[Bug 263445] [tcp] Fatal trap 12: page fault while in kernel mode // supervisor read data, page not present // 13.1-RC3

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 07 Jun 2022 07:41:02 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=263445

--- Comment #19 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=91d6afe6e2a912fd5059fc11dbeffc85474897af

commit 91d6afe6e2a912fd5059fc11dbeffc85474897af
Author:     Richard Scheffenegger <rscheff@FreeBSD.org>
AuthorDate: 2022-06-07 07:07:09 +0000
Commit:     Richard Scheffenegger <rscheff@FreeBSD.org>
CommitDate: 2022-06-07 07:38:16 +0000

    tcp: Sanity check of SACK holes on retransmissions

    Adding a few KASSERT() to validate sanity of sack holes, and
    bail out if sack hole is inconsistent to avoid panicing non-invariant
builds.

    Reviewed By:    hselasky, glebius
    PR:             263445
    MFC after:      1 week
    Sponsored by:   NetApp, Inc.
    Differential Revision:  https://reviews.freebsd.org/D35387

 sys/netinet/tcp_sack.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

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