From nobody Tue Jun 07 07:01:52 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 1466B1BDAA01 for ; Tue, 7 Jun 2022 07:01:54 +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 4LHLrK4hdLz3rql for ; Tue, 7 Jun 2022 07:01:53 +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 591F015FE4 for ; Tue, 7 Jun 2022 07:01:53 +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 25771rqo048246 for ; Tue, 7 Jun 2022 07:01:53 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 25771rdo048245 for net@FreeBSD.org; Tue, 7 Jun 2022 07:01:53 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 263445] [tcp] Fatal trap 12: page fault while in kernel mode // supervisor read data, page not present // 13.1-RC3 Date: Tue, 07 Jun 2022 07:01:52 +0000 X-Bugzilla-Reason: AssignedTo 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: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: rscheff@freebsd.org X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: net@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status 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=1654585313; 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=QF0GqWLsgUCTiJkiKp2eo/W2bFvond73Y58yASnWiJY=; b=PvrllcWz+0nNrw5zxVim1pvPoajvmL4o2PkAWlz8C+dzzWrvU/gsLMDmIeK3dOIZaFv10y X9W/wM/dMDFoqWrGX0vn1mbj5ZqFfLfmBBYlT+v0Os5LHDOM+m0pzWNXRVqODKkdzpbGBV EuLNW81EelL+VQK7v5eSpaiDwrxOe91hYWVk90NJR9xHSYPf5Zy735Oy6lM5sBlW7lCLEs 2nPcGLXa2Rv0+wP24Ez1CfgTpluf8aNnPHfUCF9Wt9ZPHVpR6rLekmGI2J3WSHrr0RmAZD 08J2MQXy86hYhXEkSp/dtDMFJkb6JKX0gxMg5mmKvL5h8abceldka4xn6Pl9ew== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1654585313; a=rsa-sha256; cv=none; b=XloKwumtOJKSxNxSbg15IAj19LLk0O5yH6pb9vnDYjQBCcT7h2E1tmbXLGC50LfBMl2as4 f7N1WG1BBjrtuVz34o/RFPQMxwvPLuVJ5pLOoKIYJOobnM/kJ13ZX+WD1Dz8TZy3f2bbVF edCEbkjTxhg7zvgkommuWorEm8CtCunyXML6QdzzR2IynGSL++HxH/L2BTRL/iV5BuluJg 5wIiYCOElb/GwTkAGW8SsMh+oIhIzW3wp35ex5b8/eU4U57Gz+TiFSexDcDUBlmG9euX6x 1YpzuaD8rPkA4eu2BoCOwP8g10WgYG/R2oHSN/fyKnzk+4ZcdesHzZNT0O/81g== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D263445 Richard Scheffenegger changed: What |Removed |Added ---------------------------------------------------------------------------- Status|New |In Progress --- Comment #17 from Richard Scheffenegger --- While we don't yet understand how the TCPCB ends up in the peculiar state i= t is in when the panic happens, there appearts to be a symptomatic treatment by ignoring invalid SACK scoreboard state which however is in the approximate correct sequence space (thus no fully random memory contents). See https://reviews.freebsd.org/D35387 --=20 You are receiving this mail because: You are the assignee for the bug.=