LU-6109 lfsck: check FID validity before locating object

[fs/lustre-release.git] / lustre / lfsck / lfsck_engine.c

diff --git a/lustre/lfsck/lfsck_engine.c b/lustre/lfsck/lfsck_engine.c
index 9c06357..8eb6f02 100644 (file)
--- a/lustre/lfsck/lfsck_engine.c
+++ b/lustre/lfsck/lfsck_engine.c
@@ -933,6 +933,13 @@ static int lfsck_master_oit_engine(const struct lu_env *env,
                                goto checkpoint;
                }
 
+               if (unlikely(!fid_is_sane(fid))) {
+                       CDEBUG(D_LFSCK, "%s: OIT scan find invalid FID "DFID
+                              ", skip it\n",
+                              lfsck_lfsck2name(lfsck), PFID(fid));
+                       goto checkpoint;
+               }
+
                if (fid_is_idif(fid)) {
                        __u32 idx1 = fid_idif_ost_idx(fid);