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authorWei Jia <wjia@google.com>2015-08-16 17:41:50 -0700
committerWolfgang Wiedmeyer <wolfgit@wiedmeyer.de>2015-10-19 02:40:08 +0200
commit9343dc079d25d194738eabe5e1ca3166417c531f (patch)
tree2a04a2f7f2079f2df00a634d2d5e8e6bf27a9177 /media/libstagefright
parente33fadf02a9d08f71086bd4f1487c0571c828fa2 (diff)
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libstagefright: check remaining data size before parsing it.
Bug: 23248776 Change-Id: I45cf53e58e4375afcf260b122264c968ec0ff6c8 (cherry picked from commit 3bf1e0fdf27e1188b8d3574ed073595b8eacb114) Tested-by: Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de>
Diffstat (limited to 'media/libstagefright')
-rw-r--r--media/libstagefright/id3/ID3.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/media/libstagefright/id3/ID3.cpp b/media/libstagefright/id3/ID3.cpp
index 93176c5..112f136 100644
--- a/media/libstagefright/id3/ID3.cpp
+++ b/media/libstagefright/id3/ID3.cpp
@@ -498,6 +498,9 @@ void ID3::Iterator::getstring(String8 *id, bool otherdata) const {
return;
}
+ if (mFrameSize < getHeaderLength() + 1) {
+ return;
+ }
size_t n = mFrameSize - getHeaderLength() - 1;
if (otherdata) {
// skip past the encoding, language, and the 0 separator