Hi Luiz, I love your patch! Perhaps something to improve: [auto build test WARNING on bluetooth-next/master] [also build test WARNING on bluetooth/master linus/master v5.19 next-20220728] [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/Luiz-Augusto-von-Dentz/Bluetooth-L2CAP-Fix-l2cap_global_chan_by_psm-regression/20220802-050647 base: https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git master config: parisc-randconfig-r024-20220801 (https://download.01.org/0day-ci/archive/20220802/202208020648.fs6gb987-lkp@xxxxxxxxx/config) compiler: hppa-linux-gcc (GCC) 12.1.0 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://github.com/intel-lab-lkp/linux/commit/075988314335917c0e43d00f6a3a8ef68963b3de git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Luiz-Augusto-von-Dentz/Bluetooth-L2CAP-Fix-l2cap_global_chan_by_psm-regression/20220802-050647 git checkout 075988314335917c0e43d00f6a3a8ef68963b3de # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=parisc SHELL=/bin/bash net/bluetooth/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): In file included from net/bluetooth/l2cap_core.c:37: In function 'bacmp', inlined from 'l2cap_global_chan_by_psm' at net/bluetooth/l2cap_core.c:2003:15: >> include/net/bluetooth/bluetooth.h:347:16: warning: 'memcmp' specified bound 6 exceeds source size 0 [-Wstringop-overread] 347 | return memcmp(ba1, ba2, sizeof(bdaddr_t)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/memcmp +347 include/net/bluetooth/bluetooth.h ^1da177e4c3f41 Linus Torvalds 2005-04-16 343 ^1da177e4c3f41 Linus Torvalds 2005-04-16 344 /* Copy, swap, convert BD Address */ f53c20e93612f7 David Herrmann 2013-04-06 345 static inline int bacmp(const bdaddr_t *ba1, const bdaddr_t *ba2) ^1da177e4c3f41 Linus Torvalds 2005-04-16 346 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 @347 return memcmp(ba1, ba2, sizeof(bdaddr_t)); ^1da177e4c3f41 Linus Torvalds 2005-04-16 348 } f53c20e93612f7 David Herrmann 2013-04-06 349 static inline void bacpy(bdaddr_t *dst, const bdaddr_t *src) ^1da177e4c3f41 Linus Torvalds 2005-04-16 350 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 351 memcpy(dst, src, sizeof(bdaddr_t)); ^1da177e4c3f41 Linus Torvalds 2005-04-16 352 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 353 -- 0-DAY CI Kernel Test Service https://01.org/lkp
