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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 15:16:51 +0300 |
| commit | a7a3e71c8592a530f9a605aea4f08af7ad8e0ab3 (patch) | |
| tree | 0b3321083b09bd605987b094f4eeb3019797dce3 | |
| parent | b4eeb9d58ec9237a3f2a9d6c5b1d4374beb2e675 (diff) | |
| download | postgresql-a7a3e71c8592a530f9a605aea4f08af7ad8e0ab3.tar.gz postgresql-a7a3e71c8592a530f9a605aea4f08af7ad8e0ab3.zip | |
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 6bc0aa1c12c..1cb2c6e524d 100644 --- a/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c +++ b/src/backend/replication/libpqwalreceiver/libpqwalreceiver.c @@ -151,6 +151,7 @@ libpqrcv_identify_system(TimeLineID *primary_tli) 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"), |