gh-127681: Fix overflow vulnerabilities in PyMem_Malloc calls #200875
pranavchoudhary-techbuild.yml
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Change detection
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Create context from changed files
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Matrix: Address sanitizer
Matrix: build-macos
Matrix: build-san
Matrix: Ubuntu SSL tests
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Matrix: cifuzz
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C API Docs
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Annotations
69 errors and 24 warnings
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Ubuntu SSL tests (ubuntu-26.04, openssl, 4.0.1)
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Cross build Linux:
Python/instrumentation.c#L1782
assignment to ‘uint8_t *’ {aka ‘unsigned char *’} from incompatible pointer type ‘_PyCoLineInstrumentationData *’ [-Wincompatible-pointer-types]
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Ubuntu SSL tests (ubuntu-26.04, openssl, 3.6.3)
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Hypothesis tests on Ubuntu:
Python/instrumentation.c#L1782
assignment to ‘uint8_t *’ {aka ‘unsigned char *’} from incompatible pointer type ‘_PyCoLineInstrumentationData *’ [-Wincompatible-pointer-types]
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Check if generated files are up to date
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Ubuntu (bolt) / build and test (ubuntu-26.04):
Python/instrumentation.c#L1782
assignment to ‘uint8_t *’ {aka ‘unsigned char *’} from incompatible pointer type ‘_PyCoLineInstrumentationData *’ [-Wincompatible-pointer-types]
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Ubuntu / build and test (ubuntu-26.04-arm)
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Ubuntu / build and test (ubuntu-26.04-arm):
Python/instrumentation.c#L1782
assignment to ‘uint8_t *’ {aka ‘unsigned char *’} from incompatible pointer type ‘_PyCoLineInstrumentationData *’ [-Wincompatible-pointer-types]
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Ubuntu / build and test (ubuntu-26.04)
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Ubuntu / build and test (ubuntu-26.04):
Python/instrumentation.c#L1782
assignment to ‘uint8_t *’ {aka ‘unsigned char *’} from incompatible pointer type ‘_PyCoLineInstrumentationData *’ [-Wincompatible-pointer-types]
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Ubuntu (free-threading) / build and test (ubuntu-26.04)
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Ubuntu (free-threading) / build and test (ubuntu-26.04):
Python/instrumentation.c#L1782
assignment to ‘uint8_t *’ {aka ‘unsigned char *’} from incompatible pointer type ‘_PyCoLineInstrumentationData *’ [-Wincompatible-pointer-types]
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Ubuntu (free-threading) / build and test (ubuntu-26.04-arm)
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Ubuntu (free-threading) / build and test (ubuntu-26.04-arm):
Python/instrumentation.c#L1782
assignment to ‘uint8_t *’ {aka ‘unsigned char *’} from incompatible pointer type ‘_PyCoLineInstrumentationData *’ [-Wincompatible-pointer-types]
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Address sanitizer (ubuntu-26.04)
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Address sanitizer (ubuntu-26.04):
Python/instrumentation.c#L1782
assignment to ‘uint8_t *’ {aka ‘unsigned char *’} from incompatible pointer type ‘_PyCoLineInstrumentationData *’ [-Wincompatible-pointer-types]
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iOS
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All required checks pass
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Tests
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Tests
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Tests
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Tests
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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.
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Ubuntu (bolt) / build and test (ubuntu-26.04):
Modules/_zoneinfo.c#L1050
pointer targets in assignment from ‘Py_ssize_t *’ {aka ‘long int *’} to ‘size_t *’ {aka ‘long unsigned int *’} differ in signedness [-Wpointer-sign]
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Ubuntu / build and test (ubuntu-26.04-arm):
Modules/_zoneinfo.c#L1050
pointer targets in assignment from ‘Py_ssize_t *’ {aka ‘long int *’} to ‘size_t *’ {aka ‘long unsigned int *’} differ in signedness [-Wpointer-sign]
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Ubuntu / build and test (ubuntu-26.04):
Modules/_zoneinfo.c#L1050
pointer targets in assignment from ‘Py_ssize_t *’ {aka ‘long int *’} to ‘size_t *’ {aka ‘long unsigned int *’} differ in signedness [-Wpointer-sign]
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Ubuntu (free-threading) / build and test (ubuntu-26.04):
Modules/_zoneinfo.c#L1050
pointer targets in assignment from ‘Py_ssize_t *’ {aka ‘long int *’} to ‘size_t *’ {aka ‘long unsigned int *’} differ in signedness [-Wpointer-sign]
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Ubuntu (free-threading) / build and test (ubuntu-26.04-arm):
Modules/_zoneinfo.c#L1050
pointer targets in assignment from ‘Py_ssize_t *’ {aka ‘long int *’} to ‘size_t *’ {aka ‘long unsigned int *’} differ in signedness [-Wpointer-sign]
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macOS / build and test (macos-26-intel)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated
dependents or dependents with broken linkage!
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macOS / build and test (macos-26-intel)
The following taps are not trusted:
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Trust specific formulae, casks and commands with:
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Windows / Build and test (x64, tail-call):
Python/instrumentation.c#L1782
'=': incompatible types - from '_PyCoLineInstrumentationData *' to 'uint8_t *' [D:\a\cpython\cpython\PCbuild\pythoncore.vcxproj]
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Windows / Build and test (x64, tail-call):
Python/instrumentation.c#L1782
'=': incompatible types - from '_PyCoLineInstrumentationData *' to 'uint8_t *' [D:\a\cpython\cpython\PCbuild\_freeze_module.vcxproj]
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macOS / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated
dependents or dependents with broken linkage!
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macOS / build and test (macos-26)
The following taps are not trusted:
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Untap them with:
brew untap aws/tap
Trust specific formulae, casks and commands with:
brew trust --formula <user>/<tap>/<formula>
brew trust --cask <user>/<tap>/<cask>
brew trust --command <user>/<tap>/<command>
Whole-tap trust is broader and includes all current and future formulae,
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brew trust aws/tap
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export HOMEBREW_NO_REQUIRE_TAP_TRUST=1
This is not recommended and will be removed in a later release.
For more information, see:
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Windows (free-threading) / Build and test (x64, tail-call):
Python/instrumentation.c#L1782
'=': incompatible types - from '_PyCoLineInstrumentationData *' to 'uint8_t *' [D:\a\cpython\cpython\PCbuild\pythoncore.vcxproj]
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Windows (free-threading) / Build and test (x64, tail-call):
Python/instrumentation.c#L1782
'=': incompatible types - from '_PyCoLineInstrumentationData *' to 'uint8_t *' [D:\a\cpython\cpython\PCbuild\_freeze_module.vcxproj]
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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!
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macOS (free-threading) / build and test (macos-26)
The following taps are not trusted:
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Homebrew is currently ignoring formulae, casks and commands from these taps because tap trust is required.
Untap them with:
brew untap aws/tap
Trust specific formulae, casks and commands with:
brew trust --formula <user>/<tap>/<formula>
brew trust --cask <user>/<tap>/<cask>
brew trust --command <user>/<tap>/<command>
Whole-tap trust is broader and includes all current and future formulae,
casks and commands from the listed taps. Trust whole taps with:
brew trust aws/tap
To disable trust checks:
export HOMEBREW_NO_REQUIRE_TAP_TRUST=1
This is not recommended and will be removed in a later release.
For more information, see:
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Windows (free-threading) / Build and test (x64, switch-case):
Python/instrumentation.c#L1782
'=': incompatible types - from '_PyCoLineInstrumentationData *' to 'uint8_t *' [D:\a\cpython\cpython\PCbuild\pythoncore.vcxproj]
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Windows (free-threading) / Build and test (x64, switch-case):
Python/instrumentation.c#L1782
'=': incompatible types - from '_PyCoLineInstrumentationData *' to 'uint8_t *' [D:\a\cpython\cpython\PCbuild\_freeze_module.vcxproj]
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Windows / Build and test (x64, switch-case):
Python/instrumentation.c#L1782
'=': incompatible types - from '_PyCoLineInstrumentationData *' to 'uint8_t *' [D:\a\cpython\cpython\PCbuild\pythoncore.vcxproj]
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Windows / Build and test (x64, switch-case):
Python/instrumentation.c#L1782
'=': incompatible types - from '_PyCoLineInstrumentationData *' to 'uint8_t *' [D:\a\cpython\cpython\PCbuild\_freeze_module.vcxproj]
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Windows (free-threading) / Build and test (arm64, switch-case):
Python/instrumentation.c#L1782
'=': incompatible types - from '_PyCoLineInstrumentationData *' to 'uint8_t *' [C:\a\cpython\cpython\PCbuild\pythoncore.vcxproj]
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Windows (free-threading) / Build and test (arm64, switch-case):
Python/instrumentation.c#L1782
'=': incompatible types - from '_PyCoLineInstrumentationData *' to 'uint8_t *' [C:\a\cpython\cpython\PCbuild\_freeze_module.vcxproj]
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Windows / Build and test (arm64, switch-case):
Python/instrumentation.c#L1782
'=': incompatible types - from '_PyCoLineInstrumentationData *' to 'uint8_t *' [C:\a\cpython\cpython\PCbuild\pythoncore.vcxproj]
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Windows / Build and test (arm64, switch-case):
Python/instrumentation.c#L1782
'=': incompatible types - from '_PyCoLineInstrumentationData *' to 'uint8_t *' [C:\a\cpython\cpython\PCbuild\_freeze_module.vcxproj]
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sha256:32650957d2a539c4c9fc0b5d7edf2df733e5e0c238cdfd417f8ed343b5bf1cd1
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