Messages in this thread | | | Date | Tue, 14 Jan 2014 15:10:50 +0400 | Subject | Re: [PATCH] netfilter: nf_conntrack: fix RCU race in nf_conntrack_find_get (v3) | From | Andrey Wagin <> |
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> > Eh, looks like this path is incomplete too:( > > I think we can't set a reference counter for objects which is allocated > from a SLAB_DESTROY_BY_RCU cache. Look at the following backtrace. > > cpu1 cpu2 > ct = ____nf_conntrack_find() > destroy_conntrack > atomic_inc_not_zero(ct)
ct->ct_general.use is zero after destroy_conntrack(). Sorry for the noise.
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