From nobody Tue Jun 29 20:24:20 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 746F5DBBA92 for ; Tue, 29 Jun 2021 20:24:21 +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 4GDwtY23Vpz3ssx for ; Tue, 29 Jun 2021 20:24:20 +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 9E34B1FABD for ; Tue, 29 Jun 2021 20:24:20 +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 15TKOKj3087433 for ; Tue, 29 Jun 2021 20:24:20 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 15TKOKHa087432 for net@FreeBSD.org; Tue, 29 Jun 2021 20:24:20 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: Tue, 29 Jun 2021 20:24:20 +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: 13.0-STABLE X-Bugzilla-Keywords: crash, regression X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: markj@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback+ maintainer-feedback? mfc-stable13+ mfc-stable12- mfc-stable11- 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 #26 from commit-hook@FreeBSD.org --- A commit in branch releng/13.0 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D4647d115ff849534c9d6712cc2da32509= 721e20e commit 4647d115ff849534c9d6712cc2da32509721e20e Author: Mark Johnston AuthorDate: 2021-06-16 13:46:56 +0000 Commit: Mark Johnston CommitDate: 2021-06-29 17:09:43 +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. Approved by: so Security: EN-21:21.ipfw PR: 256439, 254015, 255069, 255104 Fixes: f355cb3e6 Reviewed by: ae Sponsored by: The FreeBSD Foundation (cherry picked from commit bc6a2267fffeafd3946637607a74cfd639398f9d) (cherry picked from commit ed1acef3fe3053b418ce3e41036ccf24957253a4) sys/netpfil/ipfw/ip_fw_pfil.c | 2 ++ 1 file changed, 2 insertions(+) --=20 You are receiving this mail because: You are on the CC list for the bug.=