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>

diff --git a/src/rgw/rgw_lc.cc b/src/rgw/rgw_lc.cc
index deb74465600b2588621a5ec750915f1c048d2d88..1d73463b70989542453ad02ee7c787879855f050 100644 (file)
--- 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;
   }