Date: Sun, 20 May 2007 21:29:10 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Wes Morgan <morganw@chemikals.org> Cc: Dag-Erling Sm??rgrav <des@des.no>, freebsd-current@freebsd.org, Harald Schmalzbauer <h.schmalzbauer@omnisec.de> Subject: Re: strange "Exec format error" (gcc4.2 suspicious) Message-ID: <20070521012910.GA46689@xor.obsecurity.org> In-Reply-To: <20070520210704.H33354@volatile.chemikals.org> References: <200705201954.00476.h.schmalzbauer@omnisec.de> <868xbjib8t.fsf@dwp.des.no> <200705202130.55833.h.schmalzbauer@omnisec.de> <20070520184710.75db1335@kan.dnsalias.net> <20070520210704.H33354@volatile.chemikals.org>
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On Sun, May 20, 2007 at 09:07:24PM -0400, Wes Morgan wrote: > On Sun, 20 May 2007, Alexander Kabaev wrote: > > >On Sun, 20 May 2007 21:30:55 +0200 > >Harald Schmalzbauer <h.schmalzbauer@omnisec.de> wrote: > > > >>Am Sonntag, 20. Mai 2007 schrieb Dag-Erling Sm?rgrav: > >>>Harald Schmalzbauer <h.schmalzbauer@omnisec.de> writes: > >>>>I compiled samba on a fresh -current and I'm seeing strange > >>>>errors. When I try to execute 'net' I get this error: > >>>>/usr/local/bin/net: Exec format error. Binary file not executable. > >>> > >>>If you're running amd64, there was briefly a bug that caused the > >>>32-bit > >> > >>It was my very first thought too, but it's i386. It's a xeon 3050 > >>(core2, thus EM64-T) processor but world alwys was i386 and also is > >>for that jail. Could it be possible that there's any runtime > >>detection which made me 64-bit binaries on a 32-bit base system? > >> > >Samba auto-detected -fpie support in GCC 4.3 and tried to use it. > >FreeBSD kernel does not know how to deal with binaries created by this > >option yet, so it freaks out. > > > >Add --disable-pie to CONFIGURE_ARGS in sambe3 port for now. > > This same problem exists for kdelibs3, maybe other kde ports > (investigating now). Are you sure, they do not appear to compile with -fPIE. Kris
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