Re: [PATCH] i825xx: fix paging fault on znet_probe()

From: David Miller
Date: Tue Sep 04 2012 - 15:13:28 EST


From: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Date: Sun, 2 Sep 2012 15:25:46 +0800

> In znet_probe(), strncmp() may access beyond 0x100000 and
> trigger the below oops in kvm. Fix it by limiting the loop
> under 0x100000-8. I suspect the limit could be further decreased
> to 0x100000-sizeof(struct netidblk), however no datasheet at hand..
...
> Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>

This also makes the code actually match the description in the comment
above the loop :-)

Applied, thanks.
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