[MPlayer-dev-eng] [BUG] mp3 decode crash

[Felix Buenemann]

On Friday 24 May 2002 22:17, Alban Bedel wrote:
> Hi Felix Buenemann,
>
> on Fri, 24 May 2002 21:45:16 +0200 you wrote:
> > On Tuesday 21 May 2002 07:14, Joey Parrish wrote:
> > > Hello,
> > >
> > > While decoding mp3s, MPlayer crashed. My MPlayer source is
> > > updated to the latest CVS (20 May 2002) and it still crashes.
> > > Attached below is the verbose output of MPlayer and a gdb backtrace.
> > > The file that caused this crash can be found at
> > > http://joey.yunamusic.com/maul.mp3 (132kb)
> >
> > look at output:
> > Blocktype == 0 and window-switching == 1 not allowed.
> >
> > I think it's what causes the porb...
>
> When I use mplayer to listen mp3 stream and have this msg sometimes, but it
> usally don't lead to any crash.
> In my case I think it come from network errors or smthg like that. I also
> had a few crash, and all where in decode audio but I still wasn't able to
> catch one in gdb :( Anyway this file also lead to sig11 here. So here is
> the gdb trace as it don't crash at the same point. The file is buggy but
> xmms and mpg123 play it without any crash.
>
> My box is a slackware 8.0 with a few updates running on a K6-2 (MMX +
> 3DNow)
For me (2.4.18, PIII, gcc 3.11, binutils 2.12.90.0.7) it crashes inside dct36 
code of mp3lib, so we got 3different point of crash. What's needed to fix 
this is a sanity test if the frame is correct and do an early exit out of the 
decoder if corrupt data is detected.

>
> Kernel : 2.4.17
> Glibc : 2.2.3
> GCC : 2.95.3
> LD : GNU ld version 2.11.90.0.19 (with BFD 2.11.90.0.19)
> AS : GNU assembler 2.11.90.0.19
>
> 	Albeu

-- 
Best Regards,
        Atmos
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