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gh-132470: Prevent crash in ctypes.CField when byte_size is incorrect #132475

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Merged
merged 6 commits into from
Apr 22, 2025
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gh-132470: Prevent crash in ctypes.CField when byte_size is incorrect #132475

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Fix: Prevent crash in ctypes.CField when byte_size does not match typ…
dura0ok Apr 13, 2025
3377d9a
Add regression test for invalid byte_size in ctypes.CField
dura0ok Apr 13, 2025
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add news
dura0ok Apr 13, 2025
b20b0d8
fix review test
dura0ok Apr 13, 2025
be00372
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dura0ok Apr 16, 2025
1d5f7cb
fix space
dura0ok Apr 16, 2025
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Co-authored-by: sobolevn <mail@sobolevn.me>
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dura0ok and sobolevn authored Apr 16, 2025
commit be003721c9c05b4e368e43b23894268af4beba02
16 changes: 2 additions & 14 deletions 16 Misc/NEWS.d/next/C_API/2025-04-13-20-52-39.gh-issue-132470.UqBQjN.rst
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Original file line number Diff line number Diff line change
@@ -1,14 +1,2 @@
Creating a ctypes.CField with a byte_size that does not match the actual
type size now raises a ValueError instead of crashing the interpreter. #
Please enter the relevant GitHub issue number here: #

# # Uncomment one of these "section:" lines to specify which section # this
entry should go in in Misc/NEWS.d. # #.. section: Security #.. section: Core
and Builtins #.. section: Library #.. section: Documentation #.. section:
Tests #.. section: Build #.. section: Windows #.. section: macOS #..
section: IDLE #.. section: Tools/Demos #.. section: C API

# Write your Misc/NEWS.d entry below. It should be a simple ReST paragraph.
# Don't start with "- Issue #<n>: " or "- gh-issue-<n>: " or that sort of
stuff.
###########################################################################
Creating a :class:`ctypes.CField` with a *byte_size* that does not match the actual
type size now raises a :exc:`ValueError` instead of crashing the interpreter.
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