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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-05-30 00:43:46 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-07-02 19:55:09 +0200 |
| commit | 6f6066ef09ae7798e21673e42185419da0fd732b (patch) | |
| tree | caeac2cf5c38ce9b4d52be2faee8d81ad472f86c | |
| parent | 762daa3975de652731dacfc2298d2276a50efbba (diff) | |
| download | ffmpeg-6f6066ef09ae7798e21673e42185419da0fd732b.tar.gz | |
avcodec/hq_hqa: Check info size
Fixes: assertion failure
Fixes: 21079/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HQ_HQA_fuzzer-5737046523248640
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit cf28521fee22dbe2f7eeb8ab0306c0fd0802c48a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/hq_hqa.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/hq_hqa.c b/libavcodec/hq_hqa.c index eec2e980b3..8404e80ec8 100644 --- a/libavcodec/hq_hqa.c +++ b/libavcodec/hq_hqa.c @@ -321,7 +321,7 @@ static int hq_hqa_decode_frame(AVCodecContext *avctx, void *data, int info_size; bytestream2_skip(&ctx->gbc, 4); info_size = bytestream2_get_le32(&ctx->gbc); - if (bytestream2_get_bytes_left(&ctx->gbc) < info_size) { + if (info_size < 0 || bytestream2_get_bytes_left(&ctx->gbc) < info_size) { av_log(avctx, AV_LOG_ERROR, "Invalid INFO size (%d).\n", info_size); return AVERROR_INVALIDDATA; } |