ffmpeg | branch: release/4.0 | Andreas Rheinhardt <andreas.rheinha...@gmail.com> | Sun Jun 14 00:37:40 2020 +0200| [85200b8c026b938b09dee016b5729afde880d850] | committer: Andreas Rheinhardt
avformat/mov: Fix memleaks upon read_header failure By default, a demuxer's read_close function is not called automatically if an error happens when reading the header; instead it is up to the demuxer to clean up after itself in this case. The mov demuxer did this by calling its read_close function when it encountered some errors when reading the header. Yet for other errors (mostly adding side-data to streams) this has been forgotten, so that all the internal structures of the demuxer leak. This commit fixes this by making sure mov_read_close is called when necessary. Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com> (cherry picked from commit ac378c535be907ee383dafb430be7216a2920982) Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=85200b8c026b938b09dee016b5729afde880d850 --- libavformat/mov.c | 33 +++++++++++++++++---------------- 1 file changed, 17 insertions(+), 16 deletions(-) diff --git a/libavformat/mov.c b/libavformat/mov.c index bad553d2fa..f8adbf6cd5 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -6824,14 +6824,13 @@ static int mov_read_header(AVFormatContext *s) avio_seek(pb, 0, SEEK_SET); if ((err = mov_read_default(mov, pb, atom)) < 0) { av_log(s, AV_LOG_ERROR, "error reading header\n"); - mov_read_close(s); - return err; + goto fail; } } while ((pb->seekable & AVIO_SEEKABLE_NORMAL) && !mov->found_moov && !mov->moov_retry++); if (!mov->found_moov) { av_log(s, AV_LOG_ERROR, "moov atom not found\n"); - mov_read_close(s); - return AVERROR_INVALIDDATA; + err = AVERROR_INVALIDDATA; + goto fail; } av_log(mov->fc, AV_LOG_TRACE, "on_parse_exit_offset=%"PRId64"\n", avio_tell(pb)); @@ -6884,7 +6883,7 @@ static int mov_read_header(AVFormatContext *s) } if (st->codecpar->codec_id == AV_CODEC_ID_DVD_SUBTITLE) { if ((err = mov_rewrite_dvd_sub_extradata(st)) < 0) - return err; + goto fail; } } if (mov->handbrake_version && @@ -6904,8 +6903,8 @@ static int mov_read_header(AVFormatContext *s) if (sc->data_size > INT64_MAX / sc->time_scale / 8) { av_log(s, AV_LOG_ERROR, "Overflow during bit rate calculation %"PRId64" * 8 * %d\n", sc->data_size, sc->time_scale); - mov_read_close(s); - return AVERROR_INVALIDDATA; + err = AVERROR_INVALIDDATA; + goto fail; } st->codecpar->bit_rate = sc->data_size * 8 * sc->time_scale / st->duration; } @@ -6920,8 +6919,8 @@ static int mov_read_header(AVFormatContext *s) if (sc->data_size > INT64_MAX / sc->time_scale / 8) { av_log(s, AV_LOG_ERROR, "Overflow during bit rate calculation %"PRId64" * 8 * %d\n", sc->data_size, sc->time_scale); - mov_read_close(s); - return AVERROR_INVALIDDATA; + err = AVERROR_INVALIDDATA; + goto fail; } st->codecpar->bit_rate = sc->data_size * 8 * sc->time_scale / sc->duration_for_fps; @@ -6945,8 +6944,7 @@ static int mov_read_header(AVFormatContext *s) case AVMEDIA_TYPE_AUDIO: err = ff_replaygain_export(st, s->metadata); if (err < 0) { - mov_read_close(s); - return err; + goto fail; } break; case AVMEDIA_TYPE_VIDEO: @@ -6954,7 +6952,7 @@ static int mov_read_header(AVFormatContext *s) err = av_stream_add_side_data(st, AV_PKT_DATA_DISPLAYMATRIX, (uint8_t*)sc->display_matrix, sizeof(int32_t) * 9); if (err < 0) - return err; + goto fail; sc->display_matrix = NULL; } @@ -6963,7 +6961,7 @@ static int mov_read_header(AVFormatContext *s) (uint8_t *)sc->stereo3d, sizeof(*sc->stereo3d)); if (err < 0) - return err; + goto fail; sc->stereo3d = NULL; } @@ -6972,7 +6970,7 @@ static int mov_read_header(AVFormatContext *s) (uint8_t *)sc->spherical, sc->spherical_size); if (err < 0) - return err; + goto fail; sc->spherical = NULL; } @@ -6981,7 +6979,7 @@ static int mov_read_header(AVFormatContext *s) (uint8_t *)sc->mastering, sizeof(*sc->mastering)); if (err < 0) - return err; + goto fail; sc->mastering = NULL; } @@ -6990,7 +6988,7 @@ static int mov_read_header(AVFormatContext *s) (uint8_t *)sc->coll, sc->coll_size); if (err < 0) - return err; + goto fail; sc->coll = NULL; } @@ -7004,6 +7002,9 @@ static int mov_read_header(AVFormatContext *s) mov->frag_index.item[i].headers_read = 1; return 0; +fail: + mov_read_close(s); + return err; } static AVIndexEntry *mov_find_next_sample(AVFormatContext *s, AVStream **st) _______________________________________________ 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".
