# Plucky verification
Reproducing the problem. Crash logged on the plucky server:
[2025/07/02 14:33:06.168850, 0] lib/util/fault.c:178(smb_panic_log)
===============================================================
[2025/07/02 14:33:06.168909, 0] lib/util/fault.c:179(smb_panic_log)
INTERNAL ERROR: Signal 11: Segmentation fault in smbd (smbd[10.0.102.6)
(client [10.0.102.63]) pid 1583 (4.21.4-Ubuntu-4.21.4+dfsg-1ubuntu3.2)
[2025/07/02 14:33:06.168923, 0] lib/util/fault.c:186(smb_panic_log)
If you are running a recent Samba version, and if you think this problem is
not yet fixed in the latest versions, please consider reporting this bug, see
https://wiki.samba.org/index.php/Bug_Reporting
[2025/07/02 14:33:06.168933, 0] lib/util/fault.c:191(smb_panic_log)
===============================================================
[2025/07/02 14:33:06.168941, 0] lib/util/fault.c:192(smb_panic_log)
PANIC (pid 1583): Signal 11: Segmentation fault in
4.21.4-Ubuntu-4.21.4+dfsg-1ubuntu3.2
[2025/07/02 14:33:06.169481, 0] lib/util/fault.c:303(log_stack_trace)
BACKTRACE: 31 stack frames:
(...)
With samba from plucky:
# apt-cache policy samba
samba:
Installed: 2:4.21.4+dfsg-1ubuntu3.2
Candidate: 2:4.21.4+dfsg-1ubuntu3.2
Version table:
*** 2:4.21.4+dfsg-1ubuntu3.2 500
500 http://br.archive.ubuntu.com/ubuntu plucky-updates/main amd64
Packages
100 /var/lib/dpkg/status
2:4.21.4+dfsg-1ubuntu3.1 500
500 http://br.archive.ubuntu.com/ubuntu plucky-security/main amd64
Packages
2:4.21.4+dfsg-1ubuntu3 500
500 http://br.archive.ubuntu.com/ubuntu plucky/main amd64 Packages
# Installing update from proposed
samba:
Installed: 2:4.21.4+dfsg-1ubuntu3.3
Candidate: 2:4.21.4+dfsg-1ubuntu3.3
Version table:
*** 2:4.21.4+dfsg-1ubuntu3.3 100
100 http://br.archive.ubuntu.com/ubuntu plucky-proposed/main amd64
Packages
100 /var/lib/dpkg/status
2:4.21.4+dfsg-1ubuntu3.2 500
500 http://br.archive.ubuntu.com/ubuntu plucky-updates/main amd64
Packages
2:4.21.4+dfsg-1ubuntu3.1 500
500 http://br.archive.ubuntu.com/ubuntu plucky-security/main amd64
Packages
2:4.21.4+dfsg-1ubuntu3 500
500 http://br.archive.ubuntu.com/ubuntu plucky/main amd64 Packages
Repeating the test: mount the cifs filesystem on the client and going over the
test plan
Server logs:
empty, no new log messages, and the client can access the cifs filesystem just
fine, and the open file was renamed:
root@n-crasher:~# cat > /mnt/bug &
mv /mnt/bug /mnt/oops
[1] 1718
[1]+ Stopped cat > /mnt/bug
root@n-crasher:~#
root@n-crasher:~# fg
cat > /mnt/bug
^C
root@n-crasher:~# ls -la /mnt
total 4
drwxr-xr-x 2 root root 0 Jul 2 14:36 .
drwxr-xr-x 22 root root 4096 Jul 2 14:30 ..
-rwxr-xr-x 1 root root 0 Jul 2 14:36 oops
Plucky verification succeeded.
** Tags removed: verification-needed-plucky
** Tags added: verification-done-plucky
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2108981
Title:
samba segfaults when renaming a file with open RHW lease
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