tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 29e400e3ea486bf942b214769fc9778098114113 commit: 0e2bdaccb10a440a7a451343e8347d29a874b58e [5187/6333] Bluetooth: hci_core: Fix build warnings config: alpha-randconfig-r011-20220512 (https://download.01.org/0day-ci/archive/20230919/202309191804.VDlimbHj-lkp@xxxxxxxxx/config) compiler: alpha-linux-gcc (GCC) 11.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230919/202309191804.VDlimbHj-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202309191804.VDlimbHj-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/linux/string.h:20, from include/linux/bitmap.h:11, from include/linux/cpumask.h:12, from include/linux/smp.h:13, from include/linux/lockdep.h:14, from include/linux/spinlock.h:63, from include/linux/wait.h:9, from include/linux/poll.h:8, from include/net/bluetooth/bluetooth.h:29, from net/bluetooth/hci_event.c:30: In function 'hci_cc_read_class_of_dev', inlined from 'hci_cc_read_class_of_dev' at net/bluetooth/hci_event.c:511:11: >> arch/alpha/include/asm/string.h:22:16: warning: '__builtin_memcpy' offset [0, 2] is out of the bounds [0, 0] [-Warray-bounds] 22 | #define memcpy __builtin_memcpy net/bluetooth/hci_event.c:521:9: note: in expansion of macro 'memcpy' 521 | memcpy(hdev->dev_class, rp->dev_class, 3); | ^~~~~~ vim +/__builtin_memcpy +22 arch/alpha/include/asm/string.h ^1da177e4c3f41 include/asm-alpha/string.h Linus Torvalds 2005-04-16 21 ^1da177e4c3f41 include/asm-alpha/string.h Linus Torvalds 2005-04-16 @22 #define memcpy __builtin_memcpy ^1da177e4c3f41 include/asm-alpha/string.h Linus Torvalds 2005-04-16 23 :::::: The code at line 22 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2 :::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
