diff options
Diffstat (limited to 'io_buffer.c')
| -rw-r--r-- | io_buffer.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/io_buffer.c b/io_buffer.c index d987b8fa38..6b5d5ee714 100644 --- a/io_buffer.c +++ b/io_buffer.c @@ -1156,6 +1156,9 @@ VALUE rb_io_buffer_free_locked(VALUE self) static inline void io_buffer_validate_range(struct rb_io_buffer *buffer, size_t offset, size_t length) { + if (offset > buffer->size) { + rb_raise(rb_eArgError, "Specified offset exceeds buffer size!"); + } if (offset + length > buffer->size) { rb_raise(rb_eArgError, "Specified offset+length exceeds buffer size!"); } |