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| author | Michael Niedermayer <michael@niedermayer.cc> | 2022-07-20 01:14:51 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2022-07-20 16:12:08 +0200 |
| commit | 3c43a7a354e8ad9e6a270b592cd7c5c1f3f62110 (patch) | |
| tree | b438bc2e3505a36d02a0373ee637b5267894e569 | |
| parent | 636a629ff63ef60c9b31ba87e8e0a90e1f277c97 (diff) | |
| download | ffmpeg-3c43a7a354e8ad9e6a270b592cd7c5c1f3f62110.tar.gz | |
avcodec/hdrdec: lines can be empty
Fixes: infinite loop
Fixes: 49223/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_HDR_fuzzer-6603308596330496
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libavcodec/hdrdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/hdrdec.c b/libavcodec/hdrdec.c index 458215c6ac..29e87057fa 100644 --- a/libavcodec/hdrdec.c +++ b/libavcodec/hdrdec.c @@ -107,7 +107,7 @@ static int hdr_decode_frame(AVCodecContext *avctx, AVFrame *p, hdr_get_line(&gb, line, sizeof(line)); if (sscanf(line, "PIXASPECT=%f\n", &sar) == 1) avctx->sample_aspect_ratio = p->sample_aspect_ratio = av_inv_q(av_d2q(sar, 4096)); - } while (line[0] != '\n'); + } while (line[0] != '\n' && line[0]); hdr_get_line(&gb, line, sizeof(line)); if (sscanf(line, "-Y %d +X %d\n", &height, &width) == 2) { |