From: Christian Goeschel Ndjomouo <cgoesc2@wgu.edu>
Date: Thu, 25 Dec 2025 15:19:20 +0000 (-0500)
Subject: readprofile: fix memory leak related to boot_uname_r_str() in usage()
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0d5793ec573108ca912097933ed8a987716e5134;p=thirdparty%2Futil-linux.git

readprofile: fix memory leak related to boot_uname_r_str() in usage()

Signed-off-by: Christian Goeschel Ndjomouo <cgoesc2@wgu.edu>
---

diff --git a/sys-utils/readprofile.c b/sys-utils/readprofile.c
index 3c200cf4d..0165a3373 100644
--- a/sys-utils/readprofile.c
+++ b/sys-utils/readprofile.c
@@ -91,6 +91,7 @@ static char *boot_uname_r_str(void)
 static void __attribute__((__noreturn__)) usage(void)
 {
 	FILE *out = stdout;
+	char *mapfile = boot_uname_r_str();
 	fputs(USAGE_HEADER, out);
 	fprintf(out, _(" %s [options]\n"), program_invocation_short_name);
 
@@ -100,7 +101,7 @@ static void __attribute__((__noreturn__)) usage(void)
 	fputs(USAGE_OPTIONS, out);
 	fprintf(out,
 	      _(" -m, --mapfile <mapfile>   (defaults: \"%s\" and\n"
-	        "                                      \"%s\")\n"), defaultmap, boot_uname_r_str());
+	        "                                      \"%s\")\n"), defaultmap, mapfile);
 	fprintf(out,
 	      _(" -p, --profile <pro-file>  (default:  \"%s\")\n"), defaultpro);
 	fputs(_(" -M, --multiplier <mult>   set the profiling multiplier to <mult>\n"), out);
@@ -114,6 +115,7 @@ static void __attribute__((__noreturn__)) usage(void)
 	fputs(USAGE_SEPARATOR, out);
 	fprintf(out, USAGE_HELP_OPTIONS(27));
 	fprintf(out, USAGE_MAN_TAIL("readprofile(8)"));
+	free(mapfile);
 	exit(EXIT_SUCCESS);
 }