From e27175c7c8cdfeb4e28d4ff21eb51aa003d70a03 Mon Sep 17 00:00:00 2001
From: Kamil Dudka <kdudka@redhat.com>
Date: Wed, 7 Nov 2018 14:04:55 +0100
Subject: [PATCH] 43789: possible use after free clearing up math func from
 module

---
 ChangeLog    | 3 +++
 Src/module.c | 2 --
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 009c33e30..343038997 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2018-11-09  Peter Stephenson  <p.stephenson@samsung.com>
 
+	* 43789: Kamil: Src/module.c: possible use after free handling
+	math functions from module.
+
 	* 43792: Kamil: Src/exec.c: file descriptor could leak on fork error.
 
 	* 43793: Kamil: Src/Zle/computil.c: could overrun buffer by 1 byte.
diff --git a/Src/module.c b/Src/module.c
index 4ae78310f..33d75ebbd 100644
--- a/Src/module.c
+++ b/Src/module.c
@@ -1390,8 +1390,6 @@ setmathfuncs(char const *nam, MathFunc f, int size, int *e)
 	    if (deletemathfunc(f)) {
 		zwarnnam(nam, "math function `%s' already deleted", f->name);
 		ret = 1;
-	    } else {
-		f->flags &= ~MFF_ADDED;
 	    }
 	}
 	f++;