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| author | Peter Zhu <peter@peterzhu.ca> | 2023-01-16 09:32:37 -0500 |
|---|---|---|
| committer | Peter Zhu <peter@peterzhu.ca> | 2023-01-17 04:51:15 -0500 |
| commit | ed6fbb79e19bf401db0e85447fee955fd10a25c7 (patch) | |
| tree | 3db8408167871d7a674ee6ce788a01510ee17d9f /vm_insnhelper.c | |
| parent | f8249eb49a2c3763f27c989eea0d19370dbf7c7b (diff) | |
| download | ruby-ed6fbb79e19bf401db0e85447fee955fd10a25c7.tar.gz | |
Fix crash when defining ivars on special constants
[Bug #19339]
Diffstat (limited to 'vm_insnhelper.c')
| -rw-r--r-- | vm_insnhelper.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/vm_insnhelper.c b/vm_insnhelper.c index 9c2947523c..29753f1800 100644 --- a/vm_insnhelper.c +++ b/vm_insnhelper.c @@ -1562,6 +1562,11 @@ vm_getinstancevariable(const rb_iseq_t *iseq, VALUE obj, ID id, IVC ic) static inline void vm_setinstancevariable(const rb_iseq_t *iseq, VALUE obj, ID id, VALUE val, IVC ic) { + if (RB_SPECIAL_CONST_P(obj)) { + rb_error_frozen_object(obj); + return; + } + shape_id_t dest_shape_id; attr_index_t index; vm_ic_atomic_shape_and_index(ic, &dest_shape_id, &index); |