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authorMichael Niedermayer <michael@niedermayer.cc>2020-05-30 00:43:46 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2020-06-05 18:14:17 +0200
commitcf28521fee22dbe2f7eeb8ab0306c0fd0802c48a (patch)
tree0b0f9cb72260356336e65b384a4d147a4e9d575c /libavcodec/hq_hqa.c
parentb6c8444e2387d9a75b24d5ec1d8308fe6e37645b (diff)
downloadffmpeg-cf28521fee22dbe2f7eeb8ab0306c0fd0802c48a.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>
Diffstat (limited to 'libavcodec/hq_hqa.c')
-rw-r--r--libavcodec/hq_hqa.c2
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;
}