On 2025-12-12 20:27, Collin Funk wrote:
A recent glibc bug made it not okay, but we check for it in Gnulib
Yes, my guess is that Matteo is dealing with an older Coreutils that lacks Gnulib's August workaround[1] for the glibc bug. We decided to work around the glibc bug in Gnulib rather than in cat, as we don't want to patch every program that uses copy_file_range.
[1]: https://cgit.git.savannah.gnu.org/cgit/gnulib.git/commit/?id=948ba80168293e3d8a905eeffb0ab61424c4c374
