[issue12569] sqlite3 segfaults and bus errors when given certain unicode strings as queries

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc <amauryfa at gmail.com> added the comment:

The fix was c073f3c3276e (thanks to hg bisect)
the variable operation_cstr is not used before the call to pysqlite_cache_get(), which also tries to encode the statement into utf8 and correctly raises an exception.
In early 3.1.2, the segfault came from the DECREF of an uninitialized member...

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue12569>
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