diff options
Diffstat (limited to 'net/ceph')
| -rw-r--r-- | net/ceph/osdmap.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index df47871b8389..d70aaca4a45d 100644 --- a/net/ceph/osdmap.c +++ b/net/ceph/osdmap.c @@ -667,6 +667,9 @@ struct ceph_osdmap *osdmap_decode(void **p, void *end) ceph_decode_need(p, end, sizeof(u32) + sizeof(u64), bad); ceph_decode_copy(p, &pgid, sizeof(pgid)); n = ceph_decode_32(p); + err = -EINVAL; + if (n > (UINT_MAX - sizeof(*pg)) / sizeof(u32)) + goto bad; ceph_decode_need(p, end, n * sizeof(u32), bad); err = -ENOMEM; pg = kmalloc(sizeof(*pg) + n*sizeof(u32), GFP_NOFS); |