[FFmpeg-devel] [PATCH 1/5] avcodec/apedec: Set error on error in ape_decode_value_3860()

Michael Niedermayer michael at niedermayer.cc
Mon Nov 18 18:30:10 EET 2019


Fixes: Timeout (unknown -> 15sec)
Fixes: 18808/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_APE_fuzzer-5677586072207360

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/apedec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/apedec.c b/libavcodec/apedec.c
index cfcf9a06c1..1aadef080f 100644
--- a/libavcodec/apedec.c
+++ b/libavcodec/apedec.c
@@ -496,6 +496,7 @@ static inline int ape_decode_value_3860(APEContext *ctx, GetBitContext *gb,
         x = (overflow << rice->k) + get_bits(gb, rice->k);
     } else {
         av_log(ctx->avctx, AV_LOG_ERROR, "Too many bits: %"PRIu32"\n", rice->k);
+        ctx->error = 1;
         return AVERROR_INVALIDDATA;
     }
     rice->ksum += x - (rice->ksum + 8 >> 4);
-- 
2.23.0



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