Messages in this thread | | | Date | Wed, 1 Dec 2021 10:35:32 +0800 | From | kernel test robot <> | 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
| |