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| author | NARUSE, Yui <naruse@airemix.jp> | 2023-01-20 17:01:47 +0900 |
|---|---|---|
| committer | NARUSE, Yui <naruse@airemix.jp> | 2023-01-20 17:01:47 +0900 |
| commit | c0df0a85dec77a09308caddb1e1efd4d38fbf7b8 (patch) | |
| tree | 22b9b873051b85c2016c37c65132566fb9a9f179 /vm_insnhelper.c | |
| parent | 373e62248c9dceb660e95f1cf05fa2a4a469cd64 (diff) | |
merge revision(s) ed6fbb79e19bf401db0e85447fee955fd10a25c7: [Backport #19339]
Fix crash when defining ivars on special constants
[Bug #19339]
---
test/ruby/test_variable.rb | 6 ++++++
vm_insnhelper.c | 5 +++++
2 files changed, 11 insertions(+)
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 aa5e565f10..f9b91a0102 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); |