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| author | nagachika <nagachika@ruby-lang.org> | 2024-10-18 13:03:48 +0900 |
|---|---|---|
| committer | nagachika <nagachika@ruby-lang.org> | 2024-10-18 13:57:08 +0900 |
| commit | 087e4ed6cc9da9cfca1a107058905446ff474bd1 (patch) | |
| tree | f373e3b5c6f9d955b43f73c96fc082116a1e4ea9 /io_buffer.c | |
| parent | d85516eab59f932d65283572d0b9090005f60c20 (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 c276838a3b..87b51c0b8c 100644 --- a/io_buffer.c +++ b/io_buffer.c @@ -1340,7 +1340,8 @@ 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!"); } |