linux-kernel - Re: [patch V6 23/31] rseq: Provide and use rseq_set

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <cfeb812e-9f28-436b-a825-3fcab27a88f4@efficios.com>
Date: Tue, 28 Oct 2025 11:47:28 -0400
From: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To: Thomas Gleixner <tglx@...utronix.de>, LKML <linux-kernel@...r.kernel.org>
Cc: Michael Jeanson <mjeanson@...icios.com>, Jens Axboe <axboe@...nel.dk>,
 Peter Zijlstra <peterz@...radead.org>, "Paul E. McKenney"
 <paulmck@...nel.org>, x86@...nel.org, Sean Christopherson
 <seanjc@...gle.com>, Wei Liu <wei.liu@...nel.org>
Subject: Re: [patch V6 23/31] rseq: Provide and use rseq_set_ids()

On 2025-10-27 04:45, Thomas Gleixner wrote:
[...]
> +		unsafe_put_user(0UL, &rseq->rseq_cs, efault);
> +		unsafe_put_user(0UL, &rseq->rseq_cs, efault);

Wow! You really want to make sure it's zeroed. ;-)

Other than this:

Reviewed-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>

-- 
Mathieu Desnoyers
EfficiOS Inc.
https://www.efficios.com