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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-05 07:59:28 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-09-05 07:59:28 +0200 |
| commit | 35f2e3c267f07a42bc1bf08081e963b3a33e6d7c (patch) | |
| tree | cab274350db930656d6ea9a0c9989f210acf4722 /arch/x86/boot/compressed/sev.c | |
| parent | e4cdd25cafac3f61c74c146db5de7a5c9bd7b6d0 (diff) | |
| parent | 7e18e42e4b280c85b76967a9106a13ca61c16179 (diff) | |
Merge 6.0-rc4 into tty-next
We need the tty/serial fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/boot/compressed/sev.c')
| -rw-r--r-- | arch/x86/boot/compressed/sev.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/boot/compressed/sev.c b/arch/x86/boot/compressed/sev.c index 52f989f6acc2..c93930d5ccbd 100644 --- a/arch/x86/boot/compressed/sev.c +++ b/arch/x86/boot/compressed/sev.c @@ -277,6 +277,14 @@ void sev_enable(struct boot_params *bp) bool snp; /* + * bp->cc_blob_address should only be set by boot/compressed kernel. + * Initialize it to 0 to ensure that uninitialized values from + * buggy bootloaders aren't propagated. + */ + if (bp) + bp->cc_blob_address = 0; + + /* * Setup/preliminary detection of SNP. This will be sanity-checked * against CPUID/MSR values later. */ |