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Commit ed6937ae authored by Christopher Tate's avatar Christopher Tate Committed by android-build-merger
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Correct overflow check in Parcel resize code 

am: 8b64307e

Change-Id: I371fb7c6aaf34d44d69c740eea95fe3ba125164a
parents e5c91fe2 8b64307e

libs/binder/Parcel.cpp

+3 −1
Original line number Diff line number Diff line
@@ -438,7 +438,8 @@ status_t Parcel::appendFrom(const Parcel *parcel, size_t offset, size_t len) 
    if (numObjects > 0) {

        // grow objects

        if (mObjectsCapacity < mObjectsSize + numObjects) {

            int newSize = ((mObjectsSize + numObjects)*3)/2;

            size_t newSize = ((mObjectsSize + numObjects)*3)/2;

            if (newSize*sizeof(binder_size_t) < mObjectsSize) return NO_MEMORY;   // overflow

            binder_size_t *objects =

                (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t));

            if (objects == (binder_size_t*)0) {
@@ -941,6 +942,7 @@ restart_write: 
    }

    if (!enoughObjects) {

        size_t newSize = ((mObjectsSize+2)*3)/2;

        if (newSize*sizeof(binder_size_t) < mObjectsSize) return NO_MEMORY;   // overflow

        binder_size_t* objects = (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t));

        if (objects == NULL) return NO_MEMORY;

        mObjects = objects;