linux-kernel - Re: array subscript is above array bounds warnings with gcc4.3

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Date:	Fri, 4 Apr 2008 21:05:09 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	Gabriel C <nix.or.die@...glemail.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Gabriel C <crazy@...galware.org>,
	netdev <netdev@...r.kernel.org>, linux-usb@...r.kernel.org,
	linux-acpi@...r.kernel.org
Subject: Re: array subscript is above array bounds warnings with gcc4.3

On Fri, Apr 04, 2008 at 07:31:18PM +0200, Gabriel C wrote:
> Hi,
> 
> I noticed these warning on my randconfig logs of some builds :
> 
> ..
> 
> drivers/usb/core/hcd.c: In function 'usb_hcd_poll_rh_status':                                                                                                
> include/asm/string_32.h:65: warning: array subscript is above array bounds
> 
> net/netfilter/nf_conntrack_proto_sctp.c: In function 'sctp_packet':                                                                                          
> net/netfilter/nf_conntrack_proto_sctp.c:374: warning: array subscript is above array bounds
> 
> drivers/acpi/tables/tbfadt.c: In function 'acpi_tb_create_local_fadt':                                                                                       
> include/asm/string_32.h:65: warning: array subscript is above array bounds
> 
> ...

Sounds like a known and already fixed bug in gcc.

Can you confirm that they go away when you build your compiler from the 
head of the gcc 4.3 SVN branch?

> Regards,
> 
> Gabriel

cu
Adrian


-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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