1 files changed, 1 insertions, 0 deletions
diff --git a/signal.c b/signal.c
index 6f2fb1ddd3..6d711fc30d 100644
--- a/signal.c
+++ b/signal.c
@@ -853,6 +853,7 @@ check_stack_overflow(int sig, const uintptr_t addr, const ucontext_t *ctx)
              * otherwise it can cause stack overflow again at the same
              * place. */
             if ((crit = (!ec->tag->prev || !--uplevel)) != FALSE) break;
+            rb_vm_tag_jmpbuf_deinit(&ec->tag->buf);
             ec->tag = ec->tag->prev;
         }
         reset_sigmask(sig);