From: Casey Bodley <cbodley@redhat.com>
Date: Mon, 15 Aug 2022 19:41:06 +0000 (-0400)
Subject: rgw/coroutine: check for null stack on wakeup
X-Git-Tag: v16.2.13~31^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=e0ccd2564b47683fe7e7af4ecbb8d6fe9aac7f10;p=ceph.git

rgw/coroutine: check for null stack on wakeup

Fixes: https://tracker.ceph.com/issues/56920

Signed-off-by: Casey Bodley <cbodley@redhat.com>
(cherry picked from commit a8250553c6fec5837c45465871f93d386b39584d)
---

diff --git a/src/rgw/rgw_coroutine.cc b/src/rgw/rgw_coroutine.cc
index 0e474ae148e9..4a2bb15861d8 100644
--- a/src/rgw/rgw_coroutine.cc
+++ b/src/rgw/rgw_coroutine.cc
@@ -1037,7 +1037,9 @@ bool RGWCoroutine::drain_children(int num_cr_left,
 
 void RGWCoroutine::wakeup()
 {
-  stack->wakeup();
+  if (stack) {
+    stack->wakeup();
+  }
 }
 
 RGWCoroutinesEnv *RGWCoroutine::get_env() const