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-rw-r--r--source3/nsswitch/libwbclient/wbc_sid.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/source3/nsswitch/libwbclient/wbc_sid.c b/source3/nsswitch/libwbclient/wbc_sid.c
index eb115e1297..f3d58960f2 100644
--- a/source3/nsswitch/libwbclient/wbc_sid.c
+++ b/source3/nsswitch/libwbclient/wbc_sid.c
@@ -141,9 +141,13 @@ wbcErr wbcStringToSid(const char *str,
while (sid->num_auths < WBC_MAXSUBAUTHS) {
if ((x=(uint32_t)strtoul(p, &q, 10)) == 0)
break;
+ if (q == NULL) {
+ wbc_status = WBC_ERR_INVALID_SID;
+ BAIL_ON_WBC_ERROR(wbc_status);
+ }
sid->sub_auths[sid->num_auths++] = x;
- if (q && ((*q!='-') || (*q=='\0')))
+ if ((*q!='-') || (*q=='\0'))
break;
p = q + 1;
}