On Fri, Feb 15, 2013 at 7:54 AM, Paul Gortmaker <[email protected]> wrote: > commit ec0c4274e33c0373e476b73e01995c53128f1257 ("futex: Mark > get_robust_list as deprecated") added these two WARN_ONCE calls. > > However, WARN_ONCE taints the kernel, and we shouldn't be allowing > any user who wanders by to do this. For example, the system fuzzer > "trinity" uses the tainted state as a metric for when to stop, > assuming that it has caused significant wreckage (and indeed > that tool is what actually led me to this change). > > The ability to deprecate this code has been called into question[1], > but if that remains to be finalized, then making this change in the > interim seems to make sense. > > [1] http://lkml.indiana.edu/hypermail/linux/kernel/1208.0/01081.html > > Cc: Dave Jones <[email protected]> > Cc: Richard Weinberger <[email protected]> > Cc: Kees Cook <[email protected]> > Cc: Thomas Gleixner <[email protected]> > Cc: [email protected] # 3.4+ > Signed-off-by: Paul Gortmaker <[email protected]>
I Acked the original revert. I thought there was agreement that it was needed for checkpointing to work? -Kees -- Kees Cook Chrome OS Security -- 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/
