Re: [PATCH] KEYS: asymmetric: return ENOMEM if akcipher_request_alloc() fails

[Eric Biggers <ebiggers@kernel.org>]

On Thu, Jan 10, 2019 at 12:28:10PM -0800, Eric Biggers wrote:
> On Sat, Nov 03, 2018 at 10:41:07AM -0700, Eric Biggers wrote:
> > From: Eric Biggers <ebiggers@google.com>
> > 
> > No error code was being set on this error path.
> > 
> > Fixes: ad4b1eb5fb33 ("KEYS: asym_tpm: Implement encryption operation [ver #2]")
> > Fixes: c08fed737126 ("KEYS: Implement encrypt, decrypt and sign for software asymmetric key [ver #2]")
> > Signed-off-by: Eric Biggers <ebiggers@google.com>
> > ---
> >  crypto/asymmetric_keys/asym_tpm.c   | 1 +
> >  crypto/asymmetric_keys/public_key.c | 1 +
> >  2 files changed, 2 insertions(+)
> > 
> > diff --git a/crypto/asymmetric_keys/asym_tpm.c b/crypto/asymmetric_keys/asym_tpm.c
> > index 5d4c270463f60..8eeb2d251a82a 100644
> > --- a/crypto/asymmetric_keys/asym_tpm.c
> > +++ b/crypto/asymmetric_keys/asym_tpm.c
> > @@ -479,6 +479,7 @@ static int tpm_key_encrypt(struct tpm_key *tk,
> >  	if (ret < 0)
> >  		goto error_free_tfm;
> >  
> > +	ret = -ENOMEM;
> >  	req = akcipher_request_alloc(tfm, GFP_KERNEL);
> >  	if (!req)
> >  		goto error_free_tfm;
> > diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c
> > index f5d85b47fcc6d..65fc08d9be087 100644
> > --- a/crypto/asymmetric_keys/public_key.c
> > +++ b/crypto/asymmetric_keys/public_key.c
> > @@ -169,6 +169,7 @@ static int software_key_eds_op(struct kernel_pkey_params *params,
> >  	if (IS_ERR(tfm))
> >  		return PTR_ERR(tfm);
> >  
> > +	ret = -ENOMEM;
> >  	req = akcipher_request_alloc(tfm, GFP_KERNEL);
> >  	if (!req)
> >  		goto error_free_tfm;
> > -- 
> > 2.19.1
> > 
> 
> Ping.

Ping.  David, are you planning to apply this?

- Eric