Your message dated Sun, 11 Jan 2009 11:47:41 +0000
with message-id <[email protected]>
and subject line Bug#510450: fixed in samba 2:3.2.5-4
has caused the Debian Bug report #510450,
regarding Process crush when using gethostbyname_r in several threads
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact [email protected]
immediately.)
--
510450: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=510450
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: winbind
Version: 2:3.2.5-1
Severity: normal
When using libnss_wins.so backend for name resolving, process crushes
when gethostbyname_r is called simultaneously in several threads. Simple
test is attached.
Sometimes it crush with 'glibc double free detected', sometimes with SIGSEGV
Stack trace follows
(gdb) r
Starting program: /home/xen/work/ngp/test/ghbn_r/gethostbyname_r
[Thread debugging using libthread_db enabled]
[New Thread 0xb7d506b0 (LWP 2475)]
[New Thread 0xb7d4fb90 (LWP 2478)]
0.[New Thread 0xb7532b90 (LWP 2480)]
0.1.1.
Program received signal SIGABRT, Aborted.
[Switching to Thread 0xb7532b90 (LWP 2480)]
0xb7ee4424 in __kernel_vsyscall ()
(gdb) bt
#0 0xb7ee4424 in __kernel_vsyscall ()
#1 0xb7d7d640 in raise () from /lib/i686/cmov/libc.so.6
#2 0xb7d7f018 in abort () from /lib/i686/cmov/libc.so.6
#3 0xb69e1505 in talloc_strdup () from /usr/lib/libtalloc.so.1
#4 0xb6c665d8 in talloc_sub_basic () from /lib/libnss_wins.so.2
#5 0xb6ba9051 in ?? () from /lib/libnss_wins.so.2
#6 0x0874f368 in ?? ()
#7 0xb6cf1146 in ?? () from /lib/libnss_wins.so.2
#8 0xb6d311c0 in current_user_info () from /lib/libnss_wins.so.2
#9 0x086fb7c0 in ?? ()
#10 0x00000000 in ?? ()
(gdb) info threads
* 3 Thread 0xb7532b90 (LWP 2480) 0xb7ee4424 in __kernel_vsyscall ()
2 Thread 0xb7d4fb90 (LWP 2478) 0xb7ee4424 in __kernel_vsyscall ()
1 Thread 0xb7d506b0 (LWP 2475) 0xb7ee4424 in __kernel_vsyscall ()
(gdb) t 2
[Switching to thread 2 (Thread 0xb7d4fb90 (LWP 2478))]#0 0xb7ee4424 in
__kernel_vsyscall ()
(gdb) bt
#0 0xb7ee4424 in __kernel_vsyscall ()
#1 0xb7e2a9f1 in select () from /lib/i686/cmov/libc.so.6
#2 0xb6c683b9 in sys_select_intr () from /lib/libnss_wins.so.2
#3 0xb6c02d8a in receive_packet () from /lib/libnss_wins.so.2
#4 0xb6c02eeb in receive_nmb_packet () from /lib/libnss_wins.so.2
#5 0xb6c04767 in name_query () from /lib/libnss_wins.so.2
#6 0xb6ba537c in _nss_wins_gethostbyname_r () from /lib/libnss_wins.so.2
#7 0xb7e4c08b in gethostbyname_r@@GLIBC_2.1.2 () from
/lib/i686/cmov/libc.so.6
#8 0x08048662 in thread_proc (arg=0x0) at
/home/xen/work/ngp/test/ghbn_r/main.c:21
#9 0xb7eb34c0 in start_thread () from /lib/i686/cmov/libpthread.so.0
#10 0xb7e3261e in clone () from /lib/i686/cmov/libc.so.6
(gdb) t 1
[Switching to thread 1 (Thread 0xb7d506b0 (LWP 2475))]#0 0xb7ee4424 in
__kernel_vsyscall ()
(gdb) bt
#0 0xb7ee4424 in __kernel_vsyscall ()
#1 0xb7eb3ba7 in pthread_join () from /lib/i686/cmov/libpthread.so.0
#2 0x080487a8 in main () at /home/xen/work/ngp/test/ghbn_r/main.c:36
-- System Information:
Debian Release: lenny/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 2.6.26-1-686 (SMP w/2 CPU cores)
Locale: LANG=ru_RU.UTF-8, LC_CTYPE=ru_RU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages winbind depends on:
ii adduser 3.110 add and remove users and groups
ii libc6 2.7-16 GNU C Library: Shared libraries
ii libcomerr2 1.41.3-1 common error description
library
ii libkrb53 1.6.dfsg.4~beta1-4 MIT Kerberos runtime libraries
ii libldap-2.4-2 2.4.11-1 OpenLDAP libraries
ii libpam0g 1.0.1-4 Pluggable Authentication
Modules l
ii libpopt0 1.14-4 lib for parsing cmdline
parameters
ii libtalloc1 1.2.0~git20080616-1 hierarchical pool based
memory all
ii libwbclient0 2:3.2.4-1 client library for
interfacing wit
ii lsb-base 3.2-20 Linux Standard Base 3.2
init scrip
ii samba-common 2:3.2.5-1 Samba common files used by
both th
winbind recommends no packages.
winbind suggests no packages.
-- no debconf information
wins_test.tar.gz
Description: GNU Zip compressed data
--- End Message ---
--- Begin Message ---
Source: samba
Source-Version: 2:3.2.5-4
We believe that the bug you reported is fixed in the latest version of
samba, which is due to be installed in the Debian FTP archive:
libpam-smbpass_3.2.5-4_i386.deb
to pool/main/s/samba/libpam-smbpass_3.2.5-4_i386.deb
libsmbclient-dev_3.2.5-4_i386.deb
to pool/main/s/samba/libsmbclient-dev_3.2.5-4_i386.deb
libsmbclient_3.2.5-4_i386.deb
to pool/main/s/samba/libsmbclient_3.2.5-4_i386.deb
libwbclient0_3.2.5-4_i386.deb
to pool/main/s/samba/libwbclient0_3.2.5-4_i386.deb
samba-common_3.2.5-4_i386.deb
to pool/main/s/samba/samba-common_3.2.5-4_i386.deb
samba-dbg_3.2.5-4_i386.deb
to pool/main/s/samba/samba-dbg_3.2.5-4_i386.deb
samba-doc-pdf_3.2.5-4_all.deb
to pool/main/s/samba/samba-doc-pdf_3.2.5-4_all.deb
samba-doc_3.2.5-4_all.deb
to pool/main/s/samba/samba-doc_3.2.5-4_all.deb
samba-tools_3.2.5-4_i386.deb
to pool/main/s/samba/samba-tools_3.2.5-4_i386.deb
samba_3.2.5-4.diff.gz
to pool/main/s/samba/samba_3.2.5-4.diff.gz
samba_3.2.5-4.dsc
to pool/main/s/samba/samba_3.2.5-4.dsc
samba_3.2.5-4_i386.deb
to pool/main/s/samba/samba_3.2.5-4_i386.deb
smbclient_3.2.5-4_i386.deb
to pool/main/s/samba/smbclient_3.2.5-4_i386.deb
smbfs_3.2.5-4_i386.deb
to pool/main/s/samba/smbfs_3.2.5-4_i386.deb
swat_3.2.5-4_i386.deb
to pool/main/s/samba/swat_3.2.5-4_i386.deb
winbind_3.2.5-4_i386.deb
to pool/main/s/samba/winbind_3.2.5-4_i386.deb
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Christian Perrier <[email protected]> (supplier of updated samba package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.8
Date: Thu, 08 Jan 2009 05:59:17 +0100
Source: samba
Binary: samba samba-common samba-tools smbclient swat samba-doc samba-doc-pdf
smbfs libpam-smbpass libsmbclient libsmbclient-dev winbind samba-dbg
libwbclient0
Architecture: source all i386
Version: 2:3.2.5-4
Distribution: unstable
Urgency: low
Maintainer: Debian Samba Maintainers <[email protected]>
Changed-By: Christian Perrier <[email protected]>
Description:
libpam-smbpass - pluggable authentication module for SMB/CIFS password database
libsmbclient - shared library that allows applications to talk to SMB/CIFS
serve
libsmbclient-dev - libsmbclient static libraries and headers
libwbclient0 - client library for interfacing with winbind service
samba - a LanManager-like file and printer server for Unix
samba-common - Samba common files used by both the server and the client
samba-dbg - Samba debugging symbols
samba-doc - Samba documentation
samba-doc-pdf - Samba documentation (PDF format)
samba-tools - tools provided by the Samba suite
smbclient - a LanManager-like simple client for Unix
smbfs - mount and umount commands for the smbfs (for kernels >= than 2.2.
swat - Samba Web Administration Tool
winbind - service to resolve user and group information from Windows NT ser
Closes: 500129 509101 510450
Changes:
samba (2:3.2.5-4) unstable; urgency=low
.
* Fix segfault whan accessign some NAS devices running old versions of Samba
Closes: #500129
* Fix process crush when using gethostbyname_r in several threads
Closes: #509101, #510450
Checksums-Sha1:
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Checksums-Sha256:
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samba_3.2.5-4.diff.gz
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samba-tools_3.2.5-4_i386.deb
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Files:
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samba-doc-pdf_3.2.5-4_all.deb
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samba-tools_3.2.5-4_i386.deb
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smbclient_3.2.5-4_i386.deb
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smbfs_3.2.5-4_i386.deb
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libpam-smbpass_3.2.5-4_i386.deb
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libsmbclient_3.2.5-4_i386.deb
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libsmbclient-dev_3.2.5-4_i386.deb
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3df0e639250c135a64cf4f19fd550df4 2084910 devel extra samba-dbg_3.2.5-4_i386.deb
97dd48ca15a05f753cf337422296b33a 78406 libs optional
libwbclient0_3.2.5-4_i386.deb
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