Bug 15995 - smbd does not cleanup on disconnect of the transport connection on lease break errors
Summary: smbd does not cleanup on disconnect of the transport connection on lease brea...
Status: RESOLVED FIXED
Alias: None
Product: Samba 4.1 and newer
Classification: Unclassified
Component: File services (show other bugs)
Version: 4.23.0
Hardware: All All
: P5 normal (vote)
Target Milestone: ---
Assignee: Samba release manager
QA Contact: Samba QA Contact
URL: https://gitlab.com/samba-team/samba/-...
Keywords:
Depends on:
Blocks:
 
Reported: 2026-02-09 12:11 UTC by Stefan Metzmacher
Modified: 2026-06-23 10:50 UTC (History)
3 users (show)

See Also:

Attachments
Patch for v4-24-test (2.61 KB, text/plain)
2026-04-09 11:15 UTC, Stefan Metzmacher 		metze: review? (slow)
vl: review+
Details
Patch for v4-23-test (2.61 KB, text/plain)
2026-04-09 11:15 UTC, Stefan Metzmacher 		metze: review? (slow)
vl: review+
Details
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Stefan Metzmacher 2026-02-09 12:11:15 UTC 
When we hit an error from sendmsg() called via:
smbd_smb2_flush_send_queue() from smbd_smb2_break_send()

We'll end up in smbXsrv_pending_break_done() and
smbXsrv_pending_break_submit() returning NT_STATUS_ABANDONED
in order to indicate that there's no more valid channel/transport
connection remaining for the smbXsrv_client.

In that case smbd stays for ever most likely sitting
in epoll_wait().
Comment 1 Samba QA Contact 2026-04-08 15:42:03 UTC 
This bug was referenced in samba master:

734481e2aa9c9bb20fc9bc8734eba85d2f61be72
Comment 2 Stefan Metzmacher 2026-04-09 11:15:11 UTC 
Created attachment 18938 [details]
Patch for v4-24-test
Comment 3 Stefan Metzmacher 2026-04-09 11:15:37 UTC 
Created attachment 18939 [details]
Patch for v4-23-test
Comment 4 Samba QA Contact 2026-05-12 14:57:36 UTC 
This bug was referenced in samba v4-24-test:

093516761f923cd5a6c185f65ef12a6c3832e894
Comment 5 Samba QA Contact 2026-05-12 15:55:13 UTC 
This bug was referenced in samba v4-24-stable (Release samba-4.24.2):

093516761f923cd5a6c185f65ef12a6c3832e894
Comment 6 Samba QA Contact 2026-05-28 01:38:20 UTC 
This bug was referenced in samba v4-23-test:

7827b04a473329ea47b22e65062379df02f5df35
Comment 7 Samba QA Contact 2026-06-23 10:50:17 UTC 
This bug was referenced in samba v4-23-stable (Release samba-4.23.9):

7827b04a473329ea47b22e65062379df02f5df35