linux-kernel - Re: [PATCH] score: Fix exception handler label

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

Message-ID: <20150415172334.GA22440@roeck-us.net>
Date:	Wed, 15 Apr 2015 10:23:34 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	Chen Liqin <liqin.linux@...il.com>
Cc:	Lennox Wu <lennox.wu@...il.com>, linux-kernel@...r.kernel.org,
	Quentin Casasnovas <quentin.casasnovas@...cle.com>
Subject: Re: [PATCH] score: Fix exception handler label

On Wed, Apr 15, 2015 at 08:33:50AM -0700, Guenter Roeck wrote:
> The latest version of modinfo fails to compile score architecture

s/modinfo/modpost/

> targets with the following error.
> 
> FATAL: The relocation at __ex_table+0x634 references
> section "__ex_table" which is not executable, IOW
> the kernel will fault if it ever tries to
> jump to it.  Something is seriously wrong
> and should be fixed.
> 
> The probem is caused by a bad label in an __ex_table entry.
> 
> Cc: Quentin Casasnovas <quentin.casasnovas@...cle.com>
> Signed-off-by: Guenter Roeck <linux@...ck-us.net>
> ---
> This might be a candidate for -stable.
> 
>  arch/score/lib/string.S | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/score/lib/string.S b/arch/score/lib/string.S
> index 00b7d3a..16efa3a 100644
> --- a/arch/score/lib/string.S
> +++ b/arch/score/lib/string.S
> @@ -175,10 +175,10 @@ ENTRY(__clear_user)
>  	br	r3
>  
>  	.section .fixup, "ax"
> +99:
>  	br	r3
>  	.previous
>  	.section __ex_table, "a"
>  	.align	2
> -99:
>  	.word	0b, 99b
>  	.previous
> -- 
> 2.1.0
> 
--
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/