linux-kernel - Re: [RFC PATCH v5 01/13] ptrace: Use regset

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] [day] [month] [year] [list]

Date:   Thu, 28 May 2020 14:36:40 +0200
From:   Oleg Nesterov <oleg@...hat.com>
To:     Greentime Hu <greentime.hu@...ive.com>
Cc:     guoren@...ux.alibaba.com, vincent.chen@...ive.com,
        paul.walmsley@...ive.com, palmerdabbelt@...gle.com,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v5 01/13] ptrace: Use regset_size() for dynamic regset

On 05/28, Greentime Hu wrote:
>
> --- a/kernel/ptrace.c
> +++ b/kernel/ptrace.c
> @@ -888,7 +888,7 @@ static int ptrace_regset(struct task_struct *task, int req, unsigned int type,
>  
>  	regset_no = regset - view->regsets;
>  	kiov->iov_len = min(kiov->iov_len,
> -			    (__kernel_size_t) (regset->n * regset->size));
> +			    (__kernel_size_t) regset_size(task, regset));

Acked-by: Oleg Nesterov <oleg@...hat.com>