From 4621d82ea59a9d46f03203102aca9d50a7866713 Mon Sep 17 00:00:00 2001
From: junxiang Mu <1948535941@qq.com>
Date: Tue, 9 Jul 2024 15:37:34 +0800
Subject: [PATCH] src/crimson/osd/scrub: fix the null pointer error

Fixes: https://tracker.ceph.com/issues/66405
Signed-off-by: junxiang Mu <1948535941@qq.com>
(cherry picked from commit 37f772172f4dcaa3214229f577bea0289b21b5d8)
---
 src/crimson/osd/scrub/scrub_validator.cc | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/crimson/osd/scrub/scrub_validator.cc b/src/crimson/osd/scrub/scrub_validator.cc
index a3979f790bca..9b38d2a89eca 100644
--- a/src/crimson/osd/scrub/scrub_validator.cc
+++ b/src/crimson/osd/scrub/scrub_validator.cc
@@ -60,13 +60,15 @@ shard_evaluation_t evaluate_object_shard(
   if (from == policy.primary) {
     ret.shard_info.primary = true;
   }
-  if (!maybe_obj || maybe_obj->negative) {
-    // impossible since chunky scrub was introduced
-    ceph_assert(!maybe_obj->negative);
+
+  if (!maybe_obj) {
     ret.shard_info.set_missing();
     return ret;
   }
 
+  // impossible since chunky scrub was introduced
+  ceph_assert(!maybe_obj->negative);
+
   auto &obj = *maybe_obj;
   /* We are ignoring ScrubMap::object::large_omap_object*, object_omap_* is all the
    * info we need */
-- 
2.47.3