Date: Wed, 7 Feb 2007 16:10:31 +0200 From: Kostik Belousov <kostikbel@gmail.com> To: Eric Anderson <anderson@freebsd.org> Cc: freebsd-hackers@freebsd.org Subject: Re: /etc/group limits (REAL limits) Message-ID: <20070207141031.GG3304@deviant.kiev.zoral.com.ua> In-Reply-To: <45C9DB67.50602@freebsd.org> References: <45C95C04.6060402@centtech.com> <20070207120948.N31858@mp2.macomnet.net> <20070207134421.GF3304@deviant.kiev.zoral.com.ua> <45C9DB67.50602@freebsd.org>
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--GdbWtwDHkcXqP16f Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Feb 07, 2007 at 08:00:07AM -0600, Eric Anderson wrote: > On 02/07/07 07:44, Kostik Belousov wrote: > >On Wed, Feb 07, 2007 at 12:17:51PM +0300, Maxim Konovalov wrote: > >>On Tue, 6 Feb 2007, 22:56-0600, Eric Anderson wrote: > >> > >>>On one of my boxes where I have a decent amount of (less than 50) > >>>users in a few groups, I finally hit the limit. Not 1024 bytes > >>>though (that I know of). When that happens though, it is sooner than > >>>expected, and tools (like 'id') seg fault (and core dump). > >>> > >>>I have a sample group, and it appears to be hitting the byte limit. > >>>If I add a single additional character to the group, it will break > >>>things. > >>> It appears to be a combination of multiple groups. > >>> > >>>Can someone with some experience in this area comment? I can send > >>>the group file itself if needed. > >>> > >>>This box is 6.2-PRERELEASE from about mid-September. I have also > >>>seen some issues on amd64, which I went through some debugging with > >>>Konstantin Belousov back in November (cc'ed). > >>Make sure you have rev. 1.32.8.3 of lib/libc/gen/getgrent.c. > > > >It was very strange thing with buggy code generated by compiler. I track= ed=20 > >it > >down to exact assembler instruction missed in Mr. Anderson' instance of > >libc.so. After that, conversation stopped. >=20 >=20 > Sorry about that Kostik, the last message was for me to try a newer=20 > libc.so.6. If I recall, I tried that too. I'm not sure what else you=20 > wanted me to try. If you have more ideas, I'm all ears. >=20 AFAIR, libc.so from install CD worked ? I said you that I suspect your compiler. You could try: - libc.so.6 from 6.2-RELEASE CD (I suspect it will work); - compiler from same CD (e.g., try to recompile libc on clean 6.2 RELEASE installation). --GdbWtwDHkcXqP16f Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (FreeBSD) iD8DBQFFyd3WC3+MBN1Mb4gRAgeAAJ9gTFAWlWGd7jQI6pMe7m1qRV1BRgCeOY6s lQ1+x48MBxMADzJLVEubndI= =Fy6W -----END PGP SIGNATURE----- --GdbWtwDHkcXqP16f--
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