Re: [PATCH][RFC] Let even non-dumpable tasks access /proc/self/fd

[Serge E. Hallyn]

Quoting Petr Baudis (pasky@xxxxxxx):
> This kernel patch fixes the problem by letting the process access its
> own /proc/self/fd - as far as I can see, this should be reasonably safe
> since for the process, this does not reveal "anything new". Feel free to
> comment on this.

Given that

	fd=open("/etc/shadow", "r");
	setuid(1000);
	read(fd, buf, 100);

is possible before this patch, I agree - nothing new is revealed with
this patch  :)

(I've been waiting to respond because it does make me nervous, but
it seems clear that is unwarranted)

thanks,
-serge
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