[PATCH BlueZ v2 3/5] tools/isotest: limit the maximum possible data_size

[Roman Smirnov <r.smirnov@xxxxxx>]

It is necessary to prevent the possibility of allocating
a large amount of memory.

Found with the SVACE static analysis tool.
---
 tools/isotest.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/isotest.c b/tools/isotest.c
index c1bb6abd2..2cac0e49c 100644
--- a/tools/isotest.c
+++ b/tools/isotest.c
@@ -51,6 +51,8 @@
 #define DEFAULT_BIG_ID 0x01
 #define DEFAULT_BIS_ID 0x01
 
+#define MAX_DATA_SIZE 0x40000000
+
 /* Test modes */
 enum {
 	SEND,
@@ -1253,7 +1255,7 @@ int main(int argc, char *argv[])
 			break;
 
 		case 'b':
-			if (optarg)
+			if (optarg && atoi(optarg) < MAX_DATA_SIZE)
 				data_size = atoi(optarg);
 			break;
 
-- 
2.43.0