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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2016-01-30 17:38:28 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-02-01 22:27:05 +0800 |
| commit | 2b8b28fd232233c22fb61009dd8b0587390d2875 (patch) | |
| tree | d93ad533833a24b992a9f99d49ab823ce8a92917 /crypto/keywrap.c | |
| parent | d1662165ae612ec8b5f94a6b07e65ea58b6dce34 (diff) | |
| download | lwn-2b8b28fd232233c22fb61009dd8b0587390d2875.tar.gz lwn-2b8b28fd232233c22fb61009dd8b0587390d2875.zip | |
crypto: keywrap - memzero the correct memory
We're clearing the wrong memory. The memory corruption is likely
harmless because we weren't going to use that stack memory again but not
zeroing is a potential information leak.
Fixes: e28facde3c39 ('crypto: keywrap - add key wrapping block chaining mode')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Stephan Mueller <smueller@chronox.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/keywrap.c')
| -rw-r--r-- | crypto/keywrap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/crypto/keywrap.c b/crypto/keywrap.c index b1d106ce55f3..72014f963ba7 100644 --- a/crypto/keywrap.c +++ b/crypto/keywrap.c @@ -212,7 +212,7 @@ static int crypto_kw_decrypt(struct blkcipher_desc *desc, SEMIBSIZE)) ret = -EBADMSG; - memzero_explicit(&block, sizeof(struct crypto_kw_block)); + memzero_explicit(block, sizeof(struct crypto_kw_block)); return ret; } @@ -297,7 +297,7 @@ static int crypto_kw_encrypt(struct blkcipher_desc *desc, /* establish the IV for the caller to pick up */ memcpy(desc->info, block->A, SEMIBSIZE); - memzero_explicit(&block, sizeof(struct crypto_kw_block)); + memzero_explicit(block, sizeof(struct crypto_kw_block)); return 0; } |