[PATCH 6/8] Replace memset() with memzero_explicit()
From: Sandy Harris <hidden>
Date: 2021-11-16 11:38:53
Also in:
lkml
Subsystem:
crypto api, the rest · Maintainers:
Herbert Xu, "David S. Miller", Linus Torvalds
Replace memset(address,0,bytes) which may be optimised away with memzero_explicit(address,bytes) which resists such optimisation --- crypto/sha3_generic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/crypto/sha3_generic.c b/crypto/sha3_generic.c
index 3e4069935b53..cfc10dd62e02 100644
--- a/crypto/sha3_generic.c
+++ b/crypto/sha3_generic.c@@ -232,7 +232,7 @@ int crypto_sha3_final(struct shash_desc *desc, u8 *out) if (digest_size & 4) put_unaligned_le32(sctx->st[i], (__le32 *)digest); - memset(sctx, 0, sizeof(*sctx)); + memzero_explicit(sctx, sizeof(*sctx)); return 0; } EXPORT_SYMBOL(crypto_sha3_final);
--
2.25.1