gh-93821: Handle connection resets on Windows #127365

Workflow file for this run

	name: Tests

	on:
	workflow_dispatch:
	push:
	branches:
	- 'main'
	- '3.*'
	pull_request:
	branches:
	- 'main'
	- '3.*'

	permissions:
	contents: read

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.run_id }}-reusable
	cancel-in-progress: true

	jobs:
	check_source:
	name: Change detection
	# To use boolean outputs from this job, parse them as JSON.
	# Here's some examples:
	#
	# if: fromJSON(needs.check_source.outputs.run-docs)
	#
	# ${{
	# fromJSON(needs.check_source.outputs.run_tests)
	# && 'truthy-branch'
	# \|\| 'falsy-branch'
	# }}
	#
	uses: ./.github/workflows/reusable-change-detection.yml

	check-docs:
	name: Docs
	needs: check_source
	if: fromJSON(needs.check_source.outputs.run-docs)
	uses: ./.github/workflows/reusable-docs.yml

	check_generated_files:
	name: 'Check if generated files are up to date'
	# Don't use ubuntu-latest but a specific version to make the job
	# reproducible: to get the same tools versions (autoconf, aclocal, ...)
	runs-on: ubuntu-22.04
	timeout-minutes: 60
	needs: check_source
	if: needs.check_source.outputs.run_tests == 'true'
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: '3.x'
	- name: Runner image version
	run: echo "IMAGE_VERSION=${ImageVersion}" >> $GITHUB_ENV
	- name: Restore config.cache
	uses: actions/cache@v4
	with:
	path: config.cache
	# Include env.pythonLocation in key to avoid changes in environment when setup-python updates Python
	key: ${{ github.job }}-${{ runner.os }}-${{ env.IMAGE_VERSION }}-${{ needs.check_source.outputs.config_hash }}-${{ env.pythonLocation }}
	- name: Install Dependencies
	run: sudo ./.github/workflows/posix-deps-apt.sh
	- name: Add ccache to PATH
	run: echo "PATH=/usr/lib/ccache:$PATH" >> $GITHUB_ENV
	- name: Configure ccache action
	uses: hendrikmuhs/ccache-action@v1.2
	with:
	save: false
	- name: Check Autoconf and aclocal versions
	run: \|
	grep "Generated by GNU Autoconf 2.71" configure
	grep "aclocal 1.16.5" aclocal.m4
	grep -q "runstatedir" configure
	grep -q "PKG_PROG_PKG_CONFIG" aclocal.m4
	- name: Configure CPython
	run: \|
	# Build Python with the libpython dynamic library
	./configure --config-cache --with-pydebug --enable-shared
	- name: Regenerate autoconf files
	# Same command used by Tools/build/regen-configure.sh ($AUTORECONF)
	run: autoreconf -ivf -Werror
	- name: Build CPython
	run: \|
	make -j4 regen-all
	make regen-stdlib-module-names regen-sbom
	- name: Check for changes
	run: \|
	git add -u
	changes=$(git status --porcelain)
	# Check for changes in regenerated files
	if test -n "$changes"; then
	echo "Generated files not up to date."
	echo "Perhaps you forgot to run make regen-all or build.bat --regen. ;)"
	echo "configure files must be regenerated with a specific version of autoconf."
	echo "$changes"
	echo ""
	git diff --staged \|\| true
	exit 1
	fi
	- name: Check exported libpython symbols
	run: make smelly
	- name: Check limited ABI symbols
	run: make check-limited-abi
	- name: Check for unsupported C global variables
	if: github.event_name == 'pull_request' # $GITHUB_EVENT_NAME
	run: make check-c-globals

	build_windows:
	name: >-
	Windows
	${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }}
	needs: check_source
	if: fromJSON(needs.check_source.outputs.run_tests)
	strategy:
	matrix:
	arch:
	- Win32
	- x64
	- arm64
	free-threading:
	- false
	- true
	uses: ./.github/workflows/reusable-windows.yml
	with:
	arch: ${{ matrix.arch }}
	free-threading: ${{ matrix.free-threading }}

	build_windows_msi:
	name: >- # ${{ '' } is a hack to nest jobs under the same sidebar category
	Windows MSI${{ '' }}
	needs: check_source
	if: fromJSON(needs.check_source.outputs.run-win-msi)
	strategy:
	matrix:
	arch:
	- x86
	- x64
	- arm64
	uses: ./.github/workflows/reusable-windows-msi.yml
	with:
	arch: ${{ matrix.arch }}

	build_macos:
	name: >-
	macOS
	${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }}
	needs: check_source
	if: needs.check_source.outputs.run_tests == 'true'
	strategy:
	fail-fast: false
	matrix:
	# Cirrus and macos-14 are M1, macos-13 is default GHA Intel.
	# macOS 13 only runs tests against the GIL-enabled CPython.
	# Cirrus used for upstream, macos-14 for forks.
	os:
	- ghcr.io/cirruslabs/macos-runner:sonoma
	- macos-14
	- macos-13
	is-fork: # only used for the exclusion trick
	- ${{ github.repository_owner != 'python' }}
	free-threading:
	- false
	- true
	exclude:
	- os: ghcr.io/cirruslabs/macos-runner:sonoma
	is-fork: true
	- os: macos-14
	is-fork: false
	- os: macos-13
	free-threading: true
	uses: ./.github/workflows/reusable-macos.yml
	with:
	config_hash: ${{ needs.check_source.outputs.config_hash }}
	free-threading: ${{ matrix.free-threading }}
	os: ${{ matrix.os }}

	build_ubuntu:
	name: >-
	Ubuntu
	${{ fromJSON(matrix.free-threading) && '(free-threading)' \|\| '' }}
	needs: check_source
	if: needs.check_source.outputs.run_tests == 'true'
	strategy:
	matrix:
	free-threading:
	- false
	- true
	uses: ./.github/workflows/reusable-ubuntu.yml
	with:
	config_hash: ${{ needs.check_source.outputs.config_hash }}
	free-threading: ${{ matrix.free-threading }}

	build_ubuntu_ssltests:
	name: 'Ubuntu SSL tests with OpenSSL'
	runs-on: ${{ matrix.os }}
	timeout-minutes: 60
	needs: check_source
	if: needs.check_source.outputs.run_tests == 'true'
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-22.04]
	openssl_ver: [3.0.15, 3.1.7, 3.2.3, 3.3.2]
	env:
	OPENSSL_VER: ${{ matrix.openssl_ver }}
	MULTISSL_DIR: ${{ github.workspace }}/multissl
	OPENSSL_DIR: ${{ github.workspace }}/multissl/openssl/${{ matrix.openssl_ver }}
	LD_LIBRARY_PATH: ${{ github.workspace }}/multissl/openssl/${{ matrix.openssl_ver }}/lib
	steps:
	- uses: actions/checkout@v4
	- name: Runner image version
	run: echo "IMAGE_VERSION=${ImageVersion}" >> $GITHUB_ENV
	- name: Restore config.cache
	uses: actions/cache@v4
	with:
	path: config.cache
	key: ${{ github.job }}-${{ runner.os }}-${{ env.IMAGE_VERSION }}-${{ needs.check_source.outputs.config_hash }}
	- name: Register gcc problem matcher
	run: echo "::add-matcher::.github/problem-matchers/gcc.json"
	- name: Install Dependencies
	run: sudo ./.github/workflows/posix-deps-apt.sh
	- name: Configure OpenSSL env vars
	run: \|
	echo "MULTISSL_DIR=${GITHUB_WORKSPACE}/multissl" >> $GITHUB_ENV
	echo "OPENSSL_DIR=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}" >> $GITHUB_ENV
	echo "LD_LIBRARY_PATH=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}/lib" >> $GITHUB_ENV
	- name: 'Restore OpenSSL build'
	id: cache-openssl
	uses: actions/cache@v4
	with:
	path: ./multissl/openssl/${{ env.OPENSSL_VER }}
	key: ${{ matrix.os }}-multissl-openssl-${{ env.OPENSSL_VER }}
	- name: Install OpenSSL
	if: steps.cache-openssl.outputs.cache-hit != 'true'
	run: python3 Tools/ssl/multissltests.py --steps=library --base-directory $MULTISSL_DIR --openssl $OPENSSL_VER --system Linux
	- name: Add ccache to PATH
	run: \|
	echo "PATH=/usr/lib/ccache:$PATH" >> $GITHUB_ENV
	- name: Configure ccache action
	uses: hendrikmuhs/ccache-action@v1.2
	with:
	save: false
	- name: Configure CPython
	run: ./configure CFLAGS="-fdiagnostics-format=json" --config-cache --enable-slower-safety --with-pydebug --with-openssl=$OPENSSL_DIR
	- name: Build CPython
	run: make -j4
	- name: Display build info
	run: make pythoninfo
	- name: SSL tests
	run: ./python Lib/test/ssltests.py

	build_wasi:
	name: 'WASI'
	needs: check_source
	if: needs.check_source.outputs.run_tests == 'true'
	uses: ./.github/workflows/reusable-wasi.yml
	with:
	config_hash: ${{ needs.check_source.outputs.config_hash }}

	test_hypothesis:
	name: "Hypothesis tests on Ubuntu"
	runs-on: ubuntu-22.04
	timeout-minutes: 60
	needs: check_source
	if: needs.check_source.outputs.run_tests == 'true' && needs.check_source.outputs.run_hypothesis == 'true'
	env:
	OPENSSL_VER: 3.0.15
	PYTHONSTRICTEXTENSIONBUILD: 1
	steps:
	- uses: actions/checkout@v4
	- name: Register gcc problem matcher
	run: echo "::add-matcher::.github/problem-matchers/gcc.json"
	- name: Install Dependencies
	run: sudo ./.github/workflows/posix-deps-apt.sh
	- name: Configure OpenSSL env vars
	run: \|
	echo "MULTISSL_DIR=${GITHUB_WORKSPACE}/multissl" >> $GITHUB_ENV
	echo "OPENSSL_DIR=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}" >> $GITHUB_ENV
	echo "LD_LIBRARY_PATH=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}/lib" >> $GITHUB_ENV
	- name: 'Restore OpenSSL build'
	id: cache-openssl
	uses: actions/cache@v4
	with:
	path: ./multissl/openssl/${{ env.OPENSSL_VER }}
	key: ${{ runner.os }}-multissl-openssl-${{ env.OPENSSL_VER }}
	- name: Install OpenSSL
	if: steps.cache-openssl.outputs.cache-hit != 'true'
	run: python3 Tools/ssl/multissltests.py --steps=library --base-directory $MULTISSL_DIR --openssl $OPENSSL_VER --system Linux
	- name: Add ccache to PATH
	run: \|
	echo "PATH=/usr/lib/ccache:$PATH" >> $GITHUB_ENV
	- name: Configure ccache action
	uses: hendrikmuhs/ccache-action@v1.2
	with:
	save: false
	- name: Setup directory envs for out-of-tree builds
	run: \|
	echo "CPYTHON_RO_SRCDIR=$(realpath -m ${GITHUB_WORKSPACE}/../cpython-ro-srcdir)" >> $GITHUB_ENV
	echo "CPYTHON_BUILDDIR=$(realpath -m ${GITHUB_WORKSPACE}/../cpython-builddir)" >> $GITHUB_ENV
	- name: Create directories for read-only out-of-tree builds
	run: mkdir -p $CPYTHON_RO_SRCDIR $CPYTHON_BUILDDIR
	- name: Bind mount sources read-only
	run: sudo mount --bind -o ro $GITHUB_WORKSPACE $CPYTHON_RO_SRCDIR
	- name: Runner image version
	run: echo "IMAGE_VERSION=${ImageVersion}" >> $GITHUB_ENV
	- name: Restore config.cache
	uses: actions/cache@v4
	with:
	path: ${{ env.CPYTHON_BUILDDIR }}/config.cache
	key: ${{ github.job }}-${{ runner.os }}-${{ env.IMAGE_VERSION }}-${{ needs.check_source.outputs.config_hash }}
	- name: Configure CPython out-of-tree
	working-directory: ${{ env.CPYTHON_BUILDDIR }}
	run: \|
	../cpython-ro-srcdir/configure \
	--config-cache \
	--with-pydebug \
	--enable-slower-safety \
	--with-openssl=$OPENSSL_DIR
	- name: Build CPython out-of-tree
	working-directory: ${{ env.CPYTHON_BUILDDIR }}
	run: make -j4
	- name: Display build info
	working-directory: ${{ env.CPYTHON_BUILDDIR }}
	run: make pythoninfo
	- name: Remount sources writable for tests
	# some tests write to srcdir, lack of pyc files slows down testing
	run: sudo mount $CPYTHON_RO_SRCDIR -oremount,rw
	- name: Setup directory envs for out-of-tree builds
	run: \|
	echo "CPYTHON_BUILDDIR=$(realpath -m ${GITHUB_WORKSPACE}/../cpython-builddir)" >> $GITHUB_ENV
	- name: "Create hypothesis venv"
	working-directory: ${{ env.CPYTHON_BUILDDIR }}
	run: \|
	VENV_LOC=$(realpath -m .)/hypovenv
	VENV_PYTHON=$VENV_LOC/bin/python
	echo "HYPOVENV=${VENV_LOC}" >> $GITHUB_ENV
	echo "VENV_PYTHON=${VENV_PYTHON}" >> $GITHUB_ENV
	./python -m venv $VENV_LOC && $VENV_PYTHON -m pip install -r ${GITHUB_WORKSPACE}/Tools/requirements-hypothesis.txt
	- name: 'Restore Hypothesis database'
	id: cache-hypothesis-database
	uses: actions/cache@v4
	with:
	path: ${{ env.CPYTHON_BUILDDIR }}/.hypothesis/
	key: hypothesis-database-${{ github.head_ref \|\| github.run_id }}
	restore-keys: \|
	hypothesis-database-
	- name: "Run tests"
	working-directory: ${{ env.CPYTHON_BUILDDIR }}
	run: \|
	# Most of the excluded tests are slow test suites with no property tests
	#
	# (GH-104097) test_sysconfig is skipped because it has tests that are
	# failing when executed from inside a virtual environment.
	${{ env.VENV_PYTHON }} -m test \
	-W \
	-o \
	-j4 \
	-x test_asyncio \
	-x test_multiprocessing_fork \
	-x test_multiprocessing_forkserver \
	-x test_multiprocessing_spawn \
	-x test_concurrent_futures \
	-x test_socket \
	-x test_subprocess \
	-x test_signal \
	-x test_sysconfig
	- uses: actions/upload-artifact@v4
	if: always()
	with:
	name: hypothesis-example-db
	path: ${{ env.CPYTHON_BUILDDIR }}/.hypothesis/examples/


	build_asan:
	name: 'Address sanitizer'
	runs-on: ubuntu-22.04
	timeout-minutes: 60
	needs: check_source
	if: needs.check_source.outputs.run_tests == 'true'
	env:
	OPENSSL_VER: 3.0.15
	PYTHONSTRICTEXTENSIONBUILD: 1
	ASAN_OPTIONS: detect_leaks=0:allocator_may_return_null=1:handle_segv=0
	steps:
	- uses: actions/checkout@v4
	- name: Runner image version
	run: echo "IMAGE_VERSION=${ImageVersion}" >> $GITHUB_ENV
	- name: Restore config.cache
	uses: actions/cache@v4
	with:
	path: config.cache
	key: ${{ github.job }}-${{ runner.os }}-${{ env.IMAGE_VERSION }}-${{ needs.check_source.outputs.config_hash }}
	- name: Register gcc problem matcher
	run: echo "::add-matcher::.github/problem-matchers/gcc.json"
	- name: Install Dependencies
	run: sudo ./.github/workflows/posix-deps-apt.sh
	- name: Set up GCC-10 for ASAN
	uses: egor-tensin/setup-gcc@v1
	with:
	version: 10
	- name: Configure OpenSSL env vars
	run: \|
	echo "MULTISSL_DIR=${GITHUB_WORKSPACE}/multissl" >> $GITHUB_ENV
	echo "OPENSSL_DIR=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}" >> $GITHUB_ENV
	echo "LD_LIBRARY_PATH=${GITHUB_WORKSPACE}/multissl/openssl/${OPENSSL_VER}/lib" >> $GITHUB_ENV
	- name: 'Restore OpenSSL build'
	id: cache-openssl
	uses: actions/cache@v4
	with:
	path: ./multissl/openssl/${{ env.OPENSSL_VER }}
	key: ${{ matrix.os }}-multissl-openssl-${{ env.OPENSSL_VER }}
	- name: Install OpenSSL
	if: steps.cache-openssl.outputs.cache-hit != 'true'
	run: python3 Tools/ssl/multissltests.py --steps=library --base-directory $MULTISSL_DIR --openssl $OPENSSL_VER --system Linux
	- name: Add ccache to PATH
	run: \|
	echo "PATH=/usr/lib/ccache:$PATH" >> $GITHUB_ENV
	- name: Configure ccache action
	uses: hendrikmuhs/ccache-action@v1.2
	with:
	save: ${{ github.event_name == 'push' }}
	max-size: "200M"
	- name: Configure CPython
	run: ./configure --config-cache --with-address-sanitizer --without-pymalloc
	- name: Build CPython
	run: make -j4
	- name: Display build info
	run: make pythoninfo
	- name: Tests
	run: xvfb-run make test

	build_tsan:
	name: 'Thread sanitizer'
	needs: check_source
	if: needs.check_source.outputs.run_tests == 'true'
	uses: ./.github/workflows/reusable-tsan.yml
	with:
	config_hash: ${{ needs.check_source.outputs.config_hash }}
	options: ./configure --config-cache --with-thread-sanitizer --with-pydebug
	suppressions_path: Tools/tsan/supressions.txt
	tsan_logs_artifact_name: tsan-logs-default

	build_tsan_free_threading:
	name: 'Thread sanitizer (free-threading)'
	needs: check_source
	if: needs.check_source.outputs.run_tests == 'true'
	uses: ./.github/workflows/reusable-tsan.yml
	with:
	config_hash: ${{ needs.check_source.outputs.config_hash }}
	options: ./configure --config-cache --disable-gil --with-thread-sanitizer --with-pydebug
	suppressions_path: Tools/tsan/suppressions_free_threading.txt
	tsan_logs_artifact_name: tsan-logs-free-threading

	# CIFuzz job based on https://google.github.io/oss-fuzz/getting-started/continuous-integration/
	cifuzz:
	name: CIFuzz
	runs-on: ubuntu-latest
	timeout-minutes: 60
	needs: check_source
	if: needs.check_source.outputs.run_cifuzz == 'true'
	permissions:
	security-events: write
	strategy:
	fail-fast: false
	matrix:
	sanitizer: [address, undefined, memory]
	steps:
	- name: Build fuzzers (${{ matrix.sanitizer }})
	id: build
	uses: google/oss-fuzz/infra/cifuzz/actions/build_fuzzers@master
	with:
	oss-fuzz-project-name: cpython3
	sanitizer: ${{ matrix.sanitizer }}
	- name: Run fuzzers (${{ matrix.sanitizer }})
	uses: google/oss-fuzz/infra/cifuzz/actions/run_fuzzers@master
	with:
	fuzz-seconds: 600
	oss-fuzz-project-name: cpython3
	output-sarif: true
	sanitizer: ${{ matrix.sanitizer }}
	- name: Upload crash
	uses: actions/upload-artifact@v4
	if: failure() && steps.build.outcome == 'success'
	with:
	name: ${{ matrix.sanitizer }}-artifacts
	path: ./out/artifacts
	- name: Upload SARIF
	if: always() && steps.build.outcome == 'success'
	uses: github/codeql-action/upload-sarif@v3
	with:
	sarif_file: cifuzz-sarif/results.sarif
	checkout_path: cifuzz-sarif

	all-required-green: # This job does nothing and is only used for the branch protection
	name: All required checks pass
	if: always()

	needs:
	- check_source # Transitive dependency, needed to access `run_tests` value
	- check-docs
	- check_generated_files
	- build_macos
	- build_ubuntu
	- build_ubuntu_ssltests
	- build_wasi
	- build_windows
	- build_windows_msi
	- test_hypothesis
	- build_asan
	- build_tsan
	- build_tsan_free_threading
	- cifuzz

	runs-on: ubuntu-latest

	steps:
	- name: Check whether the needed jobs succeeded or failed
	uses: re-actors/alls-green@05ac9388f0aebcb5727afa17fcccfecd6f8ec5fe
	with:
	allowed-failures: >-
	build_ubuntu_ssltests,
	build_windows_msi,
	cifuzz,
	test_hypothesis,
	allowed-skips: >-
	${{
	!fromJSON(needs.check_source.outputs.run-docs)
	&& '
	check-docs,
	'
	\|\| ''
	}}
	${{
	needs.check_source.outputs.run_tests != 'true'
	&& '
	check_generated_files,
	build_macos,
	build_ubuntu,
	build_ubuntu_ssltests,
	build_wasi,
	build_windows,
	build_asan,
	build_tsan,
	build_tsan_free_threading,
	'
	\|\| ''
	}}
	${{
	!fromJSON(needs.check_source.outputs.run_cifuzz)
	&& '
	cifuzz,
	'
	\|\| ''
	}}
	${{
	!fromJSON(needs.check_source.outputs.run_hypothesis)
	&& '
	test_hypothesis,
	'
	\|\| ''
	}}
	jobs: ${{ toJSON(needs) }}

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gh-93821: Handle connection resets on Windows #127365

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gh-93821: Handle connection resets on Windows #127365

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