osd: return ERANGE if set_chunk tries to set large range

over the object size

We allow existing snapshot to be set as a chunk. So,
return ERAMGE if set_chunk's range is over the object
size

Signed-off-by: Myoungwon Oh <myoungwon.oh@samsumg.com>

diff --git a/src/osd/PrimaryLogPG.cc b/src/osd/PrimaryLogPG.cc
index 18e7f2ca3ac9b9ebcfdb8c2eacd7ad412eb4466b..89a5b5716db962c3cd35e040964dad5f68498315 100644 (file)
--- a/src/osd/PrimaryLogPG.cc
+++ b/src/osd/PrimaryLogPG.cc
@@ -7008,6 +7008,10 @@ int PrimaryLogPG::do_osd_ops(OpContext *ctx, vector<OSDOp>& ops)
          result = -EINVAL;
          goto fail;
        }
+       if (src_offset + src_length > oi.size) {
+         result = -ERANGE;
+         goto fail;
+       }
 
        for (auto &p : oi.manifest.chunk_map) {
          if ((p.first <= src_offset && p.first + p.second.length > src_offset) ||