Re: [COMMITTED 2.34 0/2] Improve aligned_alloc and calloc test coverage

["Miguel Martín" <mmartinv@redhat.com>]

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On Tue, 2024-05-21 at 12:43 +0200, Florian Weimer wrote:
> * Miguel Martin via Libc-stable:
> 
> > From: Miguel Martín <mmartinv@redhat.com>
> > 
> > Backports to improve aligned_alloc and calloc test coverage in
> > glibc 2.34:
> > 
> > DJ Delorie (1):
> >   aligned_alloc: conform to C17
> > 
> > Joe Simmons-Talbott (1):
> >   malloc: Improve aligned_alloc and calloc test coverage.
> 
> As far as I can see, none of these patches have actually been
> committed
> (pushed to the official repository).
> 
> Thanks,
> Florian
> 

Both are in master and the first one has been already backported to
release/2.39/master:

git branch --contains d1417176a35d27ffb8da0ffb1e33154163b6eeb2
  master
  release/2.39/master

git show -s d1417176a35d27ffb8da0ffb1e33154163b6eeb2
commit d1417176a35d27ffb8da0ffb1e33154163b6eeb2
Author: DJ Delorie <dj@redhat.com>
Date:   Tue Mar 21 00:46:43 2023 -0400

    aligned_alloc: conform to C17
    
    This patch adds the strict checking for power-of-two alignments
    in aligned_alloc(), and updates the manual accordingly.
    
    Reviewed-by: Carlos O'Donell <carlos@redhat.com>

git branch --contains 3395157ff2b0657d70c36169156f67440205c8bf
  master

git show -s 3395157ff2b0657d70c36169156f67440205c8bf
commit 3395157ff2b0657d70c36169156f67440205c8bf
Author: Joe Simmons-Talbott <josimmon@redhat.com>
Date:   Tue May 14 14:36:50 2024 +0000

    malloc: Improve aligned_alloc and calloc test coverage.
    
    Add a DSO (malloc/tst-aligned_alloc-lib.so) that can be used during
    testing to interpose malloc with a call that randomly uses either
    aligned_alloc, __libc_malloc, or __libc_calloc in the place of    
malloc.
    Use LD_PRELOAD with the DSO to mirror malloc/tst-malloc.c testing 
as an
    example in malloc/tst-malloc-random.c.  Add malloc/tst-aligned-   
alloc-random.c
    as another example that does a number of malloc calls with randomly
sized,
    but limited to 0xffff, requests.
    
    The intention is to be able to utilize existing malloc testing to 
ensure
    that similar allocation APIs are also exposed to the same rigors.
    
    Reviewed-by: DJ Delorie <dj@redhat.com>



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