Messages in this thread | | | From | Bartlomiej Zolnierkiewicz <> | Subject | Re: [PATCH] video: fbdev: udlfb: Fix use after free on dlfb_usb_probe error path | Date | Mon, 21 Aug 2017 16:35:53 +0200 |
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On Friday, August 11, 2017 03:59:01 PM Anton Vasilyev wrote: > If dlfb_usb_probe drops to error path then there is only one > kref_init() call and no kref_get(), so second kref_put() leads to > use after free. > > The patch removes superfluous kref_put on dlfb_usb_probe error path. > > Found by Linux Driver Verification project (linuxtesting.org). > > Signed-off-by: Anton Vasilyev <vasilyev@ispras.ru>
Patch queued for 4.14, thanks.
Best regards, -- Bartlomiej Zolnierkiewicz Samsung R&D Institute Poland Samsung Electronics
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