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 Mar 2024 19:21:18 +0100
From: Petr Tesařík <petr@...arici.cz>
To: Eric Dumazet <edumazet@...gle.com>
Cc: "David S. Miller" <davem@...emloft.net>, Linux regressions mailing list
 <regressions@...ts.linux.dev>, open list <linux-kernel@...r.kernel.org>,
 "Linux regression tracking (Thorsten Leemhuis)"
 <regressions@...mhuis.info>, stable@...nel.org
Subject: Re: [PATCH 1/1] u64_stats: fix u64_stats_init() for lockdep when
 used repeatedly in one file

On Mon, 11 Mar 2024 18:43:59 +0100
Eric Dumazet <edumazet@...gle.com> wrote:

> On Mon, Mar 11, 2024 at 6:25 PM Petr Tesařík <petr@...arici.cz> wrote:
> >
> > On Wed,  6 Mar 2024 12:11:57 +0100
> > Petr Tesarik <petr@...arici.cz> wrote:
> >  
> > > Fix bogus lockdep warnings if multiple u64_stats_sync variables are
> > > initialized in the same file.
> > >
> > > With CONFIG_LOCKDEP, seqcount_init() is a macro which declares:
> > >
> > >       static struct lock_class_key __key;
> > >
> > > Since u64_stats_init() is a function (albeit an inline one), all calls
> > > within the same file end up using the same instance, effectively treating
> > > them all as a single lock-class.  
> >
> > What happens with this fix now?
> >
> > IIUC it should be reviewed by Eric, but I don't know through which tree
> > it should be merged. Any plans yet?  
> 
> I thought I gave a reply, but apparently not .
> 
> Reviewed-by: Eric Dumazet <edumazet@...gle.com>

Thank you!

Petr T

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ