On Thu, 17 Jul 2014 00:32:47 +0300 Alexey Dobriyan <[email protected]> wrote:
> Convert /proc/$PID/cmdline to seq_file interface. > > XXX Unsure what XXX signifies. > This one must be buggy. > > seq_file buffer is adjustable, so userspace can execute itself > with huge command line (which can be arbitrarily long now), then read 1 byte. > > Voila, whole command line now is in kmalloced/vmalloced memory. > > Imposing limit is trivial but equally lame to current PAGE_SIZE limit. Confused. Why send the patch if you don't like it? Why not go ahead and impose the PAGE_SIZE limit? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
