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avcodec/jpeglsdec: Check ilv for being a supported value

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Fixes: 1773/clusterfuzz-testcase-minimized-4832523987189760

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 fe533628b9)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2017-10-26 00:02:56 +02:00
parent 209bd75519
commit 84b83ecbfd
1 changed files with 4 additions and 0 deletions
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4
libavcodec/jpeglsdec.c
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@ -422,6 +422,10 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near,
avpriv_report_missing_feature(s->avctx, "Sample interleaved images");
ret = AVERROR_PATCHWELCOME;
goto end;
} else { /* unknown interleaving */
avpriv_report_missing_feature(s->avctx, "Unknown interleaved images");
ret = AVERROR_PATCHWELCOME;
goto end;
}
if (s->xfrm && s->nb_components == 3) {