[Bug 260393] [tcp] Page Fault tcp_output/tcp_input

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=260393

--- Comment #98 from commit-hook@FreeBSD.org ---
A commit in branch stable/12 references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=3651c4f42285644938e2f5bc924ab8c7ed857f83

commit 3651c4f42285644938e2f5bc924ab8c7ed857f83
Author:     Richard Scheffenegger <rscheff@FreeBSD.org>
AuthorDate: 2022-09-22 10:55:25 +0000
Commit:     Richard Scheffenegger <rscheff@FreeBSD.org>
CommitDate: 2022-09-25 08:52:56 +0000

    tcp: fix cwnd restricted SACK retransmission loop

    While doing the initial SACK retransmission segment while heavily cwnd
    constrained, tcp_ouput can erroneously send out the entire sendbuffer
    again. This may happen after an retransmission timeout, which resets
    snd_nxt to snd_una while the SACK scoreboard is still populated.

    Reviewed By:            tuexen, #transport
    PR:                     264257
    PR:                     263445
    PR:                     260393
    MFC after:              3 days
    Sponsored by:           NetApp, Inc.
    Differential Revision:  https://reviews.freebsd.org/D36637

    (cherry picked from commit a743fc8826fa348b09d219632594c537f8e5690e)

 sys/netinet/tcp_output.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

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