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[RégisC <1778456@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

I noticed some mail about samba panic today.

** Stacktrace **

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f011c4d5687 in __GI___waitpid (pid=11376, stat_loc=stat_loc@entry=0x7ffecfd0772
8, options=options@entry=0) at ../sysdeps/unix/sysv/linux/waitpid.c:30
#0  0x00007f011c4d5687 in __GI___waitpid (pid=11376, stat_loc=stat_loc@entry=0x7ffecfd
07728, options=options@entry=0) at ../sysdeps/unix/sysv/linux/waitpid.c:30
#1  0x00007f011c440067 in do_system (line=<optimized out>) at ../sysdeps/posix/system.
c:149
#2  0x00007f011f9ffaf1 in smb_panic_s3 () from /usr/lib/x86_64-linux-gnu/libsmbconf.so
.0
#3  0x00007f0122b1c5af in smb_panic () from /usr/lib/x86_64-linux-gnu/libsamba-util.so
.0
#4  0x00007f0122b1c7c6 in ?? () from /usr/lib/x86_64-linux-gnu/libsamba-util.so.0
#5  <signal handler called>
#6  0x00007f01247f13fc in __pthread_mutex_unlock_full (mutex=0x7f0124afda78, decr=1) a
t pthread_mutex_unlock.c:147
#7  0x00007f011d286fd3 in ?? () from /usr/lib/x86_64-linux-gnu/libtdb.so.1
#8  0x00007f011d2802e5 in ?? () from /usr/lib/x86_64-linux-gnu/libtdb.so.1
#9  0x00007f011fa1973f in gencache_stabilize () from /usr/lib/x86_64-linux-gnu/libsmbc
onf.so.0
#10 0x000055a5e1195164 in ?? ()
#11 0x000055a5e119524a in ?? ()
#12 0x00007f011c7e9fe9 in tevent_common_check_signal () from /usr/lib/x86_64-linux-gnu
/libtevent.so.0
#13 0x00007f011c7ebe02 in ?? () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
#14 0x00007f011c7ea357 in ?? () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
#15 0x00007f011c7e67cd in _tevent_loop_once () from /usr/lib/x86_64-linux-gnu/libteven
t.so.0
#16 0x000055a5e11c0478 in ?? ()
#17 0x000055a5e11c0985 in ?? ()
#18 0x00007f011c7e71a4 in tevent_common_loop_immediate () from /usr/lib/x86_64-linux-g
nu/libtevent.so.0
#19 0x00007f011c7ebcfb in ?? () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
#20 0x00007f011c7ea357 in ?? () from /usr/lib/x86_64-linux-gnu/libtevent.so.0
#21 0x00007f011c7e67cd in _tevent_loop_once () from /usr/lib/x86_64-linux-gnu/libteven
t.so.0
#22 0x000055a5e11922f0 in main ()


** lsb_release -a **

LSB Version:	core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch
Distributor ID:	Ubuntu
Description:	Ubuntu 18.04 LTS
Release:	18.04
Codename:	bionic


** apt-cache policy samba **

samba:
  Installé : 2:4.7.6+dfsg~ubuntu-0ubuntu2
  Candidat : 2:4.7.6+dfsg~ubuntu-0ubuntu2
 Table de version :
 *** 2:4.7.6+dfsg~ubuntu-0ubuntu2 500
        500 http://eu.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
        100 /var/lib/dpkg/status

** Affects: samba (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "smb.conf"
   https://bugs.launchpad.net/bugs/1778456/+attachment/5156250/+files/smb.conf

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https://bugs.launchpad.net/bugs/1778456

Title:
  Panic in gencache_stabilize

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