[
https://issues.apache.org/jira/browse/SSHD-982?focusedWorklogId=425727&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-425727
]
ASF GitHub Bot logged work on SSHD-982:
---------------------------------------
Author: ASF GitHub Bot
Created on: 21/Apr/20 14:53
Start Date: 21/Apr/20 14:53
Worklog Time Spent: 10m
Work Description: FliegenKLATSCH commented on a change in pull request
#124:
URL: https://github.com/apache/mina-sshd/pull/124#discussion_r412255847
##########
File path:
sshd-core/src/main/java/org/apache/sshd/client/keyverifier/KnownHostsServerKeyVerifier.java
##########
@@ -153,35 +153,43 @@ public void
setModifiedServerKeyAcceptor(ModifiedServerKeyAcceptor acceptor) {
@Override
public boolean verifyServerKey(ClientSession clientSession, SocketAddress
remoteAddress, PublicKey serverKey) {
- Collection<HostEntryPair> knownHosts = getLoadedHostsEntries();
try {
if (checkReloadRequired()) {
Path file = getPath();
if (exists()) {
- knownHosts = reloadKnownHosts(clientSession, file);
+ updateReloadAttributes();
+ keysSupplier =
GenericUtils.memoizeLock(getKnownHostSupplier(clientSession, file));
Review comment:
Yes, but should not be an issue. If you have an idea how to make it even
more robust I am happy to implement it..
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Issue Time Tracking
-------------------
Worklog Id: (was: 425727)
Time Spent: 40m (was: 0.5h)
> Race condition when loading known hosts
> ---------------------------------------
>
> Key: SSHD-982
> URL: https://issues.apache.org/jira/browse/SSHD-982
> Project: MINA SSHD
> Issue Type: Bug
> Affects Versions: 2.4.0
> Reporter: FliegenKLATSCH
> Priority: Minor
> Time Spent: 40m
> Remaining Estimate: 0h
>
> When multiple (client) connections are instantiated in parallel the loaded
> known hosts collection might be empty and therefore host key verification
> fails.
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