Re: make PROT_WRITE imply PROT_READ

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On 6/27/06, Pavel Machek <[email protected]> wrote:
Usability for "normal" C applications is probably not too high... so
why not work around it in glibc, if at all?

Because it wouldn't affect all b inaries.  Existing code could still
cause the problem.  Also, there are other callers of the syscalls
(direct, other libcs, etc).  The only reliable way to get rid of this
problem is to enforce it in the kernel.  Since the kernel cannot make
sense of this setting in all situations it is IMO even necessary since
you really don't want to have anything as unstable as this code.
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