Mercurial > hg > dhcpcd
changeset 4759:2e62e5b3a0db draft
inet6: Fix a potential crash learning addresses
Interface maybe active but without options.
In this case, check the global state of IPv6.
| author | Roy Marples <roy@marples.name> |
|---|---|
| date | Mon, 14 Oct 2019 16:01:00 +0100 |
| parents | 750d4c1a26cb |
| children | df9aadb7dd13 |
| files | src/ipv6.c |
| diffstat | 1 files changed, 3 insertions(+), 1 deletions(-) [+] |
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--- a/src/ipv6.c Fri Oct 11 11:37:10 2019 +0100 +++ b/src/ipv6.c Mon Oct 14 16:01:00 2019 +0100 @@ -1253,7 +1253,9 @@ * or DHCP6 handlers and the existance of any useable * global address on the interface has changed, * call rt_build to add/remove the default route. */ - if (ifp->active && ifp->options->options & DHCPCD_IPV6 && + if (ifp->active && + ((ifp->options != NULL && ifp->options->options & DHCPCD_IPV6) || + (ifp->options == NULL && ctx->options & DHCPCD_IPV6)) && !(ctx->options & DHCPCD_RTBUILD) && (ipv6_anyglobal(ifp) != NULL) != anyglobal) rt_build(ctx, AF_INET6);