[Bug 266442] kernel page fault on packet with broken lengths if ipfilter is loaded

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From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 02 Feb 2023 01:09:25 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266442

--- Comment #3 from Cy Schubert <cy@FreeBSD.org> ---
Created attachment 239852
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=239852&action=edit
Notify pfil of dropped mangled packet

Can you try this patch, please. Though it fixes the problem the final patch may
return a different return code or may increment a counter. For now it avoids
the panic.

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