Messages in this thread | | | Date | Sun, 17 Apr 2022 07:26:33 +0800 | From | kernel test robot <> | Subject | [kees:for-next/lkdtm 6/6] drivers/misc/lkdtm/cfi.c:62:37: warning: cast from pointer to integer of different size |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/lkdtm head: 2e53b877dc1258d4ac3de98f496bb88ec3bf5e25 commit: 2e53b877dc1258d4ac3de98f496bb88ec3bf5e25 [6/6] lkdtm: Add CFI_BACKWARD to test ROP mitigations config: sparc-randconfig-r026-20220417 (https://download.01.org/0day-ci/archive/20220417/202204170710.LwCV5Ec0-lkp@intel.com/config) compiler: sparc-linux-gcc (GCC) 11.2.0 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/kees/linux.git/commit/?id=2e53b877dc1258d4ac3de98f496bb88ec3bf5e25 git remote add kees https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git git fetch --no-tags kees for-next/lkdtm git checkout 2e53b877dc1258d4ac3de98f496bb88ec3bf5e25 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sparc SHELL=/bin/bash drivers/misc/lkdtm/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/misc/lkdtm/cfi.c: In function 'set_return_addr_unchecked': >> drivers/misc/lkdtm/cfi.c:62:37: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 62 | ((__force __typeof__(addr))((__force u64)(addr) | PAGE_OFFSET)) | ^ drivers/misc/lkdtm/cfi.c:72:13: note: in expansion of macro 'no_pac_addr' 72 | if (no_pac_addr(*ret_addr) == expected) | ^~~~~~~~~~~ >> drivers/misc/lkdtm/cfi.c:62:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 62 | ((__force __typeof__(addr))((__force u64)(addr) | PAGE_OFFSET)) | ^ drivers/misc/lkdtm/cfi.c:72:13: note: in expansion of macro 'no_pac_addr' 72 | if (no_pac_addr(*ret_addr) == expected) | ^~~~~~~~~~~ drivers/misc/lkdtm/cfi.c: In function 'set_return_addr': >> drivers/misc/lkdtm/cfi.c:62:37: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 62 | ((__force __typeof__(addr))((__force u64)(addr) | PAGE_OFFSET)) | ^ drivers/misc/lkdtm/cfi.c:87:13: note: in expansion of macro 'no_pac_addr' 87 | if (no_pac_addr(*ret_addr) == expected) | ^~~~~~~~~~~ >> drivers/misc/lkdtm/cfi.c:62:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] 62 | ((__force __typeof__(addr))((__force u64)(addr) | PAGE_OFFSET)) | ^ drivers/misc/lkdtm/cfi.c:87:13: note: in expansion of macro 'no_pac_addr' 87 | if (no_pac_addr(*ret_addr) == expected) | ^~~~~~~~~~~
vim +62 drivers/misc/lkdtm/cfi.c
60 61 #define no_pac_addr(addr) \ > 62 ((__force __typeof__(addr))((__force u64)(addr) | PAGE_OFFSET)) 63
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