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gh-111178: fix UBSan failures in Modules/_io/*.c #129083

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Merged
encukou merged 19 commits into from
Feb 8, 2025
Merged

gh-111178: fix UBSan failures in Modules/_io/*.c #129083

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37bc556
fix UBSan failures for `buffered`
picnixz Jan 20, 2025
36f5adc
fix UBSan failures for `rwpair`
picnixz Jan 20, 2025
2a02293
fix UBSan failures for `bytesio`
picnixz Jan 20, 2025
fc3cd12
fix UBSan failures for `bytesiobuf`
picnixz Jan 20, 2025
cd728f5
fix UBSan failures for `iobase`
picnixz Jan 20, 2025
0da5a81
fix UBSan failures for `stringio`
picnixz Jan 20, 2025
9889af8
fix UBSan failures for `nldecoder_object`
picnixz Jan 20, 2025
19ed68d
fix UBSan failures for `textio`
picnixz Jan 20, 2025
249ec3e
fix UBSan failures for `winconsoleio`
picnixz Jan 20, 2025
cf44141
reduce diff
picnixz Jan 20, 2025
a9b3ca6
add some new lines
picnixz Jan 20, 2025
9cb97c2
Merge remote-tracking branch 'upstream/main' into fix/ubsan/io-111178
picnixz Jan 25, 2025
416d740
post-merge fix
picnixz Jan 25, 2025
c6f2d0e
use 'ignored' for NOARGS method and 'args' for others
picnixz Feb 6, 2025
ec1e15d
use 'dummy' for NOARGS method
picnixz Feb 6, 2025
14c0684
Merge remote-tracking branch 'upstream/main' into fix/ubsan/io-111178
picnixz Feb 7, 2025
b192d6c
Merge branch 'main' into fix/ubsan/io-111178
picnixz Feb 7, 2025
bb95ac0
Do not add an underscore to the macro if none is needed.
picnixz Feb 8, 2025
2340cae
Do Do not use `_` + capital letter in cast macros as it is also UB.
picnixz Feb 8, 2025
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Merge remote-tracking branch 'upstream/main' into fix/ubsan/io-111178
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@picnixz
picnixz committed Jan 25, 2025
commit 9cb97c233e70bf459a5eb2a0ff1399105a740f84
4 changes: 2 additions & 2 deletions Modules/_io/stringio.c
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Original file line number Diff line number Diff line change
Expand Up @@ -626,8 +626,8 @@ stringio_dealloc(PyObject *op)
PyMem_Free(self->buf);
self->buf = NULL;
}
_PyUnicodeWriter_Dealloc(&self->writer);
(void)stringio_clear(op);
PyUnicodeWriter_Discard(self->writer);
(void)stringio_clear(self);
if (self->weakreflist != NULL) {
PyObject_ClearWeakRefs(op);
}
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