On Mon, 2017-02-06 at 11:09 +0100, Nicolas Dichtel wrote: > Package: src:linux > Version: 3.16.39-1 > Severity: important > Tags: patch > > Dear Maintainer, > > Under some circumstances, when an ipv6 peer addresse is removed, there is a > refcnt problem: > kernel:[ 9614.220549] unregister_netdevice: waiting for lo to become free. > Usage count = 2 > > This bug has been fixed by the following upstream patch: > f24062b07dda ipv6: fix a refcnt leak with peer addr > > You may also consider backporting thoses patches: > e7478dfc4656 ipv6: use addrconf_get_prefix_route() to remove peer addr
I'm happy to apply those two. > 8e3d5be73681 ipv6: Avoid double dst_free [...] I don't understand this well enough to safely backport it. Do you know whether the issue it fixes actually exists in 3.16? Also, it needs at least one follow-on fix: 02bcf4e082e4 ipv6: Check rt->dst.from for the DST_NOCACHE route Ben. -- Ben Hutchings Man invented language to satisfy his deep need to complain. - Lily Tomlin
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