Messages in this thread | | | Date | Mon, 21 Dec 2009 08:20:02 -0800 | From | Greg KH <> | Subject | Re: BUG null dereference in driver ./drivers/usb/serial/mos7840.c |
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On Mon, Dec 21, 2009 at 07:51:09PM +0000, Alexander Strakh wrote: > KERNEL_VERSION: 2.6.32 > SUBJECT: null derefernce in function mos7840_bulk_in_callback > SUBSCRIBE: > In driver drivers/usb/serial/mos7840.c in function > mos7840_bulk_in_callback: > > 1. If in line 697 mos7840_port = NULL then we goto line 699
How can that happen?
> 2. In line 699 we have null dereference. > > 696 mos7840_port = urb->context; > 697 if (!mos7840_port) { > 698 dbg("%s", "NULL mos7840_port pointer"); > 699 mos7840_port->read_urb_busy = false; > 700 return; > 701 } > > Found by Linux Device Drivers Verification Project (Svace Detector)
What is this?
Are you also going to send patches for stuff like this?
thanks,
greg k-h
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