From: gfree.w...@vip.163.com Date: Mon, 31 Jul 2017 18:07:38 +0800 > From: Gao Feng <gfree.w...@vip.163.com> > > The PPTP set the pptp_sock_destruct as the sock's sk_destruct, it would > trigger this bug when __sk_free is invoked in atomic context, because of > the call path pptp_sock_destruct->del_chan->synchronize_rcu. > > Now move the synchronize_rcu to pptp_release from del_chan. This is the > only one case which would free the sock and need the synchronize_rcu. > > The following is the panic I met with kernel 3.3.8, but this issue should > exist in current kernel too according to the codes. ... > Signed-off-by: Gao Feng <gfree.w...@vip.163.com>
Applied, thanks.
