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bgpd: fix segfault with some show commands

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The following commands were causing bgpd to crash when vpnv4/vpnv6 static
routes are configured:

bgpd aborted: vtysh  -c "show ip bgp view all ipv4 vpn json"
bgpd aborted: vtysh  -c "show ip bgp view all ipv4 vpn"
bgpd aborted: vtysh  -c "show ip bgp view all ipv6 vpn json"
bgpd aborted: vtysh  -c "show ip bgp view all ipv6 vpn"
bgpd aborted: vtysh  -c "show ip bgp vrf all ipv4 vpn json"
bgpd aborted: vtysh  -c "show ip bgp vrf all ipv4 vpn"
bgpd aborted: vtysh  -c "show ip bgp vrf all ipv6 vpn json"
bgpd aborted: vtysh  -c "show ip bgp vrf all ipv6 vpn"
bgpd aborted: vtysh  -c "show bgp view all ipv4 vpn json"
bgpd aborted: vtysh  -c "show bgp view all ipv4 vpn"
bgpd aborted: vtysh  -c "show bgp view all ipv6 vpn json"
bgpd aborted: vtysh  -c "show bgp view all ipv6 vpn"
bgpd aborted: vtysh  -c "show bgp vrf all ipv4 vpn json"
bgpd aborted: vtysh  -c "show bgp vrf all ipv4 vpn"
bgpd aborted: vtysh  -c "show bgp vrf all ipv6 vpn json"
bgpd aborted: vtysh  -c "show bgp vrf all ipv6 vpn"

Problem found with the CLI fuzzer.

Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
This commit is contained in:
Renato Westphal 2017-05-30 08:30:57 -03:00 committed by Quentin Young
parent 406f99f81d
commit 33a57d94fa
1 changed files with 1 additions and 4 deletions
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5
bgpd/bgp_route.c
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@ -7852,7 +7852,6 @@ bgp_show_all_instances_routes_vty (struct vty *vty, afi_t afi, safi_t safi,
{ {
struct listnode *node, *nnode; struct listnode *node, *nnode;
struct bgp *bgp; struct bgp *bgp;
struct bgp_table *table;
int is_first = 1; int is_first = 1;
if (use_json) if (use_json)
@ -7878,9 +7877,7 @@ bgp_show_all_instances_routes_vty (struct vty *vty, afi_t afi, safi_t safi,
? "Default" : bgp->name, ? "Default" : bgp->name,
VTY_NEWLINE); VTY_NEWLINE);
} }
table = bgp->rib[afi][safi]; bgp_show (vty, bgp, afi, safi, bgp_show_type_normal, NULL, use_json);
bgp_show_table (vty, bgp, table,
bgp_show_type_normal, NULL, use_json);
} }