diff options
author | fenner <fenner@FreeBSD.org> | 1996-03-29 08:02:30 +0000 |
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committer | fenner <fenner@FreeBSD.org> | 1996-03-29 08:02:30 +0000 |
commit | fe678071c2465dbd3005cabaacd14ecf0be1f06d (patch) | |
tree | ff00eef1f489f3902eb4542a7c37e8c5996465f2 /sys/net/route.c | |
parent | bcaf3321ab5fccd7bef348ed0d5e7572bcc65432 (diff) | |
download | FreeBSD-src-fe678071c2465dbd3005cabaacd14ecf0be1f06d.zip FreeBSD-src-fe678071c2465dbd3005cabaacd14ecf0be1f06d.tar.gz |
Eliminate panic("rtfree") caused by double-freeing the route
when rt == rt->rt_gwroute . rt == rt->gwroute shouldn't happen
in the first place, but that's another problem.
(try "route add -host <hostonmynet> <hostonmynet>; ping <hostonmynet>;
route delete <hostonmynet>")
Diffstat (limited to 'sys/net/route.c')
-rw-r--r-- | sys/net/route.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/sys/net/route.c b/sys/net/route.c index ecce455..a873953 100644 --- a/sys/net/route.c +++ b/sys/net/route.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)route.c 8.2 (Berkeley) 11/15/93 - * $Id: route.c,v 1.31 1996/03/02 18:24:08 peter Exp $ + * $Id: route.c,v 1.32 1996/03/11 15:13:05 davidg Exp $ */ #include "opt_mrouting.h" @@ -406,6 +406,11 @@ rtrequest(req, dst, gateway, netmask, flags, ret_nrt) rt_fixdelete, rt); } + if (rt->rt_gwroute) { + rt = rt->rt_gwroute; RTFREE(rt); + (rt = (struct rtentry *)rn)->rt_gwroute = 0; + } + /* * NB: RTF_UP must be set during the search above, * because we might delete the last ref, causing @@ -413,10 +418,6 @@ rtrequest(req, dst, gateway, netmask, flags, ret_nrt) */ rt->rt_flags &= ~RTF_UP; - if (rt->rt_gwroute) { - rt = rt->rt_gwroute; RTFREE(rt); - (rt = (struct rtentry *)rn)->rt_gwroute = 0; - } if ((ifa = rt->rt_ifa) && ifa->ifa_rtrequest) ifa->ifa_rtrequest(RTM_DELETE, rt, SA(0)); rttrash++; |