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vm.c: create break object before clearing GC arena.

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Otherwise it possibly cause use-after-free.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2022-04-04 12:26:52 +09:00
parent 8aec568fc5
commit 3cf291f722
1 changed files with 1 additions and 1 deletions
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src/vm.c
+1 -1
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@@ -2268,9 +2268,9 @@ RETRY_TRY_BLOCK:
}
if (ci->cci > CINFO_NONE) {
ci = cipop(mrb);
mrb->exc = (struct RObject*)break_new(mrb, RBREAK_TAG_BREAK, proc, v);
mrb_gc_arena_restore(mrb, ai);
mrb->c->vmexec = FALSE;
mrb->exc = (struct RObject*)break_new(mrb, RBREAK_TAG_BREAK, proc, v);
mrb->jmp = prev_jmp;
MRB_THROW(prev_jmp);
}