[Pkg-alsa-devel] Bug#802651: Bug#802651: [libasound2] SIG11 on 'aplay -L'

[Michał Mirosław]

On Mon, May 09, 2016 at 09:52:41PM +0200, Michał Mirosław wrote:
> On Mon, May 09, 2016 at 02:31:11PM +0200, Elimar Riesebieter wrote:
> > * Michał Mirosław <mirq-boogs at rere.qmqm.pl> [2016-05-09 12:07 +0200]:
> > 
> > > On Sun, May 08, 2016 at 05:14:30PM +0200, Elimar Riesebieter
> > > wrote:
> > > > * Michał Mirosław <mirq-boogs at rere.qmqm.pl> [2015-10-22 08:46
> > > > +0200]:
> > > > 
> > > > > Package: libasound2 Version: 1.0.28 Severity: normal Tags:
> > > > > patch
> > > > > 
> > > > > --- Please enter the report below this line. ---
> > > > > 
> > > > > 'aplay -L' segfaults with ALSA configuration containing
> > > > > multiple "@hooks" entries. This happens, eg. with
> > > > > libasound2-plugins installed and having one @hooks in
> > > > > /etc/asound.conf like following:
> > > > > 
> > > > > @hooks [ { func load files [ "/usr/share/alsa/bluetooth.conf"
> > > > > ] errors false } ]
> > > > 
> > > > I can reproduce this segfault. Well,
> > > > /usr/share/alsa/bluetooth.conf isn't distributed by any Debian
> > > > package and is not available in my default installation. Do you
> > > > installed that file? Anyway, what is your goal with that hook?
> > > 
> > > Hmm. This comes from bluez-alsa package - it seems this was left
> > > after an upgrade from wheezy (the file is from bluez-alsa
> > > package). This seems irrelevant, though, as you should be able to
> > > trigger the bug with any two files.
> > 
> > Wrong, if I use the existing /usr/share/alsa/smixer.conf instead of
> > /usr/share/alsa/bluetooth.conf there is no segfault.
> > 
> > Could you please provide your bluetooth.conf?
> That's the one from wheezy's bluez-alsa (version 4.99-2). Attached.

BTW, for me, it's enough to put:

@hooks [ { func load files [ "/dev/null" ] } ]

in /etc/asound.conf to make 'aplay -L' blow up.

Best Regards,
Michał Mirosław