mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
synced 2024-12-14 18:34:30 -05:00
34 lines
1.2 KiB
Diff
34 lines
1.2 KiB
Diff
|
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Ted Wang <tedwang@google.com>
|
||
|
|
Date: Thu, 4 Aug 2022 09:41:24 +0800
|
||
|
|
Subject: [PATCH] Add length check when copy AVDTP packet
|
||
|
|
|
||
|
|
Bug: 232023771
|
||
|
|
Test: make
|
||
|
|
Tag: #security
|
||
|
|
Ignore-AOSP-First: Security
|
||
|
|
Change-Id: I68dd78c747eeafee5190dc56d7c71e9eeed08a5b
|
||
|
|
Merged-In: I68dd78c747eeafee5190dc56d7c71e9eeed08a5b
|
||
|
|
(cherry picked from commit 07cc1fe9b4523f95c13c247a795bdf0b36a1aa4f)
|
||
|
|
Merged-In: I68dd78c747eeafee5190dc56d7c71e9eeed08a5b
|
||
|
|
---
|
||
|
|
stack/avdt/avdt_msg.c | 5 +++++
|
||
|
|
1 file changed, 5 insertions(+)
|
||
|
|
|
||
|
|
diff --git a/stack/avdt/avdt_msg.c b/stack/avdt/avdt_msg.c
|
||
|
|
index 91a58403e..65d4485e7 100644
|
||
|
|
--- a/stack/avdt/avdt_msg.c
|
||
|
|
+++ b/stack/avdt/avdt_msg.c
|
||
|
|
@@ -1411,6 +1411,11 @@ BT_HDR *avdt_msg_asmbl(tAVDT_CCB *p_ccb, BT_HDR *p_buf)
|
||
|
|
* would have allocated smaller buffer.
|
||
|
|
*/
|
||
|
|
p_ccb->p_rx_msg = (BT_HDR *)osi_malloc(BT_DEFAULT_BUFFER_SIZE);
|
||
|
|
+ if (sizeof(BT_HDR) + p_buf->offset + p_buf->len > BT_DEFAULT_BUFFER_SIZE)
|
||
|
|
+ {
|
||
|
|
+ android_errorWriteLog(0x534e4554, "232023771");
|
||
|
|
+ return NULL;
|
||
|
|
+ }
|
||
|
|
memcpy(p_ccb->p_rx_msg, p_buf,
|
||
|
|
sizeof(BT_HDR) + p_buf->offset + p_buf->len);
|
||
|
|
|