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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: Brian Delwiche <delwiche@google.com>
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Date: Tue, 27 Sep 2022 22:05:08 +0000
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Subject: [PATCH] Add bounds check in avdt_scb_act.cc
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Bug: 242535997
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Test: BT unit tests, validated against researcher POC
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Tag: #security
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Ignore-AOSP-First: Security
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Change-Id: I3b982e5d447cb98ad269b3da3d7d591819b2e4e4
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(cherry picked from commit eca4a3cdb0da240496341f546a57397434ec85dd)
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Merged-In: I3b982e5d447cb98ad269b3da3d7d591819b2e4e4
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---
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stack/avdt/avdt_scb_act.cc | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/stack/avdt/avdt_scb_act.cc b/stack/avdt/avdt_scb_act.cc
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index 31745bb2f..ce53c45eb 100644
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--- a/stack/avdt/avdt_scb_act.cc
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+++ b/stack/avdt/avdt_scb_act.cc
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@@ -977,6 +977,11 @@ void avdt_scb_hdl_write_req(AvdtpScb* p_scb, tAVDT_SCB_EVT* p_data) {
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/* Build a media packet, and add an RTP header if required. */
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if (add_rtp_header) {
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+ if (p_data->apiwrite.p_buf->offset < AVDT_MEDIA_HDR_SIZE) {
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+ android_errorWriteWithInfoLog(0x534e4554, "242535997", -1, NULL, 0);
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+ return;
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+ }
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+
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ssrc = avdt_scb_gen_ssrc(p_scb);
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p_data->apiwrite.p_buf->len += AVDT_MEDIA_HDR_SIZE;
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