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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-07-10 20:37:57 +0300 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-07-11 01:25:33 +0300 |
| commit | 832652a9d10e3e19d04aad424efe1e1754a11306 (patch) | |
| tree | 81a0f6996e47ce9c43c38a5691189c3d7f911851 /libavcodec | |
| parent | 9ee65bf88d6a4ec9587ce119aeae148a190d9838 (diff) | |
avcodec/cbs_jpeg: Fix uninitialized end index in cbs_jpeg_split_fragment()
Fixes: Out of array read
Fixes: 24043/clusterfuzz-testcase-minimized-ffmpeg_BSF_TRACE_HEADERS_fuzzer-5084566275751936.fuzz
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 4a10bc8f6f5d600c44ecb9b43cd9abf13bf3bfae)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/cbs_jpeg.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/cbs_jpeg.c b/libavcodec/cbs_jpeg.c index 6959ecee7f..471d77074f 100644 --- a/libavcodec/cbs_jpeg.c +++ b/libavcodec/cbs_jpeg.c @@ -149,6 +149,7 @@ static int cbs_jpeg_split_fragment(CodedBitstreamContext *ctx, break; } else if (marker == JPEG_MARKER_SOS) { next_marker = -1; + end = start; for (i = start; i + 1 < frag->data_size; i++) { if (frag->data[i] != 0xff) continue; |