diff options
| -rw-r--r-- | libavformat/aviobuf.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/aviobuf.c b/libavformat/aviobuf.c index 29d4bd7510..33bc3c2e20 100644 --- a/libavformat/aviobuf.c +++ b/libavformat/aviobuf.c @@ -1062,6 +1062,9 @@ int ffio_ensure_seekback(AVIOContext *s, int64_t buf_size) if (buf_size <= s->buf_end - s->buf_ptr) return 0; + if (buf_size > INT_MAX - max_buffer_size) + return AVERROR(EINVAL); + buf_size += max_buffer_size - 1; if (buf_size + s->buf_ptr - s->buffer <= s->buffer_size || s->seekable || !s->read_packet) |