[Bug 275616] bwn driver causes kernel panic after connect

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 10 Dec 2023 22:40:57 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275616

--- Comment #17 from Mark Johnston <markj@FreeBSD.org> ---
(In reply to Frank Hilgendorf from comment #16)
Right, so here m_data is 0xfffffe006f8cb8fc, which is 4 bytes before the end of
the buffer, but m_len is 8, which can't be right.  ieee80211_encap() is
assuming that ieee80211_mbuf_adjust() returns an mbuf with at least
sizeof(ether_header) byte of space, and that assumption is false now. 
Hopefully Bjoern can comment on how this should be solved.

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