From: Ruediger Pluem <rpluem@apache.org>
Date: Thu, 3 Jun 2021 18:31:15 +0000 (+0000)
Subject: * We could get here again if a second thread deals with the
X-Git-Tag: 2.5.0-alpha2-ci-test-only~929
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0192aa68b454b75b171b61f6f101e25b48d857be;p=thirdparty%2Fapache%2Fhttpd.git

* We could get here again if a second thread deals with the
  signal as well. Should noit happen on prefork, but better
  safe than sorry.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1890441 13f79535-47bb-0310-9956-ffa450edef68
---

diff --git a/server/mpm/prefork/prefork.c b/server/mpm/prefork/prefork.c
index 732dabfe870..51d5211bd01 100644
--- a/server/mpm/prefork/prefork.c
+++ b/server/mpm/prefork/prefork.c
@@ -226,6 +226,11 @@ static void clean_child_exit(int code)
 
     if (pchild) {
         apr_pool_destroy(pchild);
+        /*
+         * Be safe in case someone still uses afterwards or we get here again.
+         * Should not happen.
+         */
+        pchild = NULL;
     }
 
     if (one_process) {