osd: EINVAL on truncate to huge object size

Signed-off-by: Sage Weil <sage@newdream.net>

diff --git a/src/osd/ReplicatedPG.cc b/src/osd/ReplicatedPG.cc
index 7b2dd8a1a45da85bbb72d01602874ec27f4c8dd3..e431f1a4dede14d493098a56029f4ebbf4a58c08 100644 (file)
--- a/src/osd/ReplicatedPG.cc
+++ b/src/osd/ReplicatedPG.cc
@@ -1699,7 +1699,11 @@ int ReplicatedPG::do_osd_ops(OpContext *ctx, vector<OSDOp>& ops,
       // falling through
 
     case CEPH_OSD_OP_TRUNCATE:
-      { // truncate
+      if (op.extent.truncate_size > (1ULL << 63)) {
+       dout(10) << " truncate to huge size probably a client bug" << dendl;
+       result = -EINVAL;
+      } else {
+       // truncate
        if (!obs.exists) {
          dout(10) << " object dne, truncate is a no-op" << dendl;
          break;