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Diffstat (limited to 'src/backend/access/transam/xact.c')
| -rw-r--r-- | src/backend/access/transam/xact.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/access/transam/xact.c b/src/backend/access/transam/xact.c index adf763a8ea4..8964ddf3ebf 100644 --- a/src/backend/access/transam/xact.c +++ b/src/backend/access/transam/xact.c @@ -5353,8 +5353,9 @@ SerializeTransactionState(Size maxsize, char *start_address) { if (FullTransactionIdIsValid(s->fullTransactionId)) workspace[i++] = XidFromFullTransactionId(s->fullTransactionId); - memcpy(&workspace[i], s->childXids, - s->nChildXids * sizeof(TransactionId)); + if (s->nChildXids > 0) + memcpy(&workspace[i], s->childXids, + s->nChildXids * sizeof(TransactionId)); i += s->nChildXids; } Assert(i == nxids); |