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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
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