Re: [PATCH -next] gss_krb5: Fix the error handling path for crypto_sync_skcipher_setkey

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On Mon, Jul 8, 2024 at 10:52 AM Chuck Lever <chuck.lever@xxxxxxxxxx> wrote:
>
> On Sat, Jul 06, 2024 at 02:50:08PM +0800, Gaosheng Cui wrote:
> > If we fail to call crypto_sync_skcipher_setkey, we should free the
> > memory allocation for cipher, replace err_return with err_free_cipher
> > to free the memory of cipher.
> >
> > Fixes: 4891f2d008e4 ("gss_krb5: import functionality to derive keys into the kernel")
> > Signed-off-by: Gaosheng Cui <cuigaosheng1@xxxxxxxxxx>
> > ---
> >  net/sunrpc/auth_gss/gss_krb5_keys.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/net/sunrpc/auth_gss/gss_krb5_keys.c b/net/sunrpc/auth_gss/gss_krb5_keys.c
> > index 06d8ee0db000..4eb19c3a54c7 100644
> > --- a/net/sunrpc/auth_gss/gss_krb5_keys.c
> > +++ b/net/sunrpc/auth_gss/gss_krb5_keys.c
> > @@ -168,7 +168,7 @@ static int krb5_DK(const struct gss_krb5_enctype *gk5e,
> >               goto err_return;
> >       blocksize = crypto_sync_skcipher_blocksize(cipher);
> >       if (crypto_sync_skcipher_setkey(cipher, inkey->data, inkey->len))
> > -             goto err_return;
> > +             goto err_free_cipher;
> >
> >       ret = -ENOMEM;
> >       inblockdata = kmalloc(blocksize, gfp_mask);
> > --
> > 2.25.1
> >
>
> Anna, Trond, would you like me to take this through the NFSD tree?

Sure! That sounds good to me.

Anna

>
> --
> Chuck Lever





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