[Bug 227450] [patch] Should not all packets processed by gif_output be deleted, when an running instance of if_gif(4) is member of an instance of if_bridge(4)?

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From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 16 Jul 2025 17:04:13 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=227450

Koichiro Iwao <meta@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |---
                 CC|                            |ae@FreeBSD.org,
                   |                            |meta@FreeBSD.org
             Status|Closed                      |Open

--- Comment #3 from Koichiro Iwao <meta@FreeBSD.org> ---
Hi, I found this broke ethernet over IPv6 when I was testing a fix for bug
280736.

- https://reviews.freebsd.org/D51297

gif_output() may be called due to internal behavior of IPv6 stack when the
outer protocol of the tunnel is IPv6. So the kernel should not panic in such
cases. 

Proposed fix is here:

- https://reviews.freebsd.org/D51352

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