[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

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 19 Sep 2022 10:50:30 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264257

--- Comment #94 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=6d9e911fbadf3b409802a211c1dae9b47cb5a2b8

commit 6d9e911fbadf3b409802a211c1dae9b47cb5a2b8
Author:     Michael Tuexen <tuexen@FreeBSD.org>
AuthorDate: 2022-09-19 10:42:43 +0000
Commit:     Michael Tuexen <tuexen@FreeBSD.org>
CommitDate: 2022-09-19 10:49:31 +0000

    tcp: fix computation of offset

    Only update the offset if actually retransmitting from the
    scoreboard. If not done correctly, this may result in
    trying to (re)-transmit data not being being in the socket
    buffe and therefore resulting in a panic.

    PR:                     264257
    PR:                     263445
    PR:                     260393
    Reviewed by:            rscheff@
    MFC after:              3 days
    Sponsored by:           Netflix, Inc.
    Differential Revision:  https://reviews.freebsd.org/D36626

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

-- 
You are receiving this mail because:
You are on the CC list for the bug.
You are the assignee for the bug.