From 00f50518f232c758855ac9884a841f707f41a301 Mon Sep 17 00:00:00 2001
From: "Cho, Yu-Chen" <acho@suse.com>
Date: Thu, 3 May 2018 18:52:19 +0800
Subject: [PATCH BlueZ] tool/hcidump: Fix memory leak with malformed packet

The Supported Commands is a 64 octet bit field.
Do not allow to read more then the size.
---
 tools/parser/csr.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/parser/csr.c b/tools/parser/csr.c
index a0a4eb5fe..2d3db878a 100644
--- a/tools/parser/csr.c
+++ b/tools/parser/csr.c
@@ -145,6 +145,11 @@ static inline void commands_dump(int level, char *str, struct frame *frm)
 	unsigned char commands[64];
 	unsigned int i;
 
+	if (frm->len > 64) {
+		perror("Read failed");
+		exit(1);
+	}
+
 	memcpy(commands, frm->ptr, frm->len);
 
 	p_indent(level, frm);
-- 
2.16.3