Messages in this thread Patch in this message | | | From | Sowmini Varadhan <> | Subject | [PATCH net-next 2/2] xfrm: Fix unaligned access in xfrm_notify_sa() for DELSA | Date | Mon, 19 Oct 2015 17:23:29 -0400 |
| |
On sparc, deleting established SAs (e.g., by restarting ipsec at the peer) results in unaligned access messages via xfrm_del_sa -> km_state_notify -> xfrm_send_state_notify(). Use an aligned pointer to xfrm_usersa_info for this case.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> --- net/xfrm/xfrm_user.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index a8de9e3..158ef4a 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -2659,7 +2659,7 @@ static int xfrm_notify_sa(struct xfrm_state *x, const struct km_event *c) if (attr == NULL) goto out_free_skb; - p = nla_data(attr); + p = PTR_ALIGN(nla_data(attr), __alignof__(*p)); } err = copy_to_user_state_extra(x, p, skb); if (err) -- 1.7.1
| |