Fixes: 2018-0721-sample Fixes: null pointer dereference Found-by: Nikita Knyzhov (knnik...@yandex.ru) Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/mov.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/libavformat/mov.c b/libavformat/mov.c index eda3fff6d5..edd7778023 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -5846,6 +5846,11 @@ static int mov_read_sample_encryption_info(MOVContext *c, AVIOContext *pb, MOVSt unsigned int subsample_count; AVSubsampleEncryptionInfo *subsamples; + if (!sc->cenc.default_encrypted_sample) { + av_log(c->fc, AV_LOG_ERROR, "Missing schm or tenc\n"); + return AVERROR_INVALIDDATA; + } + *sample = av_encryption_info_clone(sc->cenc.default_encrypted_sample); if (!*sample) return AVERROR(ENOMEM); -- 2.18.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel