Messages in this thread | | | Date | Fri, 3 Jun 2011 13:57:38 -0500 | From | Timur Tabi <> | Subject | Re: [PATCH] lib: introduce strdup_from_user |
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Scott Wood wrote: > Why does it matter, as long as it doesn't hurt the kernel if userspace > plays games (i.e. take care of the NUL termination), and it's not a > performance problem?
Ok, I don't know why I didn't notice this earlier, but this function already exists in the kernel. It's called strndup_user().
So I'd like to rescind this patch, please.
Note that strndup_user() has the double-access problem.
-- Timur Tabi Linux kernel developer at Freescale
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