from Hacker News

Google Develops KFuzzTest for Fuzzing Internal Linux Kernel Functions

by westurner on 8/24/25, 3:58 AM with 3 comments

  • by westurner on 8/24/25, 4:05 AM

    From the linked LKML post:

    > To demonstrate this framework's viability, support for KFuzzTest has been prototyped in a development fork of syzkaller, enabling coverage-guided fuzzing. To validate its end-to-end effectiveness, we performed an experiment by manually introducing an off-by-one buffer over-read into [...]

    "kfuzztest: a new kernel fuzzing framework" (2025-08) https://lwn.net/Articles/1033619/

  • by tonetegeatinst on 8/24/25, 4:01 AM

    I am confused, is KFuzzTest an OSS tool, or just a name for some feature they pushed into the kernal that is proprietary?