From e07ebc52b93594a7f94055648bea47197ee88c28 Mon Sep 17 00:00:00 2001
From: Matheus <matheusuky@gmail.com>
Date: Sat, 9 Sep 2023 13:29:36 -0300
Subject: [PATCH] block: zero kernel addresses on ioctl

---
 kernel-src/io/block/block.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/kernel-src/io/block/block.c b/kernel-src/io/block/block.c
index ed9a23d2..3965099a 100644
--- a/kernel-src/io/block/block.c
+++ b/kernel-src/io/block/block.c
@@ -141,6 +141,9 @@ static int ioctl(int minor, unsigned long request, void *arg, int *result) {
 	switch (request) {
 		case BLOCK_IOCTL_GETDESC:
 			*(blockdesc_t *)arg = *desc;
+			((blockdesc_t *)arg)->write = NULL;
+			((blockdesc_t *)arg)->read = NULL;
+			((blockdesc_t *)arg)->private = NULL;
 			break;
 		default:
 			ret = ENOTTY;