DivestOS/Patches/LineageOS-16.0/android_system_bt/381894.patch
Tavi d90b84321d
16.0: February ASB work
Signed-off-by: Tavi <tavi@divested.dev>
2024-02-09 00:32:24 -05:00

45 lines
1.6 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Hui Peng <phui@google.com>
Date: Wed, 29 Nov 2023 00:53:33 +0000
Subject: [PATCH] Fix an OOB bug in btif_to_bta_response and
attp_build_value_cmd
this is a backport of Iefa66f3a293ac2072ba79853a9ec23cdfe4c1368
Bug: 276898739
Test: manual
Tag: #security
Ignore-AOSP-First: security
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:138120c65f9b5a03d462d01da9c5c7f71c875e1e)
Merged-In: Ia13e47e416d43243e90fb1430f65ae68c50f9ff3
Change-Id: Ia13e47e416d43243e90fb1430f65ae68c50f9ff3
---
btif/src/btif_gatt_util.cc | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/btif/src/btif_gatt_util.cc b/btif/src/btif_gatt_util.cc
index 16f227511..a0798df15 100644
--- a/btif/src/btif_gatt_util.cc
+++ b/btif/src/btif_gatt_util.cc
@@ -18,6 +18,8 @@
#define LOG_TAG "bt_btif_gatt"
+#include <algorithm>
+
#include "btif_gatt_util.h"
#include <errno.h>
@@ -48,9 +50,9 @@ using bluetooth::Uuid;
void btif_to_bta_response(tGATTS_RSP* p_dest, btgatt_response_t* p_src) {
p_dest->attr_value.auth_req = p_src->attr_value.auth_req;
p_dest->attr_value.handle = p_src->attr_value.handle;
- p_dest->attr_value.len = p_src->attr_value.len;
+ p_dest->attr_value.len = std::min<uint16_t>(p_src->attr_value.len, GATT_MAX_ATTR_LEN);
p_dest->attr_value.offset = p_src->attr_value.offset;
- memcpy(p_dest->attr_value.value, p_src->attr_value.value, GATT_MAX_ATTR_LEN);
+ memcpy(p_dest->attr_value.value, p_src->attr_value.value, p_dest->attr_value.len);
}
/*******************************************************************************