The following reply was made to PR kern/177451; it has been noted by GNATS.

From: PseudoCylon <moonlightak...@yahoo.ca>
To: bug-follo...@freebsd.org, dav...@freebsd.org
Cc:  
Subject: Re: kern/177451: [ieee80211] page fault in ieee80211_tx_mgt_timeout
Date: Fri, 29 Mar 2013 15:21:58 -0600

 http://fxr.watson.org/fxr/source/net80211/ieee80211_output.c?v=FREEBSD91#L2506
 enum ieee80211_state ostate = (enum ieee80211_state) arg;
 casting a pointer to an enum
 
 http://fxr.watson.org/fxr/source/net80211/ieee80211_output.c?v=FREEBSD91#L2519
 if (vap->iv_state == ostate)
 So that, this test is always false -> callout_reset() will never be
 called -> by the time the callout timer runs out, ni could be freed.
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