bugGnash - The GNU Flash player - Bugs: bug #32574, Use of uninitialized value of size...

 
 

bug #32574: Use of uninitialized value of size 8 from swfdec_gst_decoder_push

Submitted by:  Sandro Santilli <strk>
Submitted on:  Wed 23 Feb 2011 08:33:10 AM UTC  
 
Category: sound-gstSeverity: 3 - Normal
Release: masterStatus: Invalid
Privacy: PublicAssigned to: Bastiaan Jacques <bjacques>
Open/Closed: Closed

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Tue 01 Mar 2011 02:21:17 AM UTC, comment #4:

This is a libmad bug. It allocates a buffer, and then reads a little past where it has written data (but not past the end of the buffer). However, no harm seems to come from it.

Bastiaan Jacques <bjacques>
Project MemberIn charge of this item.
Wed 23 Feb 2011 06:07:54 PM UTC, comment #3:

Actually, no, it happens anyway for me.

Sandro Santilli <strk>
Project Member
Wed 23 Feb 2011 06:04:31 PM UTC, comment #2:

Can you confirm this doesn't happen if you don't press any of the buttons?

Bastiaan Jacques <bjacques>
Project MemberIn charge of this item.
Wed 23 Feb 2011 08:39:53 AM UTC, comment #1:

See bug #32540 and bug #32575 for other issues related to this movie

Sandro Santilli <strk>
Project Member
Wed 23 Feb 2011 08:33:10 AM UTC, original submission:

libtool --mode=execute valgrind gui/gtk-gnash -M gst 'http://download.omroep.nl/vpro/luisterpaal/new-luisterpaal/player.swf?list=/feeds/luisterpaalPlaylist?luisterpaalnr=44452648' -U 'http://3voor12.vpro.nl/speler/luisterpaal/44452648#luisterpaal.44452648'

==24505== Use of uninitialised value of size 8
==24505== at 0x1CD8FEF9: ??? (in /usr/lib/libmad.so.0.2.1)
==24505== by 0x1CD921C4: mad_layer_III (in /usr/lib/libmad.so.0.2.1)
==24505== by 0x1CD8BA60: mad_frame_decode (in /usr/lib/libmad.so.0.2.1)
==24505== by 0x1C96014A: ??? (in /usr/lib/gstreamer-0.10/libgstmad.so)
==24505== by 0xA5BCA4C: ??? (in /usr/lib/libgstreamer-0.10.so.0.24.1)
==24505== by 0xA5BD33D: ??? (in /usr/lib/libgstreamer-0.10.so.0.24.1)
==24505== by 0x6091169: swfdec_gst_decoder_push (swfdec_codec_gst.c:379)
==24505== by 0x608979D: gnash::media::gst::AudioDecoderGst::decode(gnash::media::EncodedAudioFrame const&, unsigned int&) (AudioDecoderGst.cpp:289)
==24505== by 0x5447D72: gnash::Sound_as::getAudio(short*, unsigned int, bool&) (Sound_as.cpp:804)
==24505== by 0x5E3370E: gnash::sound::AuxStream::fetchSamples(short*, unsigned int) (AuxStream.h:47)
==24505== by 0x5E324BE: gnash::sound::sound_handler::fetchSamples(short*, unsigned int) (sound_handler.cpp:586)
==24505== by 0x5E4226D: gnash::sound::SDL_sound_handler::fetchSamples(short*, unsigned int) (sound_handler_sdl.cpp:231)
==24505==
==24505== Use of uninitialised value of size 8
==24505== at 0x1CD90126: ??? (in /usr/lib/libmad.so.0.2.1)
==24505== by 0x1CD921C4: mad_layer_III (in /usr/lib/libmad.so.0.2.1)
==24505== by 0x1CD8BA60: mad_frame_decode (in /usr/lib/libmad.so.0.2.1)
==24505== by 0x1C96014A: ??? (in /usr/lib/gstreamer-0.10/libgstmad.so)
==24505== by 0xA5BCA4C: ??? (in /usr/lib/libgstreamer-0.10.so.0.24.1)
==24505== by 0xA5BD33D: ??? (in /usr/lib/libgstreamer-0.10.so.0.24.1)
==24505== by 0x6091169: swfdec_gst_decoder_push (swfdec_codec_gst.c:379)
==24505== by 0x608979D: gnash::media::gst::AudioDecoderGst::decode(gnash::media::EncodedAudioFrame const&, unsigned int&) (AudioDecoderGst.cpp:289)
==24505== by 0x5447D72: gnash::Sound_as::getAudio(short*, unsigned int, bool&) (Sound_as.cpp:804)
==24505== by 0x5E3370E: gnash::sound::AuxStream::fetchSamples(short*, unsigned int) (AuxStream.h:47)
==24505== by 0x5E324BE: gnash::sound::sound_handler::fetchSamples(short*, unsigned int) (sound_handler.cpp:586)
==24505== by 0x5E4226D: gnash::sound::SDL_sound_handler::fetchSamples(short*, unsigned int) (sound_handler_sdl.cpp:231)

No errors with ffmpeg

Sandro Santilli <strk>
Project Member

 

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  • -unavailable- added by bjacques (Posted a comment)
  • -unavailable- added by strk (Submitted the item)
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    Date Changed By Updated Field Previous Value => Replaced By
    Tue 01 Mar 2011 02:21:17 AM UTCbjacquesStatusNone=>Invalid
      Open/ClosedOpen=>Closed

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