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From: Alan Modra <amodra@gmail.com>
Date: Mon, 20 Jun 2022 01:09:31 +0000 (+0930)
Subject: PR29262, memory leak in pr_function_type
X-Git-Tag: binutils-2_39~224
X-Git-Url: https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=0d02e70b197c786f26175b9a73f94e01d14abdab
PR29262, memory leak in pr_function_type
PR 29262
* prdbg.c (pr_function_type): Free "s" on failure path.
Upstream-Status: Backport [https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff_plain;h=0d02e70b197c786f26175b9a73f94e01d14abdab]
CVE: CVE-2022-47010
Signed-off-by: Sanjana Venkatesh <Sanjana.Venkatesh@windriver.com>
---
diff --git a/binutils/prdbg.c b/binutils/prdbg.c
index c1e41628d26..bb42a5b6c2d 100644
--- a/binutils/prdbg.c
+++ b/binutils/prdbg.c
@@ -742,12 +742,9 @@ pr_function_type (void *p, int argcount, bool varargs)
strcat (s, ")");
- if (! substitute_type (info, s))
- return false;
-
+ bool ret = substitute_type (info, s);
free (s);
-
- return true;
+ return ret;
}
/* Turn the top type on the stack into a reference to that type. */
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