson , Gang Tan , Trent Jaeger