Bug#763559: marked as done (libc6: Memory leak with dlopen() and thread-local storage variables)
Your message dated Fri, 10 Oct 2014 07:47:07 +0000
with message-id <E1XcUup-0004WR-Hc@franck.debian.org>
and subject line Bug#763559: fixed in eglibc 2.13-38+deb7u5
has caused the Debian Bug report #763559,
regarding libc6: Memory leak with dlopen() and thread-local storage variables
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 owner@bugs.debian.org
immediately.)
--
763559: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=763559
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
- To: Debian Bug Tracking System <submit@bugs.debian.org>
- Subject: libc6: Memory leak with dlopen() and thread-local storage variables
- From: Fredrik Tolf <fredrik@dolda2000.com>
- Date: Wed, 01 Oct 2014 00:37:36 +0200
- Message-id: <20140930223736.27081.21228.reportbug@nerv.dolda2000.com>
Package: libc6
Version: 2.13-38+deb7u4
Severity: important
Dear Maintainer,
There is a bug with the eglibc included in Wheezy that causes thread-local
variables introduced by dlopen()'ed objects not to be properly freed. This
can be a problem in any C program that loads a C++ module and runs threads
in it, since libstdc++ introduces a thread-local variable for exception
handling.
The issue is described at glibc's bugzilla at this URL:
<https://sourceware.org/bugzilla/show_bug.cgi?id=12650>
It includes a working test-case and a link to the commit which fixed the issue:
<http://repo.or.cz/w/glibc.git/commitdiff/e6c61494125126d2ba77e5d99f83887a2ed49783>
This bug report over GCC describes the interaction with libcstd++:
<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=39366>
I have confirmed that this bug does not exist in Jessie. It would be a very
Nice Thing if the fix could be backported to Wheezy, but I'm not familiar
enough with the Policy to tell if this is feasible.
In the meantime, I'll be restarting my HTTP server once a day. ;)
-- System Information:
Debian Release: 7.6
APT prefers stable
APT policy: (500, 'stable')
Architecture: amd64 (x86_64)
Kernel: Linux 3.10.5 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages libc6 depends on:
ii libc-bin 2.13-38+deb7u4
ii libgcc1 1:4.7.2-5
libc6 recommends no packages.
Versions of packages libc6 suggests:
ii debconf [debconf-2.0] 1.5.49
ii glibc-doc 2.13-38+deb7u4
ii locales 2.13-38+deb7u4
ii locales-all [locales] 2.13-38+deb7u4
-- debconf information:
glibc/upgrade: true
glibc/disable-screensaver:
glibc/restart-failed:
* glibc/restart-services: spamassassin sendmail openbsd-inetd dovecot cups cron atd
* libraries/restart-without-asking: false
--- End Message ---
--- Begin Message ---
Source: eglibc
Source-Version: 2.13-38+deb7u5
We believe that the bug you reported is fixed in the latest version of
eglibc, which is due to be installed in the Debian FTP archive.
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 763559@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Aurelien Jarno <aurel32@debian.org> (supplier of updated eglibc 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 ftpmaster@ftp-master.debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
Format: 1.8
Date: Wed, 08 Oct 2014 22:50:01 +0200
Source: eglibc
Binary: libc-bin libc-dev-bin glibc-doc eglibc-source locales locales-all nscd multiarch-support libc6 libc6-dev libc6-dbg libc6-prof libc6-pic libc6-udeb libc6.1 libc6.1-dev libc6.1-dbg libc6.1-prof libc6.1-pic libc6.1-udeb libc0.3 libc0.3-dev libc0.3-dbg libc0.3-prof libc0.3-pic libc0.3-udeb libc0.1 libc0.1-dev libc0.1-dbg libc0.1-prof libc0.1-pic libc0.1-udeb libc6-i386 libc6-dev-i386 libc6-sparc64 libc6-dev-sparc64 libc6-s390 libc6-dev-s390 libc6-s390x libc6-dev-s390x libc6-amd64 libc6-dev-amd64 libc6-powerpc libc6-dev-powerpc libc6-ppc64 libc6-dev-ppc64 libc6-mipsn32 libc6-dev-mipsn32 libc6-mips64 libc6-dev-mips64 libc0.1-i386 libc0.1-dev-i386 libc6-i686 libc6-xen libc0.1-i686 libc0.3-i686 libc0.3-xen libc6.1-alphaev67 libc6-loongson2f libnss-dns-udeb libnss-files-udeb
Architecture: source all amd64
Version: 2.13-38+deb7u5
Distribution: wheezy
Urgency: medium
Maintainer: Aurelien Jarno <aurel32@debian.org>
Changed-By: Aurelien Jarno <aurel32@debian.org>
Description:
eglibc-source - Embedded GNU C Library: sources
glibc-doc - Embedded GNU C Library: Documentation
libc-bin - Embedded GNU C Library: Binaries
libc-dev-bin - Embedded GNU C Library: Development binaries
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libc0.1-i386 - Embedded GNU C Library: 32bit shared libraries for AMD64
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libc0.1-prof - Embedded GNU C Library: Profiling Libraries
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libc0.3 - Embedded GNU C Library: Shared libraries
libc0.3-dbg - Embedded GNU C Library: detached debugging symbols
libc0.3-dev - Embedded GNU C Library: Development Libraries and Header Files
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libc0.3-pic - Embedded GNU C Library: PIC archive library
libc0.3-prof - Embedded GNU C Library: Profiling Libraries
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libc0.3-xen - Embedded GNU C Library: Shared libraries [Xen version]
libc6 - Embedded GNU C Library: Shared libraries
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libc6-dev-mipsn32 - Embedded GNU C Library: n32 Development Libraries for MIPS64
libc6-dev-powerpc - Embedded GNU C Library: 32bit powerpc development libraries for p
libc6-dev-ppc64 - Embedded GNU C Library: 64bit Development Libraries for PowerPC64
libc6-dev-s390 - Embedded GNU C Library: 32bit Development Libraries for IBM zSeri
libc6-dev-s390x - Embedded GNU C Library: 64bit Development Libraries for IBM zSeri
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libc6-loongson2f - Embedded GNU C Library: Shared libraries (Loongson 2F optimized)
libc6-mips64 - Embedded GNU C Library: 64bit Shared libraries for MIPS64
libc6-mipsn32 - Embedded GNU C Library: n32 Shared libraries for MIPS64
libc6-pic - Embedded GNU C Library: PIC archive library
libc6-powerpc - Embedded GNU C Library: 32bit powerpc shared libraries for ppc64
libc6-ppc64 - Embedded GNU C Library: 64bit Shared libraries for PowerPC64
libc6-prof - Embedded GNU C Library: Profiling Libraries
libc6-s390 - Embedded GNU C Library: 32bit Shared libraries for IBM zSeries
libc6-s390x - Embedded GNU C Library: 64bit Shared libraries for IBM zSeries
libc6-sparc64 - Embedded GNU C Library: 64bit Shared libraries for UltraSPARC
libc6-udeb - Embedded GNU C Library: Shared libraries - udeb (udeb)
libc6-xen - Embedded GNU C Library: Shared libraries [Xen version]
libc6.1 - Embedded GNU C Library: Shared libraries
libc6.1-alphaev67 - Embedded GNU C Library: Shared libraries (EV67 optimized)
libc6.1-dbg - Embedded GNU C Library: detached debugging symbols
libc6.1-dev - Embedded GNU C Library: Development Libraries and Header Files
libc6.1-pic - Embedded GNU C Library: PIC archive library
libc6.1-prof - Embedded GNU C Library: Profiling Libraries
libc6.1-udeb - Embedded GNU C Library: Shared libraries - udeb (udeb)
libnss-dns-udeb - Embedded GNU C Library: NSS helper for DNS - udeb (udeb)
libnss-files-udeb - Embedded GNU C Library: NSS helper for files - udeb (udeb)
locales - Embedded GNU C Library: National Language (locale) data [support]
locales-all - Embedded GNU C Library: Precompiled locale data
multiarch-support - Transitional package to ensure multiarch compatibility
nscd - Embedded GNU C Library: Name Service Cache Daemon
Closes: 722075 742925 756343 763559
Changes:
eglibc (2.13-38+deb7u5) wheezy; urgency=medium
.
* debian/patches/any/cvs-resolv-reuse-fd.diff: new patch from upstream
to fix invalid file descriptor reuse while sending DNS query. Closes:
#722075, #756343.
* debian/patches/any/cvs-CVE-2013-4357.diff: new patch from upstream to
fix stack overflow issues. Closes: #742925.
* debian/patches/any/submitted-CVE-2014-0475.diff: update from upstream
to fix a localplt regression introduced in version 2.13-38+deb7u3.
* patches/any/cvs-dlopen-tls-memleak.patch: new patch from upstream to
fix a memory leak with dlopen() and thread-local storage variables.
Closes: #763559.
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