[Bug 263505] vlan on wlan kernel panic
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Date: Sun, 24 Apr 2022 15:17:32 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263505
Robert Wing <rew@FreeBSD.org> changed:
What |Removed |Added
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CC| |rew@FreeBSD.org
--- Comment #1 from Robert Wing <rew@FreeBSD.org> ---
Created attachment 233451
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=233451&action=edit
ifconfig vlan fix
The vlan driver is calling ieee80211_output() with the wrong ifnet context and
dereferencing a bad pointer.
It looks like the passed in if_softc is pointing to a struct ifvlan instead of
the expected struct ieee80211_vap
Looking at vlan_output(), I wonder if the parents ifnet context should be used
when calling if_output()?
I've attached a patch to show what I mean.
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