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authorAleksandr Nogikh <nogikh@google.com>2025-11-11 11:02:25 +0100
committerAleksandr Nogikh <nogikh@google.com>2025-11-12 11:59:23 +0000
commit07e030dea6e6d9ca88b75bb3be2810f47083b328 (patch)
tree9eea9ff7c38833f485c09ed036e2e728f9943922 /syz-cluster/workflow/build-step/Dockerfile
parenta62b5b4d57938156b12b55dbb2a71354cc93a932 (diff)
syz-cluster: simplify shared git repo mounting code
Instead of a complicated overlayfs setup, do a lightweight git clone in a way that the cloned local copy keeps on referencing the git object storage on the NFS. It's simpler code-wise and hopefully will be less susceptible to failures when local git operations coincide with a git fetch on the shared repository.
Diffstat (limited to 'syz-cluster/workflow/build-step/Dockerfile')
-rw-r--r--syz-cluster/workflow/build-step/Dockerfile6
1 files changed, 6 insertions, 0 deletions
diff --git a/syz-cluster/workflow/build-step/Dockerfile b/syz-cluster/workflow/build-step/Dockerfile
index 074c91a25..c3f2fb037 100644
--- a/syz-cluster/workflow/build-step/Dockerfile
+++ b/syz-cluster/workflow/build-step/Dockerfile
@@ -19,11 +19,17 @@ FROM gcr.io/syzkaller/syzbot:latest
RUN mkdir -p /disk-images
ADD https://storage.googleapis.com/syzkaller/images/buildroot_amd64_2024.09.gz /disk-images/buildroot_amd64_2024.09.gz
RUN gzip -d /disk-images/buildroot_amd64_2024.09.gz
+RUN chmod 644 /disk-images/*
# Download base kernel configs.
RUN mkdir -p /kernel-configs
ADD https://raw.githubusercontent.com/google/syzkaller/refs/heads/master/dashboard/config/linux/upstream-apparmor-kasan.config /kernel-configs/upstream-apparmor-kasan.config
ADD https://raw.githubusercontent.com/google/syzkaller/refs/heads/master/dashboard/config/linux/upstream-kmsan.config /kernel-configs/upstream-kmsan.config
+RUN chmod 644 /kernel-configs/*
+
+# Prevent "fatal: detected dubious ownership in repository" errors.
+RUN git config --system --add safe.directory /workdir
+RUN git config --system --add safe.directory /kernel-repo
COPY --from=build-step-builder /build/build-step-bin /bin/build-step