* Paul Eggert: > On 1/22/20 2:05 PM, Rich Felker wrote: >> I think we're approaching a consensus that glibc should fix this too, >> so then it would just be gnulib matching the fix. > > I installed the attached patch to Gnulib in preparation for the upcoming > glibc fix. The patch causes fchmodat with AT_SYMLINK_NOFOLLOW to work on > non-symlinks, and similarly for lchmod on non-symlinks. The idea is to > avoid this sort of problem in the future, and to let Coreutils etc. work > on older platforms as if glibc 2.32 (or whatever) is already in place.
The lchmod implementation based on /proc tickles an XFS bug: <https://sourceware.org/ml/libc-alpha/2020-02/msg00467.html>