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Message-Id: <20190514.154236.2269798493150074980.davem@davemloft.net> Date: Tue, 14 May 2019 15:42:36 -0700 (PDT) From: David Miller <davem@...emloft.net> To: yuehaibing@...wei.com Cc: paulus@...ba.org, gnault@...hat.com, linux-kernel@...r.kernel.org, netdev@...r.kernel.org Subject: Re: [PATCH v2] ppp: deflate: Fix possible crash in deflate_init From: YueHaibing <yuehaibing@...wei.com> Date: Tue, 14 May 2019 22:55:32 +0800 > BUG: unable to handle kernel paging request at ffffffffa018f000 ... > If ppp_deflate fails to register in deflate_init, > module initialization failed out, however > ppp_deflate_draft may has been regiestred and not > unregistered before return. > Then the seconed modprobe will trigger crash like this. > > Reported-by: Hulk Robot <hulkci@...wei.com> > Signed-off-by: YueHaibing <yuehaibing@...wei.com> > --- > v2: also check ppp_deflate_draft registration Applied and queued up for -stable, thanks.
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