mirror of https://git.ffmpeg.org/ffmpeg.git
avcodec/tiff: Check stride for dng
Fixes: assertion failure Fixes: 23422/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_TIFF_fuzzer-5746026064642048 Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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@ -679,6 +679,9 @@ static int tiff_unpack_strip(TiffContext *s, AVFrame *p, uint8_t *dst, int strid
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return 0;
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}
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if (is_dng && stride == 0)
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return AVERROR_INVALIDDATA;
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for (line = 0; line < lines; line++) {
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if (src - ssrc > size) {
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av_log(s->avctx, AV_LOG_ERROR, "Source data overread\n");
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