Re: LTP: list of failures on 32bit and compat mode

[Cyril Hrubis]

Hi!
> > Thanks! I've just searched in musl as well, because it didn't make sense to me
> > it'd be a code for LTP.
> >
> > "to catch the fault on ltp" I wonder if it's not actually musl bug.
> 
> No, musl is fine here. The problem is that ltp passes an invalid pointer,
> expecting to get -EFAULT from the kernel when that faults in
> copy_to_user().
> 
> There is nothing wrong with musl sanitizing the data behind that
> pointer, but then you get a signal instead of the EFAULT error.

That's actually quite common, usually we fix that by running the test in
a child and treating SEGFAULT as a PASS.

-- 
Cyril Hrubis
chrubis@xxxxxxx