On Mon, 2011-01-03 at 00:10 +0200, Jussi Kivilinna wrote: > While doing stress testing on zd1211rw AP-mode I run into this problem > that I don't think has that much to do with zd1211rw: [snip] > Is key being used after freeing? It looks like it. Can you reproduce this fairly easily? I wonder if it's an RCU problem, we do key lookups under RCU but I see no grace period right now ... try the patch below, I'll look into it in more detail. johannes --- wireless-testing.orig/net/mac80211/key.c 2011-01-03 17:44:54.000000000 +0100 +++ wireless-testing/net/mac80211/key.c 2011-01-03 17:45:41.000000000 +0100 @@ -379,6 +379,8 @@ static void __ieee80211_key_destroy(stru if (!key) return; + synchronize_rcu(); + if (key->local) ieee80211_key_disable_hw_accel(key); -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
