Alan Cox wrote: > > Ar Mer, 2006-08-09 am 10:41 +0200, ysgrifennodd Edgar Toernig: > > > If I own the file I can make it a symlink to a pty/tty pair > > > I can revoke a pty/tty pair > > > > With the EIO/EOF behaviour that's not a problem - apps that deal > > with ttys have to expect that condition. > > Think about it a moment - I can symlink any file to a tty/pty pair so > any file I own you open might be a tty. Yes, OK. The EIO/EOF behaviour is fine. Even for regular files it's not something extraordinary. > > Hmm... which apps have an open fd on block devices? Usually a > > cdrecord, cd audio players, eject, .... And killing them is not OK? "fuser -km /dev/cdrom" already covers both cases, mounted somewhere and opened for special access. Sorry if I sound a little bit anal. IMO, a generic revoke is a pretty sharp sword which is given to ordinary users and I have a very uneasy feeling. They can dig in the innards of other people's processes - a clean headshot by root is something different ... Ciao, ET. - 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
