Re: [PATCH] allow ptrace and /proc/PID/mem to read fixmap pages

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On Sat, 26 Apr 2003, Roland McGrath wrote:
>
> This patch is i386-specific and should probably be done another way, but
> it's what I am using now. It works and is well-tested.

It looks to me like it will cause NULL pointer dereferences if the user
asks for something that is inside a pmd isn't mapped.

Maybe that won't happen for the FIXADDR range, but this is just not
acceptable. We don't do code without error handling in the kernel.

                Linus

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• Next message: rmoser: "Just ignore this"
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