On Sat, 2007-09-15 at 01:43 +1000, Greg Banks wrote: > On Fri, Sep 14, 2007 at 10:58:38AM -0400, Jeff Layton wrote: > > If Irix isn't clearing these bits > > on a write then it might be good to see if they can fix that... > > I think first you'd have to mount a serious argument that it's broken, > more serious than "it works differently from Linux". How about: "If IRIX isn't clearing these bits then they're leaving their customers wide open to all sorts of security issues." Unless you make the chmod/chgrp atomic with the write, then there will always be a way for a client to inject data while the setuid/setgid bits are set: basically, it allows said client to rewrite a setuid/setgid executable. We're not fixing this in the client because it isn't fixable on the client. Trond - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
