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470921fe46
This is a reland of f58f69f66bacefb0aaf78e91b462b5db97cea391 The whitebox dawn_end2end_tests are updated to link statically against libdawn_native. This is required because the test link against and use libdawn_native as sources. It is an error with MSVC to both import and export symbols from libdawn_native. Original change's description: > fuzzing: Add supportsErrorInjection option to DawnWireServerFuzzer > > This option will be used by backends that support error injection so > that errors can be injected into a "clean" corpus to generate a seed > corpus with good examples of injected error conditions. > > Bug: dawn:295 > Change-Id: I837acdde6dd4274adb56edf8e4307427f8d6333b > Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/14681 > Reviewed-by: Corentin Wallez <cwallez@chromium.org> > Commit-Queue: Austin Eng <enga@chromium.org> Bug: dawn:295 Change-Id: Ifa092d28aa7ac57cfb197aa4daeb8408f8036d4a Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/14820 Reviewed-by: Kai Ninomiya <kainino@chromium.org> Commit-Queue: Austin Eng <enga@chromium.org>
99 lines
2.7 KiB
Bash
Executable File
99 lines
2.7 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2019 The Dawn Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Generates a seed corpus for fuzzing based on dumping wire traces
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# from running Dawn tests
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# Exit if anything fails
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set -e
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if [ "$#" -lt 3 ]; then
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cat << EOF
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Usage:
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$0 <out_dir> <fuzzer_name> <test_name> [additional_test_args...]
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Example:
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$0 out/fuzz dawn_wire_server_and_vulkan_backend_fuzzer dawn_end2end_tests --gtest_filter=*Vulkan
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EOF
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exit 1
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fi
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all_args=("$@")
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out_dir=$1
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fuzzer_name=$2
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test_name=$3
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additional_test_args=("${all_args[@]:3}")
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testcase_dir="/tmp/testcases/${fuzzer_name}/"
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injected_error_testcase_dir="/tmp/testcases/${fuzzer_name}_injected/"
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minimized_testcase_dir="/tmp/testcases/${fuzzer_name}_minimized/"
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# Print commands so it's clear what is being executed
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set -x
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# Make a directory for temporarily storing testcases
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mkdir -p "$testcase_dir"
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# Make an empty directory for temporarily storing testcases with injected errors
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rm -rf "$injected_error_testcase_dir"
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mkdir -p "$injected_error_testcase_dir"
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# Make an empty directory for temporarily storing minimized testcases
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rm -rf "$minimized_testcase_dir"
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mkdir -p "$minimized_testcase_dir"
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# Build the fuzzer and test
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autoninja -C $out_dir $fuzzer_name $test_name
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fuzzer_binary="${out_dir}/${fuzzer_name}"
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test_binary="${out_dir}/${test_name}"
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# Run the test binary
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$test_binary --use-wire --wire-trace-dir="$testcase_dir" $additional_test_args
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# Run the fuzzer over the testcases to inject errors
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$fuzzer_binary --injected-error-testcase-dir="$injected_error_testcase_dir" -runs=0 "$testcase_dir"
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# Run the fuzzer to minimize the testcases + injected errors
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$fuzzer_binary -merge=1 "$minimized_testcase_dir" "$injected_error_testcase_dir" "$testcase_dir"
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# Turn off command printing
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set +x
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if [ -z "$(ls -A $minimized_testcase_dir)" ]; then
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cat << EOF
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Minimized testcase directory is empty!
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Are you building with use_libfuzzer=true ?
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EOF
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exit 1
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fi
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cat << EOF
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Please test the corpus in $minimized_testcase_dir with $fuzzer_name and confirm it works as expected.
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$fuzzer_binary $minimized_testcase_dir
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Then, run the following command to upload new testcases to the seed corpus:
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gsutil -m rsync $minimized_testcase_dir gs://clusterfuzz-corpus/libfuzzer/${fuzzer_name}/
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EOF
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