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Re: Use after free? in fe-connect.c:closePGconn - Mailing list pgsql-bugs

From Tom Lane
Subject Re: Use after free? in fe-connect.c:closePGconn
Date
Msg-id 15516.1466031953@sss.pgh.pa.us
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In response to Use after free? in fe-connect.c:closePGconn  (Ranier VF <ranier_gyn@hotmail.com>)
Responses Re: Use after free? in fe-connect.c:closePGconn  (Ranier VF <ranier_gyn@hotmail.com>)
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Ranier VF <ranier_gyn@hotmail.com> writes:
> In  [d:\pginstaller.auto\postgres.windows\src\interfaces\libpq\fe-connect.c,
> closePGconn(PGconn *conn):
> Does not check if conn is NULL.

All the callers do, so I don't entirely see your point.

The stack traces you show look to me like the fault is probably in
the caller, ie, calling PQfinish twice on the same "conn".

            regards, tom lane

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