X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fafb-trace.c;h=e7ae9fc0bf8ec84eded8ac8e2fef984edb99bfa9;hb=65141ebcb134f670a87233a88b8d51e4a671272e;hp=dd6e863cc0e98d46da820b2407e539eac33280ca;hpb=1e1d181ac5226b2e1b26192d36e13b5a44148139;p=src%2Fapp-framework-binder.git

diff --git a/src/afb-trace.c b/src/afb-trace.c
index dd6e863c..e7ae9fc0 100644
--- a/src/afb-trace.c
+++ b/src/afb-trace.c
@@ -687,10 +687,12 @@ static void hook_api_rootdir_get_fd(void *closure, const struct afb_hookid *hook
 {
 	char path[PATH_MAX], proc[100];
 	const char *key, *val;
+	ssize_t s;
 
 	if (result >= 0) {
 		snprintf(proc, sizeof proc, "/proc/self/fd/%d", result);
-		readlink(proc, path, sizeof path);
+		s = readlink(proc, path, sizeof path);
+		path[s < 0 ? 0 : s >= sizeof path ? sizeof path - 1 : s] = 0;
 		key = "path";
 		val = path;
 	} else {
@@ -705,10 +707,12 @@ static void hook_api_rootdir_open_locale(void *closure, const struct afb_hookid
 {
 	char path[PATH_MAX], proc[100];
 	const char *key, *val;
+	ssize_t s;
 
 	if (result >= 0) {
 		snprintf(proc, sizeof proc, "/proc/self/fd/%d", result);
-		readlink(proc, path, sizeof path);
+		s = readlink(proc, path, sizeof path);
+		path[s < 0 ? 0 : s >= sizeof path ? sizeof path - 1 : s] = 0;
 		key = "path";
 		val = path;
 	} else {