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32 lines
1.6 KiB
Diff
32 lines
1.6 KiB
Diff
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Songyue Han <songyueh@google.com>
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Date: Tue, 3 Oct 2023 22:40:14 +0000
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Subject: [PATCH] Fix convertYUV420Planar16ToY410 overflow issue for
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unsupported cropwidth.
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Bug: 300476626
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Test: color_conversion_fuzzer
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(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:de2ad0fad97d6d97d1e01f0e8d8309536eb268b4)
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(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:745ab99f7343bc236b88b9d63cd7b06ab192f9e9)
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(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:aa8298ec8eb903e1e3dd915fa24f32e1aea1f76c)
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Merged-In: I8631426188af3c5f9b6c1ff6a0039254c252f733
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Change-Id: I8631426188af3c5f9b6c1ff6a0039254c252f733
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---
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media/libstagefright/colorconversion/ColorConverter.cpp | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/media/libstagefright/colorconversion/ColorConverter.cpp b/media/libstagefright/colorconversion/ColorConverter.cpp
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index a1873bc5c4..94356b0b0c 100644
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--- a/media/libstagefright/colorconversion/ColorConverter.cpp
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+++ b/media/libstagefright/colorconversion/ColorConverter.cpp
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@@ -592,7 +592,8 @@ status_t ColorConverter::convertYUV420Planar16ToY410(
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uint32_t u01, v01, y01, y23, y45, y67, uv0, uv1;
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size_t x = 0;
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- for (; x < src.cropWidth() - 3; x += 4) {
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+ // x % 4 is always 0 so x + 3 will never overflow.
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+ for (; x + 3 < src.cropWidth(); x += 4) {
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u01 = *((uint32_t*)ptr_u); ptr_u += 2;
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v01 = *((uint32_t*)ptr_v); ptr_v += 2;
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