diff mbox series

[4/8] Replace memset() with memzero_explicit()

Message ID CACXcFmmyTXg77Dq1cR+MGCP=DRvcEzM=pCPcKL5u6-O+xofR1Q@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, 11:32 a.m. UTC 
Replace memset(address,0,bytes) which may be optimised
away with memzero_explicit(address,bytes) which resists
such optimisation

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

--
diff mbox series

Patch

diff --git a/crypto/echainiv.c b/crypto/echainiv.c
index 69686668625e..6a7321da2fc1 100644
--- a/crypto/echainiv.c
+++ b/crypto/echainiv.c
@@ -64,7 +64,7 @@  static int echainiv_encrypt(struct aead_request *req)

     memcpy(&nseqno, info + ivsize - 8, 8);
     seqno = be64_to_cpu(nseqno);
-    memset(info, 0, ivsize);
+    memzero_explicit(info, ivsize);

     scatterwalk_map_and_copy(info, req->dst, req->assoclen, ivsize, 1);