linux-kernel - Re: [REVIEW][PATCHv2 03/26] signal/arm64: Use force_sig not force_sig

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <20190523161509.GE31896@fuggles.cambridge.arm.com>
Date:   Thu, 23 May 2019 17:15:09 +0100
From:   Will Deacon <will.deacon@....com>
To:     "Eric W. Biederman" <ebiederm@...ssion.com>
Cc:     linux-kernel@...r.kernel.org,
        Linux Containers <containers@...ts.linux-foundation.org>,
        Oleg Nesterov <oleg@...hat.com>, linux-arch@...r.kernel.org,
        Dave Martin <Dave.Martin@....com>,
        James Morse <james.morse@....com>
Subject: Re: [REVIEW][PATCHv2 03/26] signal/arm64: Use force_sig not
 force_sig_fault for SIGKILL

On Thu, May 23, 2019 at 11:11:19AM -0500, Eric W. Biederman wrote:
> diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
> index ade32046f3fe..e45d5b440fb1 100644
> --- a/arch/arm64/kernel/traps.c
> +++ b/arch/arm64/kernel/traps.c
> @@ -256,7 +256,10 @@ void arm64_force_sig_fault(int signo, int code, void __user *addr,
>  			   const char *str)
>  {
>  	arm64_show_signal(signo, str);
> -	force_sig_fault(signo, code, addr, current);
> +	if (signo == SIGKILL)
> +		force_sig(SIGKILL, current);
> +	else
> +		force_sig_fault(signo, code, addr, current);
>  }

Acked-by: Will Deacon <will.deacon@....com>

Are you planning to send this series on, or would you like me to pick this
into the arm64 tree?

Will