add overflow tests on pack offset variables

diff --git a/builtin-fsck.c b/builtin-fsck.c
index 4d8b66c344422dd60c72c72bbfbc5aa87be7907e..44a02d3120128d4956604c4254fbdd9809a36833 100644 (file)
--- a/builtin-fsck.c
+++ b/builtin-fsck.c
@@ -653,7 +653,7 @@ int cmd_fsck(int argc, char **argv, const char *prefix)
                        verify_pack(p, 0);
 
                for (p = packed_git; p; p = p->next) {
-                       uint32_t i, num = num_packed_objects(p);
+                       uint32_t i, num = p->num_objects;
                        for (i = 0; i < num; i++)
                                fsck_sha1(nth_packed_object_sha1(p, i));
                }