[LTP] [RFC PATCH] LTP Wrapper for Syzkaller reproducers

[Dmitry Vyukov]

On Wed, Oct 9, 2019 at 8:04 PM Cyril Hrubis <chrubis@suse.cz> wrote:
>
> Hi!
> > > Indeed, it's removed recursively by the test library.
> >
> > :popcorn:
> >
> > It took me several years to figure out how to more or less reliably
> > remove dirs after the fuzzer ;)
> > (no, unlink won't do ;))
>
> I guess that there are things such as immutable file attributes that has
> to be cleared and many more. Do you have piece of code somewhere that we
> can look into to spare us from reinventing the wheel?

Here is what we have:
https://github.com/google/syzkaller/blob/c4b9981b5f5b70dc03eb3f76c618398510101a1d/executor/common_linux.h#L2358-L2461
Maybe it can be simplified, but that's what we ended up with after
some organic evolution. At least the comments may give some hints as
to what may go wrong.