https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=70f63608699321fed8e3501469e5a8a3c416186d
commit 70f63608699321fed8e3501469e5a8a3c416186d Author: Ken Brown <[email protected]> Date: Wed Feb 10 21:15:20 2021 -0500 Cygwin: fstat_helper: always use handle in call to get_file_attribute Previously, the call to get_file_attribute for FIFOs set the first argument to NULL instead of the handle h returned by get_stat_handle, thereby forcing the file to be opened for fetching the security descriptor in get_file_sd(). This was done because h might have been a pipe handle rather than a file handle, and its permissions would not necessarily reflect those of the file. That situation can no longer occur with the new fhandler_fifo::fstat introduced in the previous commit. Diff: --- winsup/cygwin/fhandler_disk_file.cc | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/winsup/cygwin/fhandler_disk_file.cc b/winsup/cygwin/fhandler_disk_file.cc index ef9171bbf..6170427b0 100644 --- a/winsup/cygwin/fhandler_disk_file.cc +++ b/winsup/cygwin/fhandler_disk_file.cc @@ -475,8 +475,7 @@ fhandler_base::fstat_helper (struct stat *buf) else if (pc.issocket ()) buf->st_mode = S_IFSOCK; - if (!get_file_attribute (is_fs_special () && !pc.issocket () ? NULL : h, pc, - &buf->st_mode, &buf->st_uid, &buf->st_gid)) + if (!get_file_attribute (h, pc, &buf->st_mode, &buf->st_uid, &buf->st_gid)) { /* If read-only attribute is set, modify ntsec return value */ if (::has_attribute (attributes, FILE_ATTRIBUTE_READONLY)
