File _service:obs_scm:backport-Fix-segfault-when-pas... of Package efibootmgr

File _service:obs_scm:backport-Fix-segfault-when-passed-index-is-greater-than-curre.patch of Package efibootmgr

From 4a8d9c69050bd01a0be66695fea3b35b72f5a425 Mon Sep 17 00:00:00 2001
From: kamillo <kamilgolunski@gmail.com>
Date: Fri, 17 Feb 2023 22:02:22 +0100
Subject: [PATCH] Fix segfault when passed --index is greater than current
 boot order size

Size of the order entry size (uint16_t) hasn't been taken into account for all calculations and caused memory corruption.

Signed-off-by: kamillo <kamilgolunski@gmail.com>
---
 src/efibootmgr.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/efibootmgr.c b/src/efibootmgr.c
index 255f61f..ded21a1 100644
--- a/src/efibootmgr.c
+++ b/src/efibootmgr.c
@@ -420,8 +420,8 @@ add_to_order(const char *name, uint16_t num, uint16_t insert_at)
 		return -1;
 
 	if (insert_at != 0) {
-		if (insert_at > order->data_size)
-			insert_at = order->data_size;
+		if (insert_at * sizeof(uint16_t) > order->data_size)
+			insert_at = order->data_size / sizeof(uint16_t);
 		memcpy(new_data, old_data, insert_at * sizeof(uint16_t));
 	}
 	new_data[insert_at] = num;
-- 
2.27.0