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gh-157379: Fix crash in csv.reader with re-entrant iterator at end of input #209478

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gh-157379: Fix crash in csv.reader with re-entrant iterator at end of input

gh-157379: Fix crash in csv.reader with re-entrant iterator at end of input #209478

Triggered via pull request September 14, 2026 18:17
@JohannesGezachewJohannesGezachew
opened #157511
JohannesGezachew:gh-157379-csv-reader-reentrant-eof
Status Success
Total duration 31m 59s
Artifacts 2

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
Matrix: build-ubuntu
Matrix: build-windows
Matrix: cifuzz
Docs  /  Doctest
7m 21s
Docs / Doctest
Docs  /  Check EPUB
1m 54s
Docs / Check EPUB
Check if Autoconf files are up to date
30s
Check if Autoconf files are up to date
Check if generated files are up to date
4m 48s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
10s
C API Docs / Check if all C APIs are documented
Ubuntu (installed)  /  build, install and test
6m 31s
Ubuntu (installed) / build, install and test
iOS
23m 34s
iOS
Emscripten  /  build and test
21m 8s
Emscripten / build and test
WASI  /  build and test
5m 33s
WASI / build and test
Hypothesis tests on Ubuntu
11m 9s
Hypothesis tests on Ubuntu
Cross build Linux
4m 47s
Cross build Linux
Docs  /  Docs
2m 17s
Docs / Docs
Matrix: build-android
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Docs / Check for removed HTML IDs / Check for removed HTML IDs
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All required checks pass
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2 errors, 7 warnings, and 2 notices
Docs / Check EPUB
Process completed with exit code 1.
Docs / Docs
Process completed with exit code 2.
Cross build Linux: Parser/lexer/string.c#L81
variable ‘previous_end’ set but not used [-Wunused-but-set-variable]
Ubuntu (installed) / build, install and test: Parser/lexer/string.c#L81
variable ‘previous_end’ set but not used [-Wunused-but-set-variable]
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.
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!
Address sanitizer (ubuntu-26.04): Parser/lexer/string.c#L81
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!
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"
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"

Artifacts

Produced during runtime
Name Size Digest
UBSan-logs-default
1.59 KB
sha256:55d1d53eb2c6d77de7e4c9105735e54ecfe44e91af0342728b01b60e1d8893a5
html-ids-head.json.gz
129 KB
sha256:02e941eb63c08f8cb1ffd9a5f91dad0d2749ce8b7d00d6439775f6a731d1da6d