Messages in this thread Patch in this message | | | From | Hans de Goede <> | Subject | [PATCH 5.4 regression fix] x86/boot: Provide memzero_explicit | Date | Mon, 7 Oct 2019 10:55:01 +0200 |
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The purgatory code now uses the shared lib/crypto/sha256.c sha256 implementation. This needs memzero_explicit, implement this.
Reported-by: Arvind Sankar <nivedita@alum.mit.edu> Fixes: 906a4bb97f5d ("crypto: sha256 - Use get/put_unaligned_be32 to get input, memzero_explicit") Signed-off-by: Hans de Goede <hdegoede@redhat.com> --- arch/x86/boot/compressed/string.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/arch/x86/boot/compressed/string.c b/arch/x86/boot/compressed/string.c index 81fc1eaa3229..511332e279fe 100644 --- a/arch/x86/boot/compressed/string.c +++ b/arch/x86/boot/compressed/string.c @@ -50,6 +50,11 @@ void *memset(void *s, int c, size_t n) return s; } +void memzero_explicit(void *s, size_t count) +{ + memset(s, 0, count); +} + void *memmove(void *dest, const void *src, size_t n) { unsigned char *d = dest; -- 2.23.0
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