[FFmpeg-devel] [PATCH 1/2] avcodec/jpeglsdec: Check ilv for being a supported value

Michael Niedermayer michael at niedermayer.cc
Thu Oct 26 01:02:56 EEST 2017


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 at niedermayer.cc>
---
 libavcodec/jpeglsdec.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavcodec/jpeglsdec.c b/libavcodec/jpeglsdec.c
index 64505321af..cb2f89a88c 100644
--- a/libavcodec/jpeglsdec.c
+++ b/libavcodec/jpeglsdec.c
@@ -443,6 +443,10 @@ 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) {
-- 
2.14.2



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