On Thu, 30 Jun 2016, [email protected] wrote:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=210724
Bug ID: 210724
Summary: panic on vnet destroy on recent FreeBSD 11-ALPHA5:
vnet or rw_wlock_hard related
Product: Base System
Version: 11.0-CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
FreeBSD 11.0-ALPHA5 r302206
When destroy vnet-based interfaces, FreeBSD panic with Fatal trap 12:
Hi,
I cannot login to bugzilla currently from here, but could you try:
Index: sys/netpfil/ipfw/ip_fw_nat.c
===================================================================
--- sys/netpfil/ipfw/ip_fw_nat.c (revision 302298)
+++ sys/netpfil/ipfw/ip_fw_nat.c (working copy)
@@ -104,6 +104,10 @@ ifaddr_change(void *arg __unused, struct ifnet *if
KASSERT(curvnet == ifp->if_vnet,
("curvnet(%p) differs from iface vnet(%p)", curvnet, ifp->if_vnet));
+
+ if (V_ipfw_vnet_ready == 0 || V_ipfw_nat_ready == 0)
+ return;
+
chain = &V_layer3_chain;
IPFW_UH_WLOCK(chain);
/* Check every nat entry... */
@@ -1145,12 +1149,12 @@ vnet_ipfw_nat_uninit(const void *arg __unused)
chain = &V_layer3_chain;
IPFW_WLOCK(chain);
+ V_ipfw_nat_ready = 0;
LIST_FOREACH_SAFE(ptr, &chain->nat, _next, ptr_temp) {
LIST_REMOVE(ptr, _next);
free_nat_instance(ptr);
}
flush_nat_ptrs(chain, -1 /* flush all */);
- V_ipfw_nat_ready = 0;
IPFW_WUNLOCK(chain);
return (0);
}
--
Bjoern A. Zeeb r15:7
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