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Bug 1300038 - Samba 4.3.4: PANIC: Bad talloc magic value - wrong talloc version used/mixed
Summary: Samba 4.3.4: PANIC: Bad talloc magic value - wrong talloc version used/mixed
Alias: None
Product: Fedora
Classification: Fedora
Component: samba
Version: 23
Hardware: x86_64
OS: Linux
Target Milestone: ---
Assignee: Alexander Bokovoy
QA Contact: Fedora Extras Quality Assurance
: 1301006 (view as bug list)
Depends On:
TreeView+ depends on / blocked
Reported: 2016-01-19 19:32 UTC by René van Dorst
Modified: 2016-01-25 02:20 UTC (History)
11 users (show)

Fixed In Version: samba-4.3.4-1.fc23
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2016-01-25 02:20:36 UTC
Type: Bug

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Samba Project 11394 0 None None None 2016-01-19 19:47:20 UTC

Description René van Dorst 2016-01-19 19:32:45 UTC
Description of problem:
Samba panics at start.

Version-Release number of selected component (if applicable):
See below.

How reproducible:
[root@ipa root]# smbd -F -S
smbd version 4.3.4 started.
Copyright Andrew Tridgell and the Samba Team 1992-2015
Bad talloc magic value - wrong talloc version used/mixed
PANIC: Bad talloc magic value - wrong talloc version used/mixed
Aborted (core dumped)

Additional info:

List of packages that were automaticly updated Saturday.

 Package                    Arch     Version                    Repository
 btrfs-progs                x86_64   4.3.1-1.fc23               updates   573 k
 coreutils                  x86_64   8.24-5.fc23                updates   2.8 M
 dhcp-client                x86_64   12:4.3.3-8.P1.fc23         updates   300 k
 dhcp-common                noarch   12:4.3.3-8.P1.fc23         updates   194 k
 dhcp-libs                  x86_64   12:4.3.3-8.P1.fc23         updates   138 k
 dovecot                    x86_64   1:2.2.21-1.fc23            updates   3.3 M
 dovecot-pigeonhole         x86_64   1:2.2.21-1.fc23            updates   349 k
 glusterfs                  x86_64   3.7.6-2.fc23               updates   466 k
 glusterfs-api              x86_64   3.7.6-2.fc23               updates    84 k
 glusterfs-client-xlators   x86_64   3.7.6-2.fc23               updates   763 k
 glusterfs-fuse             x86_64   3.7.6-2.fc23               updates   134 k
 glusterfs-libs             x86_64   3.7.6-2.fc23               updates   337 k
 libsmbclient               x86_64   2:4.3.4-0.fc23             updates   122 k
 libwbclient                x86_64   2:4.3.4-0.fc23             updates    95 k
 mesa-libEGL                x86_64   11.1.0-2.20151218.fc23     updates   107 k
 mesa-libGL                 x86_64   11.1.0-2.20151218.fc23     updates   194 k
 mesa-libGLES               x86_64   11.1.0-2.20151218.fc23     updates    43 k
 mesa-libgbm                x86_64   11.1.0-2.20151218.fc23     updates    56 k
 mesa-libglapi              x86_64   11.1.0-2.20151218.fc23     updates    63 k
 mesa-libwayland-egl        x86_64   11.1.0-2.20151218.fc23     updates    38 k
 openssh                    x86_64   7.1p2-1.fc23               updates   429 k
 openssh-clients            x86_64   7.1p2-1.fc23               updates   634 k
 openssh-server             x86_64   7.1p2-1.fc23               updates   460 k
 opus                       x86_64   1.1.2-1.fc23               updates   181 k
 python-cryptography        x86_64   1.2.1-1.fc23               updates   465 k
 python-kdcproxy            noarch   0.3.2-1.fc23               updates    32 k
 samba                      x86_64   2:4.3.4-0.fc23             updates   627 k
 samba-client               x86_64   2:4.3.4-0.fc23             updates   548 k
 samba-client-libs          x86_64   2:4.3.4-0.fc23             updates   4.6 M
 samba-common               noarch   2:4.3.4-0.fc23             updates   184 k
 samba-common-libs          x86_64   2:4.3.4-0.fc23             updates   157 k
 samba-common-tools         x86_64   2:4.3.4-0.fc23             updates   447 k
 samba-libs                 x86_64   2:4.3.4-0.fc23             updates   259 k
 samba-python               x86_64   2:4.3.4-0.fc23             updates   1.9 M
 samba-winbind              x86_64   2:4.3.4-0.fc23             updates   481 k
 samba-winbind-modules      x86_64   2:4.3.4-0.fc23             updates   106 k
 sqlite                     x86_64   3.10.0-1.fc23              updates   476 k

Transaction Summary
Upgrade  37 Packages

Comment 1 René van Dorst 2016-01-19 19:40:05 UTC
Created attachment 1116341 [details]
Samba Coredump.

Samba Coredump

Comment 2 René van Dorst 2016-01-19 19:47:20 UTC
Today I was trying to access my samba shares. 
I noticed that it was not working.

My server does updates automaticly.

It was working before the update.

Samba did changed something to this.

o  Stefan Metzmacher <metze>
   * BUG 11394: Crash: Bad talloc magic value - access after free.

Comment 4 Guenther Deschner 2016-01-22 10:28:14 UTC
*** Bug 1301006 has been marked as a duplicate of this bug. ***

Comment 5 Guenther Deschner 2016-01-22 10:30:25 UTC
Alexander already has a patch and is currently testing it.

Comment 6 Fedora Update System 2016-01-22 15:37:07 UTC
samba-4.3.4-1.fc23 has been submitted as an update to Fedora 23.

Comment 7 Alexander Bokovoy 2016-01-22 15:38:05 UTC
Please give a test and add your karma for

Comment 8 Fedora Update System 2016-01-24 04:50:53 UTC
samba-4.3.4-1.fc23 has been pushed to the Fedora 23 testing repository. If problems still persist, please make note of it in this bug report.
See for
instructions on how to install test updates.
You can provide feedback for this update here:

Comment 9 Fedora Update System 2016-01-25 02:20:31 UTC
samba-4.3.4-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.

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