linux-kernel - Re: [PATCH Resend] - SN: validate smp

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:	Tue, 8 May 2007 12:19:45 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Luck, Tony" <tony.luck@...el.com>
Cc:	"John Keller" <jpk@....com>, <linux-kernel@...r.kernel.org>,
	<steiner@....com>, <linux-ia64@...r.kernel.org>
Subject: Re: [PATCH Resend] - SN: validate smp_affinity mask on intr
 redirect

On Tue, 8 May 2007 11:03:20 -0700
"Luck, Tony" <tony.luck@...el.com> wrote:

> +#ifndef is_affinity_mask_valid
> +#define is_affinity_mask_valid() 1
> +#endif
> +
>  int no_irq_affinity;
>  static int irq_affinity_write_proc(struct file *file, const char __user *buffer,
>  				   unsigned long count, void *data)
> @@ -42,6 +46,9 @@ static int irq_affinity_write_proc(struc
>  	if (err)
>  		return err;
>  
> +	if (!is_affinity_mask_valid(new_value))
> +		return -EINVAL;
> 
> This results in a warning:
> kernel/irq/proc.c:49: warning: implicit declaration of function `is_affinity_mask_valid'
> 

It had a dopey little bug:


diff -puN kernel/irq/proc.c~sn-validate-smp_affinity-mask-on-intr-redirect-fix kernel/irq/proc.c
--- a/kernel/irq/proc.c~sn-validate-smp_affinity-mask-on-intr-redirect-fix
+++ a/kernel/irq/proc.c
@@ -28,7 +28,7 @@ static int irq_affinity_read_proc(char *
 }
 
 #ifndef is_affinity_mask_valid
-#define is_affinity_mask_valid() 1
+#define is_affinity_mask_valid(val) 1
 #endif
 
 int no_irq_affinity;
_

-
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/