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SubjectRe: /proc/<pid>/mem unreadable
Date
> The best solution is, I believe, to validate the request at
> read-time instead of open-time.

Be very careful that you don't do


if(request_valid(x))
{
memcpy_tofs(....)


as the paging of the process could sleep and cause the data to be copied
from the new task I think. It might need


if(request_valid(x))
{
memcpy_tofs(....)
if(!request_valid(x))
memset(..,0,...)

}

Alan



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