linux-kernel - Re: fs/ufs/inode.c:817: warning: array subscript is above array bounds

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Message-ID: <5157576d0701311210j737a3f40h63cef509dadc170f@mail.gmail.com>
Date:	Wed, 31 Jan 2007 23:10:57 +0300
From:	"Tomasz Kvarsin" <kvarsin@...il.com>
To:	"Andrew Morton" <akpm@...l.org>, dcb314@...mail.com
Cc:	linux-kernel@...r.kernel.org
Subject: Re: fs/ufs/inode.c:817: warning: array subscript is above array bounds

d binderman wrote:
>Hello there,
>
>I just tried to compile Linux kernel 2.6.19.2 with the
>new GNU C compiler version 4.3 snapshot 20070126.
>
>The compiler said
>
>fs/ufs/inode.c:817: warning: array subscript is above array bounds
>
>The source code is
>
>        for (i = 0; i < (UFS_NDADDR + UFS_NINDIR); i++)
>            ufs_inode->ui_u2.ui_addr.ui_db[i] = ufsi->i_u1.i_data[i];
>
>but
>
>./include/linux/ufs_fs.h:                       __fs32  ui_db[UFS_NDADDR];/*
>0x28 data blocks */
>./include/linux/ufs_fs.h:                       __fs64
>ui_db[UFS_NDADDR]; /* 112: Direct disk blocks. */
>
>and
>
>        __fs32  i_data[15];
>
>and
>
>#define UFS_NDADDR 12
>#define UFS_NINDIR 3
>
>so the kernel seems to be trying to write fifteen bytes into an array only
>twelve
>bytes in size. Suggest code rework.


As I see, linux-kernel is very high volume(noise?) list,
may better wil be resend to relevant mantainer(Andrew Morton?)
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