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082bc48c32
https://review.lineageos.org/q/topic:P_asb_2022-05 https://review.lineageos.org/q/topic:P_asb_2022-06 https://review.lineageos.org/q/topic:P_asb_2022-07 https://review.lineageos.org/q/topic:P_asb_2022-08 https://review.lineageos.org/q/topic:P_asb_2022-09 https://review.lineageos.org/q/topic:P_asb_2022-10 https://review.lineageos.org/q/topic:P_asb_2022-11 https://review.lineageos.org/q/topic:P_asb_2022-12 https://review.lineageos.org/q/topic:P_asb_2023-01 https://review.lineageos.org/q/topic:P_asb_2023-02 https://review.lineageos.org/q/topic:P_asb_2023-03 https://review.lineageos.org/q/topic:P_asb_2023-04 https://review.lineageos.org/q/topic:P_asb_2023-05 https://review.lineageos.org/q/topic:P_asb_2023-06 https://review.lineageos.org/q/topic:P_asb_2023-07 accounted for via manifest change: https://review.lineageos.org/c/LineageOS/android_external_freetype/+/361250 https://review.lineageos.org/q/topic:P_asb_2023-08 accounted for via manifest change: https://review.lineageos.org/c/LineageOS/android_external_freetype/+/364606 accounted for via patches: https://review.lineageos.org/c/LineageOS/android_system_ca-certificates/+/365328 https://review.lineageos.org/q/topic:P_asb_2023-09 https://review.lineageos.org/q/topic:P_asb_2023-10 https://review.lineageos.org/q/topic:P_asb_2023-11 accounted for via patches: https://review.lineageos.org/c/LineageOS/android_system_ca-certificates/+/374916 https://review.lineageos.org/q/topic:P_asb_2023-12 https://review.lineageos.org/q/topic:P_asb_2024-01 https://review.lineageos.org/q/topic:P_asb_2024-02 https://review.lineageos.org/q/topic:P_asb_2024-03 https://review.lineageos.org/q/topic:P_asb_2024-04 Signed-off-by: Tavi <tavi@divested.dev>
33 lines
1.2 KiB
Diff
33 lines
1.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Ted Wang <tedwang@google.com>
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Date: Thu, 4 Aug 2022 09:41:24 +0800
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Subject: [PATCH] Add length check when copy AVDTP packet
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Bug: 232023771
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Test: make
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Tag: #security
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Ignore-AOSP-First: Security
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Change-Id: I68dd78c747eeafee5190dc56d7c71e9eeed08a5b
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Merged-In: I68dd78c747eeafee5190dc56d7c71e9eeed08a5b
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(cherry picked from commit 07cc1fe9b4523f95c13c247a795bdf0b36a1aa4f)
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Merged-In: I68dd78c747eeafee5190dc56d7c71e9eeed08a5b
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---
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stack/avdt/avdt_msg.cc | 4 ++++
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1 file changed, 4 insertions(+)
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diff --git a/stack/avdt/avdt_msg.cc b/stack/avdt/avdt_msg.cc
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index cf517d125..e1ba9aefb 100644
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--- a/stack/avdt/avdt_msg.cc
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+++ b/stack/avdt/avdt_msg.cc
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@@ -1223,6 +1223,10 @@ BT_HDR* avdt_msg_asmbl(AvdtpCcb* p_ccb, BT_HDR* p_buf) {
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* would have allocated smaller buffer.
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*/
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p_ccb->p_rx_msg = (BT_HDR*)osi_malloc(BT_DEFAULT_BUFFER_SIZE);
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+ if (sizeof(BT_HDR) + p_buf->offset + p_buf->len > BT_DEFAULT_BUFFER_SIZE) {
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+ android_errorWriteLog(0x534e4554, "232023771");
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+ return NULL;
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+ }
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memcpy(p_ccb->p_rx_msg, p_buf, sizeof(BT_HDR) + p_buf->offset + p_buf->len);
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/* Free original buffer */
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