Add sha256 to Dockerfile (#8930)

Same temporary fix as #8914 Seems to be affected by #8915 per failures in https://github.com/google/oss-fuzz/actions/runs/3396815368/jobs/5648300142 Co-authored-by: jonathanmetzman <31354670+jonathanmetzman@users.noreply.github.com>
google · Nov 7, 2022 · 8fd6d0c · 8fd6d0c
1 parent f0bba2d
commit 8fd6d0c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/projects/protobuf-python/Dockerfile b/projects/protobuf-python/Dockerfile
@@ -14,7 +14,7 @@
 #
 ################################################################################
 
-FROM gcr.io/oss-fuzz-base/base-builder-python
+FROM gcr.io/oss-fuzz-base/base-builder-python@sha256:c4a0d90b29bd1f988d000eeb4d704b1de2e58708b1f33b653a91a5bb4d913c05
 RUN curl -L -O https://raw.githubusercontent.com/protobuf-c/protobuf-c/39cd58f5ff06048574ed5ce17ee602dc84006162/t/test-full.proto
 RUN git clone https://github.com/protocolbuffers/protobuf.git
 RUN cd protobuf && bazel build --nobuild //:protoc @upb//python/dist:binary_wheel