netdev - Re: Null pointer dereference in bonding driver, kernel 2.6.24

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Message-ID: <3489.1201820129@death>
Date:	Thu, 31 Jan 2008 14:55:29 -0800
From:	Jay Vosburgh <fubar@...ibm.com>
To:	Chuck Ebbert <cebbert@...hat.com>
cc:	Netdev <netdev@...r.kernel.org>
Subject: Re: Null pointer dereference in bonding driver, kernel 2.6.24 

Chuck Ebbert <cebbert@...hat.com> wrote:

>In bond_main.c:
>
>int bond_create(char *name, struct bond_params *params, struct bonding **newbond)
>{
>...
>        /* Check to see if the bond already exists. */
>        list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list)
>                if (strnicmp(bond->dev->name, name, IFNAMSIZ) == 0) {
>                        printk(KERN_ERR DRV_NAME
>                               ": cannot add bond %s; it already exists\n",
>
>
>If 'name' is null we get a null dereference in strnicmp()
>
>The code was added in 2.6.24.

	This is already fixed in netdev-2.6#upstream.

	-J

---
	-Jay Vosburgh, IBM Linux Technology Center, fubar@...ibm.com
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