Fuzz testing (or fuzzing) is a software testing technique that involves passing invalid or random data to a program and observing the results, such as crashes or other failures. Bamvor Jian Zhang of Huawei, who will be speaking at LinuxCon Europe, realized that existing fuzz testing tools — such as trinity — can generate random or boundary values for syscall parameters and inject them into the kernel, but they don’t validate whether the results of those syscalls are correct.
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