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[3.13] gh-109638: Fix exponential time in csv.Sniffer for doubled quotes (GH-154868) #204389

[3.13] gh-109638: Fix exponential time in csv.Sniffer for doubled quotes (GH-154868)

[3.13] gh-109638: Fix exponential time in csv.Sniffer for doubled quotes (GH-154868) #204389

Triggered via pull request August 3, 2026 10:33
Status Failure
Total duration 20m 7s
Artifacts 4

build.yml

on: pull_request
Change detection  /  Create context from changed files
10s
Change detection / Create context from changed files
Matrix: Address sanitizer
Matrix: build-macos
Matrix: build-san
Matrix: Ubuntu SSL tests with OpenSSL
Matrix: build-ubuntu
Matrix: build-windows-msi
Waiting for pending jobs
Matrix: build-windows
Matrix: cifuzz
Docs  /  Docs
1m 54s
Docs / Docs
Docs  /  Doctest
6m 17s
Docs / Doctest
Docs  /  Check EPUB
2m 21s
Docs / Check EPUB
Check if Autoconf files are up to date
33s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 32s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
13s
C API Docs / Check if all C APIs are documented
WASI  /  build and test
7m 21s
WASI / build and test
Hypothesis tests on Ubuntu
5m 44s
Hypothesis tests on Ubuntu
Check if the ABI has changed
1m 59s
Check if the ABI has changed
Matrix: build-android
All required checks pass
5s
All required checks pass
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Annotations

2 errors and 16 warnings
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
Check if the ABI has changed
The `python-version` input is not set. The version of Python currently in `PATH` will be used.
Windows (free-threading) / build (arm64): Modules/unicodedata.c#L1568
'function': conversion from 'size_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]
Windows / build (arm64): Modules/unicodedata.c#L1568
'function': conversion from 'size_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]
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-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Modules/_decimal/libmpdec/io.c#L349
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Address sanitizer (ubuntu-24.04): Python/import.c#L1197
‘__builtin_strncpy’ output truncated before terminating nul copying as many bytes from a string as its length [-Wstringop-truncation]
Address sanitizer (ubuntu-24.04): Include/internal/pycore_dict.h#L302
writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Windows / build and test (x64): Modules/unicodedata.c#L1568
'function': conversion from 'size_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]
Windows (free-threading) / build and test (x64): Modules/unicodedata.c#L1568
'function': conversion from 'size_t' to 'int', possible loss of data [D:\a\cpython\cpython\PCbuild\unicodedata.vcxproj]

Artifacts

Produced during runtime
Name Size Digest
TSan-logs-free-threading
1.77 KB
sha256:a0e4f4d74f524a2ef65ed91e289e8a86279997ee9a63921eb04b669ea7e13c4b
address-artifacts
2.69 KB
sha256:28087bb02c69758258057f414a2f9fef344a11355118bf23372deb91ff396bfb
memory-artifacts
1.91 KB
sha256:d0e9348fe1c0c8330cbc7ccbaeb7a3c13958d3fd5458e303ed826b92ccaf3da6
undefined-artifacts
1.89 KB
sha256:78a827af50eac0dacf5641375448eb67c82899c967a4d64b7036f43df0bf7724