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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>
42 lines
1.6 KiB
Diff
42 lines
1.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Hui Peng <phui@google.com>
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Date: Tue, 16 May 2023 21:24:07 +0000
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Subject: [PATCH] Fix an integer overflow bug in avdt_msg_asmbl
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This is a backport of
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Iaa4d603921fc4ffb8cfb5783f99ec0963affd6a2
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to rvc-dev
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Bug: 280633699
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Test: manual
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Ignore-AOSP-First: security
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Tag: #security
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(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:26347d4bdba646bbba4d27337d2888a04de42639)
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Merged-In: Iaa4d603921fc4ffb8cfb5783f99ec0963affd6a2
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Change-Id: Iaa4d603921fc4ffb8cfb5783f99ec0963affd6a2
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---
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stack/avdt/avdt_msg.cc | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/stack/avdt/avdt_msg.cc b/stack/avdt/avdt_msg.cc
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index 453e18642..3576b74e6 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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@@ -1261,14 +1261,14 @@ BT_HDR* avdt_msg_asmbl(AvdtpCcb* p_ccb, BT_HDR* p_buf) {
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* NOTE: The buffer is allocated above at the beginning of the
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* reassembly, and is always of size BT_DEFAULT_BUFFER_SIZE.
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*/
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- uint16_t buf_len = BT_DEFAULT_BUFFER_SIZE - sizeof(BT_HDR);
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+ size_t buf_len = BT_DEFAULT_BUFFER_SIZE - sizeof(BT_HDR);
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/* adjust offset and len of fragment for header byte */
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p_buf->offset += AVDT_LEN_TYPE_CONT;
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p_buf->len -= AVDT_LEN_TYPE_CONT;
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/* verify length */
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- if ((p_ccb->p_rx_msg->offset + p_buf->len) > buf_len) {
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+ if (((size_t) p_ccb->p_rx_msg->offset + (size_t) p_buf->len) > buf_len) {
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/* won't fit; free everything */
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AVDT_TRACE_WARNING("%s: Fragmented message too big!", __func__);
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osi_free_and_reset((void**)&p_ccb->p_rx_msg);
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