In case of the global eventhandler make sure the current VNET
is still operational before doing any work; otherwise we might run into, e.g., destroyed locks. PR: 210724 Reported by: olevole olevole.ru Sponsored by: The FreeBSD Foundation MFC after: 2 weeks Obtained from: projects/vnet Approved by: re (gjb)
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=302302
@ -104,6 +104,10 @@ ifaddr_change(void *arg __unused, struct ifnet *ifp)
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KASSERT(curvnet == ifp->if_vnet,
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("curvnet(%p) differs from iface vnet(%p)", curvnet, ifp->if_vnet));
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if (V_ipfw_vnet_ready == 0 || V_ipfw_nat_ready == 0)
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return;
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chain = &V_layer3_chain;
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IPFW_UH_WLOCK(chain);
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/* Check every nat entry... */
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@ -1145,12 +1149,12 @@ vnet_ipfw_nat_uninit(const void *arg __unused)
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chain = &V_layer3_chain;
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IPFW_WLOCK(chain);
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V_ipfw_nat_ready = 0;
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LIST_FOREACH_SAFE(ptr, &chain->nat, _next, ptr_temp) {
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LIST_REMOVE(ptr, _next);
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free_nat_instance(ptr);
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}
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flush_nat_ptrs(chain, -1 /* flush all */);
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V_ipfw_nat_ready = 0;
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IPFW_WUNLOCK(chain);
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return (0);
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}
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