[PATCH BlueZ] tool/hcidump: Fix memory leak with malformed packet

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Fix memory leak with malformed packet.
---
 tools/parser/l2cap.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/tools/parser/l2cap.c b/tools/parser/l2cap.c
index a05796482..8b550f270 100644
--- a/tools/parser/l2cap.c
+++ b/tools/parser/l2cap.c
@@ -1557,6 +1557,12 @@ void l2cap_dump(int level, struct frame *frm)
 		hdr  = frm->ptr;
 		dlen = btohs(hdr->len);
 
+		if ((dlen + L2CAP_HDR_SIZE) > (int) frm->len) {
+			/* malformed frame */
+			perror("Read Error");
+			return;
+		}
+
 		if (dlen + L2CAP_HDR_SIZE < (int) frm->len) {
 			/* invalid frame */
 			raw_dump(level,frm);
-- 
2.16.2

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