ffmpeg | branch: release/2.7 | Michael Niedermayer <mich...@niedermayer.cc> | Sat Jul 18 19:02:26 2015 +0200| [9c655d2a57d48707317af149154b9a38893d8a15] | committer: Michael Niedermayer
avcodec/vp8: Fix null pointer dereference in ff_vp8_decode_free() Fixes: signal_sigsegv_d5de23_967_vp80_00_comprehensive_010.ivf with memlimit 524288 Found-by: Samuel Groß, Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> (cherry picked from commit a84f0e8d8f293df3c535f9b893730a835bed6520) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9c655d2a57d48707317af149154b9a38893d8a15 --- libavcodec/vp8.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c index becbb2c..494400f 100644 --- a/libavcodec/vp8.c +++ b/libavcodec/vp8.c @@ -2689,6 +2689,9 @@ av_cold int ff_vp8_decode_free(AVCodecContext *avctx) VP8Context *s = avctx->priv_data; int i; + if (!s) + return 0; + vp8_decode_flush_impl(avctx, 1); for (i = 0; i < FF_ARRAY_ELEMS(s->frames); i++) av_frame_free(&s->frames[i].tf.f); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
