Assert length of osd_state, osd_weight and osd_addr arrays. They should all have exactly max_osd elements after the call to osdmap_set_max_osd().
Signed-off-by: Ilya Dryomov <[email protected]> --- net/ceph/osdmap.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index ec06010657b3..19aca4d3c5dd 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -745,19 +745,19 @@ static int osdmap_decode(void **p, void *end, struct ceph_osdmap *map) if (err) goto bad; - /* osds */ + /* osd_state, osd_weight, osd_addrs->client_addr */ ceph_decode_need(p, end, 3*sizeof(u32) + map->max_osd*(1 + sizeof(*map->osd_weight) + sizeof(*map->osd_addr)), e_inval); - *p += 4; /* skip length field (should match max) */ + BUG_ON(ceph_decode_32(p) != map->max_osd); ceph_decode_copy(p, map->osd_state, map->max_osd); - *p += 4; /* skip length field (should match max) */ + BUG_ON(ceph_decode_32(p) != map->max_osd); for (i = 0; i < map->max_osd; i++) map->osd_weight[i] = ceph_decode_32(p); - *p += 4; /* skip length field (should match max) */ + BUG_ON(ceph_decode_32(p) != map->max_osd); ceph_decode_copy(p, map->osd_addr, map->max_osd*sizeof(*map->osd_addr)); for (i = 0; i < map->max_osd; i++) ceph_decode_addr(&map->osd_addr[i]); -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
