From owner-freebsd-stable@freebsd.org Wed Dec 30 00:26:03 2015 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5C21EA55ECA for ; Wed, 30 Dec 2015 00:26:03 +0000 (UTC) (envelope-from oliver.pinter@hardenedbsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 3F8781D81 for ; Wed, 30 Dec 2015 00:26:03 +0000 (UTC) (envelope-from oliver.pinter@hardenedbsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 3AE26A55EC9; Wed, 30 Dec 2015 00:26:03 +0000 (UTC) Delivered-To: stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 20797A55EC8 for ; Wed, 30 Dec 2015 00:26:03 +0000 (UTC) (envelope-from oliver.pinter@hardenedbsd.org) Received: from mail-wm0-x22f.google.com (mail-wm0-x22f.google.com [IPv6:2a00:1450:400c:c09::22f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 402EE1D80 for ; Wed, 30 Dec 2015 00:26:02 +0000 (UTC) (envelope-from oliver.pinter@hardenedbsd.org) Received: by mail-wm0-x22f.google.com with SMTP id l65so46445104wmf.1 for ; Tue, 29 Dec 2015 16:26:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hardenedbsd-org.20150623.gappssmtp.com; s=20150623; h=mime-version:date:message-id:subject:from:to:content-type; bh=wX10jxneZ7iQg4+bDuOeHea2W9BBRe0fl3mFbnHmgtc=; b=DKeRu67Lf/QcPmH5opSUh7Unzg2nTEVbYqHeMgX4sRPSEgHxgfbpRKKAXrcwgy8WLP QSm6cjR9dofxwtQF6XqQfxOJ/3yzKOzk6Q6rEFQP+MC2kEPKCh+Q5gmw4oCzZlTuTiUk LOAvVcy6W/nT22mZbCXZp14FH4cn44Ut9XAlCv+iCuKhwkVm5sCPJILPtIcQAYiMniq5 96hGpgST1Ar0jhzXGaW0BOUIacFcsjZzwa+lhm3C51KxztReqgX3VvIPJN6vT0H5Nbky RUXxSCYlGeQaUdEEvE6QvkjPDRDPpuTRJWpdt8ufJmXvT3UuQIc6lax61iMU5Fjg3v2B RMOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to :content-type; bh=wX10jxneZ7iQg4+bDuOeHea2W9BBRe0fl3mFbnHmgtc=; b=I38QCSJdle3Ph0JFnro9pKKgZmvGhyPUwP2SmQ0ZRZ+0K91o2xx80vPwG2G3xVcQY7 +pzXqLt+uPaypbNM70Scg107nn35xCSXFRsLhSFk8fHY++5iAWRnKFnm0KPfzEH7vWZj OGz+KQDR/eOfw6ju0Tx9yRfbLLfGBhMcGEaLyV8ddNm8GTTpOJtqJc1rkVxQgKQ/sGsP 3Ren0Cu2TxRlXpffBQ5+bCwWetfwRmg1b9/yuj6oCQdAgKjJjdg2G2Iw/xvFOWQmaNi6 lK5ngdiq92ckswOJNk5QrvRMCcblwpFGN0iWEpKEmyo3BhP2zn+X+NjDDBUx8ioqSq/Y 5ZEg== X-Gm-Message-State: ALoCoQnr1i7tfVPKibbThsyQlNi0rRz/cH0ek2kpAO9OAlpXd/9jgSXlg8hZJG68wDMEYkY3NAuVGAWRvFfNUXqfdqxY7WgW1Pdvg0i/Y9jkbn7C/KacWtE= MIME-Version: 1.0 X-Received: by 10.28.178.206 with SMTP id b197mr65311343wmf.20.1451435160354; Tue, 29 Dec 2015 16:26:00 -0800 (PST) Received: by 10.194.85.167 with HTTP; Tue, 29 Dec 2015 16:26:00 -0800 (PST) Date: Wed, 30 Dec 2015 01:26:00 +0100 Message-ID: Subject: new LORs on 10-STABLE From: Oliver Pinter To: stable@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 30 Dec 2015 00:26:03 -0000 Hi All! I get these new LORs with a recent 10-STABLE (~10-stable from today) branch: LOR1: [12] lock order reversal: [12] 1st 0xfffff8000d1ea7c8 ufs (ufs) @ /usr/src/sys/kern/vfs_mount.c:1224 [12] 2nd 0xfffff8000d1eb240 devfs (devfs) @ /usr/src/sys/kern/vfs_subr.c:2192 [12] KDB: stack backtrace: [12] db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0465ef9170 [12] kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe0465ef9220 [12] witness_checkorder() at witness_checkorder+0xe12/frame 0xfffffe0465ef92b0 [12] __lockmgr_args() at __lockmgr_args+0x9ea/frame 0xfffffe0465ef93f0 [12] vop_stdlock() at vop_stdlock+0x3c/frame 0xfffffe0465ef9410 [12] VOP_LOCK1_APV() at VOP_LOCK1_APV+0xd9/frame 0xfffffe0465ef9440 [12] _vn_lock() at _vn_lock+0xaa/frame 0xfffffe0465ef94b0 [12] vget() at vget+0x67/frame 0xfffffe0465ef94f0 [12] devfs_allocv() at devfs_allocv+0xfd/frame 0xfffffe0465ef9540 [12] devfs_root() at devfs_root+0x43/frame 0xfffffe0465ef9570 [12] vflush() at vflush+0x78/frame 0xfffffe0465ef96c0 [12] devfs_unmount() at devfs_unmount+0x38/frame 0xfffffe0465ef96f0 [12] dounmount() at dounmount+0x524/frame 0xfffffe0465ef9770 [12] sys_unmount() at sys_unmount+0x3c6/frame 0xfffffe0465ef98a0 [12] amd64_syscall() at amd64_syscall+0x2a8/frame 0xfffffe0465ef99b0 [12] Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe0465ef99b0 [12] --- syscall (22, FreeBSD ELF64, sys_unmount), rip = 0x102e573755a, rsp = 0x62a395ff4318, rbp = 0x62a395ff4470 --- LOR2: [13] lock order reversal: [13] 1st 0xfffff8000d3feb78 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2192 [13] 2nd 0xfffffe03df2460d8 bufwait (bufwait) @ /usr/src/sys/ufs/ffs/ffs_vnops.c:262 [13] 3rd 0xfffff8000d33a5f0 ufs (ufs) @ /usr/src/sys/kern/vfs_subr.c:2192 [13] KDB: stack backtrace: [13] db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0465ed0b30 [13] kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe0465ed0be0 [13] witness_checkorder() at witness_checkorder+0xe12/frame 0xfffffe0465ed0c70 [13] __lockmgr_args() at __lockmgr_args+0x9ea/frame 0xfffffe0465ed0db0 [13] ffs_lock() at ffs_lock+0x84/frame 0xfffffe0465ed0e00 [13] VOP_LOCK1_APV() at VOP_LOCK1_APV+0xd9/frame 0xfffffe0465ed0e30 [13] _vn_lock() at _vn_lock+0xaa/frame 0xfffffe0465ed0ea0 [13] vget() at vget+0x67/frame 0xfffffe0465ed0ee0 [13] vfs_hash_get() at vfs_hash_get+0xe1/frame 0xfffffe0465ed0f30 [13] ffs_vgetf() at ffs_vgetf+0x40/frame 0xfffffe0465ed0fc0 [13] softdep_sync_buf() at softdep_sync_buf+0xac0/frame 0xfffffe0465ed10a0 [13] ffs_syncvnode() at ffs_syncvnode+0x286/frame 0xfffffe0465ed1120 [13] ffs_truncate() at ffs_truncate+0x6ad/frame 0xfffffe0465ed1300 [13] ufs_direnter() at ufs_direnter+0x81a/frame 0xfffffe0465ed13c0 [13] ufs_makeinode() at ufs_makeinode+0x576/frame 0xfffffe0465ed1570 [13] ufs_create() at ufs_create+0x2d/frame 0xfffffe0465ed1590 [13] VOP_CREATE_APV() at VOP_CREATE_APV+0xcb/frame 0xfffffe0465ed15c0 [13] vn_open_cred() at vn_open_cred+0x2c3/frame 0xfffffe0465ed1720 [13] kern_openat() at kern_openat+0x26d/frame 0xfffffe0465ed18a0 [13] amd64_syscall() at amd64_syscall+0x2a8/frame 0xfffffe0465ed19b0 [13] Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe0465ed19b0 [13] --- syscall (499, FreeBSD ELF64, sys_openat), rip = 0x29173acbbaa, rsp = 0x6a7c0c683d08, rbp = 0x6a7c0c683de0 ---