From owner-freebsd-bugs@freebsd.org Fri Jan 5 05:01:59 2018 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 43B35EB199F for ; Fri, 5 Jan 2018 05:01:59 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 2CE057565D for ; Fri, 5 Jan 2018 05:01:59 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id w0551xIo055195 for ; Fri, 5 Jan 2018 05:01:59 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w0551xu8055179 for freebsd-bugs@FreeBSD.org; Fri, 5 Jan 2018 05:01:59 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: freebsd-bugs@FreeBSD.org Subject: [Bug 224922] ip_reass should reset M_PKTHDR bit of fragmented packet for NIC which can produce !WRITEABLE mbuf Date: Fri, 05 Jan 2018 05:01:59 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new 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 Only Me X-Bugzilla-Who: harsh@chelsio.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Jan 2018 05:01:59 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D224922 Bug ID: 224922 Summary: ip_reass should reset M_PKTHDR bit of fragmented packet for NIC which can produce !WRITEABLE mbuf Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: harsh@chelsio.com m_unshare() panic in IPSec transport mode when try to ping with size 6000. panic: m_unshare: m0 0xfffff80020f82600, m 0xfffff8005d054100 has M_PKTHDR cpuid =3D 15 time =3D 1495578455 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2c/frame 0xfffffe044e9bb= 890 kdb_backtrace() at kdb_backtrace+0x53/frame 0xfffffe044e9bb960 vpanic() at vpanic+0x269/frame 0xfffffe044e9bba30 kassert_panic() at kassert_panic+0xc7/frame 0xfffffe044e9bbac0 m_unshare() at m_unshare+0x578/frame 0xfffffe044e9bbbc0 esp_output() at esp_output+0x44c/frame 0xfffffe044e9bbe40 ipsec4_perform_request() at ipsec4_perform_request+0x5df/frame 0xfffffe044e9bbff0 Refer below mail Chain for more details and possible solution https://lists.freebsd.org/pipermail/freebsd-net/2017-December/049490.html --=20 You are receiving this mail because: You are the assignee for the bug.=