On Thu, Jul 17, 2014 at 03:53:46PM -0700, Andrew Morton wrote: > On Thu, 17 Jul 2014 00:32:47 +0300 Alexey Dobriyan <adobri...@gmail.com> > 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?
I thought someone smarter than me would suggest what to do. Please replace with v2. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
