dhcpcd-discuss

On 19/04/2020 23:54, John Barks wrote:
> I opened a bug with ArchLinux and was asked to report it upstream, if this is 
> not the place to do that please let me know.
>
>
> https://bbs.archlinux.org/viewtopic.php?id=254857
>
> https://bugs.archlinux.org/task/66313
>
> *DHCPCD 9.0.1-2 upgrade breaks name resolution 
> <https://bbs.archlinux.org/viewtopic.php?id=254857>
> *
>
> Downgrade to 8.1.7-1 fixes it.
>
> 'sudo systemctl status dhcpcd.service' yields this
>
> |Apr 19 12:04:11 carlos dhcpcd[866]: ps_dostop: Connection refused I get an IP 
> address but resolv.conf is left blank so that there is no name resolution. I can 
> ping by IP. Please find attached to this email the full output of 'sudo 
> journalctl -b -1' Please let me know if there is anything else you might need 
> from me. Thanks, John Barks barksjn@xxxxxxxxx |

Does this patch fix it? I should be making a new release shortly with this in.
Roy

diff --git a/src/ipv6.c b/src/ipv6.c
index 570879ae..3e0dcc0c 100644
--- a/src/ipv6.c
+++ b/src/ipv6.c
@@ -2073,10 +2073,13 @@ ipv6_regentempaddrs(void *arg)
 	struct ipv6_state *state;
 	struct ipv6_addr *ia;

+	state = IPV6_STATE(ifp);
+	if (state == NULL)
+		return;
+
 	ipv6_regen_desync(ifp, true);

 	clock_gettime(CLOCK_MONOTONIC, &tv);
-	state = IPV6_STATE(ifp);
 	TAILQ_FOREACH(ia, &state->addrs, next) {
 		if (ia->flags & IPV6_AF_TEMPORARY &&
 		    !(ia->flags & IPV6_AF_STALE))