From: kbuild test robot <lkp@intel.com>
To: Chris Metcalf <cmetcalf@ezchip.com>
Cc: kbuild-all@01.org, Linus Torvalds <torvalds@linux-foundation.org>,
Ingo Molnar <mingo@kernel.org>,
Alexey Dobriyan <adobriyan@gmail.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Chris Metcalf <cmetcalf@ezchip.com>
Subject: Re: [PATCH] strscpy: zero any trailing garbage bytes in the destination
Date: Wed, 7 Oct 2015 00:59:13 +0800 [thread overview]
Message-ID: <201510070037.Y713zoc3%fengguang.wu@intel.com> (raw)
In-Reply-To: <1444150034-31729-1-git-send-email-cmetcalf@ezchip.com>
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Hi Chris,
[auto build test ERROR on v4.3-rc4 -- if it's inappropriate base, please ignore]
config: alpha-defconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=alpha
All errors (new ones prefixed by >>):
lib/string.c: In function 'strscpy':
>> lib/string.c:209:4: error: implicit declaration of function 'zero_bytemask' [-Werror=implicit-function-declaration]
*(unsigned long *)(dest+res) = c & zero_bytemask(data);
^
cc1: some warnings being treated as errors
vim +/zero_bytemask +209 lib/string.c
203 unsigned long c, data;
204
205 c = *(unsigned long *)(src+res);
206 if (has_zero(c, &data, &constants)) {
207 data = prep_zero_mask(c, data, &constants);
208 data = create_zero_mask(data);
> 209 *(unsigned long *)(dest+res) = c & zero_bytemask(data);
210 return res + find_zero(data);
211 }
212 *(unsigned long *)(dest+res) = c;
---
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:[~2015-10-06 16:59 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-05 15:38 [PATCH] string: Improve the generic strlcpy() implementation Alexey Dobriyan
2015-10-05 16:11 ` Ingo Molnar
2015-10-05 16:13 ` Ingo Molnar
[not found] ` <CA+55aFyTVJfCt00gYJpiQW5kqPaRGJ93JmfRRni-73zCf5ivqg@mail.gmail.com>
2015-10-05 16:22 ` Ingo Molnar
2015-10-05 16:28 ` Ingo Molnar
2015-10-05 16:36 ` [PATCH] string: Fix strscpy() uninitialized data copy bug Ingo Molnar
2015-10-05 18:54 ` Chris Metcalf
2015-10-06 7:21 ` Ingo Molnar
2015-10-05 20:40 ` [PATCH] string: Improve the generic strlcpy() implementation Linus Torvalds
2015-10-06 16:47 ` [PATCH] strscpy: zero any trailing garbage bytes in the destination Chris Metcalf
2015-10-06 16:59 ` kbuild test robot [this message]
2015-10-06 17:34 ` Chris Metcalf
2015-10-07 7:28 ` Ingo Molnar
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