[Pkg-samba-maint] FW: [Bug 14140] New: Overlinking libreplace against librt and pthread against every binary or library causes issues

Wed Sep 25 20:27:16 BST 2019

Le mer. 25 sept. 2019 à 09:50, L. van Belle <belle at samba.org> a écrit :
>
> Good morning Mattieu/guys and girls..

Good morning.

> Have you seen this one. ( see bugzilla report a bit lower. )
> > https://bugzilla.samba.org/show_bug.cgi?id=14140

This is a problem but different than your below pb...

For your below problem, look at
07da5bb4cc8366160b681c7da6abd3dc7dcd49f9 (but salsa is currently
down).

> Which is, or at least, looks like it, my last problem.
> Mostly now :  missing-dependency-on-libc needed by
> So, I am reading into this :
> https://www.debian.org/doc/debian-policy/ch-sharedlibs.html#generating-depen
> dencies-on-shared-libraries
>
> So im picking a line from the lintian output.
>
> E: libsmbclient: missing-dependency-on-libc needed by
> usr/lib/x86_64-linux-gnu/libsmbclient.so.0.5.0
> And im running :  dpkg-shlibdeps
> debian/tmp/usr/lib/x86_64-linux-gnu/libsmbclient.so.0.5.0
> Which shows a list of 77 files about .. package could avoid a useless
> dependency
>
> This looks a bit out of my scope off what im currently able todo.. Im
> trying..
> Below the bugzilla report is my lastest lintian output, that might also give
> some more insight.
>
> > -----Oorspronkelijk bericht-----
> > Van: samba-bugs at samba.org [mailto:samba-bugs at samba.org]
> > Verzonden: dinsdag 24 september 2019 10:20
> > Aan: samba-qa at samba.org
> > Onderwerp: [Bug 14140] New: Overlinking libreplace against
> > librt and pthread against every binary or library causes issues
> >
> > https://bugzilla.samba.org/show_bug.cgi?id=14140
> >
> >             Bug ID: 14140
> >            Summary: Overlinking libreplace against librt and pthread
> >                     against every binary or library causes issues
> >            Product: Samba 4.1 and newer
> >            Version: unspecified
> >           Hardware: All
> >                 OS: All
> >             Status: NEW
> >           Severity: normal
> >           Priority: P5
> >          Component: Build
> >           Assignee: samba-qa at samba.org
> >           Reporter: asn at samba.org
> >         QA Contact: samba-qa at samba.org
> >
> > Overlinking:
> >
> > Currently libreplace links against librt, but it isn't needed
> > as the symbols we
> > are looking for are provided by glibc.
> >
> > The replace waf script checks for pthread and sets
> > LDFLAGS=-pthread globally.
> > However most of our code does not need this at all.
> >
> >
> > Impact on NSS modules:
> >
> > NSS modules are more fragile and during and update they can
> > be non-functional
> > for some time. Like with nss-winbind it wont work till all
> > libraries have been
> > upgraded and winbind installed and restarted.
> >
> > During an upgrade the libnss_winbind and libnss_wins, known as the
> > "winbind" and "wins" service providers for NSS, can trigger a
> > glibc defect
> > which causes the upgrade to fail. The reason is that librt
> > and libpthread are
> > marked as NODELETE so they wont be reloaded when a new
> > nss_winbind has been
> > installed.
> >
> > We can avoid the glibc bug if we link those modules only
> > against strictly
> > necessary libraries. nss_winbind and nss_wins don't have to
> > be linked against
> > librt nor libpthread at all.
> >
> > RH Samba bug: https://bugzilla.redhat.com/show_bug.cgi?id=1754575
> > RH glibc bug: https://bugzilla.redhat.com/show_bug.cgi?id=1748197
> >
> > --
> > You are receiving this mail because:
> > You are the QA Contact for the bug.
> > You are the assignee for the bug.
> >
>
> My last lintian output.
>
> W: samba source: changelog-should-mention-nmu
> W: samba source: newer-standards-version 4.4.0 (current is 4.3.0)
> E: libsmbclient: missing-dependency-on-libc needed by
> usr/lib/x86_64-linux-gnu/libsmbclient.so.0.5.0
> W: samba-dev: pkg-config-references-unknown-shared-library
> usr/lib/x86_64-linux-gnu/pkgconfig/samba-policy.cpython-37m-x86_64-linux-gnu
> .pc -lsamba-policy (line 11)
> E: samba-vfs-modules: missing-dependency-on-libc needed by
> usr/lib/x86_64-linux-gnu/samba/vfs/acl_tdb.so and 41 others
> E: ctdb: missing-dependency-on-libc needed by usr/bin/ctdb and 15 others
> W: ctdb: binary-without-manpage usr/bin/ctdb_local_daemons
> W: ctdb: package-has-unnecessary-activation-of-ldconfig-trigger
> W: libwbclient0-dbgsym: debug-file-with-no-debug-symbols
> usr/lib/debug/.build-id/88/f3d507212267b4429bf0a0fcd2961672a2cf56.debug
> E: samba: missing-dependency-on-libc needed by usr/bin/dumpmscat and 31
> others
> W: samba: binary-without-manpage usr/bin/dumpmscat
> W: samba: binary-without-manpage usr/sbin/samba_dnsupdate
> W: samba: binary-without-manpage usr/sbin/samba_spnupdate
> W: samba: binary-without-manpage usr/sbin/samba_upgradedns
> W: samba: package-has-unnecessary-activation-of-ldconfig-trigger
> W: samba-libs: missing-depends-line
> E: winbind: missing-dependency-on-libc needed by usr/bin/ntlm_auth and 16
> others
> W: winbind: package-has-unnecessary-activation-of-ldconfig-trigger
> E: samba-common-bin: missing-dependency-on-libc needed by
> usr/bin/dbwrap_tool and 5 others
> W: samba-common-bin: manpage-has-errors-from-man
> usr/share/man/man5/smb.conf.5.gz 3267: warning [p 38, 10.2i]: can't break
> line
> W: samba-common-bin: binary-without-manpage usr/sbin/samba_kcc
> E: python3-samba: missing-dependency-on-libc needed by
> usr/lib/python3/dist-packages/samba/_glue.cpython-37m-x86_64-linux-gnu.so
> and 59 others
> W: python3-samba: package-has-unnecessary-activation-of-ldconfig-trigger
> E: samba-dsdb-modules: missing-dependency-on-libc needed by
> usr/lib/x86_64-linux-gnu/samba/ldb/acl.so and 49 others
> E: samba-testsuite: missing-dependency-on-libc needed by usr/bin/gentest and
> 6 others
> W: samba-testsuite: package-has-unnecessary-activation-of-ldconfig-trigger
> W: libwbclient0: shared-lib-without-dependency-information
> usr/lib/x86_64-linux-gnu/samba/libaesni-intel.so.0
> E: libwbclient0: missing-dependency-on-libc needed by
> usr/lib/x86_64-linux-gnu/libsamba-util.so.0.0.1 and 7 others
> E: registry-tools: missing-dependency-on-libc needed by usr/bin/regdiff and
> 3 others
> E: libnss-winbind: missing-dependency-on-libc needed by
> lib/x86_64-linux-gnu/libnss_winbind.so.2 and 1 others
> E: smbclient: missing-dependency-on-libc needed by usr/bin/cifsdd and 8
> others
> E: libpam-winbind: missing-dependency-on-libc needed by
> lib/x86_64-linux-gnu/security/pam_winbind.so
> N: 20 tags overridden (15 errors, 5 warnings)
> Finished running lintian.
>
> This did produce deb files, and when testing these it ends in ..
> The following.
>
> Checking smb.conf with testparm
> testparm: error while loading shared libraries: libreplace.so.0: cannot open
> shared object file: No such file or directory
> dpkg: error processing package samba-common-bin (--configure):
>  installed samba-common-bin package post-installation script subprocess
> returned error exit status 127
>
> So i moved libreplace.so.0 in my test setup from libwbclient0.install to
> samba-libs.install
>
> Resulting in.
> Checking smb.conf with testparm
> testparm: error while loading shared libraries: libiov-buf.so.0: cannot open
> shared object file: No such file or directory
> dpkg: error processing package samba-common-bin (--configure):
>
> So i move libiov-buf.so.0 from libwbclient0.install to samba-libs.install
>
> And again i tested.
> Setting up samba-common-bin (2:4.11.0+dfsg-1.2) ...
> Checking smb.conf with testparm
> testparm: error while loading shared libraries: libsocket-blocking.so.0:
> cannot open shared object file: No such file or directory
> dpkg: error processing package samba-common-bin (--configure):
>  installed samba-common-bin package post-installation script subprocess
> returned error exit status 127
> dpkg: dependency problems prevent configuration of samba:
>  samba depends on samba-common-bin (= 2:4.11.0+dfsg-1.2); however:
>   Package samba-common-bin is not configured yet.
>
> dpkg: error processing package samba (--configure):
>  dependency problems - leaving unconfigured
> dpkg: dependency problems prevent configuration of winbind:
>  winbind depends on samba-common-bin (= 2:4.11.0+dfsg-1.2); however:
>   Package samba-common-bin is not configured yet.
>
> dpkg: error processing package winbind (--configure):
>  dependency problems - leaving unconfigured
> Processing triggers for man-db (2.8.5-2) ...
> Processing triggers for libc-bin (2.28-10) ...
> Processing triggers for systemd (241-7~deb10u1) ...
> Errors were encountered while processing:
>  samba-common-bin
>  samba
>  winbind
> E: Sub-process /usr/bin/dpkg returned an error code (1)
>
>
> So yes, i can move a lot around and make small steps.
> But isnt this the same problem as in the bugzilla report?
> Isnt there a better way of other way to fix it, or is this a ..
> One time big change we have todo to make things better.
>
>
>
> So far,
>
> Greetz,
>
> Louis
>
>
>
>
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-- 
Mathieu