On Mon, 2011-01-03 at 20:11 +0200, Jussi Kivilinna wrote: > Quoting Johannes Berg <johannes@xxxxxxxxxxxxxxxx>: > > > > > 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. > > > > I have been running tests past two weeks and this came up once. I have > been running hostapd with wpa_group_rekey=30 and wpa_ptk_rekey=60 and > doing 'nc < /dev/zero > /dev/null' at both ends and 'ping -f'. When > this crash happened other end was rndis_wlan. I'll try reproducing, > but doubt it will. Alright, thanks. In the meantime, I dug through the code and history and saw that there was a synchronize_rcu that I accidentally removed, so I'll just send out the patch with more commentary. johannes -- 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
