Revert "[upb] New Project: upb (#2538)" (#2553)

This reverts commit d5992e4ef5.

Upb is causing exceptions in ClusterFuzz and is completely broken
for AFL and libFuzzer.

projects/upb/Dockerfile

@@ -1,36 +0,0 @@
-# Copyright 2019 Google Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-################################################################################
-
-FROM gcr.io/oss-fuzz-base/base-builder
-MAINTAINER haberman@google.com
-
-RUN apt-get update && apt-get install -y --no-install-recommends \
-        curl \
-        python-dev \
-        python-future \
-        rsync \
-        && \
-    apt-get clean && \
-    rm -rf /var/lib/apt/lists/*
-
-# Install Bazel from apt-get to ensure dependencies are there
-RUN echo "deb [arch=amd64] http://storage.googleapis.com/bazel-apt stable jdk1.8" | tee /etc/apt/sources.list.d/bazel.list
-RUN curl https://bazel.build/bazel-release.pub.gpg | apt-key add -
-RUN apt-get update && apt-get install -y bazel
-
-RUN git clone --depth 1 https://github.com/protocolbuffers/upb.git upb
-WORKDIR upb
-COPY build.sh $SRC/

projects/upb/build.sh

@@ -1,55 +0,0 @@
-#!/bin/bash -eu
-# Copyright 2019 Google Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-#
-################################################################################
-FUZZER_DICTIONARIES="\
-"
-
-NO_VPTR="--copt=-fno-sanitize=vptr --linkopt=-fno-sanitize=vptr"
-EXTRA_BAZEL_FLAGS="--strip=never  $(for f in $CXXFLAGS; do if [ $f != "-stdlib=libc++" ] ; then echo --copt=$f --linkopt=$f; fi; done)"
-bazel build --dynamic_mode=off --spawn_strategy=standalone --genrule_strategy=standalone \
-  --verbose_failures \
-  $EXTRA_BAZEL_FLAGS \
-  $NO_VPTR \
-  -k \
-  :file_descriptor_parsenew_fuzzer
-
-# Copied from projects/envoy/build.sh which also uses Bazel.
-# Profiling with coverage requires that we resolve+copy all Bazel symlinks and
-# also remap everything under proc/self/cwd to correspond to Bazel build paths.
-if [ "$SANITIZER" = "coverage" ]
-then
-  # The build invoker looks for sources in $SRC, but it turns out that we need
-  # to not be buried under src/, paths are expected at out/proc/self/cwd by
-  # the profiler.
-  declare -r REMAP_PATH="${OUT}/proc/self/cwd"
-  mkdir -p "${REMAP_PATH}"
-  rsync -av "${SRC}"/upb "${REMAP_PATH}"
-fi
-
-file=file_descriptor_parsenew_fuzzer
-echo "${file}"
-TARGET_DRIVERLESS=bazel-bin/"${file}"
-echo "copying fuzzer"
-cp "${TARGET_DRIVERLESS}" "${OUT}"/"${file}"_fuzz_test
-
-# Copy dictionaries and options files to $OUT/
-for dict in $FUZZER_DICTIONARIES; do
-  cp $dict $OUT/
-done
-
-# Don't have a consistent naming convention between fuzzer files and corpus
-# directories so we resort to hard coding zipping corpses
-zip $OUT/file_descriptor_parsenew_fuzzer_seed_corpus.zip tests/*

projects/upb/project.yaml

@@ -1,4 +0,0 @@
-homepage: "<https://github.com/protocolbuffers/upb>"
-primary_contact: "<jhaberman@gmail.com>"
-sanitizers:
-  - address