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-rw-r--r--nsswitch/libwbclient/wbc_sid.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/nsswitch/libwbclient/wbc_sid.c b/nsswitch/libwbclient/wbc_sid.c
index b3a683ddb5..63d566fa9f 100644
--- a/nsswitch/libwbclient/wbc_sid.c
+++ b/nsswitch/libwbclient/wbc_sid.c
@@ -714,8 +714,17 @@ wbcErr wbcListGroups(const char *domain_name,
next = (const char *)response.extra_data.data;
while (next) {
- const char *current = next;
- char *k = strchr(next, ',');
+ const char *current;
+ char *k;
+
+ if (num_groups >= response.data.num_entries) {
+ wbc_status = WBC_ERR_INVALID_RESPONSE;
+ goto done;
+ }
+
+ current = next;
+ k = strchr(next, ',');
+
if (k) {
k[0] = '\0';
next = k+1;
@@ -726,10 +735,6 @@ wbcErr wbcListGroups(const char *domain_name,
groups[num_groups] = strdup(current);
BAIL_ON_PTR_ERROR(groups[num_groups], wbc_status);
num_groups += 1;
- if (num_groups > response.data.num_entries) {
- wbc_status = WBC_ERR_INVALID_RESPONSE;
- goto done;
- }
}
if (num_groups != response.data.num_entries) {
wbc_status = WBC_ERR_INVALID_RESPONSE;