https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=97c3835a0301dba7148348d1569151cf00deb617
commit 97c3835a0301dba7148348d1569151cf00deb617 Author: Corinna Vinschen <[email protected]> AuthorDate: Wed Jan 15 11:01:11 2025 +0100 Commit: Corinna Vinschen <[email protected]> CommitDate: Wed Jan 15 12:27:03 2025 +0100 Cygwin: get_posix_access: accomodate owner==group in default:group perms When generating a default:group (Windows: CREATOR GROUP) ACL entry, make sure to copy over user perms to the new default group entry. Fixes: bc444e5aa4ca ("Reapply POSIX ACL changes.") Signed-off-by: Corinna Vinschen <[email protected]> Diff: --- winsup/cygwin/sec/acl.cc | 3 +++ 1 file changed, 3 insertions(+) diff --git a/winsup/cygwin/sec/acl.cc b/winsup/cygwin/sec/acl.cc index 77d24a2b17cf..a73fae3389ed 100644 --- a/winsup/cygwin/sec/acl.cc +++ b/winsup/cygwin/sec/acl.cc @@ -1069,6 +1069,9 @@ get_posix_access (PSECURITY_DESCRIPTOR psd, lacl[pos].a_type = DEF_GROUP_OBJ; lacl[pos].a_id = gid; lacl[pos].a_perm = lacl[1].a_perm; + /* If owner == group, the owner perms should be used. */ + if (owner_eq_group) + lacl[pos].a_perm |= lacl[0].a_perm; /* Note the position of the DEF_GROUP_OBJ entry. */ def_pgrp_pos = pos; aclsid[pos] = well_known_creator_group_sid;
