Merge pull request #292 from sumitrai/TMF_OVERFLOW_DATA_SIZE_CRASH

lib/iser.c: fix overflow_data_size NULL ptr dereference
2019-11-01 07:30:19 +10:00
parent f6770178f9 a664ca8c43
commit 88f67e8cf8
1 changed files with 3 additions and 0 deletions
--- a/lib/iser.c
+++ b/lib/iser.c
@@ -624,6 +624,9 @@ overflow_data_size(struct iser_pdu *iser_pdu)
 {
 	int data_size;

+    if (!iser_pdu->iscsi_pdu.scsi_cbdata.task) {
+        return 0;
+    }
 	data_size = iser_pdu->iscsi_pdu.scsi_cbdata.task->expxferlen;

 	return (data_size > DATA_BUFFER_SIZE);