linux-kernel - Re: [PATCH] bio-integrity: Fix use of bs->bio_integrity

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

Message-ID: <CAErSpo7s1m=6WvgeVOQ3Zj=mU8=+13pT4hJ8k5-KkrDDGOU+5w@mail.gmail.com>
Date:	Thu, 13 Jun 2013 12:14:54 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Alexander Viro <viro@...iv.linux.org.uk>,
	Kent Overstreet <koverstreet@...gle.com>
Cc:	Jens Axboe <axboe@...nel.dk>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"Martin K. Petersen" <martin.petersen@...cle.com>
Subject: Re: [PATCH] bio-integrity: Fix use of bs->bio_integrity_pool after free

On Wed, May 29, 2013 at 4:29 PM, Bjorn Helgaas <bhelgaas@...gle.com> wrote:
> This fixes a copy and paste error introduced by 9f060e2231
> ("block: Convert integrity to bvec_alloc_bs()").
>
> Found by Coverity (CID 1020654).
>
> Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
> ---
>  fs/bio-integrity.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c
> index 8fb4291..45e944f 100644
> --- a/fs/bio-integrity.c
> +++ b/fs/bio-integrity.c
> @@ -734,7 +734,7 @@ void bioset_integrity_free(struct bio_set *bs)
>                 mempool_destroy(bs->bio_integrity_pool);
>
>         if (bs->bvec_integrity_pool)
> -               mempool_destroy(bs->bio_integrity_pool);
> +               mempool_destroy(bs->bvec_integrity_pool);
>  }
>  EXPORT_SYMBOL(bioset_integrity_free);

Kent, do you want to chime in on this?  Looks like an obvious error to
me, but maybe I'm missing something and we should teach Coverity to
shut up about it.

Bjorn
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/