* Re: iwlwifi WPA-TKIP crypto failure after group rekeying [not found] ` <1330333354.3483.6.camel@jlt3.sipsolutions.net> @ 2012-03-05 4:53 ` Jonathan Nieder 2012-03-05 6:52 ` Johannes Berg 0 siblings, 1 reply; 2+ messages in thread From: Jonathan Nieder @ 2012-03-05 4:53 UTC (permalink / raw) To: John W. Linville Cc: Johannes Berg, 651199, Ben Hutchings, Wey-Yi Guy, Intel Linux Wireless, linux-wireless, netdev, linux-kernel, Andreas Gustafsson, Marco d'Itri, Gabriel Kerneis, Shawn Thompson, Linus Torvalds Hi, Johannes Berg wrote: > On Mon, 2012-02-27 at 05:33 +0000, Ben Hutchings wrote: >> To summarise, a WPA-TKIP managed connection stops passing traffic and >> the kernel log shows the message "WPA: Group rekeying". This apparently >> doesn't happen if the connection is in heavy use at the time or with >> module parameter swcrypto=1. WPA2 is not affected either. > > I think this is due to my patch "iwlagn: rewrite HW crypto" which > accidentally broke key *removal* (of all things), which causes issues > when the first GTK is removed on the second rekeying. > > This patch > [...]h=5dcbf480473f6c3f06ad2426b7517038a2a18911 > > should fix it. Wey has sent it to John [...] > it's also marked for stable. Shawn Thompson (cc-ed) tested the patch against 3.2.9 and 3.3-rc6 and found it to work[1]. What can interested people do to help usher this into mainline? (To recap, this was a regression introduced between 3.0 and 3.1, presumably by v3.1-rc1~24^2~10^2^2~37.) Thanks, Jonathan [1] http://bugs.debian.org/651199#147 ^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: iwlwifi WPA-TKIP crypto failure after group rekeying 2012-03-05 4:53 ` iwlwifi WPA-TKIP crypto failure after group rekeying Jonathan Nieder @ 2012-03-05 6:52 ` Johannes Berg 0 siblings, 0 replies; 2+ messages in thread From: Johannes Berg @ 2012-03-05 6:52 UTC (permalink / raw) To: Jonathan Nieder Cc: John W. Linville, 651199, Ben Hutchings, Wey-Yi Guy, Intel Linux Wireless, linux-wireless, netdev, linux-kernel, Andreas Gustafsson, Marco d'Itri, Gabriel Kerneis, Shawn Thompson, Linus Torvalds Hi, > >> To summarise, a WPA-TKIP managed connection stops passing traffic and > >> the kernel log shows the message "WPA: Group rekeying". This apparently > >> doesn't happen if the connection is in heavy use at the time or with > >> module parameter swcrypto=1. WPA2 is not affected either. > > > > I think this is due to my patch "iwlagn: rewrite HW crypto" which > > accidentally broke key *removal* (of all things), which causes issues > > when the first GTK is removed on the second rekeying. > > > > This patch > > [...]h=5dcbf480473f6c3f06ad2426b7517038a2a18911 > > > > should fix it. Wey has sent it to John > [...] > > it's also marked for stable. > > Shawn Thompson (cc-ed) tested the patch against 3.2.9 and 3.3-rc6 and > found it to work[1]. What can interested people do to help usher this > into mainline? Great, thanks for testing. The patch is already on the way into mainline with a Cc:stable tag, so I don't think there's anything to do at this point. johannes ^ permalink raw reply [flat|nested] 2+ messages in thread
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[not found] ` <1330333354.3483.6.camel@jlt3.sipsolutions.net>
2012-03-05 4:53 ` iwlwifi WPA-TKIP crypto failure after group rekeying Jonathan Nieder
2012-03-05 6:52 ` Johannes Berg
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