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_pyrepl._minimal_curses.tigetstr
segfaults
#126456
Labels
3.13
bugs and security fixes
3.14
new features, bugs and security fixes
topic-repl
Related to the interactive shell
type-crash
A hard crash of the interpreter, possibly with a core dump
Comments
devdanzin
added
the
type-crash
A hard crash of the interpreter, possibly with a core dump
label
Nov 5, 2024
ZeroIntensity
added
3.13
bugs and security fixes
3.14
new features, bugs and security fixes
topic-repl
Related to the interactive shell
labels
Nov 6, 2024
vstinner
added a commit
to vstinner/cpython
that referenced
this issue
Nov 6, 2024
I wrote #126472 to fix it. |
vstinner
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Nov 13, 2024
miss-islington
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Nov 13, 2024
(cherry picked from commit b2bbdc5) Co-authored-by: Victor Stinner <[email protected]>
Fixed in the main branch, the backport to 3.13 will follow. Thanks for your bug report @devdanzin. |
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picnixz
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Labels
3.13
bugs and security fixes
3.14
new features, bugs and security fixes
topic-repl
Related to the interactive shell
type-crash
A hard crash of the interpreter, possibly with a core dump
Crash report
What happened?
Calling
tigetstr
from the_pyrepl._minimal_curses
module segfaults, on free-threading or normal builds:It happens in the return line of the function, on access of the
.value
attribute:cpython/Lib/_pyrepl/_minimal_curses.py
Lines 55 to 61 in 5e91684
Backtrace looks like:
This issue doesn't affect
curses.tigetstr
.Found using fusil by @vstinner.
CPython versions tested on:
CPython main branch
Operating systems tested on:
Linux
Output from running 'python -VV' on the command line:
Python 3.14.0a1+ experimental free-threading build (heads/main-dirty:bfc1d2504c, Nov 4 2024, 07:55:58) [GCC 11.4.0]
Linked PRs
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