Fixes: 15116/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5715173567889408 Fixes: memleak
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavformat/icodec.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/libavformat/icodec.c b/libavformat/icodec.c index f9b0015f34..98684e5e74 100644 --- a/libavformat/icodec.c +++ b/libavformat/icodec.c @@ -96,8 +96,10 @@ static int read_header(AVFormatContext *s) break; st = avformat_new_stream(s, NULL); - if (!st) + if (!st) { + av_freep(&ico->images); return AVERROR(ENOMEM); + } st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO; st->codecpar->width = avio_r8(pb); @@ -111,6 +113,7 @@ static int read_header(AVFormatContext *s) ico->images[i].size = avio_rl32(pb); if (ico->images[i].size <= 0) { av_log(s, AV_LOG_ERROR, "Invalid image size %d\n", ico->images[i].size); + av_freep(&ico->images); return AVERROR_INVALIDDATA; } ico->images[i].offset = avio_rl32(pb); @@ -126,8 +129,10 @@ static int read_header(AVFormatContext *s) st->codecpar->height = 0; break; case 40: - if (ico->images[i].size < 40) + if (ico->images[i].size < 40) { + av_freep(&ico->images); return AVERROR_INVALIDDATA; + } st->codecpar->codec_id = AV_CODEC_ID_BMP; tmp = avio_rl32(pb); if (tmp) @@ -138,6 +143,7 @@ static int read_header(AVFormatContext *s) break; default: avpriv_request_sample(s, "codec %d", codec); + av_freep(&ico->images); return AVERROR_INVALIDDATA; } } -- 2.21.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
