From nobody Sun Sep 25 10:06:04 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 4Mb1k46DpQz4cswL for ; Sun, 25 Sep 2022 10:06:04 +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 4Mb1k441XDz3XMX for ; Sun, 25 Sep 2022 10:06:04 +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 4Mb1k4334JzNvb for ; Sun, 25 Sep 2022 10:06:04 +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 28PA6444062554 for ; Sun, 25 Sep 2022 10:06:04 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 28PA64Qu062553 for net@FreeBSD.org; Sun, 25 Sep 2022 10:06:04 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 10:06:04 +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=1664100364; 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=Tl9UNOZuB6siRbV5sZytlfSO5Q9uGhvZo+Z9yZ4Nmds=; b=sOp182CjTT54/FUYdZORP7xed0AW5cilCknwwVeGSJq/TZz5mScgSkPsV92Aj16hscKwGB 0+HG0i+ZN6wixEMsTuaqpO0QysRx0jktcxurw8rAn/Ef8WAtJka5a9QbwDcD/Gb4r+9r7T Ja3tBkFJ1O2FFI46aYuqo/3I0rYut/JwZ8e9AbBhEfzq1tJ6NoTYeNgGfotSP3EC+umkVP P4+OkyZc7MhGwR4xulNASMYdVE+j/1aowIdDni2gvJ5nfbtJYJP3Ld8ncmhehUOA9CpynK ZFQsCWY9AFtI8oWYwWGxPTBQLoiBbtVvDzyUeK8vP2ynOzbUNAJcGNP1jm+02w== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1664100364; a=rsa-sha256; cv=none; b=TGTvox4pQNXyC6WW//vth9Pv8k7+eQyizmrSqnADHUIlDOMQJ6rYAYimPGnmcStMX6hWKU Bhk1aQWJyEK8H2HLQFh488xgA7SUP17RUCtwr4jfBCJ9Kbx+JKmfTlCS17Z0JUuAzObP1Q 3J7+i+BvgJSH758XItwHQL9GKGCHWdh/whNgR/EOTJxAy+S6S/1rRJnJ3uU3uveKyOVeUU rvBwJKmbEauaTcPpBBaIi1q5MalueUDoT5q1bZ8MObXfsEwKwwBLx3PRFVr4Crn2omRttU pwi56fA/4vENYxpldinbM3gB0knafW1vwpFwSIsmuM/nQuiyew1sfL+FF2WWhw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D264257 --- Comment #109 from commit-hook@FreeBSD.org --- A commit in branch stable/13 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D0612d3000b974f31de15c90c77bf43f12= 1fc8656 commit 0612d3000b974f31de15c90c77bf43f121fc8656 Author: Michael Tuexen AuthorDate: 2022-09-19 10:42:43 +0000 Commit: Richard Scheffenegger CommitDate: 2022-09-25 08:54:18 +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 (cherry picked from commit 6d9e911fbadf3b409802a211c1dae9b47cb5a2b8) 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.=