diff options
| author | Renato Westphal <renato@opensourcerouting.org> | 2017-05-03 23:49:50 -0300 |
|---|---|---|
| committer | Renato Westphal <renato@opensourcerouting.org> | 2017-05-04 14:39:58 -0300 |
| commit | 313605cb92d0d7815eb1f5d7057e455c94e91c96 (patch) | |
| tree | c1d9a93662bf1848321faf3807916d4f99e33155 /zebra/interface.c | |
| parent | 3c6f31c006e1584df847bbbcef64fdb4a38295ed (diff) | |
*: fix a bunch of segfaults detected by a CLI fuzzer
This patch fixes the following segfaults:
zebra aborted: vtysh -c "show ipv6 mroute"
zebra aborted: vtysh -c "configure terminal" -c "debug zebra kernel msgdump"
zebra aborted: vtysh -c "configure terminal" -c "interface eth99" -c "link-params" -c "no packet-loss"
zebra aborted: vtysh -c "configure terminal" -c "interface eth99" -c "link-params" -c "no metric"
zebra aborted: vtysh -c "configure terminal" -c "interface eth99" -c "link-params" -c "no ava-bw"
zebra aborted: vtysh -c "configure terminal" -c "interface eth99" -c "link-params" -c "no res-bw"
zebra aborted: vtysh -c "configure terminal" -c "interface eth99" -c "link-params" -c "no use-bw"
ospfd aborted: vtysh -c "configure terminal" -c "router ospf" -c "area 1.1.1.1 nssa"
ospfd aborted: vtysh -c "configure terminal" -c "router ospf" -c "area 4294967295 nssa"
pimd aborted: vtysh -c "show ip msdp sa 1.1.1.1"
pimd aborted: vtysh -c "configure terminal" -c "ip ssmpingd"
pimd aborted: vtysh -c "configure terminal" -c "no ip ssmpingd"
pimd aborted: vtysh -c "configure terminal" -c "no ip msdp mesh-group WORD source"
pimd aborted: vtysh -c "configure terminal" -c "interface eth99" -c "ip pim hello 180"
bgpd aborted: vtysh -c "show bgp l2vpn evpn rd 1:1"
bgpd aborted: vtysh -c "clear vnc nve un *"
bgpd aborted: vtysh -c "clear vnc nve un 1.1.1.1"
bgpd aborted: vtysh -c "clear vnc nve un 2001:db8::1"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 1.1.1.1 un 1.1.1.1 lifetime 4294967295"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 1.1.1.1 un 1.1.1.1 cost 255 lifetime 4294967295"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 1.1.1.1 un 1.1.1.1 cost 255"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 1.1.1.1 un 1.1.1.1"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 1.1.1.1 un 2001:db8::1 lifetime 4294967295"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 1.1.1.1 un 2001:db8::1 cost 255 lifetime 4294967295"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 1.1.1.1 un 2001:db8::1 cost 255"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 1.1.1.1 un 2001:db8::1"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 2001:db8::1 un 1.1.1.1 lifetime 4294967295"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 2001:db8::1 un 1.1.1.1 cost 255 lifetime 4294967295"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 2001:db8::1 un 1.1.1.1 cost 255"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 2001:db8::1 un 1.1.1.1"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 2001:db8::1 un 2001:db8::1 lifetime 4294967295"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 2001:db8::1 un 2001:db8::1 cost 255 lifetime 4294967295"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 2001:db8::1 un 2001:db8::1 cost 255"
bgpd aborted: vtysh -c "add vnc mac 11:11:11:11:11:11 virtual-network-identifier 4294967295 vn 2001:db8::1 un 2001:db8::1"
bgpd aborted: vtysh -c "configure terminal" -c "router bgp 1" -c "no vnc export bgp ipv4 prefix-list NAME"
bgpd aborted: vtysh -c "configure terminal" -c "router bgp 1" -c "no vnc export bgp ipv6 prefix-list NAME"
bgpd aborted: vtysh -c "configure terminal" -c "router bgp 1" -c "no vnc export bgp route-map NAME"
bgpd aborted: vtysh -c "configure terminal" -c "router bgp 1" -c "no vnc export zebra ipv4 prefix-list NAME"
bgpd aborted: vtysh -c "configure terminal" -c "router bgp 1" -c "no vnc export zebra ipv6 prefix-list NAME"
bgpd aborted: vtysh -c "configure terminal" -c "router bgp 1" -c "no vnc export zebra route-map NAME"
bgpd aborted: vtysh -c "configure terminal" -c "route-map RMAP permit 1" -c "no set ipv6 vpn next-hop"
bgpd aborted: vtysh -c "configure terminal" -c "route-map RMAP permit 1" -c "set vpnv4 next-hop"
bgpd aborted: vtysh -c "configure terminal" -c "route-map RMAP permit 1" -c "set vpnv6 next-hop"
bgpd aborted: vtysh -c "configure terminal" -c "router bgp" -c "address-family ipv6 vpn" -c "network 2001:db8::1/128 rd 1:1 tag WORD"
bgpd aborted: vtysh -c "configure terminal" -c "router bgp" -c "address-family vpnv6 unicast" -c "network 2001:db8::1/128 rd 1:1 tag WORD"
bgpd aborted: vtysh -c "configure terminal" -c "router bgp" -c "no neighbor WORD shutdown message MSG..."
bgpd aborted: vtysh -c "configure terminal" -c "router bgp" -c "neighbor WORD shutdown message MSG..."
More to come later.
Signed-off-by: Renato Westphal <renato@opensourcerouting.org>
Diffstat (limited to 'zebra/interface.c')
| -rw-r--r-- | zebra/interface.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/zebra/interface.c b/zebra/interface.c index b227409586..78ac0258ca 100644 --- a/zebra/interface.c +++ b/zebra/interface.c @@ -1706,6 +1706,8 @@ link_param_cmd_set_float (struct interface *ifp, float *field, static void link_param_cmd_unset (struct interface *ifp, uint32_t type) { + if (ifp->link_params == NULL) + return; /* Unset field */ UNSET_PARAM(ifp->link_params, type); |