From nobody Thu Feb 2 01:09:25 2023 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 4P6gft353Yz3cn5G for ; Thu, 2 Feb 2023 01:09:26 +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 4P6gft16f1z3nvH for ; Thu, 2 Feb 2023 01:09:26 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1675300166; 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=x750AOBEQ3Eo3Odq/aRTKlSOziAyAYa57Yw7gEzdkcI=; b=n9Gmc4iukeO+pudBDYnN+us2ZUH3UR1oA/jDYKI3k9r2G0zPZVMfTTb7v6QiBGFsojD071 PPpZWxv4eumjRzQ7KeeogCnxf6AKRaPC3VEUU4jrtKyBm6XN/7SBMulaK37nRUxbnSEIk1 9vk3vp2Kal5O6Op5Ct/oNq7oP0+BXYdEJMmFDYS93gwDM9Eoz1I5mmDucmHZQuD3tnvwWU BLjTuRZsFzAgEJsMP2gVvu8hP+Wo7EN+gZacrdIBGiZ85VgNncMDggkwnG6K2DOWY2m+yv Jqp/sx0kbVaD44JlpwfVHHjrw4Q6EOjs9G0pG9QRMMX4MtUShZEIDyFw7WfOyQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1675300166; a=rsa-sha256; cv=none; b=HO8qE0JAcAShqfjMoHcqOngnHMeTKBoMzi2huh24UJdz/iaSA7w47et+fMPFJD2lGXS3r3 +2Tjnj3fxjtqmmGiMpCOZs7hYgffUO6FuUZ99gal1ozRxAxI5DwskIiI2enK2tuIrqYA0B my60UaOLqPVGIcYYmtLVp0jHS++IQ31r/KQTitAQD0Nc6QVm9afFHhCHgZqsuF140Z2RYZ rcpi9+wKwLu/FPBGeZTvC9lYk5IGoDl0QdyC9+oAhcIEj/ESODYG38clO+0doBdVJSoRHe cpssDGGnsYPE1MQ+RyjhTIrvc2fWkeydOyk+jo7P07stEO1PLR7fsQmyVKt5sA== 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 4P6gft0C8Mzbdw for ; Thu, 2 Feb 2023 01:09:26 +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 31219PFC052474 for ; Thu, 2 Feb 2023 01:09:25 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 31219POw052473 for net@FreeBSD.org; Thu, 2 Feb 2023 01:09:25 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 266442] kernel page fault on packet with broken lengths if ipfilter is loaded Date: Thu, 02 Feb 2023 01:09:25 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: cy@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: cy@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created 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 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D266442 --- Comment #3 from Cy Schubert --- Created attachment 239852 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D239852&action= =3Dedit Notify pfil of dropped mangled packet Can you try this patch, please. Though it fixes the problem the final patch= may return a different return code or may increment a counter. For now it avoids the panic. --=20 You are receiving this mail because: You are on the CC list for the bug.=