!435 elf: Fix use-after-free in ldconfig [BZ #26779]

From: @xujing99 
Reviewed-by: @liqingqing_1229 
Signed-off-by: @liqingqing_1229

backport-elf-Fix-use-after-free-in-ldconfig-BZ-26779.patch

@@ -0,0 +1,31 @@
+From 03ad86880f68f498ee04e9ea84cd4f0d14473970 Mon Sep 17 00:00:00 2001
+From: Martin Sebor <msebor@redhat.com>
+Date: Tue, 25 Jan 2022 17:37:56 -0700
+Subject: [PATCH] elf: Fix use-after-free in ldconfig [BZ #26779]
+
+Conflict:NA
+Reference:https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=03ad86880f68f498ee04e9ea84cd4f0d14473970
+
+Reviewed-by: Carlos O'Donell <carlos@redhat.com>
+---
+ elf/ldconfig.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/elf/ldconfig.c b/elf/ldconfig.c
+index d14633f5ec..57bb95ebc3 100644
+--- a/elf/ldconfig.c
++++ b/elf/ldconfig.c
+@@ -735,9 +735,9 @@ manual_link (char *library)
+   create_links (real_path, path, libname, soname);
+   free (soname);
+ out:
+-  free (path);
+   if (path != real_path)
+     free (real_path);
++  free (path);
+ }
+ 
+ 
+-- 
+2.23.0
+

glibc.spec

@@ -66,7 +66,7 @@
 ##############################################################################
 Name: 	 	glibc
 Version: 	2.34
-Release: 	80
+Release: 	81
 Summary: 	The GNU libc libraries
 License:	%{all_license}
 URL: 		http://www.gnu.org/software/glibc/
@@ -220,6 +220,7 @@ Patch132: elf-Fix-initial-exec-TLS-access-on-audit-modules-BZ-.patch
 Patch133: posix-glob.c-update-from-gnulib.patch
 Patch134: linux-Fix-fchmodat-with-AT_SYMLINK_NOFOLLOW-for-64-b.patch
 Patch135: linux-Fix-posix_spawn-return-code-if-clone-fails-BZ-.patch
+Patch136: backport-elf-Fix-use-after-free-in-ldconfig-BZ-26779.patch
 
 Patch9000: turn-default-value-of-x86_rep_stosb_threshold_form_2K_to_1M.patch
 Patch9001: delete-no-hard-link-to-avoid-all_language-package-to.patch 
@@ -1388,6 +1389,9 @@ fi
 %endif
 
 %changelog
+* Fri May 20 2022 xujing <xujing125@huawei.com> - 2.34-81
+- elf: Fix use-after-free in ldconfig [BZ #26779]
+
 * Sat May 7 2022 Qingqing Li <liqingqing3@huawei.com> - 2.34-80
 - linux: Fix posix_spawn return code if clone fails (BZ#29109)