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| author | YannisGuyon <7632072+YannisGuyon@users.noreply.github.com> | 2018-10-08 19:08:49 +0200 |
|---|---|---|
| committer | jonathanmetzman <31354670+jonathanmetzman@users.noreply.github.com> | 2018-10-08 10:08:49 -0700 |
| commit | 3c1aba15b52f3c92a9530f0321169d86979b4b56 (patch) | |
| tree | 2094440fee436ca9591e52ec57500c97af140d29 /projects/libwebp | |
| parent | 2e867a3f6e93b1e219c13a50d1970656ca28fd5b (diff) | |
| download | oss-fuzz-3c1aba15b52f3c92a9530f0321169d86979b4b56.tar.gz | |
[libwebp] webp_enc_dec: Limit alpha_quality to 99 when method is 6 (#1860)
webp_enc_dec: Limit alpha_quality to 99 when method is 6
The target fuzz_webp_enc_dec with asan crashes (timeout)
during encoding with heavy alpha compression.
Clamp alpha compression parameters for images bigger than 16*16.
Bug report 10838
Diffstat (limited to 'projects/libwebp')
| -rw-r--r-- | projects/libwebp/fuzz_webp_enc_dec.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/projects/libwebp/fuzz_webp_enc_dec.cc b/projects/libwebp/fuzz_webp_enc_dec.cc index 84726eac3..c1830e5d1 100644 --- a/projects/libwebp/fuzz_webp_enc_dec.cc +++ b/projects/libwebp/fuzz_webp_enc_dec.cc @@ -193,6 +193,9 @@ extern "C" int LLVMFuzzerTestOneInput(const uint8_t* const data, size_t size) { config.quality = 99.0f; } } + if (config.alpha_quality == 100 && config.method == 6) { + config.alpha_quality = 99; + } } // Encode. |