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| author | Takashi Kokubun <takashikkbn@gmail.com> | 2024-11-04 14:39:22 -0800 |
|---|---|---|
| committer | Takashi Kokubun <takashikkbn@gmail.com> | 2024-11-04 14:39:22 -0800 |
| commit | 5ce0ba0d415deb99527c409cc5f1df16ce02ef3e (patch) | |
| tree | 7c4586b19092feafa35a6f1724a4e65eb0df268e /io_buffer.c | |
| parent | 12ea98e8c8af0ed6778aad26e7ec5f95e2c239e5 (diff) | |
merge revision(s) 35e124832e29b65c84d4e0e4e434616859f9bdf5: [Backport #20755]
[Bug #20755] Frozen string should not be writable via IO::Buffer
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 6e313d02e4..ea46b149f6 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!"); } |