From c7ada53d4e610dd601bbc7025164a386ec2ffe02 Mon Sep 17 00:00:00 2001
From: Fabian Druschke <fabian@knogle.industries>
Date: Tue, 26 Mar 2024 13:28:10 -0300
Subject: [PATCH] Fixed memory leak in line 328, writing 1 byte beyond
 allocated memory.

---
 src/pass.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pass.c b/src/pass.c
index 9c730da..fc48ac1 100644
--- a/src/pass.c
+++ b/src/pass.c
@@ -324,7 +324,7 @@ int nwipe_random_pass( NWIPE_METHOD_SIGNATURE )
         /* For the first block only, check the prng actually wrote something to the buffer */
         if( z == c->device_size )
         {
-            idx = c->device_stat.st_blksize;
+            idx = c->device_stat.st_blksize - 1;
             while( idx > 0 )
             {
                 if( b[idx] != 0 )