When locating the position of the IGTK PN in the key data, we also need to skip the KDE header, in addition to the keyid field. Signed-off-by: Mathy Vanhoef <Mathy.Vanhoef@xxxxxxxxxxxxxx> --- src/ap/wpa_auth.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/ap/wpa_auth.c b/src/ap/wpa_auth.c index 8dde1d0aa..e3fa23f9b 100644 --- a/src/ap/wpa_auth.c +++ b/src/ap/wpa_auth.c @@ -4684,7 +4684,7 @@ int wpa_auth_resend_m3(struct wpa_state_machine *sm, opos = pos; pos = ieee80211w_kde_add(sm, pos); if (pos - opos >= WPA_IGTK_KDE_PREFIX_LEN) { - opos += 2; /* skip keyid */ + opos += 2 + RSN_SELECTOR_LEN + 2; /* skip KDE header and keyid */ os_memset(opos, 0, 6); /* clear PN */ } #endif /* CONFIG_IEEE80211W */ @@ -4780,7 +4780,7 @@ int wpa_auth_resend_group_m1(struct wpa_state_machine *sm, opos = pos; pos = ieee80211w_kde_add(sm, pos); if (pos - opos >= WPA_IGTK_KDE_PREFIX_LEN) { - opos += 2; /* skip keyid */ + opos += 2 + RSN_SELECTOR_LEN + 2; /* skip KDE header and keyid */ os_memset(opos, 0, 6); /* clear PN */ } #endif /* CONFIG_IEEE80211W */ -- 2.16.2 _______________________________________________ Hostap mailing list Hostap@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/hostap