From owner-freebsd-bugs@freebsd.org Fri Sep 27 06:37:58 2019 Return-Path: Delivered-To: freebsd-bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 18382F7EAC for ; Fri, 27 Sep 2019 06:37:58 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (mailman.nyi.freebsd.org [IPv6:2610:1c1:1:606c::50:13]) by mx1.freebsd.org (Postfix) with ESMTP id 46fhts6yytz4Qr3 for ; Fri, 27 Sep 2019 06:37:57 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id ED707F7EAB; Fri, 27 Sep 2019 06:37:57 +0000 (UTC) Delivered-To: bugs@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id ED357F7EAA for ; Fri, 27 Sep 2019 06:37:57 +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) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46fhts6009z4Qr2 for ; Fri, 27 Sep 2019 06:37:57 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 94450CD29 for ; Fri, 27 Sep 2019 06:37:57 +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 x8R6bvto026685 for ; Fri, 27 Sep 2019 06:37:57 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x8R6bvo6026684 for bugs@FreeBSD.org; Fri, 27 Sep 2019 06:37:57 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: bugs@FreeBSD.org Subject: [Bug 240853] Any moderate I/O panics the kernel when MAC_BIBA + multilabel is enabled Date: Fri, 27 Sep 2019 06:37:56 +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: 12.0-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: realkay@mailbox.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: 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: 2.1.29 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Sep 2019 06:37:58 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D240853 Bug ID: 240853 Summary: Any moderate I/O panics the kernel when MAC_BIBA + multilabel is enabled Product: Base System Version: 12.0-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: realkay@mailbox.org /dev/vtbd0p2 on / (ufs, local, noatime, journaled soft-updates, multilabel) Any moderate I/O, such as running a find /, installing a package larger than some arbitrary (and changing) size, or even reloading a tmux session with a couple of windows and panes is enough to trigger this. cpuid =3D 0 time =3D 1569485155 KDB: stack backtrace: #0 0xffffffff80be78d7 at kdb_backtrace+0x67 #1 0xffffffff80b9b4b3 at vpanic+0x1a3 #2 0xffffffff80b9b303 at panic+0x43 #3 0xffffffff80e979f6 at softdep_deallocate_dependencies+0x76 #4 0xffffffff80c4a27f at brelse+0x16f #5 0xffffffff80c4e7fd at buf_recycle+0x2ad #6 0xffffffff80c48a3d at bufkva_reclaim+0x3d #7 0xffffffff80c01899 at vmem_xalloc+0x469 #8 0xffffffff80c013f1 at vmem_alloc+0x31 #9 0xffffffff80c4f805 at bufkva_alloc+0xa5 #10 0xffffffff80c4c429 at getnewbuf+0x319 #11 0xffffffff80c49944 at getblkx+0x484 #12 0xffffffff80c4c0f5 at getblk+0x15 #13 0xffffffff80e8b71c at ffs_balloc_ufs2+0xd1c #14 0xffffffff80ebb496 at ffs_close_ea+0x1b6 #15 0xffffffff811fc93e at VOP_SETEXTATTR_APV+0x7e #16 0xffffffff80c7d05e at vn_extattr_set+0x13e #17 0xffffffff826abbf6 at biba_vnode_create_extattr+0x126 Uptime: 40s Since 12.1-RELEASE is coming, I figured it would be a good time to report t= his. The presence of this bug makes MAC_BIBA unusable, which is a shame. --=20 You are receiving this mail because: You are the assignee for the bug.=