From af29d9066927814afde9e7b08d0f02339071815b Mon Sep 17 00:00:00 2001
From: Peter Michael Green <plugwash@raspbian.org>
Date: Wed, 1 Apr 2020 18:53:42 +0100
Subject: [PATCH] Disable call to SplineFontFree in _MergeFont

works around use after  free bug (see debian bug 948876) at the cost of
probablly causing a memory leak.

Gbp-Pq: Name 4000-use-after-free-hack.patch
---
 fontforge/fvfonts.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fontforge/fvfonts.c b/fontforge/fvfonts.c
index b54e40e..d276b86 100644
--- a/fontforge/fvfonts.c
+++ b/fontforge/fvfonts.c
@@ -1157,8 +1157,8 @@ static void _MergeFont(SplineFont *into,SplineFont *other,struct sfmergecontext
     free(mapping);
     GlyphHashFree(into);
     MergeFixupRefChars(into);
-    if ( other->fv==NULL )
-	SplineFontFree(other);
+//    if ( other->fv==NULL )
+//	SplineFontFree(other);
     into->changed = true;
     FontViewReformatAll(into);
     GlyphHashFree(into);
-- 
2.30.2