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Diffstat (limited to 'net/xfrm/xfrm_user.c')
-rw-r--r--net/xfrm/xfrm_user.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 6a8da81..d5e1e0b 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -26,6 +26,7 @@
#include <net/sock.h>
#include <net/xfrm.h>
#include <net/netlink.h>
+#include <net/ah.h>
#include <asm/uaccess.h>
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
#include <linux/in6.h>
@@ -302,7 +303,8 @@ static int attach_auth_trunc(struct xfrm_algo_auth **algpp, u8 *props,
algo = xfrm_aalg_get_byname(ualg->alg_name, 1);
if (!algo)
return -ENOSYS;
- if (ualg->alg_trunc_len > algo->uinfo.auth.icv_fullbits)
+ if ((ualg->alg_trunc_len / 8) > MAX_AH_AUTH_LEN ||
+ ualg->alg_trunc_len > algo->uinfo.auth.icv_fullbits)
return -EINVAL;
*props = algo->desc.sadb_alg_id;
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