diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/tdb/common/transaction.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/tdb/common/transaction.c b/lib/tdb/common/transaction.c index 080d0586c3..a2c3bbdff3 100644 --- a/lib/tdb/common/transaction.c +++ b/lib/tdb/common/transaction.c @@ -762,7 +762,12 @@ static int tdb_recovery_allocate(struct tdb_context *tdb, tdb->page_size) - sizeof(rec); - new_end = recovery_head + sizeof(rec) + *recovery_max_size; + if (!tdb_add_off_t(recovery_head, sizeof(rec), &new_end) || + !tdb_add_off_t(new_end, *recovery_max_size, &new_end)) { + TDB_LOG((tdb, TDB_DEBUG_FATAL, "tdb_recovery_allocate: " + "overflow recovery area\n")); + return -1; + } if (methods->tdb_expand_file(tdb, tdb->transaction->old_map_size, new_end - tdb->transaction->old_map_size) |