diff options
| author | Nobuyoshi Nakada <[email protected]> | 2024-09-30 22:49:09 +0900 |
|---|---|---|
| committer | Nobuyoshi Nakada <[email protected]> | 2024-10-01 18:46:35 +0900 |
| commit | 35e124832e29b65c84d4e0e4e434616859f9bdf5 (patch) | |
| tree | 4277cdab7ee595540b686afb971a1f17248782fa /io_buffer.c | |
| parent | 3ebc85e240c64849e8645ae9b6242abbd1a2b63a (diff) | |
[Bug #20755] Frozen string should not be writable via IO::Buffer
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/11738
Diffstat (limited to 'io_buffer.c')
| -rw-r--r-- | io_buffer.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/io_buffer.c b/io_buffer.c index 2e789abe0f..cc76f12ecc 100644 --- a/io_buffer.c +++ b/io_buffer.c @@ -843,7 +843,8 @@ rb_io_buffer_get_bytes(VALUE self, void **base, size_t *size) static inline void io_buffer_get_bytes_for_writing(struct rb_io_buffer *buffer, void **base, size_t *size) { - if (buffer->flags & RB_IO_BUFFER_READONLY) { + if (buffer->flags & RB_IO_BUFFER_READONLY || + (!NIL_P(buffer->source) && OBJ_FROZEN(buffer->source))) { rb_raise(rb_eIOBufferAccessError, "Buffer is not writable!"); } |