Messages in this thread | | | Date | Fri, 24 Jun 2022 15:25:15 +0900 | From | "Dae R. Jeong" <> | Subject | Re: KASAN: use-after-free Read in cfusbl_device_notify |
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On Fri, Jun 24, 2022 at 08:15:54AM +0200, Eric Dumazet wrote: > On Fri, Jun 24, 2022 at 8:08 AM Dae R. Jeong <threeearcat@gmail.com> wrote: > > > > Hello, > > > > We observed a crash "KASAN: use-after-free Read in cfusbl_device_notify" during fuzzing. > > This is a known problem. > > Some drivers do not like NETDEV_UNREGISTER being delivered multiple times. > > Make sure in your fuzzing to have NET_DEV_REFCNT_TRACKER=y > > Thanks.
Our config already have CONFIG_NET_DEV_REFCNT_TRACKER=y. Anyway, this UAF report seems not interesting.
Thank you for your quick reply.
Best regards, Dae R. Jeong.
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