During the last two years, KMSAN (a detector of uses of uninitialized
memory based on compiler instrumentation) has found more than a
hundred bugs in the upstream kernel.
We'll discuss the current status of the tool, some of its findings and
implementation challenges. Ideally, I'd like to get more people to
look at the code, as finding bugs in particular subsystems may require
deeper knowledge of those subsystems.
Another thing that'll be covered is the new stack and heap
initialization features that will hopefully prevent most of the bugs
related to uninitialized memory in the kernel.
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