Hi Andrew, Is this revert something you would be willing to take?
-Kees On Fri, Feb 15, 2013 at 8:32 AM, Paul Gortmaker <[email protected]> wrote: > On 13-02-15 11:18 AM, Kees Cook wrote: >> 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? > > There were several acks in the original thread, but for some unknown > reason (at least unknown to me and Richard), it never made it in tree... -- 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/

