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[PATCH 4/7] grub-core/loader/i386/xnu.c: Fix uninitialized scalar variab
From: |
Alec Brown |
Subject: |
[PATCH 4/7] grub-core/loader/i386/xnu.c: Fix uninitialized scalar variable |
Date: |
Tue, 15 Mar 2022 16:24:06 -0400 |
In the function grub_xnu_boot_resume(), struct grub_relocator32_state state 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
state to {}.
Fixes: CID 375031
Signed-off-by: Alec Brown <alec.r.brown@oracle.com>
---
grub-core/loader/i386/xnu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/grub-core/loader/i386/xnu.c b/grub-core/loader/i386/xnu.c
index a70093607..caab5cfa6 100644
--- a/grub-core/loader/i386/xnu.c
+++ b/grub-core/loader/i386/xnu.c
@@ -805,7 +805,7 @@ grub_cpu_xnu_fill_devicetree (grub_uint64_t *fsbfreq_out)
grub_err_t
grub_xnu_boot_resume (void)
{
- struct grub_relocator32_state state;
+ struct grub_relocator32_state state = {};
state.esp = grub_xnu_stack;
state.ebp = grub_xnu_stack;
--
2.27.0
- [PATCH 0/7] Fix coverity uninitialized scalar variable bugs in grub-core, Alec Brown, 2022/03/15
- [PATCH 3/7] grub-core/net/arp.c: Fix uninitialized scalar variable, Alec Brown, 2022/03/15
- [PATCH 2/7] grub-core/loader/i386/pc/linux.c: Fix uninitialized scalar variable, Alec Brown, 2022/03/15
- [PATCH 7/7] grub-core/net/bootp.c: Fix uninitialized scalar variable, Alec Brown, 2022/03/15
- [PATCH 1/7] grub-core/loader/i386/bsd.c: Fix uninitialized scalar variable, Alec Brown, 2022/03/15
- [PATCH 4/7] grub-core/loader/i386/xnu.c: Fix uninitialized scalar variable,
Alec Brown <=
- [PATCH 5/7] grub-core/net/net.c: Fix uninitialized scalar variable, Alec Brown, 2022/03/15
- [PATCH 6/7] grub-core/loader/i386/xnu.c: Fix uninitialized scalar variable, Alec Brown, 2022/03/15
- Re: [PATCH 0/7] Fix coverity uninitialized scalar variable bugs in grub-core, Darren Kenny, 2022/03/15