ffmpeg | branch: release/2.1 | Michael Niedermayer <michae...@gmx.at> | Mon Nov 10 23:07:50 2014 +0100| [d3e19509cf4350063711d7cdb069c11f2423d8a1] | committer: Michael Niedermayer
avcodec/wmaprodec: Fix integer overflow in sfb_offsets initialization Fixes out of array read Fixes: asan_heap-oob_2aec5b0_1828_classical_22_16_2_16000_v3c_0_exclusive_0_29.wma Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michae...@gmx.at> (cherry picked from commit 5dcb99033df16eccc4dbbc4a099ad64457f9f090) Signed-off-by: Michael Niedermayer <michae...@gmx.at> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=d3e19509cf4350063711d7cdb069c11f2423d8a1 --- libavcodec/wmaprodec.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c index d57c24d..19f5566 100644 --- a/libavcodec/wmaprodec.c +++ b/libavcodec/wmaprodec.c @@ -420,6 +420,9 @@ static av_cold int decode_init(AVCodecContext *avctx) offset &= ~3; if (offset > s->sfb_offsets[i][band - 1]) s->sfb_offsets[i][band++] = offset; + + if (offset >= subframe_len) + break; } s->sfb_offsets[i][band - 1] = subframe_len; s->num_sfb[i] = band - 1; _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
