Re: migrate_pages() of process with same UID in 4.15-rcX

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[Sorry for a very late reply]

On Wed 10-01-18 10:21:31, Eric W. Biederman wrote:
[...]
> All of that said.  I am wondering if we should have used
> PTRACE_MODE_READ_FSCREDS on these permission checks.

If this is really about preventing the layout discovery then we should
be in sync with proc_mem_open and that uses PTRACE_MODE_FSCREDS|PTRACE_MODE_READ
Should we do the same thing here?
-- 
Michal Hocko
SUSE Labs

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