linux-kernel - RE: [PATCH 0/5] fs, xfs refcount conversions

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]

Date:   Thu, 20 Apr 2017 08:11:41 +0000
From:   "Reshetova, Elena" <elena.reshetova@...el.com>
To:     "darrick.wong@...cle.com" <darrick.wong@...cle.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-xfs@...r.kernel.org" <linux-xfs@...r.kernel.org>,
        Kees Cook <keescook@...omium.org>,
        David Windsor <dwindsor@...il.com>,
        Hans Liljestrand <ishkamiel@...il.com>
Subject: RE: [PATCH 0/5] fs, xfs refcount conversions


 
> v3:
>  * fixed header file inclusion

I don't think I have heard anything back on this v3 patch set. 
Is there still smth here to fix or could you take the changes in?

Best Regards,
Elena.

> 
> Now when new refcount_t type and API are finally merged
> (see include/linux/refcount.h), the following
> patches convert various refcounters in the xfs susystem from atomic_t
> to refcount_t. By doing this we prevent intentional or accidental
> underflows or overflows that can led to use-after-free vulnerabilities.
> 
> 
> Elena Reshetova (5):
>   fs, xfs: convert xfs_bui_log_item.bui_refcount from atomic_t to
>     refcount_t
>   fs, xfs: convert xfs_efi_log_item.efi_refcount from atomic_t to
>     refcount_t
>   fs, xfs: convert xlog_ticket.t_ref from atomic_t to refcount_t
>   fs, xfs: convert xfs_cui_log_item.cui_refcount from atomic_t to
>     refcount_t
>   fs, xfs: convert xfs_rui_log_item.rui_refcount from atomic_t to
>     refcount_t
> 
>  fs/xfs/xfs_bmap_item.c     |  4 ++--
>  fs/xfs/xfs_bmap_item.h     |  2 +-
>  fs/xfs/xfs_extfree_item.c  |  4 ++--
>  fs/xfs/xfs_extfree_item.h  |  2 +-
>  fs/xfs/xfs_linux.h         |  1 +
>  fs/xfs/xfs_log.c           | 10 +++++-----
>  fs/xfs/xfs_log_priv.h      |  2 +-
>  fs/xfs/xfs_refcount_item.c |  4 ++--
>  fs/xfs/xfs_refcount_item.h |  2 +-
>  fs/xfs/xfs_rmap_item.c     |  4 ++--
>  fs/xfs/xfs_rmap_item.h     |  2 +-
>  11 files changed, 19 insertions(+), 18 deletions(-)
> 
> --
> 2.7.4