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

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 09 May 2022 13:53:21 UTC

Mike Karels <karels@freebsd.org> changed:

           What    |Removed                     |Added
              Flags|mfc-stable13?,              |mfc-stable12-
                   |mfc-stable12?               |

--- Comment #6 from Mike Karels <karels@freebsd.org> ---
(In reply to Jiahao LI from comment #4)

> hw.genet.tx_hdr_min does not exist in the Freebsd running in my development environment. 

Ah, then it is an older version of the driver; the sysctl was added there last
June.  The version without the sysctl would act as if the sysctl value was 0
for the IPv4 case.

Should be fixed in the version I just checked in.  Marking for MFC to 13, but
not 12; the driver is not in 12.

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