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GNU C Library master sources branch master updated. glibc-2.26.9000-1054-gdbba87d
- From: ldv at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 1 Jan 2018 20:42:54 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.26.9000-1054-gdbba87d
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=dbba87d531ad3ea372eba6cb56436a231ca7fb32
commit dbba87d531ad3ea372eba6cb56436a231ca7fb32
Author: Dmitry V. Levin <ldv@altlinux.org>
Date: Wed Dec 27 22:12:51 2017 +0000
elf: check for rpath emptiness before making a copy of it
* elf/dl-load.c (decompose_rpath): Check for rpath emptiness before
making a copy of it.
diff --git a/ChangeLog b/ChangeLog
index 22a4a9f..1dd4b86 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2018-01-01 Dmitry V. Levin <ldv@altlinux.org>
+
+ * elf/dl-load.c (decompose_rpath): Check for rpath emptiness before
+ making a copy of it.
+
2018-01-01 Joseph Myers <joseph@codesourcery.com>
* manual/texinfo.tex: Update to version 2017-12-26.21 with
diff --git a/elf/dl-load.c b/elf/dl-load.c
index d9ec49d..7554a99 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -499,7 +499,6 @@ decompose_rpath (struct r_search_path_struct *sps,
{
/* Make a copy we can work with. */
const char *where = l->l_name;
- char *copy;
char *cp;
struct r_search_path_elem **result;
size_t nelems;
@@ -538,22 +537,21 @@ decompose_rpath (struct r_search_path_struct *sps,
while (*inhp != '\0');
}
+ /* Ignore empty rpaths. */
+ if (*rpath == '\0')
+ {
+ sps->dirs = (struct r_search_path_elem **) -1;
+ return false;
+ }
+
/* Make a writable copy. */
- copy = __strdup (rpath);
+ char *copy = __strdup (rpath);
if (copy == NULL)
{
errstring = N_("cannot create RUNPATH/RPATH copy");
goto signal_error;
}
- /* Ignore empty rpaths. */
- if (*copy == 0)
- {
- free (copy);
- sps->dirs = (struct r_search_path_elem **) -1;
- return false;
- }
-
/* Count the number of necessary elements in the result array. */
nelems = 0;
for (cp = copy; *cp != '\0'; ++cp)
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 5 +++++
elf/dl-load.c | 18 ++++++++----------
2 files changed, 13 insertions(+), 10 deletions(-)
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