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s4-ldb: cope with bad ptr alignment in ldb_index.c

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We can't assume that a rec_ptr will come back from a tdb traverse with
alignment sufficient for a pointer.
This commit is contained in:
Andrew Tridgell 2010-01-16 08:58:27 +11:00
parent 5c016ad88e
commit a56ede9027
1 changed files with 3 additions and 3 deletions
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6
source4/lib/ldb/ldb_tdb/ldb_index.c
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@ -103,12 +103,12 @@ static struct dn_list *ltdb_index_idxptr(struct ldb_module *module, TDB_DATA rec
"Bad data size for idxptr %u", (unsigned)rec.dsize);
return NULL;
}
list = talloc_get_type(*(struct dn_list **)rec.dptr, struct dn_list);
memcpy(&list, rec.dptr, sizeof(void *));
list = talloc_get_type(list, struct dn_list);
if (list == NULL) {
ldb_asprintf_errstring(ldb_module_get_ctx(module),
"Bad type '%s' for idxptr",
talloc_get_name(*(struct dn_list **)rec.dptr));
talloc_get_name(list));
return NULL;
}
if (check_parent && list->dn && talloc_parent(list->dn) != list) {