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SubjectRe: [RFC][PATCH v4] procfs: Always expose /proc/<pid>/map_files/ and make it readable
On Wednesday 03/11 at 01:17 +0300, Cyrill Gorcunov wrote:
> On Sat, Feb 14, 2015 at 12:40:09PM -0800, Calvin Owens wrote:
> > Currently, /proc/<pid>/map_files/ is restricted to CAP_SYS_ADMIN, and
> > is only exposed if CONFIG_CHECKPOINT_RESTORE is set. This interface is
> > very useful for enumerating the files mapped into a process when the
> > more verbose information in /proc/<pid>/maps is not needed. It also
> > allows access to file descriptors for files that have been deleted and
> > closed but are still mmapped into a process, which can be very useful
> > for introspection and debugging.
>
> Guys, I'm really-really sorry for not replying the email that long.
> If I understand correctly all concerns were addressed, right?

Ping!

I thought everybody was happy after the permission check was changed
to be PTRACE_MODE_ATTACH. But I'll resend one more time if you prefer.

Thanks,
Calvin


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