linux-kernel - Re: More parallel atomic_open/d_splice_alias fun with NFS and possibly more FSes.

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:	Mon, 11 Jul 2016 02:03:32 +0100
From:	Al Viro <viro@...IV.linux.org.uk>
To:	James Simmons <jsimmons@...radead.org>
Cc:	Oleg Drokin <green@...uxhacker.ru>,
	Mailing List <linux-kernel@...r.kernel.org>,
	"<linux-fsdevel@...r.kernel.org>" <linux-fsdevel@...r.kernel.org>
Subject: Re: More parallel atomic_open/d_splice_alias fun with NFS and
 possibly more FSes.

On Mon, Jul 11, 2016 at 02:01:13AM +0100, Al Viro wrote:
> On Sun, Jul 10, 2016 at 07:14:18PM +0100, James Simmons wrote:
> 
> > [  111.210818]  [<ffffffffa04012bd>] kiblnd_send+0x51d/0x9e0 [ko2iblnd]
> 
> Mea culpa - in kiblnd_send() this
>         if (payload_kiov)
>                 iov_iter_bvec(&from, ITER_BVEC | WRITE,
>                                 payload_kiov, payload_niov, payload_nob);
>         else
>                 iov_iter_kvec(&from, ITER_BVEC | WRITE,
>                                 payload_iov, payload_niov, payload_nob);
> should have s/BVEC/KVEC/ in the iov_iter_kvec() arguments.  Cut'n'paste
> braindamage...

PS: That was introduced in the last commit in that pile - "lustre: introduce
lnet_copy_{k,}iov2iter(), kill lnet_copy_{k,}iov2{k,}iov()".