Fixes: out of array access
Fixes:
20446/clusterfuzz-testcase-minimized-ffmpeg_BSF_HEVC_METADATA_fuzzer-5707770718584832
Found-by: continuous fuzzing process
https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer
---
libavcodec/cbs_h265_syntax_template.c | 4
1 file changed, 4 insertions(+)
diff --git a/libavcodec/cbs_h265_syntax_template.c
b/libavcodec/cbs_h265_syntax_template.c
index 180a045c34..5f5531944c 100644
--- a/libavcodec/cbs_h265_syntax_template.c
+++ b/libavcodec/cbs_h265_syntax_template.c
@@ -601,6 +601,8 @@ static int FUNC(st_ref_pic_set)(CodedBitstreamContext *ctx,
RWContext *rw,
}
}
+if (i > 15)
+return AVERROR_INVALIDDATA;
infer(num_negative_pics, i);
for (i = 0; i < current->num_negative_pics; i++) {
infer(delta_poc_s0_minus1[i],
@@ -630,6 +632,8 @@ static int FUNC(st_ref_pic_set)(CodedBitstreamContext *ctx,
RWContext *rw,
}
}
+if (i + current->num_negative_pics > 15)
+return AVERROR_INVALIDDATA;
infer(num_positive_pics, i);
for (i = 0; i < current->num_positive_pics; i++) {
infer(delta_poc_s1_minus1[i],
--
2.17.1
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