[SSHD-1290] Race condition is logged in ChannelAsyncOutputStream

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.9.0
• Fix Version/s: 2.9.1
• Assignee: Unassigned
• Reporter: Evgeny Pasynkov
• Created: 11/Aug/22 11:55
• Updated: 13/Aug/22 11:31
• Resolved: 13/Aug/22 11:31

Description

After upgrading to 2.9.0 I start receiving in logs records like

onWritten(ChannelAsyncOutputStream[[id=0, recipient=0]-SSHServerSessionEx[****]] cmd=SSH_MSG_CHANNEL_DATA) future changed

Which looks suspicious to racy data structure updates