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Initialize conn->Pfdebug to NULL when creating a connection

author Alvaro Herrera <alvherre@alvh.no-ip.org>

2021年3月31日 22:16:58 +0000 (19:16 -0300)

committer Alvaro Herrera <alvherre@alvh.no-ip.org>

2021年3月31日 22:19:57 +0000 (19:19 -0300)

Failing to do this can cause a crash, and I suspect is what has happened
with a buildfarm member reporting mysterious failures.

This is an ancient bug, but I'm not backpatching since evidently nobody
cares about PQtrace in older releases.

Discussion: https://postgr.es/m/3333908.1617227066@sss.pgh.pa.us

src/interfaces/libpq/fe-connect.c patch | blob | blame | history

diff --git a/src/interfaces/libpq/fe-connect.c b/src/interfaces/libpq/fe-connect.c

index a90bdb8ab6d6e83c086e6b0aa2ab65b8b20db482..56a8266bc3fc0a58c1e3fbeb45c142a57b2869c1 100644 (file)

--- a/src/interfaces/libpq/fe-connect.c

+++ b/src/interfaces/libpq/fe-connect.c

@@ -3952,6 +3952,7 @@ makeEmptyPGconn(void)

conn->verbosity = PQERRORS_DEFAULT;

conn->show_context = PQSHOW_CONTEXT_ERRORS;

conn->sock = PGINVALID_SOCKET;

+ conn->Pfdebug = NULL;

* We try to send at least 8K at a time, which is the usual size of pipe

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