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-rw-r--r--util/kconfig/zconf.l3
1 files changed, 2 insertions, 1 deletions
diff --git a/util/kconfig/zconf.l b/util/kconfig/zconf.l
index 0b45c19db9..f2636d2955 100644
--- a/util/kconfig/zconf.l
+++ b/util/kconfig/zconf.l
@@ -273,7 +273,8 @@ FILE *zconf_fopen(const char *name)
if (!f && name != NULL && name[0] != '/') {
env = getenv(SRCTREE);
if (env) {
- sprintf(fullname, "%s/%s", env, name);
+ snprintf(fullname, sizeof(fullname),
+ "%s/%s", env, name);
f = fopen(fullname, "r");
}
}