From 2a68cd492e91692f33425d02e7a0dcb24e06efc9 Mon Sep 17 00:00:00 2001
From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Sun, 27 Dec 2020 15:46:00 +0100
Subject: [PATCH] efi_loader: avoid invalid free

load_options passed from do_efibootmgr() to do_bootefi_exec() may contain
invalid data from the stack which will lead to an invalid free().

Fixes: 0ad64007feb9 ("efi_loader: set load options in boot manager")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
 lib/efi_loader/efi_bootmgr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/efi_loader/efi_bootmgr.c b/lib/efi_loader/efi_bootmgr.c
index 61dc72a23d..d3be2f94c6 100644
--- a/lib/efi_loader/efi_bootmgr.c
+++ b/lib/efi_loader/efi_bootmgr.c
@@ -275,7 +275,7 @@ static efi_status_t try_load_entry(u16 n, efi_handle_t *handle,
 		memcpy(*load_options, lo.optional_data, size);
 		ret = efi_set_load_options(*handle, size, *load_options);
 	} else {
-		load_options = NULL;
+		*load_options = NULL;
 	}
 
 error:
-- 
2.39.5