Thread (23 messages) 23 messages, 6 authors, 2020-07-12

Re: [PATCH v3 10/16] exec: Remove do_execve_file

From: Pavel Machek <hidden>
Date: 2020-07-12 21:02:56
Also in: bpf, linux-fsdevel, lkml

Possibly related (same subject, not in this thread)

On Thu 2020-07-02 11:41:34, Eric W. Biederman wrote:
Now that the last callser has been removed remove this code from exec.
Typo "caller".
For anyone thinking of resurrecing do_execve_file please note that
resurrecting?
the code was buggy in several fundamental ways.

- It did not ensure the file it was passed was read-only and that
  deny_write_access had been called on it.  Which subtlely breaks
  invaniants in exec.
subtly, invariants?

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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