diff mbox series

[8/8] Replace memset() with memzero_explicit()

Message ID CACXcFmnYNSLvjNfyvWXq4VSxoreKTC27E+hotcFz-AQ0FCDT5w@mail.gmail.com (mailing list archive)
State Changes Requested
Delegated to: Herbert Xu
Headers show
Series memset() in crypto code | expand

Commit Message

Sandy Harris Nov. 16, 2021, 11:39 a.m. UTC 
Replace memset(address,0,bytes) which may be optimised
away with memzero_explicit(address,bytes) which resists
such optimisation

---
 crypto/rmd160.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--
diff mbox series

Patch

diff --git a/crypto/rmd160.c b/crypto/rmd160.c
index c5fe4034b153..a80f783d5a4f 100644
--- a/crypto/rmd160.c
+++ b/crypto/rmd160.c
@@ -329,7 +329,7 @@  static int rmd160_final(struct shash_desc *desc, u8 *out)
         dst[i] = cpu_to_le32p(&rctx->state[i]);

     /* Wipe context */
-    memset(rctx, 0, sizeof(*rctx));
+    memzero_explicit(rctx, sizeof(*rctx));

     return 0;
 }