gentoo-overlay/dev-lang/luajit/files/CVE-2020-15890.patch

From 53f82e6e2e858a0a62fd1a2ff47e9866693382e6 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Sun, 12 Jul 2020 14:30:34 +0200
Subject: [PATCH] Fix frame traversal for __gc handler frames.

Reported by Changochen.
---
 src/lj_err.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lj_err.c b/src/lj_err.c
index caa7487f2..e3e0c2eb7 100644
--- a/src/lj_err.c
+++ b/src/lj_err.c
@@ -529,6 +529,7 @@ static ptrdiff_t finderrfunc(lua_State *L)
       if (cframe_canyield(cf)) return 0;
       if (cframe_errfunc(cf) >= 0)
 	return cframe_errfunc(cf);
+      cf = cframe_prev(cf);
       frame = frame_prevd(frame);
       break;
     case FRAME_PCALL: