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[JENKINS-29936] when removing an item use ACL.SYTEM.
The OldDataMonitor should be using ACL.system not the ACL of the calling
thread - this also avoids the deadlock when an authorization strategy is
being saved (locking the auth strategy) which will call into the ODM at
the same point the ODM is being called an a Run has been saved (which will
cause a lookup of the job which will do a permissions check).

(cherry picked from commit 8a077a8)
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jtnord authored and olivergondza committed Aug 19, 2015
1 parent db1e2d2 commit 9a63d6f8cb734d99597c12263f232fc49604eeb0
Showing 1 changed file with 23 additions and 6 deletions.
@@ -25,6 +25,7 @@

import com.thoughtworks.xstream.converters.UnmarshallingContext;

import hudson.Extension;
import hudson.XmlFile;
import hudson.model.AdministrativeMonitor;
@@ -36,8 +37,10 @@
import hudson.model.listeners.ItemListener;
import hudson.model.listeners.RunListener;
import hudson.model.listeners.SaveableListener;
import hudson.util.RobustReflectionConverter;
import hudson.util.VersionNumber;

import java.util.ArrayList;
import java.util.Collection;
@@ -48,8 +51,13 @@
import java.util.TreeSet;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.annotation.CheckForNull;

import jenkins.model.Jenkins;

import org.acegisecurity.context.SecurityContext;
import org.acegisecurity.context.SecurityContextHolder;
import org.kohsuke.stapler.HttpRedirect;
import org.kohsuke.stapler.HttpResponse;
import org.kohsuke.stapler.HttpResponses;
@@ -102,12 +110,21 @@ public Map<Saveable,VersionRange> getData() {

private static void remove(Saveable obj, boolean isDelete) {
OldDataMonitor odm = get(Jenkins.getInstance());
synchronized (odm) {;
if (isDelete && obj instanceof Job<?,?>)
for (Run r : ((Job<?,?>)obj).getBuilds());
Jenkins j = Jenkins.getInstance();
if (j != null) {
OldDataMonitor odm = get(j);
SecurityContext oldContext = ACL.impersonate(ACL.SYSTEM);
try {
synchronized (odm) {;
if (isDelete && obj instanceof Job<?,?>)
for (Run r : ((Job<?,?>)obj).getBuilds());
finally {

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