From: Myna V <mynaramana@gmail.com>
Date: Sat, 2 Sep 2017 08:34:37 +0000 (+0530)
Subject: Added sanity checks in ECUtil::decode for input repair buffer sizes before
X-Git-Tag: v13.0.1~326^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=1ab883b9725c2ecb5d30e938bdd5347ef788be12;p=ceph.git

Added sanity checks in ECUtil::decode for input repair buffer sizes before
it asserts for non-zeros size.

Authors: Myna, Elita.

Signed-off-by: Myna Vajha <mynaramana@gmail.com>
---

diff --git a/src/osd/ECUtil.cc b/src/osd/ECUtil.cc
index d7a64e4e180..c7ce7b3042c 100644
--- a/src/osd/ECUtil.cc
+++ b/src/osd/ECUtil.cc
@@ -52,6 +52,13 @@ int ECUtil::decode(
 
   assert(to_decode.size());
 
+  for (auto i = to_decode.begin();
+       i != to_decode.end();
+       ++i) {
+    if(i->second.length() == 0)
+      return 0;
+  }
+
   set<int> need;
   for (map<int, bufferlist*>::iterator i = out.begin();
        i != out.end();