From owner-svn-src-head@freebsd.org Tue Apr 26 17:01:30 2016 Return-Path: Delivered-To: svn-src-head@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 F384FB1CD3E; Tue, 26 Apr 2016 17:01:30 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 75B2212E3; Tue, 26 Apr 2016 17:01:30 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id u3QH1LZx051342 (version=TLSv1 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Tue, 26 Apr 2016 20:01:21 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua u3QH1LZx051342 Received: (from kostik@localhost) by tom.home (8.15.2/8.15.2/Submit) id u3QH1Lqq051341; Tue, 26 Apr 2016 20:01:21 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Tue, 26 Apr 2016 20:01:21 +0300 From: Konstantin Belousov To: Jamie Gritton Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r298585 - in head: sys/kern usr.sbin/jail Message-ID: <20160426170121.GS2422@kib.kiev.ua> References: <201604251706.u3PH6okj031018@repo.freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201604251706.u3PH6okj031018@repo.freebsd.org> User-Agent: Mutt/1.6.0 (2016-04-01) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.1 X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Apr 2016 17:01:31 -0000 On Mon, Apr 25, 2016 at 05:06:50PM +0000, Jamie Gritton wrote: > Author: jamie > Date: Mon Apr 25 17:06:50 2016 > New Revision: 298585 > URL: https://svnweb.freebsd.org/changeset/base/298585 > > Log: > Encapsulate SYSV IPC objects in jails. Define per-module parameters > sysvmsg, sysvsem, and sysvshm, with the following bahavior: I got the following: lock order reversal: (sleepable after non-sleepable) 1st 0xfffff80005635678 process lock (process lock) @ /usr/home/kostik/work/build/bsd/DEV/src/sys/kern/kern_exit.c:496 2nd 0xffffffff80aebae8 allprison (allprison) @ /usr/home/kostik/work/build/bsd/DEV/src/sys/kern/kern_jail.c:2642 stack backtrace: #0 0xffffffff803cf0c0 at witness_debugger+0x70 #1 0xffffffff803cefb4 at witness_checkorder+0xe54 #2 0xffffffff80378466 at _sx_slock+0x76 #3 0xffffffff8033dcd1 at prison_deref+0x101 #4 0xffffffff80331a68 at exit1+0xa08 #5 0xffffffff8033105d at sys_sys_exit+0xd #6 0xffffffff805c5c84 at ia32_syscall+0x324 #7 0xffffffff80586f35 at Xint0x80_syscall+0x95 lock order reversal: (sleepable after non-sleepable) 1st 0xfffff80005635678 process lock (process lock) @ /usr/home/kostik/work/build/bsd/DEV/src/sys/kern/kern_exit.c:496 2nd 0xffffffff8114d700 sysvshmsx (sysvshmsx) @ /usr/home/kostik/work/build/bsd/DEV/src/sys/modules/sysvipc/sysvshm/../../../kern/sysv_shm.c:1199 stack backtrace: #0 0xffffffff803cf0c0 at witness_debugger+0x70 #1 0xffffffff803cefb4 at witness_checkorder+0xe54 #2 0xffffffff80378755 at _sx_xlock+0x75 #3 0xffffffff8114c5fa at shm_prison_remove+0x2a #4 0xffffffff803598d1 at osd_call+0xb1 #5 0xffffffff8033dd04 at prison_deref+0x134 #6 0xffffffff80331a68 at exit1+0xa08 #7 0xffffffff8033105d at sys_sys_exit+0xd #8 0xffffffff805c5c84 at ia32_syscall+0x324 #9 0xffffffff80586f35 at Xint0x80_syscall+0x95