--- Begin Message ---
Package: eglibc
Version: 2.10.1-7
Severity: important
Tags: patch
NSS plugins wishing to provide data to programs calling getaddrinfo() must
implement two procedures named:
_nss_<foo>_gethostbyname4_r() and
_nss_<foo>_gethostbyname2_r().
The function gaih_inet() in libc dynamically loads and calls these procedures
and then attempts to combine the results from all available plugins.
Unfortunately, in the following scenario, the combination step is performed
incorrectly:
1. Install your NSS plugin so that it is called after the
libnss_dns-2.10.1.so plugin.
2. Remove your default route.
3. Call getaddrinfo(NODE, SERVICE, NULL, &results).
The problem is that the third call, internally, results in a call to
_nss_dns_gethostbyname4_r()
which returns NSS_STATUS_UNAVAIL with herrno = TRY_AGAIN. This combination of
return and error codes causes gaih_inet()'s logic to set
no_data = -3.
This variable is used to signal to the rest of the gaih_inet procedure that no
results are available.
Unfortunately, when your plugin returns NSS_STATUS_SUCCESS and sets herrno =
NETDB_SUCCESS, your plugin's results will be *ignored* because gaih_inet
exits its loop without resetting no_data.
The attached patch fixes the problem for me. The patch was tested with code
from http://wiki.laptop.org/go/Dnshash.
-- System Information:
Debian Release: squeeze/sid
APT prefers stable
APT policy: (700, 'stable'), (600, 'unstable'), (500, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.30-2-686 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
--- a/sysdeps/posix/getaddrinfo.c 2009-11-22 16:21:19.000000000 -0500
+++ b/sysdeps/posix/getaddrinfo.c 2009-11-22 16:28:26.000000000 -0500
@@ -715,7 +715,10 @@ gaih_inet (const char *name, const struc
tmpbuflen, &rc, &herrno,
NULL));
if (status == NSS_STATUS_SUCCESS)
- break;
+ {
+ no_data = 0;
+ break;
+ }
if (status != NSS_STATUS_TRYAGAIN
|| rc != ERANGE || herrno != NETDB_INTERNAL)
{
--- End Message ---
--- Begin Message ---
Source: eglibc
Source-Version: 2.10.2-1
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:
eglibc-source_2.10.2-1_all.deb
to main/e/eglibc/eglibc-source_2.10.2-1_all.deb
eglibc_2.10.2-1.diff.gz
to main/e/eglibc/eglibc_2.10.2-1.diff.gz
eglibc_2.10.2-1.dsc
to main/e/eglibc/eglibc_2.10.2-1.dsc
eglibc_2.10.2.orig.tar.gz
to main/e/eglibc/eglibc_2.10.2.orig.tar.gz
glibc-doc_2.10.2-1_all.deb
to main/e/eglibc/glibc-doc_2.10.2-1_all.deb
libc-bin_2.10.2-1_amd64.deb
to main/e/eglibc/libc-bin_2.10.2-1_amd64.deb
libc-dev-bin_2.10.2-1_amd64.deb
to main/e/eglibc/libc-dev-bin_2.10.2-1_amd64.deb
libc6-dbg_2.10.2-1_amd64.deb
to main/e/eglibc/libc6-dbg_2.10.2-1_amd64.deb
libc6-dev-i386_2.10.2-1_amd64.deb
to main/e/eglibc/libc6-dev-i386_2.10.2-1_amd64.deb
libc6-dev_2.10.2-1_amd64.deb
to main/e/eglibc/libc6-dev_2.10.2-1_amd64.deb
libc6-i386_2.10.2-1_amd64.deb
to main/e/eglibc/libc6-i386_2.10.2-1_amd64.deb
libc6-pic_2.10.2-1_amd64.deb
to main/e/eglibc/libc6-pic_2.10.2-1_amd64.deb
libc6-prof_2.10.2-1_amd64.deb
to main/e/eglibc/libc6-prof_2.10.2-1_amd64.deb
libc6-udeb_2.10.2-1_amd64.udeb
to main/e/eglibc/libc6-udeb_2.10.2-1_amd64.udeb
libc6_2.10.2-1_amd64.deb
to main/e/eglibc/libc6_2.10.2-1_amd64.deb
libnss-dns-udeb_2.10.2-1_amd64.udeb
to main/e/eglibc/libnss-dns-udeb_2.10.2-1_amd64.udeb
libnss-files-udeb_2.10.2-1_amd64.udeb
to main/e/eglibc/libnss-files-udeb_2.10.2-1_amd64.udeb
locales-all_2.10.2-1_amd64.deb
to main/e/eglibc/locales-all_2.10.2-1_amd64.deb
locales_2.10.2-1_all.deb
to main/e/eglibc/locales_2.10.2-1_all.deb
nscd_2.10.2-1_amd64.deb
to main/e/eglibc/nscd_2.10.2-1_amd64.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 557596@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@debian.org)
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.8
Date: Mon, 23 Nov 2009 09:46:23 +0100
Source: eglibc
Binary: libc-bin libc-dev-bin glibc-doc eglibc-source locales locales-all nscd 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-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-sparcv9b libc6-i686 libc6-xen libc0.1-i686 libc6.1-alphaev67 libnss-dns-udeb libnss-files-udeb
Architecture: source all amd64
Version: 2.10.2-1
Distribution: unstable
Urgency: low
Maintainer: GNU Libc Maintainers <debian-glibc@lists.debian.org>
Changed-By: Aurelien Jarno <aurel32@debian.org>
Description:
eglibc-source - Embedded GNU C Library: sources
glibc-doc - GNU C Library: Documentation
libc-bin - GNU C Library: Binaries
libc-dev-bin - GNU C Library: Development binaries
libc0.1 - GNU C Library: Shared libraries
libc0.1-dbg - GNU C Library: detached debugging symbols
libc0.1-dev - GNU C Library: Development Libraries and Header Files
libc0.1-dev-i386 - GNU C Library: 32bit development libraries for AMD64
libc0.1-i386 - GNU C Library: 32bit shared libraries for AMD64
libc0.1-i686 - GNU C Library: Shared libraries [i686 optimized]
libc0.1-pic - GNU C Library: PIC archive library
libc0.1-prof - GNU C Library: Profiling Libraries
libc0.1-udeb - GNU C Library: Shared libraries - udeb (udeb)
libc0.3 - GNU C Library: Shared libraries
libc0.3-dbg - GNU C Library: detached debugging symbols
libc0.3-dev - GNU C Library: Development Libraries and Header Files
libc0.3-pic - GNU C Library: PIC archive library
libc0.3-prof - GNU C Library: Profiling Libraries
libc0.3-udeb - GNU C Library: Shared libraries - udeb (udeb)
libc6 - GNU C Library: Shared libraries
libc6-amd64 - GNU C Library: 64bit Shared libraries for AMD64
libc6-dbg - GNU C Library: detached debugging symbols
libc6-dev - GNU C Library: Development Libraries and Header Files
libc6-dev-amd64 - GNU C Library: 64bit Development Libraries for AMD64
libc6-dev-i386 - GNU C Library: 32-bit development libraries for AMD64
libc6-dev-mips64 - GNU C Library: 64bit Development Libraries for MIPS64
libc6-dev-mipsn32 - GNU C Library: n32 Development Libraries for MIPS64
libc6-dev-powerpc - GNU C Library: 32bit powerpc development libraries for ppc64
libc6-dev-ppc64 - GNU C Library: 64bit Development Libraries for PowerPC64
libc6-dev-s390x - GNU C Library: 64bit Development Libraries for IBM zSeries
libc6-dev-sparc64 - GNU C Library: 64bit Development Libraries for UltraSPARC
libc6-i386 - GNU C Library: 32-bit shared libraries for AMD64
libc6-i686 - GNU C Library: Shared libraries [i686 optimized]
libc6-mips64 - GNU C Library: 64bit Shared libraries for MIPS64
libc6-mipsn32 - GNU C Library: n32 Shared libraries for MIPS64
libc6-pic - GNU C Library: PIC archive library
libc6-powerpc - GNU C Library: 32bit powerpc shared libraries for ppc64
libc6-ppc64 - GNU C Library: 64bit Shared libraries for PowerPC64
libc6-prof - GNU C Library: Profiling Libraries
libc6-s390x - GNU C Library: 64bit Shared libraries for IBM zSeries
libc6-sparc64 - GNU C Library: 64bit Shared libraries for UltraSPARC
libc6-sparcv9b - GNU C Library: Shared libraries [v9b optimized]
libc6-udeb - GNU C Library: Shared libraries - udeb (udeb)
libc6-xen - GNU C Library: Shared libraries [Xen version]
libc6.1 - GNU C Library: Shared libraries
libc6.1-alphaev67 - GNU C Library: Shared libraries (EV67 optimized)
libc6.1-dbg - GNU C Library: detached debugging symbols
libc6.1-dev - GNU C Library: Development Libraries and Header Files
libc6.1-pic - GNU C Library: PIC archive library
libc6.1-prof - GNU C Library: Profiling Libraries
libc6.1-udeb - GNU C Library: Shared libraries - udeb (udeb)
libnss-dns-udeb - GNU C Library: NSS helper for DNS - udeb (udeb)
libnss-files-udeb - GNU C Library: NSS helper for files - udeb (udeb)
locales - GNU C Library: National Language (locale) data [support]
locales-all - GNU C Library: Precompiled locale data
nscd - GNU C Library: Name Service Cache Daemon
Closes: 552407 555303 556600 556631 556884 556951 557158 557248 557596
Changes:
eglibc (2.10.2-1) unstable; urgency=low
.
[ Aurelien Jarno ]
* New upstream minor release.
- fix build timeout on SH4. Closes: #552407.
- disabled patches/svn-updates.diff.
- remove patches/powerpc/cvs-readahead.diff (merged).
- remove patches/any/submitted-libgcc_s.so.diff (merged).
- remove patches/any/cvs-preadv-pwritev.diff (merged).
- remove patches/any/cvs-getaddrinfo-nss-notfound.diff (merged).
* patches/ia64/cvs-memchr.diff: new patch from upstream replacing
patches/ia64/submitted-memchr.diff.
* patches/any/cvs-malloc-check.diff: new patch from upstream to fix bugs
with MALLOC_CHECK. Closes: #557158.
* patches/any/cvs-ksm.diff: add support to KSM, define MADV_MERGEABLE and
MADV_UNMERGEABLE. Closes: #556631.
* Replace patches/locale/fix-C-first_weekday.diff by upstream version
patches/locale/cvs-C-first_weekday.diff. Closes: #556884.
* rules.d/debhelper.mk: don't use --strip-unneeded when stripping .o
objects. Closes: #556951.
* patches/any/submitted-bits-fcntl_h-at.diff: new patch to move AT_*
constants from <fcntl.h> to <bits/fcntl.h>. Closes: #555303.
* Replace patches/any/submitted-sched_h.2.diff by upstream version
patches/any/cvs-sched_h.diff.
* Use gcc/g++-4.4 on sparc.
* patches/any/submitted-nis-not-configured.diff: fix getaddrinfo() if
NIS is not configured. Closes: #556600.
* patches/any/submitted-getaddrinfo-nodata.diff: new patch from Michael
Stone to fix getaddrinfo() if a plugin returns TRY_AGAIN or NO_DATA.
Closes: #557596.
.
[ Carlos O'Donell]
* patches/hppa/local-stack-grows-up.diff: new version.
.
[ Petr Salinger]
* kfreebsd/local-sysdeps.diff: update to revision 2859 (from glibc-bsd).
Closes: #557248.
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