From: Matt Benjamin <mbenjamin@redhat.com>
Date: Wed, 27 Mar 2024 22:33:56 +0000 (-0400)
Subject: rgwlc: check for no-bucket at bucket_lc_process() preamble
X-Git-Tag: v19.1.0~58^2
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=a89a0966f83484a6cfc9e7fc79c625a30cbeb0b7;p=ceph.git

rgwlc: check for no-bucket at bucket_lc_process() preamble

Avoids trivial segfault deferencing the bucket pointer.

Fixes: https://tracker.ceph.com/issues/65188

Signed-off-by: Matt Benjamin <mbenjamin@redhat.com>
(cherry picked from commit d5f6fe772f83d9e6b1ebaafdb1e8274041b0d684)
---

diff --git a/src/rgw/rgw_lc.cc b/src/rgw/rgw_lc.cc
index 4eec850eafd1a..1be5372ae3465 100644
--- a/src/rgw/rgw_lc.cc
+++ b/src/rgw/rgw_lc.cc
@@ -2104,7 +2104,7 @@ int RGWLC::process_bucket(int index, int max_lock_secs, LCWorker* worker,
   }
 
   /* do nothing if no bucket */
-  if (entry->get_bucket().empty()) {
+  if ((! entry) || entry->get_bucket().empty()) {
     return ret;
   }