diff options
Diffstat (limited to 'lib/tdb/common/open.c')
| -rw-r--r-- | lib/tdb/common/open.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/tdb/common/open.c b/lib/tdb/common/open.c index ec45689ffc..2965ea77b5 100644 --- a/lib/tdb/common/open.c +++ b/lib/tdb/common/open.c @@ -385,7 +385,17 @@ _PUBLIC_ struct tdb_context *tdb_open_ex(const char *name, int hash_size, int td goto fail; } + /* Beware truncation! */ tdb->map_size = st.st_size; + if (tdb->map_size != st.st_size) { + /* Ensure ecode is set for log fn. */ + tdb->ecode = TDB_ERR_IO; + TDB_LOG((tdb, TDB_DEBUG_FATAL, "tdb_open_ex: " + "len %llu too large!\n", (long long)st.st_size)); + errno = EIO; + goto fail; + } + tdb->device = st.st_dev; tdb->inode = st.st_ino; tdb_mmap(tdb); |