Date: Sun, 15 Jul 2007 17:17:10 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Michiel Boland <michiel@boland.org> Cc: freebsd-current@freebsd.org Subject: Re: sshd broken with UsePrivilegeSeparation=yes on sparc64 Message-ID: <58735.1184519830@critter.freebsd.dk> In-Reply-To: Your message of "Sun, 15 Jul 2007 17:43:45 %2B0200." <Pine.GSO.4.64.0707151732540.129@neerbosch.nijmegen.internl.net>
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In message <Pine.GSO.4.64.0707151732540.129@neerbosch.nijmegen.internl.net>, Mi chiel Boland writes: >It looks like gcc mis-compiles /usr/src/crypto/openssh/monitor_fdpass.c on >sparc64. For some reason it optimizes away the assignment of fd on line >132: > > fd = (*(int *)CMSG_DATA(cmsg)); > >So, obviously a gcc bug. I will try to generate a smaller test-case for >this. I'm not convinced that CMSG_DATA is entirely kosher. FlexeLint (www.gimpel.com) have complained about CMSG_DATA for ages but I have never been able to figure out why it complained. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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