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Open Source and information security mailing list archives
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Date: Tue, 14 Nov 2006 07:55:46 -0600 From: "Bill O'Donnell" <billodo@....com> To: "Serge E. Hallyn" <serue@...ibm.com> Cc: Chris Friedhoff <chris@...edhoff.org>, linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org, Stephen Smalley <sds@...ho.nsa.gov>, James Morris <jmorris@...ei.org>, Chris Wright <chrisw@...s-sol.org>, Andrew Morton <akpm@...l.org>, KaiGai Kohei <kaigai@...gai.gr.jp>, Alexey Dobriyan <adobriyan@...il.com> Subject: Re: [PATCH 1/1] security: introduce fs caps On Mon, Nov 13, 2006 at 11:25:31PM -0600, Serge E. Hallyn wrote: | Quoting Bill O'Donnell (billodo@....com): | > On Thu, Nov 09, 2006 at 10:33:49AM +0100, Chris Friedhoff wrote: | > | Page http://www.friedhoff.org/fscaps.html updated ... | > | Kernel 2.6.18.2 updated ... | > | System keeps on humming ... | > | Is anyone else using/testing the patch? Please give feedback ... | > | > Most likely a cockpit error, but I'm having trouble when I give the | > capability to ping (using the userexample from your fscaps page): | > | > $ uname -a | > Linux certify 2.6.19-rc3 #3 SMP PREEMPT Mon Nov 13 14:40:54 CST 2006 ia64 | > | > $ sudo chmod 711 /bin/ping | > $ ping -c 1 localhost | > ping: icmp open socket: Operation not permitted | > | > $ sudo setfcaps cap_net_raw=ep /bin/ping | > /bin/ping: Function not implemented (errno=38) | > | > Any help is appreciated. | | Hmm, two things which come to mind are (a) do you have extended | attributes compiled into your kernel and (b) is sudo properly set | up. | | But for (a) to be the case, you should be getting EOPNOTZSPUP (98), | not ENOSYS (38). | | Could you send me a copy of your .config, tell me which filesystem | you are using, and send the /tmp/straceout after doing | | strace -o/tmp/straceout -f setfcaps cap_net_raw=ep /bin/ping | | as root? .config and straceout attached. The filesystem is ext3. Will check if sudo is properly configured. Thanks, Bill -- Bill O'Donnell SGI 651.683.3079 billodo@....com View attachment ".config.certify" of type "text/plain" (28801 bytes) View attachment "straceout" of type "text/plain" (2655 bytes)
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