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fix crash while set gateway6.

This commit is contained in:
fengbojiang 2022-09-01 16:33:39 +08:00
parent 9208ea7922
commit 8bff657153
1 changed files with 11 additions and 6 deletions
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17
lib/ff_veth.c
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@ -335,7 +335,7 @@ ff_mbuf_get(void *p, void *m, void *data, uint16_t len)
struct mbuf *mb = m_get(M_NOWAIT, MT_DATA);
if (mb == NULL) {
return NULL;
return NULL;
}
m_extadd(mb, data, len, ff_mbuf_ext_free, m, NULL, 0, EXT_DISPOSABLE);
@ -518,7 +518,7 @@ ff_veth_setaddr6(struct ff_veth_softc *sc)
static int
ff_veth_set_gateway6(struct ff_veth_softc *sc)
{
struct sockaddr_in6 gw;
struct sockaddr_in6 gw, dst, nm;;
struct rt_addrinfo info;
struct rib_cmd_info rci;
@ -526,13 +526,18 @@ ff_veth_set_gateway6(struct ff_veth_softc *sc)
info.rti_flags = RTF_GATEWAY;
bzero(&gw, sizeof(gw));
bzero(&dst, sizeof(dst));
bzero(&nm, sizeof(nm));
gw.sin6_len = sizeof(struct sockaddr_in6);
gw.sin6_family = AF_INET6;
gw.sin6_len = dst.sin6_len = nm.sin6_len = sizeof(struct sockaddr_in6);
gw.sin6_family = dst.sin6_family = nm.sin6_family = AF_INET6;
gw.sin6_addr = sc->gateway6;
//dst.sin6_addr = nm.sin6_addr = 0;
info.rti_info[RTAX_GATEWAY] = (struct sockaddr *)&gw;
info.rti_info[RTAX_DST] = (struct sockaddr *)&dst;
info.rti_info[RTAX_NETMASK] = (struct sockaddr *)&nm;
return rib_action(RT_DEFAULT_FIB, RTM_ADD, &info, &rci);
}
@ -725,7 +730,7 @@ ff_veth_softc_to_hostc(void *softc)
/********************
* get next mbuf's addr, current mbuf's data and datalen.
*
*
********************/
int ff_next_mbuf(void **mbuf_bsd, void **data, unsigned *len)
{
@ -757,7 +762,7 @@ void* ff_rte_frm_extcl(void* mbuf)
bsd_mbuf->m_ext.ext_type == EXT_DISPOSABLE && bsd_mbuf->m_ext.ext_free == ff_mbuf_ext_free ) {
return bsd_mbuf->m_ext.ext_arg1;
}
else
else
return NULL;
}