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gh-143637: Fix re-entrant mutation of ancillary data in socket.sendmsg() #180137

gh-143637: Fix re-entrant mutation of ancillary data in socket.sendmsg()

gh-143637: Fix re-entrant mutation of ancillary data in socket.sendmsg() #180137

Triggered via pull request January 15, 2026 20:43
Status Failure
Total duration 26m 11s
Artifacts

build.yml

on: pull_request
Change detection  /  Create context from changed files
13s
Change detection / Create context from changed files
Matrix: Address sanitizer
Matrix: build-macos
Matrix: build-san
Matrix: Ubuntu SSL tests with AWS-LC
Matrix: Ubuntu SSL tests with OpenSSL
Matrix: build-ubuntu
Matrix: build-windows-msi
Waiting for pending jobs
Matrix: build-windows
Matrix: CIFuzz
Check if Autoconf files are up to date
27s
Check if Autoconf files are up to date
Check if generated files are up to date
2m 29s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
11s
C API Docs / Check if all C APIs are documented
iOS
1m 54s
iOS
WASI  /  build and test
1m 13s
WASI / build and test
Hypothesis tests on Ubuntu
2m 13s
Hypothesis tests on Ubuntu
Cross build Linux
1m 38s
Cross build Linux
Docs  /  Check EPUB
Docs / Check EPUB
Docs  /  Docs
Docs / Docs
Docs  /  Doctest
Docs / Doctest
Matrix: build-android
All required checks pass
4s
All required checks pass
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Annotations

45 errors and 36 warnings
Android (aarch64)
Process completed with exit code 1.
WASI / build and test
Process completed with exit code 1.
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.0.18)
Process completed with exit code 100.
Address sanitizer (ubuntu-24.04)
Process completed with exit code 100.
Android (x86_64)
Process completed with exit code 1.
macOS / build and test (macos-14)
Process completed with exit code 2.
Cross build Linux
Process completed with exit code 100.
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.2.6)
Process completed with exit code 100.
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.5.4)
Process completed with exit code 100.
Ubuntu / build and test (ubuntu-24.04)
Process completed with exit code 100.
Sanitizers / UBSan
Process completed with exit code 100.
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.4.3)
Process completed with exit code 100.
iOS
Process completed with exit code 1.
Ubuntu (free-threading) / build and test (ubuntu-24.04)
Process completed with exit code 100.
Ubuntu SSL tests with AWS-LC (ubuntu-24.04, 1.55.0)
Process completed with exit code 100.
Sanitizers / TSan
Process completed with exit code 100.
Hypothesis tests on Ubuntu
Process completed with exit code 100.
macOS (free-threading) / build and test (macos-14)
Process completed with exit code 2.
Sanitizers / TSan (free-threading)
Process completed with exit code 100.
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 1.1.1w)
Process completed with exit code 100.
Ubuntu (bolt) / build and test (ubuntu-24.04)
Process completed with exit code 100.
Check if generated files are up to date
Process completed with exit code 100.
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.3.5)
Process completed with exit code 100.
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5114
‘ctx’ undeclared here (not in a function)
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5111
expected identifier or ‘(’ before ‘if’
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5110
expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘.’ token
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5109
expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘.’ token
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5104
expected identifier or ‘(’ before ‘if’
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5048
expected identifier or ‘(’ before ‘if’
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5042
label ‘finally’ used but not defined
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5032
‘space’ undeclared (first use in this function); did you mean ‘splice’?
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5032
‘bufsize’ undeclared (first use in this function)
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5025
‘maxcmsgslen’ undeclared (first use in this function)
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5114
‘ctx’ undeclared here (not in a function)
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5111
expected identifier or ‘(’ before ‘if’
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5110
expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘.’ token
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5109
expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘.’ token
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5104
expected identifier or ‘(’ before ‘if’
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5048
expected identifier or ‘(’ before ‘if’
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5042
label ‘finally’ used but not defined
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5032
‘space’ undeclared (first use in this function); did you mean ‘splice’?
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5032
‘bufsize’ undeclared (first use in this function)
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5025
‘maxcmsgslen’ undeclared (first use in this function)
macOS / build and test (macos-15-intel)
Process completed with exit code 2.
All required checks pass
Process completed with exit code 1.
macOS / build and test (macos-14)
Already linked: /opt/homebrew/Cellar/tcl-tk/9.0.3
macOS / build and test (macos-14)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-14)
gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm
macOS / build and test (macos-14)
xz 5.8.2 is already installed and up-to-date. To reinstall 5.8.2, run: brew reinstall xz
macOS / build and test (macos-14)
pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf
Hypothesis tests on Ubuntu
No files were found with the provided path: /.hypothesis/examples/. No artifacts will be uploaded.
macOS (free-threading) / build and test (macos-14)
Already linked: /opt/homebrew/Cellar/tcl-tk/9.0.3
macOS (free-threading) / build and test (macos-14)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS (free-threading) / build and test (macos-14)
gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm
macOS (free-threading) / build and test (macos-14)
xz 5.8.2 is already installed and up-to-date. To reinstall 5.8.2, run: brew reinstall xz
macOS (free-threading) / build and test (macos-14)
pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5120
parameter names (without types) in function declaration
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5120
type defaults to ‘int’ in declaration of ‘PyMem_Free’ [-Wimplicit-int]
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5120
data definition has no type or storage class
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5114
type defaults to ‘int’ in declaration of ‘retval’ [-Wimplicit-int]
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5114
data definition has no type or storage class
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L4942
unused variable ‘i’ [-Wunused-variable]
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L4951
unused variable ‘controlbuf’ [-Wunused-variable]
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L4954
unused variable ‘retval’ [-Wunused-variable]
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L4955
unused variable ‘ctx’ [-Wunused-variable]
Ubuntu / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5015
this ‘if’ clause does not guard... [-Wmisleading-indentation]
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5120
parameter names (without types) in function declaration
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5120
type defaults to ‘int’ in declaration of ‘PyMem_Free’ [-Wimplicit-int]
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5120
data definition has no type or storage class
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5114
type defaults to ‘int’ in declaration of ‘retval’ [-Wimplicit-int]
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5114
data definition has no type or storage class
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L4942
unused variable ‘i’ [-Wunused-variable]
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L4951
unused variable ‘controlbuf’ [-Wunused-variable]
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L4954
unused variable ‘retval’ [-Wunused-variable]
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L4955
unused variable ‘ctx’ [-Wunused-variable]
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm): Modules/socketmodule.c#L5015
this ‘if’ clause does not guard... [-Wmisleading-indentation]
macOS / build and test (macos-15-intel)
Already linked: /usr/local/Cellar/tcl-tk/9.0.3
macOS / build and test (macos-15-intel)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-15-intel)
gdbm 1.26 is already installed and up-to-date. To reinstall 1.26, run: brew reinstall gdbm
macOS / build and test (macos-15-intel)
xz 5.8.2 is already installed and up-to-date. To reinstall 5.8.2, run: brew reinstall xz
macOS / build and test (macos-15-intel)
pkgconf 2.5.1 is already installed and up-to-date. To reinstall 2.5.1, run: brew reinstall pkgconf