automatic import of glibcopeneuler22.03_LTS_SP4openeuler22.03_LTS_SP3openeuler20.03

1 files changed, 28 insertions, 0 deletions

diff --git a/rtld-copy-terminating-null-in-tunables_strdup-bug-28.patch b/rtld-copy-terminating-null-in-tunables_strdup-bug-28.patch
new file mode 100644
index 0000000..6f73106
--- /dev/null
+++ b/rtld-copy-terminating-null-in-tunables_strdup-bug-28.patch
@@ -0,0 +1,28 @@
+From a4f5a3103fc3e7974dbe35b411cba9f670807cde Mon Sep 17 00:00:00 2001
+From: Andreas Schwab <schwab@linux-m68k.org>
+Date: Mon, 23 Aug 2021 10:19:52 +0200
+Subject: [PATCH] rtld: copy terminating null in tunables_strdup (bug 28256)
+
+Avoid triggering a false positive from valgrind by copying the terminating
+null in tunables_strdup.  At this point the heap is still clean, but
+valgrind is stricter here.
+---
+ elf/dl-tunables.c | 2 --
+ 1 file changed, 2 deletions(-)
+
+diff --git a/elf/dl-tunables.c b/elf/dl-tunables.c
+index 8009e54..1666736 100644
+--- a/elf/dl-tunables.c
++++ b/elf/dl-tunables.c
+@@ -56,8 +56,6 @@ tunables_strdup (const char *in)
+   if (out == (void *)-1)
+     _dl_fatal_printf ("sbrk() failure while processing tunables\n");
+ 
+-  i--;
+-
+   while (i-- > 0)
+     out[i] = in[i];
+ 
+-- 
+1.8.3.1
+