I am Dave Jing Tian, an Assistant Professor in the Department of Computer Science at Purdue University working on system security. My research involves embedded systems, operating systems, and trusted computing. All opinions are my own.
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Author Archives: daveti
Syzkaller  starts to support USB fuzzing recently and has already found over 80 bugs within the Linux kernel . Almost every fuzzing expert whom I talked to has started to apply their fuzzing techniques to USB because of the … Continue reading
One of the exciting things Intel has brought to RSA 2019 is Intel SGX Card . Yet there is not much information about this coming hardware. This post collects some related documentation from Intel and speculates what could happen within … Continue reading
Whether you need to implement a kernel rootkit or inspect syscalls for intrusion detection, in a lot of cases, you might need to hijack syscall in a kernel module. This post summorizes detailed procedures and provides a working example for … Continue reading
This post talks about 3 commits I have recently added into my own valgrind tree , including the support for fsgsbase instructions, rdrand/rdseed instructions, and adding a new trapdoor (client request) to support gdb-like add-symbol-file command. Note that all these … Continue reading