DivestOS/Patches/LineageOS-11.0/android_external_libvpx/253499.patch

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From 2acc89d321bf0d1ea4bc08bc4620f165cb7e65f3 Mon Sep 17 00:00:00 2001
From: Frank Galligan <fgalligan@google.com>
Date: Fri, 10 May 2019 17:42:46 -0700
Subject: [PATCH] Check there is only one settings per ContentCompression
This fixes a memory leak with invalid files.
BUG: 127702368
Merged-In: Id7de1f8c35ef2f6458c6fb6c7751a84fe43ed1cc
Change-Id: I73bd34e212d74ffcf8d428e01b5269037147bf8c
(cherry picked from commit 0fbbf3c3e05647aa10174a1876e02ba6a2ec631d)
---
libwebm/mkvparser.cpp | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libwebm/mkvparser.cpp b/libwebm/mkvparser.cpp
index f0cd97f..e65e9c7 100644
--- a/libwebm/mkvparser.cpp
+++ b/libwebm/mkvparser.cpp
@@ -4284,6 +4284,12 @@ long ContentEncoding::ParseCompressionEntry(long long start, long long size,
return status;
}
+ // There should be only one settings element per content compression.
+ if (compression->settings != NULL) {
+ delete[] buf;
+ return E_FILE_FORMAT_INVALID;
+ }
+
compression->settings = buf;
compression->settings_len = buflen;
}