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Date: Tue, 13 Jun 2017 08:02:02 +0800
From: kbuild test robot <lkp@...el.com>
To: Salvatore Mesoraca <s.mesoraca16@...il.com>
Cc: kbuild-all@...org, linux-kernel@...r.kernel.org,
linux-security-module@...r.kernel.org,
kernel-hardening@...ts.openwall.com,
Salvatore Mesoraca <s.mesoraca16@...il.com>,
Brad Spengler <spender@...ecurity.net>,
PaX Team <pageexec@...email.hu>,
Casey Schaufler <casey@...aufler-ca.com>,
Kees Cook <keescook@...omium.org>,
James Morris <james.l.morris@...cle.com>,
"Serge E. Hallyn" <serge@...lyn.com>
Subject: Re: [PATCH 09/11] Trampoline emulation
Hi Salvatore,
[auto build test ERROR on security/next]
[also build test ERROR on v4.12-rc5]
[cannot apply to next-20170609]
[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/Salvatore-Mesoraca/S-A-R-A-Documentation/20170613-050631
base: https://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security.git next
config: i386-allmodconfig (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 error/warnings (new ones prefixed by >>):
security/sara/wxprot.c: In function 'sara_pagefault_handler_x86':
>> security/sara/wxprot.c:407:18: error: '__USER32_CS' undeclared (first use in this function)
regs->cs == __USER32_CS ||
^~~~~~~~~~~
security/sara/wxprot.c:407:18: note: each undeclared identifier is reported only once for each function it appears in
>> security/sara/wxprot.c:409:17: warning: right shift count >= width of type [-Wshift-count-overflow]
if (!(address >> 32)) /* K8 erratum #100 */
^~
vim +/__USER32_CS +407 security/sara/wxprot.c
401
402 local_irq_enable();
403 might_sleep();
404 might_fault();
405
406 if (IS_ENABLED(CONFIG_X86_32) ||
> 407 regs->cs == __USER32_CS ||
408 (regs->cs & (1<<2))) {
> 409 if (!(address >> 32)) /* K8 erratum #100 */
410 ret = sara_pagefault_handler_x86_32(regs);
411 } else
412 ret = sara_pagefault_handler_x86_64(regs);
---
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" (60226 bytes)
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