The buffer rctx->ext contains potentially sensitive data and should be freed with kzfree.
Cc: <[email protected]> Fixes: 700cb3f5fe75 ("crypto: lrw - Convert to skcipher") Reported-by: Dan Carpenter <[email protected]> Signed-off-by: Herbert Xu <[email protected]> diff --git a/crypto/lrw.c b/crypto/lrw.c index a09cdaa..954a706 100644 --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -317,7 +317,7 @@ static void exit_crypt(struct skcipher_request *req) rctx->left = 0; if (rctx->ext) - kfree(rctx->ext); + kzfree(rctx->ext); } static int do_encrypt(struct skcipher_request *req, int err) -- Email: Herbert Xu <[email protected]> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
