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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2014-05-06 15:14:51 +0300 |
|---|---|---|
| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2014-05-06 15:17:07 +0300 |
| commit | e0070a6858cfcd2c4129dfa93bc042d6d86732c8 (patch) | |
| tree | 26564d889d42a52da0ec5866a347003fcd34f296 | |
| parent | fb66e88cf8f7ce7abf27cff1570a703e1cb8f562 (diff) | |
Fix use of free in walsender error handling after a sysid mismatch.
Found via valgrind. The bug exists since the introduction of the walsender,
so backpatch to 9.0.
Andres Freund
| -rw-r--r-- | src/backend/replication/libpqwalreceiver/libpqwalreceiver.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c b/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c index 0831b1b2ded..85aa12714c5 100644 --- a/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c +++ b/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c @@ -135,6 +135,7 @@ libpqrcv_connect(char *conninfo, XLogRecPtr startpoint) GetSystemIdentifier()); if (strcmp(primary_sysid, standby_sysid) != 0) { + primary_sysid = pstrdup(primary_sysid); PQclear(res); ereport(ERROR, (errmsg("database system identifier differs between the primary and standby"), |