From 9adc98352da188a19a7a15f88845cf60b9b3ae60 Mon Sep 17 00:00:00 2001
From: safocl <safocl88@gmail.com>
Date: Thu, 30 Jan 2025 04:33:00 +0400
Subject: [PATCH] fix: use of uninitialized memory

int selected[NPAT];
[...]
fill_buffer([...], selected);
->[...]
if (pat_no % npasses == 0) {
    for (i = 0; i < NPAT; i++) {
	selected[i] = 0;
    }
} -> false
[...]
if (selected[i] == 0) // access to uninitialized memory!!!
---
 ntfsprogs/ntfswipe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ntfsprogs/ntfswipe.c b/ntfsprogs/ntfswipe.c
index ef67101e..f852ea1e 100644
--- a/ntfsprogs/ntfswipe.c
+++ b/ntfsprogs/ntfswipe.c
@@ -1722,7 +1722,7 @@ static int destroy_record(ntfs_volume *nv, const s64 record,
 	unsigned long int pass, i;
 	s64 j;
 	unsigned char * a_offset;
-	int selected[NPAT];
+	int selected[NPAT] = {0};
 
 	file = (struct ufile *) malloc(sizeof(struct ufile));
 	if (file == NULL) {