linux-kernel - Re: signalfd() not handling sigqueue() sigval data correctly

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:	Wed, 9 Apr 2008 00:06:23 -0700 (PDT)
From:	Davide Libenzi <davidel@...ilserver.org>
To:	Michael Kerrisk <mtk.manpages@...glemail.com>
cc:	lkml <linux-kernel@...r.kernel.org>
Subject: Re: signalfd() not handling sigqueue() sigval data correctly

On Wed, 9 Apr 2008, Michael Kerrisk wrote:

> On Wed, Apr 9, 2008 at 1:37 AM, Davide Libenzi <davidel@...ilserver.org> wrote:
> > On Tue, 8 Apr 2008, Michael Kerrisk wrote:
> >
> > > Hi Davide,
> > >
> > > I was doing some playing about with signalfd(), and seem to have encountered a
> > > bug: when a signalfd read() fetches data for a signal that was sent by
> > > sigqueue(), the data accompanying the signal is not returned.  Instead
> > > ssi_int/ssi_ptr is zero.
> >
> > Are you able to fetch those info with, say, sigtimedwait(2)?
> 
> Yes.

Okie, found it. Tomorrow I'll post a patch. Thank you for reporting.



- Davide


--
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/