Re: [PATCH 2/4] asm-generic: uaccess: add missing access_ok() check to strnlen_user()

From: Arnd Bergmann
Date: Sun Jun 14 2009 - 16:35:50 EST

On Sunday 14 June 2009, Mike Frysinger wrote:
> The strnlen_user() function was missing a access_ok() check on the pointer
> given. We've had cases on Blackfin systems where test programs caused
> kernel crashes here because userspace passed up a NULL/-1 pointer and the
> kernel gladly attempted to run strlen() on it.
> Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>

Applied, thanks.

Arnd <><
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