[FFmpeg-devel] Fuzzer fixes

[Tristan Matthews]

On Wednesday, May 28th, 2025 at 11:17 AM, Michael Niedermayer <michael at niedermayer.cc> wrote:

> Hi
> 
> If someone has spare time, there are some public open issues on:
> https://issues.oss-fuzz.com/issues?q=status:open componentid:1638179 title:ffmpeg
> 
> check if they have pending fixes on the ML first and if so help review
> if no pending fix, please submit a fix.
> (its easy to check as fixes should refer to the testcase filename)
> 
> If people help, i would have more time and can do other work (like release) sooner
> 
> thx
> 
> --
> Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
> 
> Complexity theory is the science of finding the exact solution to an
> approximation. Benchmarking OTOH is finding an approximation of the exact
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In case it saves someone time, seems like the latest HEAD of freetype isn't building properly in this context so I had to use this patch to build the fuzzer:


diff --git a/projects/ffmpeg/Dockerfile b/projects/ffmpeg/Dockerfile
index ea4a43f1c..d5129396c 100644
--- a/projects/ffmpeg/Dockerfile
+++ b/projects/ffmpeg/Dockerfile
@@ -27,7 +27,7 @@ RUN git clone https://git.ffmpeg.org/ffmpeg.git ffmpeg
 RUN curl -O https://www.alsa-project.org/files/pub/lib/alsa-lib-1.2.12.tar.bz2
 RUN git clone --depth 1 https://github.com/mstorsjo/fdk-aac.git
 RUN git clone --depth 1 https://gitlab.freedesktop.org/fontconfig/fontconfig.git
-RUN git clone --depth 1 https://gitlab.freedesktop.org/freetype/freetype.git
+RUN git clone --depth 1 --branch VER-2-13-3 https://gitlab.freedesktop.org/freetype/freetype.git
 RUN git clone --depth 1 https://github.com/fribidi/fribidi
 RUN git clone --depth 1 https://github.com/harfbuzz/harfbuzz
 RUN git clone --depth 1 https://github.com/libass/libass