From nobody Sat Jun 19 14:09:37 2021 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 286EC11DF8BD for ; Sat, 19 Jun 2021 14:09:38 +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 4G6d2n4lZ0z3ljw for ; Sat, 19 Jun 2021 14:09:37 +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 6D261177BE for ; Sat, 19 Jun 2021 14:09:37 +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 15JE9bHX091703 for ; Sat, 19 Jun 2021 14:09:37 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 15JE9bEE091702 for net@FreeBSD.org; Sat, 19 Jun 2021 14:09:37 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 254015] Panic when using bridge interface on 13.0-BETA4 Date: Sat, 19 Jun 2021 14:09:37 +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: 13.0-STABLE X-Bugzilla-Keywords: crash, needs-qa, regression X-Bugzilla-Severity: Affects Some People 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? 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 X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D254015 --- Comment #21 from commit-hook@FreeBSD.org --- A commit in branch stable/13 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3Ded1acef3fe3053b418ce3e41036ccf249= 57253a4 commit ed1acef3fe3053b418ce3e41036ccf24957253a4 Author: Mark Johnston AuthorDate: 2021-06-16 13:46:56 +0000 Commit: Mark Johnston CommitDate: 2021-06-19 14:08:49 +0000 ipfw: Update the pfil mbuf pointer in ipfw_check_frame() ipfw_chk() might call m_pullup() and thus can change the mbuf chain head. In this case, the new chain head has to be returned to the pfil hook caller, otherwise the pfil hook caller is left with a dangling pointer. Note that this affects only the link-layer hooks installed when the net.link.ether.ipfw sysctl is set to 1. PR: 256439, 254015, 255069, 255104 Fixes: f355cb3e6 Reviewed by: ae Sponsored by: The FreeBSD Foundation (cherry picked from commit bc6a2267fffeafd3946637607a74cfd639398f9d) sys/netpfil/ipfw/ip_fw_pfil.c | 2 ++ 1 file changed, 2 insertions(+) --=20 You are receiving this mail because: You are the assignee for the bug. You are on the CC list for the bug.=