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Re: nd6_free assumes all routers are processed by kernel RA
On 22/08/2019 22:51, Roy Marples wrote:
This hasn't been the case for a long time if you're a dhcpcd user with a
As such, it's possible for the default IPv6 router as set by dhcpcd
could be erroneously gc'ed by nd6_free.
Attached is a patch which addresses this by no longer considering any
kernel selected default router and just considering if it is a router or
This reduces the scope of the ND6_WLOCK taken as well as fixing an issue
where we write to ln->ln_state without a lock being held.
I would like this commited fairly promptly as I want it pulled up to -9
and -8 (probablly need some adjustments, I've not checked).
While here, does anyone know why this is guarded by !ip6_forwarding ?
I'm pretty sure I wouldn't want a default route gc'ed on a router either.
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