[Bug 264257] [tcp] Panic: Fatal trap 12: page fault while in kernel mode (if_io_tqg_4) - m_copydata ... at /usr/src/sys/kern/uipc_mbuf.c:659

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From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 21 Jun 2022 08:42:56 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264257

--- Comment #71 from Richard Scheffenegger <rscheff@freebsd.org> ---
Created attachment 234833
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=234833&action=edit
symptomatic logging patch

This patch symptomatically addresses when snd_max grows beyond the FIN bit,
without panicing. Also, a few tidbits of data get logged to dmesg.

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