[infra] Remove minijail. (#5343)

We don't need minijail tooling anymore since we aren't using it
on OSS-Fuzz.

infra/base-images/base-runner/Dockerfile

@@ -97,11 +97,9 @@ COPY bad_build_check \
     coverage_helper \
     dataflow_tracer.py \
     download_corpus \
-    minijail0 \
     rcfilt \
     reproduce \
     run_fuzzer \
-    run_minijail \
     parse_options.py \
     targets_list \
     test_all.py \

infra/base-images/base-runner/run_minijail

@@ -1,59 +0,0 @@
-#!/bin/bash -eu
-# Copyright 2017 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.
-#
-################################################################################
-
-rm -rf /tmp/chroot
-mkdir /tmp/chroot
-
-mkdir /tmp/chroot/lib
-mkdir /tmp/chroot/lib64
-mkdir /tmp/chroot/lib32
-
-mkdir /tmp/chroot/usr
-mkdir /tmp/chroot/usr/lib
-mkdir /tmp/chroot/usr/lib32
-
-mkdir /tmp/chroot/dev
-mknod -m 666 /tmp/chroot/dev/null c 1 3
-mknod -m 666 /tmp/chroot/dev/urandom c 1 9
-
-mkdir /tmp/chroot/proc
-mkdir /tmp/chroot/tmp
-
-mkdir /tmp/chroot/bin
-cp /bin/sh /tmp/chroot/bin/sh
-cp $(which llvm-symbolizer) /tmp/chroot/bin/llvm-symbolizer
-
-FULL_EXE_PATH=$(readlink -f $1)
-EXE_DIR=$(dirname $FULL_EXE_PATH)
-mkdir -p /tmp/chroot/$EXE_DIR
-
-shift
-
-echo 'Running:'
-echo minijail0 -U -m \"0 $UID 1\" -T static \
-  -c 0 -n -v -p -l -I \
-  -k proc,/proc,proc,1 -P /tmp/chroot \
-  -b /lib,/lib,0 -b /lib64,/lib64,0 -b /lib32,/lib32,0 -b /usr/lib,/usr/lib,0 \
-  -b /usr/lib32,/usr/lib32,0 -b /tmp,/tmp,1 \
-  -b $EXE_DIR,$EXE_DIR,0 $FULL_EXE_PATH $@
-
-minijail0 -U -m "0 $UID 1" -T static \
-  -c 0 -n -v -p -l -I \
-  -k proc,/proc,proc,1 -P /tmp/chroot \
-  -b /lib,/lib,0 -b /lib64,/lib64,0 -b /lib32,/lib32,0 -b /usr/lib,/usr/lib,0 \
-  -b /usr/lib32,/usr/lib32,0 -b /tmp,/tmp,1 \
-  -b $EXE_DIR,$EXE_DIR,0 $FULL_EXE_PATH $@