Messages in this thread | | | Date | Thu, 16 Mar 2023 17:19:35 +0100 | From | Greg Kroah-Hartman <> | Subject | Re: [PATCH] usb: gadget: net2280: fix NULL pointer dereference |
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On Thu, Mar 16, 2023 at 06:53:55PM +0300, Valery Zabrovsky wrote: > In net2280_free_request(): > If _ep is NULL, then ep is NULL and is dereferenced > while trying to produce an error message.
How can that ever happen? How did you test and hit this?
> The patch replaces dev_err() with pr_err() which works fine.
That's not a good idea for driver code to use, sorry.
> Found by Linux Verification Center (linuxtesting.org) with SVACE.
As I have said before, your testing framework needs a lot more work.
good luck!
greg k-h
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