From: Andreas Schwab <schwab@suse.de>
Date: Tue, 16 May 2023 12:41:46 +0000 (+0200)
Subject: rtld: properly handle root directory in load path (bug 30435)
X-Git-Tag: glibc-2.38~201
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e0189b25403f8b67e7a5513d6c33fb09cb2e5e20;p=thirdparty%2Fglibc.git

rtld: properly handle root directory in load path (bug 30435)

Don't strip the trailing slash when checking for existence of a load path
element to handle the special case of the root directory.
---

diff --git a/elf/dl-load.c b/elf/dl-load.c
index 39c63ff1b36..2aa487b49ac 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -1859,7 +1859,7 @@ open_path (const char *name, size_t namelen, int mode,
 		     test whether there is any directory at all.  */
 		  struct __stat64_t64 st;
 
-		  buf[buflen - namelen - 1] = '\0';
+		  buf[buflen - namelen] = '\0';
 
 		  if (__stat64_time64 (buf, &st) != 0
 		      || ! S_ISDIR (st.st_mode))