STINNER Victor <vstin...@python.org> added the comment:
> Moreover, on Linux, getgrouplist() can also fail with -1 if the group list is > too small. In that case, ngroups is updated to the number of groups and so > can be used to enlarge the list! I tested by manually initializing ngroups to a value way lower than MAX_GROUPS (65536 on my Fedora 31): os.getgrouplist() raises OSError() with a random errno, getgrouplist() doesn't set errno on failure. I wrote PR 19126 to fix the issue on all platforms. The glibc implementation is detected and used: use updated ngroups value (only if it's larger). ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue40014> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
