From owner-freebsd-stable@freebsd.org Mon Aug 1 07:16:18 2016 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 4F3AFBAA2A8 for ; Mon, 1 Aug 2016 07:16:18 +0000 (UTC) (envelope-from h.schmalzbauer@omnilan.de) Received: from mx0.gentlemail.de (mx0.gentlemail.de [IPv6:2a00:e10:2800::a130]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id DA10819D1 for ; Mon, 1 Aug 2016 07:16:17 +0000 (UTC) (envelope-from h.schmalzbauer@omnilan.de) Received: from mh0.gentlemail.de (mh0.gentlemail.de [78.138.80.135]) by mx0.gentlemail.de (8.14.5/8.14.5) with ESMTP id u717GGHZ066775 for ; Mon, 1 Aug 2016 09:16:16 +0200 (CEST) (envelope-from h.schmalzbauer@omnilan.de) Received: from titan.inop.mo1.omnilan.net (titan.inop.mo1.omnilan.net [IPv6:2001:a60:f0bb:1::3:1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mh0.gentlemail.de (Postfix) with ESMTPSA id BE678C35; Mon, 1 Aug 2016 09:16:15 +0200 (CEST) Message-ID: <579EF739.1040705@omnilan.de> Date: Mon, 01 Aug 2016 09:16:09 +0200 From: Harald Schmalzbauer Organization: OmniLAN User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; de-DE; rv:1.9.2.8) Gecko/20100906 Lightning/1.0b2 Thunderbird/3.1.2 MIME-Version: 1.0 To: FreeBSD Stable Subject: 11-BETA3 Panic: Memory modified after free X-Enigmail-Version: 1.1.2 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig4861C3470A331AC7955F7409" X-Greylist: ACL 119 matched, not delayed by milter-greylist-4.2.7 (mx0.gentlemail.de [78.138.80.130]); Mon, 01 Aug 2016 09:16:16 +0200 (CEST) X-Milter: Spamilter (Reciever: mx0.gentlemail.de; Sender-ip: 78.138.80.135; Sender-helo: mh0.gentlemail.de; ) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Aug 2016 07:16:18 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig4861C3470A331AC7955F7409 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable Hello, 11-BETA3 crashes spontaniously with this: Unread portion of the kernel message buffer: panic: Memory modified after free 0xfffff8000709f400(1024) val=3Ddedeadc0= @ 0xfffff8000709f400 cpuid =3D 2 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe007a2e8540 vpanic() at vpanic+0x182/frame 0xfffffe007a2e85c0 panic() at panic+0x43/frame 0xfffffe007a2e8620 trash_ctor() at trash_ctor+0x4b/frame 0xfffffe007a2e8630 uma_zalloc_arg() at uma_zalloc_arg+0x504/frame 0xfffffe007a2e8690 namei() at namei+0xe4/frame 0xfffffe007a2e8750 kern_statat() at kern_statat+0xa8/frame 0xfffffe007a2e8900 sys_stat() at sys_stat+0x2d/frame 0xfffffe007a2e89a0 amd64_syscall() at amd64_syscall+0x2db/frame 0xfffffe007a2e8ab0 Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe007a2e8ab0 --- syscall (188, FreeBSD ELF64, sys_stat), rip =3D 0x800e4f48a, rsp =3D 0x7fffffffde58, rbp =3D 0x7fffffffdfb0 --- KDB: enter: panic #0 doadump (textdump=3D2049867776) at pcpu.h:221 221 __asm("movq %%gs:%1,%0" : "=3Dr" (td) (kgdb) tr trace command requires an argument (kgdb) backtrace #0 doadump (textdump=3D2049867776) at pcpu.h:221 #1 0xffffffff80393346 in db_fncall (dummy1=3D, dummy2=3D, dummy3=3D, dummy4=3D) at /usr/local/share/deploy-tools/RELENG_11/src/sys/ddb/db_command.c:5= 68 #2 0xffffffff80392de9 in db_command (cmd_table=3D) at /usr/local/share/deploy-tools/RELENG_11/src/sys/ddb/db_command.c:440 #3 0xffffffff80392b44 in db_command_loop () at /usr/local/share/deploy-tools/RELENG_11/src/sys/ddb/db_command.c:493 #4 0xffffffff80395a7b in db_trap (type=3D, code=3D) at /usr/local/share/deploy-tools/RELENG_11/src/sys/ddb/db_main.c:251 #5 0xffffffff80a96133 in kdb_trap (type=3D, code=3D, tf=3D) at /usr/local/share/deploy-tools/RELENG_11/src/sys/kern/subr_kdb.c:65= 4 #6 0xffffffff80ec5a4d in trap (frame=3D0xfffffe007a2e8470) at /usr/local/share/deploy-tools/RELENG_11/src/sys/amd64/amd64/trap.c:556 #7 0xffffffff80ea6161 in calltrap () at /usr/local/share/deploy-tools/RELENG_11/src/sys/amd64/amd64/exception.S:2= 36 #8 0xffffffff80a957db in kdb_enter (why=3D0xffffffff813f055e "panic", msg=3D0x80
) at cpufunc.h:63 #9 0xffffffff80a562df in vpanic (fmt=3D, ap=3D0xfffffe007a2e8600) at /usr/local/share/deploy-tools/RELENG_11/src/sys/kern/kern_shutdown.c:752 #10 0xffffffff80a56343 in panic (fmt=3D0xffffffff82890250 "\004") at /usr/local/share/deploy-tools/RELENG_11/src/sys/kern/kern_shutdown.c:690 #11 0xffffffff80d349eb in trash_ctor (mem=3D, size=3D, arg=3D, flags=3D) at /usr/local/share/deploy-tools/RELENG_11/src/sys/vm/uma_dbg.c:80 #12 0xffffffff80d308f4 in uma_zalloc_arg (zone=3D, udata=3D0x0, flags=3D) at /usr/local/share/deploy-tools/RELENG_11/src/sys/vm/uma_core.c:2156= #13 0xffffffff80b09384 in namei (ndp=3D0xfffffe007a2e8810) at uma.h:336 #14 0xffffffff80b20168 in kern_statat (td=3D0xfffff800078ee000, flag=3D, fd=3D-100, path=3D0x1a1e
, pathseg=3D, sbp=3D, hook=3D0x8014161e0) at /usr/local/share/deploy-tools/RELENG_11/src/sys/kern/vfs_syscalls.c:2160 #15 0xffffffff80b2009d in sys_stat (td=3D0xffffffff82890250, uap=3D0xfffffe007a2e8a40) at /usr/local/share/deploy-tools/RELENG_11/src/sys/kern/vfs_syscalls.c:2115 #16 0xffffffff80ec6b2b in amd64_syscall (td=3D0xfffff800078ee000, traced=3D0) at subr_syscall.c:135 #17 0xffffffff80ea644b in Xfast_syscall () at /usr/local/share/deploy-tools/RELENG_11/src/sys/amd64/amd64/exception.S:3= 96 #18 0x0000000800e4f48a in ?? () Previous frame inner to this frame (corrupt stack?) Thanks for any help, tell me if I can help narrow it down. A wild guess i= s it's related to unionfs? -Harry --------------enig4861C3470A331AC7955F7409 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (FreeBSD) iEYEARECAAYFAlee9z8ACgkQLDqVQ9VXb8iFrgCfTfjInN7kacX9YiPrL1YoiiDd dwEAoIx3doy4Eo7nWG63rzvj8h5BkrNw =4+II -----END PGP SIGNATURE----- --------------enig4861C3470A331AC7955F7409--