From e0388e6c00866c9ee1c7c9aab8a3ba9e15186b5c Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Sun, 8 Dec 2019 19:32:27 +0100
Subject: Fix stack check when recording BC_VARG.

Contributed by Yichun Zhang.
---
 src/lj_record.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/lj_record.c b/src/lj_record.c
index bc4e8a6d..651bbf55 100644
--- a/src/lj_record.c
+++ b/src/lj_record.c
@@ -1602,6 +1602,8 @@ static void rec_varg(jit_State *J, BCReg dst, ptrdiff_t nresults)
       lj_trace_err_info(J, LJ_TRERR_NYIBC);
     }
   }
+  if (J->baseslot + J->maxslot >= LJ_MAX_JSLOTS)
+    lj_trace_err(J, LJ_TRERR_STACKOV);
 }
 
 /* -- Record allocations -------------------------------------------------- */
-- 
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