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More daemons need the same treatment as ospfd recently got in order to

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prevent NULL dereference in interface departure logic when the arrival
of the same interface has not been observed.

Prodded by and ok claudio@
This commit is contained in:
anton 2025-01-02 06:35:57 +00:00
parent a7b8518d79
commit 018a085a0a
3 changed files with 9 additions and 6 deletions
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5
usr.sbin/dvmrpd/kroute.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: kroute.c,v 1.14 2017/07/24 11:00:01 friehm Exp $ */
/* $OpenBSD: kroute.c,v 1.15 2025/01/02 06:35:57 anton Exp $ */
/*
* Copyright (c) 2004 Esben Norby <norby@openbsd.org>
@ -269,7 +269,8 @@ if_announce(void *msg)
break;
case IFAN_DEPARTURE:
kif = kif_find(ifan->ifan_index);
kif_remove(kif);
if (kif != NULL)
kif_remove(kif);
break;
}
}

5
usr.sbin/ospf6d/kroute.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: kroute.c,v 1.69 2024/05/18 11:17:30 jsg Exp $ */
/* $OpenBSD: kroute.c,v 1.70 2025/01/02 06:35:57 anton Exp $ */
/*
* Copyright (c) 2004 Esben Norby <norby@openbsd.org>
@ -1099,7 +1099,8 @@ if_announce(void *msg)
break;
case IFAN_DEPARTURE:
iface = if_find(ifan->ifan_index);
if_del(iface);
if (iface != NULL)
if_del(iface);
break;
}
}

5
usr.sbin/ripd/kroute.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: kroute.c,v 1.36 2023/03/08 04:43:14 guenther Exp $ */
/* $OpenBSD: kroute.c,v 1.37 2025/01/02 06:35:57 anton Exp $ */
/*
* Copyright (c) 2004 Esben Norby <norby@openbsd.org>
@ -710,7 +710,8 @@ if_announce(void *msg)
break;
case IFAN_DEPARTURE:
kif = kif_find(ifan->ifan_index);
kif_remove(kif);
if (kif != NULL)
kif_remove(kif);
break;
}
}