diff mbox series

[7/8] Replace memset() with memzero_explicit()

Message ID CACXcFmm=eUjfVAJGgFGPfHWCc7s37j0==eASdqJK3OBAazeyOQ@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, 11:38 a.m. UTC 
Replace memset(address,0,bytes) which may be optimised
away with memzero_explicit(address,bytes) which resists
such optimisation

---
 crypto/sm2.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--
diff mbox series

Patch

diff --git a/crypto/sm2.c b/crypto/sm2.c
index db8a4a265669..58641d964671 100644
--- a/crypto/sm2.c
+++ b/crypto/sm2.c
@@ -124,7 +124,7 @@  static void sm2_ec_ctx_deinit(struct mpi_ec_ctx *ec)
 {
     mpi_ec_deinit(ec);

-    memset(ec, 0, sizeof(*ec));
+    memzero_explicit(ec, sizeof(*ec));
 }

 /* RESULT must have been initialized and is set on success to the