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gh-129409: Fix Integer overflow - SEGV while writing data more than 2GB in CSV file #129413

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Merged
merged 7 commits into from
Jan 29, 2025
Merged

gh-129409: Fix Integer overflow - SEGV while writing data more than 2GB in CSV file #129413

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ea65e69
Fix a SEGV in _csv.c module by modifying int type to Py_ssize_t
srinivasreddy Jan 28, 2025
33edb99
Add a test case for writing data that is over 2GB
srinivasreddy Jan 28, 2025
8e23d25
Undo the test
srinivasreddy Jan 29, 2025
2a23bc4
Merge branch 'main' into gh-129409
srinivasreddy Jan 29, 2025
584074a
Revert to main
srinivasreddy Jan 29, 2025
c5761ec
Add blurb notes
srinivasreddy Jan 29, 2025
f23f20e
I think this captures better
srinivasreddy Jan 29, 2025
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2 changes: 1 addition & 1 deletion Modules/_csv.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1138,7 +1138,7 @@ join_append_data(WriterObj *self, int field_kind, const void *field_data,
int copy_phase)
{
DialectObj *dialect = self->dialect;
int i;
Py_ssize_t i;
Py_ssize_t rec_len;

#define INCLEN \
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