ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Tue Feb 18 22:58:12 2020 +0100| [9fc73bf022eb781eea7f685e2d2e9de4ba8898ca] | committer: Michael Niedermayer
avcodec/qdm2: Check fft_coefs_index Fixes: out of array access Fixes: 20660/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDM2_fuzzer-5658290216501248 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Reviewed-by: Paul B Mahol <one...@gmail.com> Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9fc73bf022eb781eea7f685e2d2e9de4ba8898ca --- libavcodec/qdm2.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c index 7b9d50b234..657b2da64d 100644 --- a/libavcodec/qdm2.c +++ b/libavcodec/qdm2.c @@ -1334,6 +1334,9 @@ static void qdm2_fft_decode_tones(QDM2Context *q, int duration, if (q->frequency_range > (local_int_14 + 1)) { int sub_packet = (local_int_20 + local_int_28); + if (q->fft_coefs_index + stereo >= FF_ARRAY_ELEMS(q->fft_coefs)) + return; + qdm2_fft_init_coefficient(q, sub_packet, offset, duration, channel, exp, phase); if (stereo) _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
