From owner-freebsd-bugs@freebsd.org Fri Feb 9 21:37:17 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 93EF8F04298 for ; Fri, 9 Feb 2018 21:37:17 +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 2B1A37AC07 for ; Fri, 9 Feb 2018 21:37:17 +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 5D767205FF for ; Fri, 9 Feb 2018 21:37:16 +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 w19LbGpV037493 for ; Fri, 9 Feb 2018 21:37:16 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id w19LbGOw037492 for freebsd-bugs@FreeBSD.org; Fri, 9 Feb 2018 21:37:16 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 192923] Lock order reversal in vfs_bio.c bufwait Date: Fri, 09 Feb 2018 21:37:12 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed 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: cc 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 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, 09 Feb 2018 21:37:17 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D192923 vidwer+fbsdbugs@gmail.com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |vidwer+fbsdbugs@gmail.com --- Comment #4 from vidwer+fbsdbugs@gmail.com --- On 12.0-CURRENT r329060. booting from freebsd-ufs+GPT: lock order reversal: 1st 0xfffffe0001651cc0 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:3566 2nd 0xfffff800b8b07400 dirhash (dirhash) @ /usr/src/sys/ufs/ufs/ufs_dirhash.c:289 stack backtrace: #0 0xffffffff80b2dbf3 at witness_debugger+0x73 #1 0xffffffff80b2da74 at witness_checkorder+0xe34 #2 0xffffffff80ad1ac8 at _sx_xlock+0x68 #3 0xffffffff80dca40d at ufsdirhash_add+0x3d #4 0xffffffff80dcd2df at ufs_direnter+0x49f #5 0xffffffff80dd4a4e at ufs_rename+0x111e #6 0xffffffff810fcf41 at VOP_RENAME_APV+0xe1 #7 0xffffffff80ba5f8a at kern_renameat+0x3ca #8 0xffffffff822215d9 at filemon_wrapper_rename+0x19 #9 0xffffffff80f7ec2b at amd64_syscall+0x79b #10 0xffffffff80f59ffd at fast_syscall_common+0x101 --=20 You are receiving this mail because: You are the assignee for the bug.=