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Fix a ifa_release() leak for a specific struct rt_addrinfo.

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ok by ozaki-r@n.o
This commit is contained in:
knakahara 2019-09-30 10:22:14 +00:00
parent 647857abb4
commit 9b6ccc4b31
1 changed files with 6 additions and 3 deletions
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9
sys/net/route.c
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@ -1,4 +1,4 @@
/* $NetBSD: route.c,v 1.223 2019/09/25 09:53:37 ozaki-r Exp $ */
/* $NetBSD: route.c,v 1.224 2019/09/30 10:22:14 knakahara Exp $ */
/*-
* Copyright (c) 1998, 2008 The NetBSD Foundation, Inc.
@ -97,7 +97,7 @@
#endif
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: route.c,v 1.223 2019/09/25 09:53:37 ozaki-r Exp $");
__KERNEL_RCSID(0, "$NetBSD: route.c,v 1.224 2019/09/30 10:22:14 knakahara Exp $");
#include <sys/param.h>
#ifdef RTFLUSH_DEBUG
@ -1400,8 +1400,11 @@ rt_update_get_ifa(const struct rt_addrinfo *info, const struct rtentry *rt,
*ifp = ifa->ifa_ifp;
if_acquire(*ifp, psref_ifp);
if (info->rti_info[RTAX_IFA] == NULL &&
info->rti_info[RTAX_GATEWAY] == NULL)
info->rti_info[RTAX_GATEWAY] == NULL) {
ifa_release(ifa, psref);
ifa = NULL;
goto next;
}
ifa_release(ifa, psref);
if (info->rti_info[RTAX_IFA] == NULL) {
/* route change <dst> <gw> -ifp <if> */