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Message-ID: <CAA2zVHq5X0SVrndPRK4bECSUMJgBkX3rWqi6xOtYN6oqkcyf4w@mail.gmail.com>
Date: Tue, 24 Sep 2024 10:07:11 -0400
From: James Y Knight <jyknight@...gle.com>
To: libc-coord@...ts.openwall.com
Subject: Re: getrandom via vDSO
On Mon, Sep 23, 2024 at 5:19 PM Schrodinger ZHU Yifan <i@...yi.fan> wrote:
>
> 1. Is it clear that unwrapped clone/fork and other edge cases will not
> complicate the situation?
>
> The way things are designed, raw calls to clone/fork ought to, at worst,
result in a fallback to the syscall for the rest of the thread's
lifetime, and a "leak" of some of the per-thread allocated storage. It
certainly does complicate the implementation a bit, but the overall design
seems sound, from what I can tell.
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