From 780ef2fce411ad58dc057db322909ba48fdb9410 Mon Sep 17 00:00:00 2001
From: Christopher Haster <chaster@utexas.edu>
Date: Fri, 12 Apr 2019 08:41:42 -0500
Subject: [PATCH] Fixed buffer overflow due to mistaking prog_size for
 cache_size

found by ajaybhargav
---
 lfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lfs.c b/lfs.c
index 99ab36e..c55cb3d 100644
--- a/lfs.c
+++ b/lfs.c
@@ -29,7 +29,7 @@ static inline void lfs_cache_drop(lfs_t *lfs, lfs_cache_t *rcache) {
 
 static inline void lfs_cache_zero(lfs_t *lfs, lfs_cache_t *pcache) {
     // zero to avoid information leak
-    memset(pcache->buffer, 0xff, lfs->cfg->prog_size);
+    memset(pcache->buffer, 0xff, lfs->cfg->cache_size);
     pcache->block = 0xffffffff;
 }