Messages in this thread Patch in this message | | | Date | Tue, 14 Sep 2021 03:41:48 +0300 | From | Panin Kirill <> | Subject | [PATCH] L2CAP receive buffer overflow |
| |
From 716e6b5b15eb5d7f87c799b545aeb5188128c36f Mon Sep 17 00:00:00 2001 From: Kirill Panin <s02200455@stud.cs.msu.ru> Date: Tue, 14 Sep 2021 02:41:58 +0300 Subject: [PATCH] Increase L2CAP default MTU.
Some Android devices transmit packets with length bigger than MTU. For more information refer to: https://github.com/anonymix007/libldacdec/issues/1 Changes: Increase default MTU up to 688
Signed-off-by: Kirill Panin <s02200455@stud.cs.msu.ru> --- include/net/bluetooth/l2cap.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index 3c4f550e5a8b..db2a4ebc375b 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -31,7 +31,7 @@ #include <linux/atomic.h>
/* L2CAP defaults */ -#define L2CAP_DEFAULT_MTU 672 +#define L2CAP_DEFAULT_MTU 688 #define L2CAP_DEFAULT_MIN_MTU 48 #define L2CAP_DEFAULT_FLUSH_TO 0xFFFF #define L2CAP_EFS_DEFAULT_FLUSH_TO 0xFFFFFFFF -- 2.20.1
| |