# Noble verification (spoiler: succeeded)
First reproducing the bug:
$ ./repro-in-lxc.sh noble n-panic
Launching n-panic
Installing base packages
Scanning processes...
Creating Samba user
Mounting mergerfs
Configuring Samba share
Restarting smbd
Setting up venv and installing smbprotocol
=== Running reproducer ===
Reproducer failed with traceback (expected for crash).
(...)
smbprotocol.exceptions.SMBConnectionClosed: SMB socket was closed, cannot send
or receive any more data
=== Samba PANIC ===
PANIC: assert failed at source3/smbd/fd_handle.c(39): (fh->fd == -1) ||
(fh->fd == AT_FDCWD)
[2026/10/06 14:00:47.619730, 0] lib/util/fault.c:178(smb_panic_log)
(...)
Reproducer: bug reproduced.
=== Samba package origin ===
samba:
Installed: 2:4.19.5+dfsg-4ubuntu9.7
Candidate: 2:4.19.5+dfsg-4ubuntu9.7
Version table:
*** 2:4.19.5+dfsg-4ubuntu9.7 500
500 http://br.archive.ubuntu.com/ubuntu noble-updates/main amd64
Packages
500 http://br.archive.ubuntu.com/ubuntu noble-security/main amd64
Packages
100 /var/lib/dpkg/status
2:4.19.5+dfsg-4ubuntu9 500
500 http://br.archive.ubuntu.com/ubuntu noble/main amd64 Packages
Now testing the package from proposed:
$ ./repro-in-lxc.sh noble n-panic --pocket proposed
Launching n-panic
Enabling noble-proposed
Installing base packages
Creating Samba user
Mounting mergerfs
Configuring Samba share
Restarting smbd
Setting up venv and installing smbprotocol
=== Running reproducer ===
=== Samba PANIC ===
Reproducer: PANIC not found, assuming bug is fixed.
=== Samba package origin ===
samba:
Installed: 2:4.19.5+dfsg-4ubuntu9.8
Candidate: 2:4.19.5+dfsg-4ubuntu9.8
Version table:
*** 2:4.19.5+dfsg-4ubuntu9.8 100
100 http://br.archive.ubuntu.com/ubuntu noble-proposed/main amd64
Packages
100 /var/lib/dpkg/status
2:4.19.5+dfsg-4ubuntu9.7 500
500 http://br.archive.ubuntu.com/ubuntu noble-updates/main amd64
Packages
500 http://br.archive.ubuntu.com/ubuntu noble-security/main amd64
Packages
2:4.19.5+dfsg-4ubuntu9 500
500 http://br.archive.ubuntu.com/ubuntu noble/main amd64 Packages
Bug no longer reproduced. Verification succeeded.
** Tags removed: verification-needed-noble
** Tags added: verification-done-noble
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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2166678
Title:
Samba 4.19.5 in Ubuntu 24.04.4 LTS hits upstream Bug 15527 with
mergerfs/FUSE, causing SMB2 CLOSE failure and smbd panic
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