From: kbuild test robot <lkp@intel.com>
To: Benjamin LaHaise <bcrl@kvack.org>
Cc: kbuild-all@01.org, Ingo Molnar <mingo@redhat.com>,
Russell King <rmk@arm.linux.org.uk>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86_32: add support for 64 bit __get_user()
Date: Thu, 10 Mar 2016 02:22:04 +0800 [thread overview]
Message-ID: <201603100223.PmUlyLPo%fengguang.wu@intel.com> (raw)
In-Reply-To: <20160309172225.GN12913@kvack.org>
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Hi Benjamin,
[auto build test ERROR on tip/x86/core]
[also build test ERROR on v4.5-rc7 next-20160309]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Benjamin-LaHaise/x86_32-add-support-for-64-bit-__get_user/20160310-012551
config: x86_64-randconfig-s3-03100205 (attached as .config)
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
kernel/ptrace.c: Assembler messages:
kernel/ptrace.c:1039: Error: operand type mismatch for `movq'
>> kernel/ptrace.c:1043: Error: incorrect register `%cx' used with `q' suffix
kernel/ptrace.c:1040: Error: operand type mismatch for `movq'
kernel/ptrace.c:1044: Error: incorrect register `%cx' used with `q' suffix
vim +1043 kernel/ptrace.c
9fed81dc Namhyung Kim 2010-10-27 1033 struct iovec __user *uiov = datavp;
2225a122 Suresh Siddha 2010-02-11 1034
2225a122 Suresh Siddha 2010-02-11 1035 if (!access_ok(VERIFY_WRITE, uiov, sizeof(*uiov)))
2225a122 Suresh Siddha 2010-02-11 1036 return -EFAULT;
2225a122 Suresh Siddha 2010-02-11 1037
2225a122 Suresh Siddha 2010-02-11 1038 if (__get_user(kiov.iov_base, &uiov->iov_base) ||
2225a122 Suresh Siddha 2010-02-11 @1039 __get_user(kiov.iov_len, &uiov->iov_len))
2225a122 Suresh Siddha 2010-02-11 1040 return -EFAULT;
2225a122 Suresh Siddha 2010-02-11 1041
2225a122 Suresh Siddha 2010-02-11 1042 ret = ptrace_regset(child, request, addr, &kiov);
2225a122 Suresh Siddha 2010-02-11 @1043 if (!ret)
2225a122 Suresh Siddha 2010-02-11 1044 ret = __put_user(kiov.iov_len, &uiov->iov_len);
2225a122 Suresh Siddha 2010-02-11 1045 break;
2225a122 Suresh Siddha 2010-02-11 1046 }
:::::: The code at line 1043 was first introduced by commit
:::::: 2225a122ae26d542bdce523d9d87a4a7ba10e07b ptrace: Add support for generic PTRACE_GETREGSET/PTRACE_SETREGSET
:::::: TO: Suresh Siddha <suresh.b.siddha@intel.com>
:::::: CC: H. Peter Anvin <hpa@zytor.com>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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next prev parent reply other threads:[~2016-03-09 18:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-09 17:22 [PATCH] x86_32: add support for 64 bit __get_user() Benjamin LaHaise
2016-03-09 17:36 ` H. Peter Anvin
2016-03-09 17:50 ` Benjamin LaHaise
2016-03-09 18:22 ` H. Peter Anvin
2016-03-09 18:27 ` Benjamin LaHaise
2016-03-09 19:30 ` [PATCH] x86_32: add support for 64 bit __get_user() v2 Benjamin LaHaise
2016-03-09 19:41 ` kbuild test robot
2016-03-09 20:05 ` [PATCH] x86_32: add support for 64 bit __get_user() v3 Benjamin LaHaise
2016-03-14 15:37 ` Benjamin LaHaise
2016-03-14 16:39 ` Ingo Molnar
2016-03-09 20:24 ` [PATCH] x86_32: add support for 64 bit __get_user() v2 kbuild test robot
2016-03-09 18:17 ` [PATCH] x86_32: add support for 64 bit __get_user() kbuild test robot
2016-03-09 18:22 ` kbuild test robot [this message]
2016-03-09 18:23 ` kbuild test robot
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