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[PATCH 1/7] grub-core/loader/i386/bsd.c: Fix uninitialized scalar variab


From: Alec Brown
Subject: [PATCH 1/7] grub-core/loader/i386/bsd.c: Fix uninitialized scalar variable
Date: Tue, 15 Mar 2022 16:24:03 -0400

In the function grub_netbsd_setup_video(), struct grub_netbsd_btinfo_framebuf
params is called but isn't being initialized. To prevent contents of this
structure from being filled with junk data from the stack, we can initialize it 
to 0
by setting params to {}.

Fixes: CID 375026

Signed-off-by: Alec Brown <alec.r.brown@oracle.com>
---
 grub-core/loader/i386/bsd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grub-core/loader/i386/bsd.c b/grub-core/loader/i386/bsd.c
index 5f3290ce1..b99344556 100644
--- a/grub-core/loader/i386/bsd.c
+++ b/grub-core/loader/i386/bsd.c
@@ -929,7 +929,7 @@ grub_netbsd_setup_video (void)
   struct grub_video_mode_info mode_info;
   void *framebuffer;
   const char *modevar;
-  struct grub_netbsd_btinfo_framebuf params;
+  struct grub_netbsd_btinfo_framebuf params = {};
   grub_err_t err;
   grub_video_driver_id_t driv_id;
 
-- 
2.27.0




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