On Thu, Jan 20, 2005 at 08:04:54PM +0530, Syed Ahemed wrote: > Just a thought , Any specific reasons why isn't there a LSM module > that takes care of length checking of strings that cause buffer > overflow ( hooks for strcpy or memcpy ) .? Even 2.6 doesn't address > this. [Syed, please carefully trim your posts so that you quote only relevant portions of earlier messages in your replies; thanks.] The kernel doesn't care what language your userspace programs are written in. The system call interface headers are all written in C, but they could just as easily be native Ada, Fortran, Java, Assembly, etc.. As a result, the kernel is not the location to try to solve design flaws in popular implementation language runtime libraries. (Besides, who really wants to call out to the kernel every time a program wants to do something as mundane as copying a string?) I hope this helps
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