Re: [CHECKER] potential dereference of user pointer errors

Chris Wright (chris@wirex.com)
Fri, 21 Mar 2003 16:15:50 -0800

* Junfeng Yang (yjf@stanford.edu) wrote:
>
> [MINOR] in debug data
>
> /home/junfeng/linux-2.5.63/drivers/usb/serial/kobil_sct.c:429:kobil_write:
> ERROR:TAINTED deferencing "buf" tainted by [dist=0][copy_from_user:parm1]

This is a bug, which could print kernel data if debugging was enabled.
Greg, any reason the debug info can't just use the priv->buf?

thanks,
-chris

-- 
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