Messages in this thread | | | Date | Mon, 17 Jan 2022 15:38:07 +0800 | From | kernel test robot <> | Subject | [mingo-tip:sched/headers 203/2384] kernel/kcsan/permissive.h:31:26: error: no member named 'flags' in 'struct task_struct' |
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tree: git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git sched/headers head: 4c707c1c0de83967079b4e385012fa5b00e2cd11 commit: 762c0e5e35546dcaccb201e1e3dae69e34f7733b [203/2384] headers/deps: Move task_struct::flags to per_task() config: x86_64-randconfig-c007 (https://download.01.org/0day-ci/archive/20220117/202201171545.dO2soyng-lkp@intel.com/config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c63a3175c2947e8c1a2d3bbe16a8586600705c54) 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/mingo/tip.git/commit/?id=762c0e5e35546dcaccb201e1e3dae69e34f7733b git remote add mingo-tip git://git.kernel.org/pub/scm/linux/kernel/git/mingo/tip.git git fetch --no-tags mingo-tip sched/headers git checkout 762c0e5e35546dcaccb201e1e3dae69e34f7733b # 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=x86_64 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 >>):
In file included from kernel/kcsan/core.c:25: >> kernel/kcsan/permissive.h:31:26: error: no member named 'flags' in 'struct task_struct' return ptr == ¤t->flags; ~~~~~~~ ^ 1 error generated.
vim +31 kernel/kcsan/permissive.h
49f72d5358dd3c Marco Elver 2021-06-07 18 49f72d5358dd3c Marco Elver 2021-06-07 19 /* 49f72d5358dd3c Marco Elver 2021-06-07 20 * Access ignore rules based on address. 49f72d5358dd3c Marco Elver 2021-06-07 21 */ 49f72d5358dd3c Marco Elver 2021-06-07 22 static __always_inline bool kcsan_ignore_address(const volatile void *ptr) 49f72d5358dd3c Marco Elver 2021-06-07 23 { 49f72d5358dd3c Marco Elver 2021-06-07 24 if (!IS_ENABLED(CONFIG_KCSAN_PERMISSIVE)) 49f72d5358dd3c Marco Elver 2021-06-07 25 return false; 49f72d5358dd3c Marco Elver 2021-06-07 26 d8fd74d35a8d3c Marco Elver 2021-06-07 27 /* d8fd74d35a8d3c Marco Elver 2021-06-07 28 * Data-racy bitops on current->flags are too common, ignore completely d8fd74d35a8d3c Marco Elver 2021-06-07 29 * for now. d8fd74d35a8d3c Marco Elver 2021-06-07 30 */ d8fd74d35a8d3c Marco Elver 2021-06-07 @31 return ptr == ¤t->flags; 49f72d5358dd3c Marco Elver 2021-06-07 32 } 49f72d5358dd3c Marco Elver 2021-06-07 33
:::::: The code at line 31 was first introduced by commit :::::: d8fd74d35a8d3c602232e3238e916bda9d03d520 kcsan: permissive: Ignore data-racy 1-bit value changes
:::::: TO: Marco Elver <elver@google.com> :::::: CC: Paul E. McKenney <paulmck@kernel.org>
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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