Re: [LTP] [PATCH v2] getcwd01: Implement .test_variants

[Wei Gao via ltp <ltp@lists.linux.it>]

On Wed, Jan 03, 2024 at 09:44:25AM +0100, Petr Vorel wrote:
> Hi Cyril, all,
> 
> > Hi!
> > > @Li @Cyril: are you ok to test libc getcwd() wrapper implementations on NULL
> > > buffer in getcwd01.c? Or we just skip NULL buffer test on all libc?
> > > I would be ok to test it, because change in the implementation can influence
> > > lots of user space software, although glibc or any other libc can obviously
> > > change it's behavior.
> 
> > I guess that the easiest solution is to run the test in a child and pass
> > the test both on EFAULT and child being killed by SIGSEGV. Any special
> > cases and ifdefs are assuming something that is not promised and will
> > have to be changed sooner or later.
> 
> Good point. I guess something like testcases/kernel/syscalls/mmap/mmap05.c
> approach right? Wei, could you try that?
Sure! Will check mmap05.c firstly.
> 
> Kind regards,
> Petr

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