linux-kernel - Re: [PATCH] ceph: if we are blacklisted, __do

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <CAB9OAC2VvwM5+L=N09Y-usxyXFRnzWFs8iN-zLHyEz7-twPOmQ@mail.gmail.com>
Date:   Fri, 17 Apr 2020 17:18:29 +0800
From:   Yanhu Cao <gmayyyha@...il.com>
To:     Jeff Layton <jlayton@...nel.org>
Cc:     Sage Weil <sage@...hat.com>, Ilya Dryomov <idryomov@...il.com>,
        ceph-devel <ceph-devel@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ceph: if we are blacklisted, __do_request returns directly

DNM. will add test mount option recover_session.

On Fri, Apr 17, 2020 at 4:35 PM Yanhu Cao <gmayyyha@...il.com> wrote:
>
> Signed-off-by: Yanhu Cao <gmayyyha@...il.com>
> ---
>  fs/ceph/mds_client.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
> index 486f91f9685b..d2ea755b7c02 100644
> --- a/fs/ceph/mds_client.c
> +++ b/fs/ceph/mds_client.c
> @@ -2708,6 +2708,11 @@ static void __do_request(struct ceph_mds_client *mdsc,
>
>         put_request_session(req);
>
> +       if (mdsc->fsc->blacklisted) {
> +               err = -EACCES;
> +               goto finish;
> +       }
> +
>         mds = __choose_mds(mdsc, req, &random);
>         if (mds < 0 ||
>             ceph_mdsmap_get_state(mdsc->mdsmap, mds) < CEPH_MDS_STATE_ACTIVE) {
> --
> 2.24.2 (Apple Git-127)
>