Date: Tue, 26 Apr 2016 20:01:21 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Jamie Gritton <jamie@FreeBSD.org> 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> In-Reply-To: <201604251706.u3PH6okj031018@repo.freebsd.org> References: <201604251706.u3PH6okj031018@repo.freebsd.org>
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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
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