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gh-156293: Use-after-free for server-side SSLContext with sni_callback #211702

gh-156293: Use-after-free for server-side SSLContext with sni_callback

gh-156293: Use-after-free for server-side SSLContext with sni_callback #211702

Triggered via pull request September 30, 2026 14:36
Status Cancelled
Total duration 22m 58s
Artifacts 2

build.yml

on: pull_request
Change detection  /  Create context from changed files
18s
Change detection / Create context from changed files
Matrix: Address sanitizer
Matrix: build-macos
Matrix: build-san
Matrix: Ubuntu SSL tests
Matrix: build-ubuntu
Matrix: build-windows
Matrix: cifuzz
Docs  /  Doctest
9m 46s
Docs / Doctest
Docs  /  Check EPUB
2m 24s
Docs / Check EPUB
Check if Autoconf files are up to date
28s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 13s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
14s
C API Docs / Check if all C APIs are documented
Ubuntu (installed)  /  build, install and test
8m 55s
Ubuntu (installed) / build, install and test
iOS
22m 17s
iOS
Emscripten  /  build and test
16m 17s
Emscripten / build and test
WASI  /  build and test
4m 15s
WASI / build and test
Hypothesis tests on Ubuntu
17m 42s
Hypothesis tests on Ubuntu
Lazy imports enabled  /  Run Tests with lazy_imports=all
15m 3s
Lazy imports enabled / Run Tests with lazy_imports=all
Cross build Linux
7m 17s
Cross build Linux
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
2m 9s
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
3s
All required checks pass
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33 errors, 7 warnings, and 16 notices
Docs / Check EPUB
Process completed with exit code 1.
Docs / Docs
Process completed with exit code 2.
CIFuzz / cpython3 (memory)
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Ubuntu (bolt) / build and test (ubuntu-26.04)
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
CIFuzz / cpython3 (undefined)
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
CIFuzz / cpython3 (undefined)
Path does not exist: cifuzz-sarif/results.sarif
CIFuzz / cpython3 (undefined)
The operation was canceled.
Windows (free-threading) / Build and test (x64, switch-case)
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Windows (free-threading) / Build and test (x64, switch-case)
The operation was canceled.
Android (x86_64)
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Android (x86_64)
The operation was canceled.
Windows (free-threading) / Build and test (arm64, switch-case)
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Windows (free-threading) / Build and test (arm64, switch-case)
The operation was canceled.
Address sanitizer (ubuntu-26.04)
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Address sanitizer (ubuntu-26.04)
The operation was canceled.
Windows / Build and test (x64, switch-case)
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Windows / Build and test (x64, switch-case)
The operation was canceled.
Sanitizers / UBSan
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Sanitizers / UBSan
The operation was canceled.
macOS / build and test (macos-26-intel)
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
macOS / build and test (macos-26-intel)
The operation was canceled.
iOS
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
iOS
The operation was canceled.
Tests
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Tests
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Tests
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Tests
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
All required checks pass
Process completed with exit code 1.
Tests
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Tests
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Tests
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Tests
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Tests
Canceling since a higher priority waiting request for Tests-sethmlarson-uaf-ssl-context-sni-callback exists
Cross build Linux: Parser/lexer/string.c#L86
variable ‘previous_end’ set but not used [-Wunused-but-set-variable]
Ubuntu (installed) / build, install and test: Parser/lexer/string.c#L86
variable ‘previous_end’ set but not used [-Wunused-but-set-variable]
macOS / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS (free-threading) / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
Address sanitizer (ubuntu-26.04): Parser/lexer/string.c#L86
variable ‘previous_end’ set but not used [-Wunused-but-set-variable]
macOS / build and test (macos-26-intel)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Change detection / Create context from changed files
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
C API Docs / Check if all C APIs are documented
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Docs / Check EPUB
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Android (aarch64)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
Docs / Docs
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Docs / Docs
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Docs / Check for removed HTML IDs / Check for removed HTML IDs
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
macOS / build and test (macos-26)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
macOS (free-threading) / build and test (macos-26)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
CIFuzz / cpython3 (address)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Windows / Build and test (arm64, switch-case)
"The windows-11-arm label will migrate to use Visual Studio 2026 by default beginning September 21, 2026. For more information see https://github.com/actions/runner-images/issues/14602"
CIFuzz / cpython3 (memory)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
CIFuzz / cpython3 (undefined)
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Windows (free-threading) / Build and test (arm64, switch-case)
"The windows-11-arm label will migrate to use Visual Studio 2026 by default beginning September 21, 2026. For more information see https://github.com/actions/runner-images/issues/14602"
iOS
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
All required checks pass
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"

Artifacts

Produced during runtime
Name Size Digest
UBSan-logs-default
362 Bytes
sha256:42e188229f6051d137558ec993a5949888c0418740a8c3007c85f15e0cae499d
html-ids-head.json.gz
130 KB
sha256:e17a09cd043ec98e1574b0d63d634e483a8a5771698ccf3de2d858d8e22a0828