On Fri, 2017-06-30 at 10:56 +0300, Dan Carpenter wrote:
> We accidentally return success instead of -ENOMEM on this failure
> path.
>
> Fixes: 409dcf31538a ("selinux: Add a cache for quicker retreival of
> PKey SIDs")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
NAK, that's intentional. See the comment just above the code in
question.
>
> diff --git a/security/selinux/ibpkey.c b/security/selinux/ibpkey.c
> index e3614ee5f1c0..36e61f622b5a 100644
> --- a/security/selinux/ibpkey.c
> +++ b/security/selinux/ibpkey.c
> @@ -160,8 +160,10 @@ static int sel_ib_pkey_sid_slow(u64
> subnet_prefix, u16 pkey_num, u32 *sid)
> * is valid, it just won't be added to the cache.
> */
> new = kzalloc(sizeof(*new), GFP_ATOMIC);
> - if (!new)
> + if (!new) {
> + ret = -ENOMEM;
> goto out;
> + }
>
> new->psec.subnet_prefix = subnet_prefix;
> new->psec.pkey = pkey_num;
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