[Bug 263824] genet(4): Driver interface may overwrite memory in a consecutive memory copy operations when parsing TX packet

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From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 07 May 2022 01:36:07 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263824

--- Comment #2 from Jiahao LI <jiahali@blackberry.com> ---
(In reply to Mike Karels from comment #1)
Yes, exactly. The link-layer header will be overwritten by the network header
if they are located in two consecutive mbufs. And the "statusblock" is
prepended before the link-layer header in the same mbuf.

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