From: Mykola Golub <mgolub@suse.com>
Date: Tue, 21 Sep 2021 10:28:31 +0000 (+0100)
Subject: osd: no need to crash in deep scrub if hash info is invalid
X-Git-Tag: v16.2.7~60^2~3
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=b39d8bfe84811b35b80d05f6d9340d8e7127b67f;p=ceph.git

osd: no need to crash in deep scrub if hash info is invalid

Signed-off-by: Mykola Golub <mgolub@suse.com>
(cherry picked from commit 104d8df5f44cf522422914b254536f42bbe31172)
---

diff --git a/src/osd/ECBackend.cc b/src/osd/ECBackend.cc
index a621ba3aa3ee6..b11ad496dcf0f 100644
--- a/src/osd/ECBackend.cc
+++ b/src/osd/ECBackend.cc
@@ -2587,7 +2587,11 @@ int ECBackend::be_deep_scrub(
     return 0;
   } else {
     if (!get_parent()->get_pool().allows_ecoverwrites()) {
-      ceph_assert(hinfo->has_chunk_hash());
+      if (!hinfo->has_chunk_hash()) {
+        dout(0) << "_scan_list  " << poid << " got invalid hash info" << dendl;
+        o.ec_size_mismatch = true;
+        return 0;
+      }
       if (hinfo->get_total_chunk_size() != (unsigned)pos.data_pos) {
 	dout(0) << "_scan_list  " << poid << " got incorrect size on read 0x"
 		<< std::hex << pos