linux-kernel - Re: [Patch] signal: let valid

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]

Date:	Fri, 26 Dec 2008 09:56:54 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Américo Wang <xiyou.wangcong@...il.com>
Cc:	Oleg Nesterov <oleg@...hat.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>
Subject: Re: [Patch] signal: let valid_signal() check more


* Américo Wang <xiyou.wangcong@...il.com> wrote:

> >> @@ -727,7 +727,7 @@ int vt_ioctl(struct tty_struct *tty, struct file * file,
> >>  	{
> >>  		if (!perm || !capable(CAP_KILL))
> >>  			goto eperm;
> >> -		if (!valid_signal(arg) || arg < 1 || arg == SIGKILL)
> >> +		if (!valid_signal((int)arg) || arg == SIGKILL)
> >                                  ^^^^^
> >
> >The patch adds a lot of unnecessary typecasts like this.
> 
> because it's inline?

Why does your patch add a lot of seemingly unnecessary typecasts? [if your 
short reply was supposed to be an answer to that question then please 
explain it in more detail.]

	Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/