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-rw-r--r--common/env_attr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/common/env_attr.c b/common/env_attr.c
index 386219087b..f965b4bbb6 100644
--- a/common/env_attr.c
+++ b/common/env_attr.c
@@ -132,6 +132,10 @@ static int regex_callback(const char *name, const char *attributes, void *priv)
if (slre_match(&slre, cbp->searched_for,
strlen(cbp->searched_for), caps)) {
free(cbp->regex);
+ if (!attributes) {
+ retval = -EINVAL;
+ goto done;
+ }
cbp->regex = malloc(strlen(regex) + 1);
if (cbp->regex) {
strcpy(cbp->regex, regex);