Include the string terminator in GID size calculation

diff --git a/src/backend/access/transam/twophase.c b/src/backend/access/transam/twophase.c
index 61b9feb2f043818c86ee69fe84c482038f841adc..67b9fb0d743a202e23165cc5cb1f2519fd3693b6 100644 (file)
--- a/src/backend/access/transam/twophase.c
+++ b/src/backend/access/transam/twophase.c
@@ -995,7 +995,7 @@ StartPrepare(GlobalTransaction gxact)
        hdr.nabortrels = smgrGetPendingDeletes(false, &abortrels);
        hdr.ninvalmsgs = xactGetCommittedInvalidationMessages(&invalmsgs,
                                                                                                                  &hdr.initfileinval);
-       hdr.gidlen = strlen(gxact->gid);
+       hdr.gidlen = strlen(gxact->gid) + 1; /* Include '\0' */
 
        save_state_data(&hdr, sizeof(TwoPhaseFileHeader));
        save_state_data(gxact->gid, hdr.gidlen);