Best approach to explore the linux source code

[Kenneth Adam Miller]

Well, if you really only want to find bugs in kernel code (specifically
linux drivers) there was a recent white paper that came out that used
Dynamo Rio to instrument and analyze the kernel. You can (I think) trigger
simulated events to the kernel and compose a sort of fuzzing environment
against any given kernel code.

The problem with Dynamo Rio is there's currently really no Pin++, so if you
were to wish for something like a mature taint analysis or symbolic
emulation (or whatever else...) facilities that you can embed within your
own custom analyses it would be a costly manual labor operation.

On Sat, Aug 15, 2015 at 1:17 PM, <victorascroft at gmail.com> wrote:

> On 15-08-15 12:28:06, Umair Khan wrote:
> > Hi everyone,
> >
> > I'm a final year undergraduate student. I've been spending a lot of
> > time with OS books these days.
> > I've been reading about the internals of the Linux kernel and drivers
> > in the books. But, I've never really seen them in action except the
> > drivers. Hacking a driver is easy.
>
> Hacking a driver is easy? :)
>
> >
> > Is there any good approach/tutorial to walk me through the source code
> > of the kernel ?
>
> There is only one approach to understanding any code. Reading the code
> and understanding how different things interact. If you have doubts
> you can always ask here.
>
> Read Linux Device Drivers? Though that will still not prepare you
> for actual code. Eudyptula Challenge?
>
> >
> > Also, I'm using a self built linux kernel 4.2 on my laptop. Is there
> > any way that I can contribute upstream to the kernel. I'm using 4.2 in
> > the hope to find bugs in driver stuffs. I haven't found any yet.
>
> http://lxr.free-electrons.com/source/Documentation/SubmittingDrivers
> http://lxr.free-electrons.com/source/Documentation/SubmittingPatches
>
> Just running the kernel might not always point out bugs.
>
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