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Check the padded size of the read byte array

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Bug: 13509200
Change-Id: Id93894fcc617ec1cd4ce66921c6e1f1c3cf40b09
This commit is contained in:
Kenny Root 2014-03-17 13:18:16 -07:00
parent f0190bff38
commit 5b61ad2cda
1 changed files with 4 additions and 2 deletions
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6
libs/binder/Parcel.cpp
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@ -908,7 +908,8 @@ void Parcel::remove(size_t start, size_t amt)
status_t Parcel::read(void* outData, size_t len) const
{
if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) {
if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize
&& len <= PAD_SIZE(len)) {
memcpy(outData, mData+mDataPos, len);
mDataPos += PAD_SIZE(len);
ALOGV("read Setting data pos of %p to %d\n", this, mDataPos);
@ -919,7 +920,8 @@ status_t Parcel::read(void* outData, size_t len) const
const void* Parcel::readInplace(size_t len) const
{
if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) {
if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize
&& len <= PAD_SIZE(len)) {
const void* data = mData+mDataPos;
mDataPos += PAD_SIZE(len);
ALOGV("readInplace Setting data pos of %p to %d\n", this, mDataPos);