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-rw-r--r--variable.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/variable.c b/variable.c
index f219acd..0f6fba0 100644
--- a/variable.c
+++ b/variable.c
@@ -1173,6 +1173,10 @@ rb_ivar_set(VALUE obj, ID id, VALUE val)
iv_index_tbl->num_entries < (st_index_t)newsize) {
newsize = iv_index_tbl->num_entries;
}
+
+ /* never happens in practice: */
+ if (newsize > INT_MAX) rb_memerror();
+
if (RBASIC(obj)->flags & ROBJECT_EMBED) {
newptr = ALLOC_N(VALUE, newsize);
MEMCPY(newptr, ptr, VALUE, len);