From nobody Sun Sep 25 10:05:41 2022 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Mb1jf0Hv3z4ct11 for ; Sun, 25 Sep 2022 10:05:42 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Mb1jd6PDNz3WLV for ; Sun, 25 Sep 2022 10:05:41 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4Mb1jd5TwYzNmF for ; Sun, 25 Sep 2022 10:05:41 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 28PA5fMg061572 for ; Sun, 25 Sep 2022 10:05:41 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 28PA5fp8061571 for net@FreeBSD.org; Sun, 25 Sep 2022 10:05:41 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [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 Date: Sun, 25 Sep 2022 10:05:41 +0000 X-Bugzilla-Reason: AssignedTo CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 13.1-RELEASE X-Bugzilla-Keywords: crash, needs-qa X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback? maintainer-feedback? maintainer-feedback- maintainer-feedback? mfc-stable13? X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1664100341; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EkjYrv/PMREXCTIzAMHDZPwptyI9CIooEmtpjuhg+Gs=; b=hR1wbENcd1ukpLpwl1kpaBskhkRIH0dI8bSl+yyS/Mj69k8JoNEYpwFMn3st5c43nk6E7c SinQcxwZZV/HQ3PTNCwC1z8+NDjFiUgCMQhmrrGhrdel29nXaYq8xLQh26NqcXCjisVYAY 15u9M+CnX4dmQPfvMqdlZKo/GjZXfuW3++jFKnTw5BJoCqtiZaf+wv3pPD1pZNad+AxQa0 Cq5WAhNq7x3VBXZaGMf3PC+zBIjutLx49SeEMyx5ORG5b92oiXUNnKZ0nCKSiXpIEv7sQR KI0qz3SyyNsKAM7kXtUlUxBDFGydmXCJxFRxaebOx62tau+BvbSp4ks0lVhLYw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1664100341; a=rsa-sha256; cv=none; b=tUuBbko+yBoEUjC/ssgT7MPGdq6VD2qN4UY51jX5AwBLGyS8Ax679fKbAM0JgrAEUqJh1H CBaZhj0kfiGdrjI9T3XnYs1nQNRESJR9vRFEgB8kzMZ5cja1C7nkP8r79ctZResaSK3xIM 7Kup8gLn6VdtvvXQXaxn/uTtx9ZQOkoJpCjPR80QHBhJS8XS1gR40wwWRpl+UOKCQ/fXZD QO8LKouXaitQpzcapuV/O5tIX1h4HdaRvsBc4/phXIO0jdTpPwVY3yAmuZfm1oeyKjbYc9 uGJDq7qYZoM855p6/Y5qeRtgSabdSPj+zGMWK5RsSuz4tCGxerpEEzcEoWoHog== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D264257 --- Comment #104 from commit-hook@FreeBSD.org --- A commit in branch stable/12 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D3651c4f42285644938e2f5bc924ab8c7e= d857f83 commit 3651c4f42285644938e2f5bc924ab8c7ed857f83 Author: Richard Scheffenegger AuthorDate: 2022-09-22 10:55:25 +0000 Commit: Richard Scheffenegger 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(-) --=20 You are receiving this mail because: You are the assignee for the bug. You are on the CC list for the bug.=