Potential glibc 2.43 regression on big-endian targets

[John Paul Adrian Glaubitz]

On Sat, 2026-08-22 at 16:23 -0300, Adhemerval Zanella Netto wrote:
> I run tests on powerpc64/powerpc32 from time to time on cfarm121 and I haven't
> see any other than the usual regressions [1][2]. Did it started with 2.43?

Yes, I'm quite confident that it started with 2.43.

> Does it still happens on master?

I cannot say. Building and installing glibc from git master isn't trivial
on Debian. Also, the glibc 2.44 package currently doesn't build on sparc64
due to a testsuite failure, I will report that one [1]:

+---------------------------------------------------------------------+
| Passed regression testing.  Give yourself a hearty pat on the back. |
+---------------------------------------------------------------------+
touch /build/reproducible-path/glibc-2.44/stamp-dir/check_sparc
CHECK SUMMARY
check for check_sparc passed
check for check_libc failed
  FAIL: posix/tst-chmod
make: *** [debian/rules.d/build.mk:210: build-arch-post-check] Error 1

> Do we have any other extra information of
> why malloc has failed?

Unfortunately not.

Adrian

> [1] https://buildd.debian.org/status/fetch.php?pkg=glibc&arch=sparc64&ver=2.44-1&stamp=1786387173&raw=0

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913