diff options
| -rw-r--r-- | sound/core/compress_offload.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index 49a44d761..ab2d0ee74 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -468,6 +468,11 @@ static int snd_compr_allocate_buffer(struct snd_compr_stream *stream, unsigned int buffer_size; void *buffer; + /* check for integer overflows */ + if(params->buffer.fragment_size == 0 || + params->buffer.fragments > SIZE_MAX / params->buffer.fragment_size) + return -EINVAL; + buffer_size = params->buffer.fragment_size * params->buffer.fragments; if (stream->ops->copy) { buffer = NULL; |