From owner-freebsd-bugs@freebsd.org Thu Feb 15 16:40:29 2018 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id BAEE5F06424 for ; Thu, 15 Feb 2018 16:40:29 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 56FEE811C6 for ; Thu, 15 Feb 2018 16:40:29 +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 mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id 88F3121EE7 for ; Thu, 15 Feb 2018 16:40:28 +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 w1FGeSV0023168 for ; Thu, 15 Feb 2018 16:40:28 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w1FGeSjO023167 for freebsd-bugs@FreeBSD.org; Thu, 15 Feb 2018 16:40:28 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 225923] ZFS lock order reversal in vfs_subr.c:2157 vfs_subr.c:2607 Date: Thu, 15 Feb 2018 16:40:28 +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: vidwer+fbsdbugs@gmail.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: Thu, 15 Feb 2018 16:40:29 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D225923 Bug ID: 225923 Summary: ZFS lock order reversal in vfs_subr.c:2157 vfs_subr.c:2607 Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: freebsd-bugs@FreeBSD.org Reporter: vidwer+fbsdbugs@gmail.com build: 12.0-CURRENT r329245 hardware: amd64 lock order reversal: 1st 0xfffff800098945f0 syncer (syncer) @ /usr/src/sys/kern/vfs_subr.c:2157 2nd 0xfffff80025048240 zfs (zfs) @ /usr/src/sys/kern/vfs_subr.c:2607 stack backtrace: #0 0xffffffff80b2e403 at witness_debugger+0x73 #1 0xffffffff80b2e284 at witness_checkorder+0xe34 #2 0xffffffff80a9e4d1 at lockmgr_lock_fast_path+0x1b1 #3 0xffffffff810fdc09 at VOP_LOCK1_APV+0xd9 #4 0xffffffff80ba99b6 at _vn_lock+0x66 #5 0xffffffff80b9834f at vget+0x7f #6 0xffffffff80b9a3e6 at vfs_msync+0xa6 #7 0xffffffff80b9f0c6 at sync_fsync+0xc6 #8 0xffffffff810fcb79 at VOP_FSYNC_APV+0xd9 #9 0xffffffff80b9cf34 at sched_sync+0x284 #10 0xffffffff80a89ec4 at fork_exit+0x84 #11 0xffffffff80f5acde at fork_trampoline+0xe --=20 You are receiving this mail because: You are the assignee for the bug.=