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35 lines
1.5 KiB
Diff
35 lines
1.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Haripriya Deshmukh <haripriya.deshmukh@ittiam.com>
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Date: Tue, 5 Dec 2023 18:32:38 +0000
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Subject: [PATCH] Fix out of bounds read and write in onQueueFilled in outQueue
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Bug: 276442130
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Test: POC in bug descriptions
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(cherry picked from https://partner-android-review.googlesource.com/q/commit:7aef41e59412e2f95bab5de7e33f5f04bb808643)
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(cherry picked from commit 8f4cfda9fc75f1e9ba3b6dee3fbffda4b6111d64)
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(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:208e430bc6380fafafca8041b239f835263a9d47)
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Merged-In: Ic230d10048193a785f185dc6a7de6f455f9318c1
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Change-Id: Ic230d10048193a785f185dc6a7de6f455f9318c1
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---
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media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp | 7 +++++--
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1 file changed, 5 insertions(+), 2 deletions(-)
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diff --git a/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp b/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp
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index 411a251d15..b14890300e 100644
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--- a/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp
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+++ b/media/libstagefright/codecs/m4v_h263/dec/SoftMPEG4.cpp
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@@ -316,8 +316,11 @@ void SoftMPEG4::onQueueFilled(OMX_U32 /* portIndex */) {
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outHeader->nFilledLen = frameSize;
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List<BufferInfo *>::iterator it = outQueue.begin();
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- while ((*it)->mHeader != outHeader) {
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- ++it;
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+ while (it != outQueue.end() && (*it)->mHeader != outHeader) {
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+ ++it;
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+ }
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+ if (it == outQueue.end()) {
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+ return;
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}
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BufferInfo *outInfo = *it;
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