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Message-ID: <201704070155.EM9TWkdW%fengguang.wu@intel.com>
Date: Fri, 7 Apr 2017 01:41:26 +0800
From: kbuild test robot <lkp@...el.com>
To: Eddie Kovsky <ewk@...ovsky.org>
Cc: kbuild-all@...org, jeyu@...hat.com, rusty@...tcorp.com.au,
keescook@...omium.org, linux-kernel@...r.kernel.org,
kernel-hardening@...ts.openwall.com
Subject: Re: [PATCH v5 2/2] extable: verify address is read-only
Hi Eddie,
[auto build test ERROR on next-20170330]
[cannot apply to linus/master linux/master jeyu/modules-next v4.9-rc8 v4.9-rc7 v4.9-rc6 v4.11-rc5]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Eddie-Kovsky/module-verify-address-is-read-only/20170407-004322
config: i386-randconfig-x010-201714 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=i386
All errors (new ones prefixed by >>):
kernel/extable.c: In function 'core_kernel_rodata':
>> kernel/extable.c:169:29: error: '__start_ro_after_init' undeclared (first use in this function)
if (addr >= (unsigned long)__start_ro_after_init &&
^~~~~~~~~~~~~~~~~~~~~
kernel/extable.c:169:29: note: each undeclared identifier is reported only once for each function it appears in
>> kernel/extable.c:170:28: error: '__end_ro_after_init' undeclared (first use in this function)
addr < (unsigned long)__end_ro_after_init)
^~~~~~~~~~~~~~~~~~~
vim +/__start_ro_after_init +169 kernel/extable.c
163 int core_kernel_rodata(unsigned long addr)
164 {
165 if (addr >= (unsigned long)__start_rodata &&
166 addr < (unsigned long)__end_rodata)
167 return 1;
168
> 169 if (addr >= (unsigned long)__start_ro_after_init &&
> 170 addr < (unsigned long)__end_ro_after_init)
171 return 1;
172
173 return 0;
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
Download attachment ".config.gz" of type "application/gzip" (27264 bytes)
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