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Subject[deller-parisc:for-next-maybe 1/1] mm/usercopy.c:135:3: error: expected ')'
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git for-next-maybe
head: 4d7b3620412d727e09bf0eef942be42da363260d
commit: 4d7b3620412d727e09bf0eef942be42da363260d [1/1] usercopy: Do not fail if memory is from the init section
config: hexagon-randconfig-r045-20211128 (https://download.01.org/0day-ci/archive/20211201/202112011052.dPaqoNLr-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 25eb7fa01d7ebbe67648ea03841cda55b4239ab2)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git/commit/?id=4d7b3620412d727e09bf0eef942be42da363260d
git remote add deller-parisc https://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git
git fetch --no-tags deller-parisc for-next-maybe
git checkout 4d7b3620412d727e09bf0eef942be42da363260d
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> mm/usercopy.c:135:3: error: expected ')'
return;
^
mm/usercopy.c:134:5: note: to match this '('
if (inside_init_area(ptr, n, __init_begin, __init_end)
^
mm/usercopy.c:137:3: error: expected ')'
return;
^
mm/usercopy.c:136:5: note: to match this '('
if (inside_init_area(ptr, n, _sinittext, _einittext)
^
2 errors generated.


vim +135 mm/usercopy.c

124
125 /* Is this address range in the kernel text area? */
126 static inline void check_kernel_text_object(const unsigned long ptr,
127 unsigned long n, bool to_user)
128 {
129 unsigned long textlow = (unsigned long)_stext;
130 unsigned long texthigh = (unsigned long)_etext;
131 unsigned long textlow_linear, texthigh_linear;
132
133 /* Ok if inside the former init sections */
134 if (inside_init_area(ptr, n, __init_begin, __init_end)
> 135 return;
136 if (inside_init_area(ptr, n, _sinittext, _einittext)
137 return;
138
139 if (overlaps(ptr, n, textlow, texthigh))
140 usercopy_abort("kernel text", NULL, to_user, ptr - textlow, n);
141
142 /*
143 * Some architectures have virtual memory mappings with a secondary
144 * mapping of the kernel text, i.e. there is more than one virtual
145 * kernel address that points to the kernel image. It is usually
146 * when there is a separate linear physical memory mapping, in that
147 * __pa() is not just the reverse of __va(). This can be detected
148 * and checked:
149 */
150 textlow_linear = (unsigned long)lm_alias(textlow);
151 /* No different mapping: we're done. */
152 if (textlow_linear == textlow)
153 return;
154
155 /* Check the secondary mapping... */
156 texthigh_linear = (unsigned long)lm_alias(texthigh);
157 if (overlaps(ptr, n, textlow_linear, texthigh_linear))
158 usercopy_abort("linear kernel text", NULL, to_user,
159 ptr - textlow_linear, n);
160 }
161

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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