linux-kernel - Re: [patch] lockdep: fix possible races while disabling lock-debugging

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 Dec 2006 08:23:02 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jarek Poplawski <jarkao2@...pl>, Andrew Morton <akpm@...l.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [patch] lockdep: fix possible races while disabling lock-debugging


* Jarek Poplawski <jarkao2@...pl> wrote:

> > @@ -567,12 +601,10 @@ static noinline int print_circular_bug_t
> >  	if (debug_locks_silent)
> >  		return 0;
> >  
> > -	/* hash_lock unlocked by the header */
> > -	__raw_spin_lock(&hash_lock);
> >  	this.class = check_source->class;
> >  	if (!save_trace(&this.trace))
> >  		return 0;
> > -	__raw_spin_unlock(&hash_lock);
> > +
> 
> IMHO lock is needed here for save_trace.

indeed. I'll do a fix for this.

	Ingo
-
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/