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Message-ID: <202306150753.vOUEonLq-lkp@intel.com>
Date: Thu, 15 Jun 2023 07:59:56 +0800
From: kernel test robot <lkp@...el.com>
To: Azeem Shaikh <azeemshaikh38@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Valentina Manea <valentina.manea.m@...il.com>,
Shuah Khan <skhan@...uxfoundation.org>,
Kees Cook <keescook@...omium.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-hardening@...r.kernel.org,
Azeem Shaikh <azeemshaikh38@...il.com>,
Hongren Zheng <i@...ithal.me>, linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] usbip: usbip_host: Replace strlcpy with strscpy
Hi Azeem,
kernel test robot noticed the following build warnings:
[auto build test WARNING on usb/usb-testing]
[also build test WARNING on usb/usb-next usb/usb-linus linus/master v6.4-rc6 next-20230614]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Azeem-Shaikh/usbip-usbip_host-Replace-strlcpy-with-strscpy/20230614-221217
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
patch link: https://lore.kernel.org/r/20230614141026.2113749-1-azeemshaikh38%40gmail.com
patch subject: [PATCH v2] usbip: usbip_host: Replace strlcpy with strscpy
config: i386-randconfig-i012-20230614 (https://download.01.org/0day-ci/archive/20230615/202306150753.vOUEonLq-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build):
git remote add usb https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
git fetch usb usb-testing
git checkout usb/usb-testing
b4 shazam https://lore.kernel.org/r/20230614141026.2113749-1-azeemshaikh38@gmail.com
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=i386 olddefconfig
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/usb/usbip/
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202306150753.vOUEonLq-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/usb/usbip/stub_main.c: In function 'match_busid_store':
>> drivers/usb/usbip/stub_main.c:170:13: warning: unused variable 'len' [-Wunused-variable]
170 | int len;
| ^~~
vim +/len +170 drivers/usb/usbip/stub_main.c
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 166
cc3d53def83a99 drivers/usb/usbip/stub_main.c Greg Kroah-Hartman 2017-06-09 167 static ssize_t match_busid_store(struct device_driver *dev, const char *buf,
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 168 size_t count)
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 169 {
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 @170 int len;
e913397202b755 drivers/staging/usbip/stub_main.c Kay Sievers 2008-10-30 171 char busid[BUSID_SIZE];
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 172
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 173 if (count < 5)
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 174 return -EINVAL;
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 175
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 176 /* busid needs to include \0 termination */
7e5b2b663aa01a drivers/usb/usbip/stub_main.c Azeem Shaikh 2023-06-14 177 if (strscpy(busid, buf + 4, BUSID_SIZE) < 0)
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 178 return -EINVAL;
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 179
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 180 if (!strncmp(buf, "add ", 4)) {
2183b77ece517f drivers/staging/usbip/stub_main.c Kurt Kanzenbach 2013-04-04 181 if (add_match_busid(busid) < 0)
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 182 return -ENOMEM;
2183b77ece517f drivers/staging/usbip/stub_main.c Kurt Kanzenbach 2013-04-04 183
1a4b6f66285785 drivers/staging/usbip/stub_main.c matt mooney 2011-05-19 184 pr_debug("add busid %s\n", busid);
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 185 return count;
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 186 }
2183b77ece517f drivers/staging/usbip/stub_main.c Kurt Kanzenbach 2013-04-04 187
2183b77ece517f drivers/staging/usbip/stub_main.c Kurt Kanzenbach 2013-04-04 188 if (!strncmp(buf, "del ", 4)) {
2183b77ece517f drivers/staging/usbip/stub_main.c Kurt Kanzenbach 2013-04-04 189 if (del_match_busid(busid) < 0)
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 190 return -ENODEV;
2183b77ece517f drivers/staging/usbip/stub_main.c Kurt Kanzenbach 2013-04-04 191
1a4b6f66285785 drivers/staging/usbip/stub_main.c matt mooney 2011-05-19 192 pr_debug("del busid %s\n", busid);
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 193 return count;
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 194 }
2183b77ece517f drivers/staging/usbip/stub_main.c Kurt Kanzenbach 2013-04-04 195
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 196 return -EINVAL;
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 197 }
cc3d53def83a99 drivers/usb/usbip/stub_main.c Greg Kroah-Hartman 2017-06-09 198 static DRIVER_ATTR_RW(match_busid);
4d7b5c7f8ad49b drivers/staging/usbip/stub_main.c Takahiro Hirofuchi 2008-07-09 199
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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