Search Results for author: Xiangzhe Xu

Found 6 papers, 4 papers with code

When Dataflow Analysis Meets Large Language Models

no code implementations16 Feb 2024 Chengpeng Wang, Wuqi Zhang, Zian Su, Xiangzhe Xu, Xiaoheng Xie, Xiangyu Zhang

Dataflow analysis is a powerful code analysis technique that reasons dependencies between program values, offering support for code optimization, program comprehension, and bug detection.

Hallucination

Nova$^+$: Generative Language Models for Binaries

no code implementations22 Nov 2023 Nan Jiang, Chengxiao Wang, Kevin Liu, Xiangzhe Xu, Lin Tan, Xiangyu Zhang

We build Nova$^+$ to further boost Nova using two new pre-training tasks, i. e., optimization generation and optimization level prediction, which are designed to learn binary optimization and align equivalent binaries.

Code Translation Compiler Optimization +2

Detecting Backdoors in Pre-trained Encoders

1 code implementation CVPR 2023 Shiwei Feng, Guanhong Tao, Siyuan Cheng, Guangyu Shen, Xiangzhe Xu, Yingqi Liu, Kaiyuan Zhang, Shiqing Ma, Xiangyu Zhang

We show the effectiveness of our method on image encoders pre-trained on ImageNet and OpenAI's CLIP 400 million image-text pairs.

Self-Supervised Learning

BEAGLE: Forensics of Deep Learning Backdoor Attack for Better Defense

1 code implementation16 Jan 2023 Siyuan Cheng, Guanhong Tao, Yingqi Liu, Shengwei An, Xiangzhe Xu, Shiwei Feng, Guangyu Shen, Kaiyuan Zhang, QiuLing Xu, Shiqing Ma, Xiangyu Zhang

Attack forensics, a critical counter-measure for traditional cyber attacks, is hence of importance for defending model backdoor attacks.

Backdoor Attack

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