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    SubjectRe: [PATCH] slab: warning if total alloc size overflow
    On Tue, Feb 14, 2012 at 4:53 PM, Andrew Morton
    <akpm@linux-foundation.org> wrote:
    > On Tue, 14 Feb 2012 15:28:19 +0800 Yang Bai <hamo.by@gmail.com> wrote:
    >
    >
    > One of the applications of kcalloc() is to prevent userspace from
    > causing a multiplicative overflow (and then perhaps causing an
    > overwrite beyond the end of the allocated memory).
    >
    > With this patch, we've just handed the user a way of spamming the logs
    > at 1MHz.  This is bad.
    >
    >
    > Also, please let's not randomly add debug stuff in places where we've
    > never demonstrated a need for it.

    Ok. Please just drop this patch.

    Thanks.

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