From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1WJgDw-0002i5-OK for user-mode-linux-devel@lists.sourceforge.net; Sat, 01 Mar 2014 09:28:48 +0000 Received: from mout.gmx.net ([212.227.17.20]) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:AES128-SHA:128) (Exim 4.76) id 1WJgDv-0000E9-3F for user-mode-linux-devel@lists.sourceforge.net; Sat, 01 Mar 2014 09:28:48 +0000 Received: from [192.168.178.21] ([78.54.129.74]) by mail.gmx.com (mrgmx102) with ESMTPSA (Nemesis) id 0MELdk-1WQFo81MrI-00FS3x for ; Sat, 01 Mar 2014 10:28:40 +0100 Message-ID: <5311A846.4020303@gmx.de> Date: Sat, 01 Mar 2014 10:28:38 +0100 From: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= MIME-Version: 1.0 List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net Subject: [uml-devel] [info] syscall mremap can't be tested at a UML w/ fuzzy tool trinity To: trinity@vger.kernel.org Cc: UML devel LS0tLS1CRUdJTiBQR1AgU0lHTkVEIE1FU1NBR0UtLS0tLQpIYXNoOiBTSEEyNTYKClRvZGF5IEkg dGVzdGVkIGlmIEkgY2FuIGFjdGl2YXRlIHRoYXQgc3lzY2FsbCBhZ2FpbiBoZXJlIChtdW5tYXAg d29ya3MgZmluZSBzaW5jZSBmZXcgZGF5cykuClRlc3RpbmcgYSAzMiBiaXQgdXNlciBtb2RlIGxp bnV4IGltYWdlIHdpdGggIiQ+dHJpbml0eSAtcSAtTiAxMDAwMDAgLUMgOCIgZ2F2ZSBpbiB0aGUg c3lzbG9nIG9mIHRoZSBVTUwgZ3Vlc3Q6CgpNYXIgIDEgMTA6MDk6MTggdHJpbml0eSBrZXJuZWw6 IFN0dWIgcmVnaXN0ZXJzIC0KTWFyICAxIDEwOjA5OjE4IHRyaW5pdHkga2VybmVsOiAgICAgICAg IDAgLSAxMDAwMDAKTWFyICAxIDEwOjA5OjE4IHRyaW5pdHkga2VybmVsOiAgICAgICAgIDEgLSAy MDAwCk1hciAgMSAxMDowOToxOCB0cmluaXR5IGtlcm5lbDogICAgICAgICAyIC0gMApNYXIgIDEg MTA6MDk6MTggdHJpbml0eSBrZXJuZWw6ICAgICAgICAgMyAtIDAKTWFyICAxIDEwOjA5OjE4IHRy 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aWxpbmcgbGlzdApVc2VyLW1vZGUtbGludXgtZGV2ZWxAbGlzdHMuc291cmNlZm9yZ2UubmV0Cmh0 dHBzOi8vbGlzdHMuc291cmNlZm9yZ2UubmV0L2xpc3RzL2xpc3RpbmZvL3VzZXItbW9kZS1saW51 eC1kZXZlbAo= From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?VG9yYWxmIEbDtnJzdGVy?= Subject: [info] syscall mremap can't be tested at a UML w/ fuzzy tool trinity Date: Sat, 01 Mar 2014 10:28:38 +0100 Message-ID: <5311A846.4020303@gmx.de> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Sender: trinity-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="iso-8859-1" To: trinity@vger.kernel.org Cc: UML devel -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Today I tested if I can activate that syscall again here (munmap works = fine since few days). Testing a 32 bit user mode linux image with "$>trinity -q -N 100000 -C = 8" gave in the syslog of the UML guest: Mar 1 10:09:18 trinity kernel: Stub registers - Mar 1 10:09:18 trinity kernel: 0 - 100000 Mar 1 10:09:18 trinity kernel: 1 - 2000 Mar 1 10:09:18 trinity kernel: 2 - 0 Mar 1 10:09:18 trinity kernel: 3 - 0 Mar 1 10:09:18 trinity kernel: 4 - 0 Mar 1 10:09:18 trinity kernel: 5 - 0 Mar 1 10:09:18 trinity kernel: 6 - 0 Mar 1 10:09:18 trinity kernel: 7 - 7b Mar 1 10:09:18 trinity kernel: 8 - 7b Mar 1 10:09:18 trinity kernel: 9 - 0 Mar 1 10:09:18 trinity kernel: 10 - 33 Mar 1 10:09:18 trinity kernel: 11 - ffffffff Mar 1 10:09:18 trinity kernel: 12 - 1000c3 Mar 1 10:09:18 trinity kernel: 13 - 73 Mar 1 10:09:18 trinity kernel: 14 - 10206 Mar 1 10:09:18 trinity kernel: 15 - 101028 Mar 1 10:09:18 trinity kernel: 16 - 7b Mar 1 10:09:18 trinity kernel: wait_stub_done : failed to wait for SIG= TRAP, pid =3D 6662, n =3D 6662, errno =3D 0, status =3D 0xb7f Mar 1 10:09:18 trinity kernel: do_syscall_stub : ret =3D 0, offset =3D= 1052680, data =3D 477be008 Mar 1 10:09:18 trinity kernel: do_syscall_stub: syscall 91 failed, ret= urn value =3D 0x0, expected return value =3D 0x0 Mar 1 10:09:18 trinity kernel: syscall parameters: 0x100000 0x2000 0x0= 0x0 0x0 0x0 and a back trace of the core file of the crashed UML guest process tell= s: $ gdb --core=3D/mnt/ramdisk/core /home/tfoerste/devel/linux/linux -n -b= atch -ex 'bt' [New LWP 4841] warning: Could not load shared library symbols for linux-gate.so.1. Do you need "set solib-search-path" or "set sysroot"? Core was generated by `/home/tfoerste/devel/linux/linux earlyprintk ubd= a=3D/home/tfoerste/virtual/uml/tr'. Program terminated with signal 6, Aborted. #0 0xb77c5424 in __kernel_vsyscall () #0 0xb77c5424 in __kernel_vsyscall () #1 0x08481b55 in kill () #2 0x08072acd in uml_abort () at arch/um/os-Linux/util.c:93 #3 0x08072e05 in os_dump_core () at arch/um/os-Linux/util.c:148 #4 0x080624fd in panic_exit (self=3D0x86c1598 , u= nused1=3D0, unused2=3D0x86f89a0 ) at arch/um/kernel/um_arch.= c:240 #5 0x0809a2e6 in notifier_call_chain (nl=3D0x0, val=3D0, v=3D0x86f89a0= , nr_to_call=3D-2, nr_calls=3D0x0) at kernel/notifier.c:93 #6 0x0809a401 in __atomic_notifier_call_chain (nh=3D0x86f8984 , val=3D0, v=3D0x86f89a0 , nr_to_call=3D0, nr_c= alls=3D0x0) at kernel/notifier.c:182 #7 0x0809a43f in atomic_notifier_call_chain (nh=3D0x0, val=3D0, v=3D0x= 0) at kernel/notifier.c:191 #8 0x084de7fc in panic (fmt=3D0x0) at kernel/panic.c:130 #9 0x080735b5 in do_syscall_stub (addr=3D, mm_idp=3D) at arch/um/os-Linux/skas/mem.c:68 #10 run_syscall_stub (mm_idp=3D0x4755d364, syscall=3D6, args=3D0x4490fb= 60, expected=3D1150352224, addr=3D0x4490fda4, done=3D1) at arch/um/os-L= inux/skas/mem.c:142 #11 0x08073c05 in unmap (mm_idp=3D0x0, addr=3D1079300096, len=3D4096, d= one=3D1150352224, data=3D0x4490fb60) at arch/um/os-Linux/skas/mem.c:244 #12 0x08061047 in do_ops (hvc=3D0x4490fd80, end=3D1, finished=3D1) at a= rch/um/kernel/tlb.c:67 #13 0x080615f8 in fix_range_common (mm=3D0x0, start_addr=3D1150352224, = end_addr=3D1079840768, force=3D0) at arch/um/kernel/tlb.c:281 #14 0x0806193e in fix_range (force=3D, end_addr=3D, start_addr=3D, mm=3D) at arch/= um/kernel/tlb.c:493 #15 flush_tlb_range (vma=3D0x0, start=3D1078792192, end=3D1079840768) a= t arch/um/kernel/tlb.c:501 #16 0x080ef1ae in move_page_tables (vma=3D0x47839d48, old_addr=3D107879= 2192, new_vma=3D0x44856cc0, new_addr=3D2097152, len=3D1048576, need_rma= p_locks=3Dfalse) at mm/mremap.c:222 #17 0x080ef2c7 in move_vma (vma=3D0x47839d48, old_addr=3D1150352224, ol= d_len=3D6, new_len=3D1048576, new_addr=3D1048576, locked=3D0x0) at mm/m= remap.c:269 #18 0x080ef608 in mremap_to (locked=3D, new_len=3D, new_addr=3D, old_len=3D, addr=3D= ) at mm/mremap.c:438 #19 SYSC_mremap (new_addr=3D, flags=3D, n= ew_len=3D, old_len=3D, addr=3D) at mm/mremap.c:501 #20 SyS_mremap (addr=3D1078792192, old_len=3D1048576, new_len=3D1048576= , flags=3D3, new_addr=3D1048576) at mm/mremap.c:470 #21 0x08062ab4 in handle_syscall (r=3D0x477df0c8) at arch/um/kernel/ska= s/syscall.c:35 #22 0x08074905 in handle_trap (local_using_sysemu=3D, re= gs=3D, pid=3D) at arch/um/os-Linux/skas/p= rocess.c:198 #23 userspace (regs=3D0x477df0c8) at arch/um/os-Linux/skas/process.c:43= 1 #24 0x0805f770 in fork_handler () at arch/um/kernel/process.c:149 - --=20 MfG/Sincerely Toralf F=C3=B6rster pgp finger print:1A37 6F99 4A9D 026F 13E2 4DCF C4EA CDDE 0076 E94E -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iF4EAREIAAYFAlMRqEYACgkQxOrN3gB26U6DrAD/SqDlQgmtzWcG68u16UPHtPEg UmRkKQIdpqQ3iDhK2K8BAIJ3eeIkuItS71Usp4fvGHyp1bZnYZZQJjc+brur7s9G =3D1kbQ -----END PGP SIGNATURE-----