diff mbox series

[3/8] Replace memset() with memzero_explicit()

Message ID CACXcFmnGYb_7Priu+JF3p2mKgB=5aua7VpMnpxENjfssg2bL_g@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, 11:30 a.m. UTC 
Replace memset(address,0,bytes) which may be optimised
away with memzero_explicit(address,bytes) which resists
such optimisation

---
 crypto/dh.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/crypto/dh.c b/crypto/dh.c
index cd4f32092e5c..ff7dc65b3b41 100644
--- a/crypto/dh.c
+++ b/crypto/dh.c
@@ -25,7 +25,7 @@  static void dh_clear_ctx(struct dh_ctx *ctx)
     mpi_free(ctx->q);
     mpi_free(ctx->g);
     mpi_free(ctx->xa);
-    memset(ctx, 0, sizeof(*ctx));
+    memzero_explicit(ctx, sizeof(*ctx));
 }

 /*