On Thu, Oct 19, 2023 at 05:32:05PM +0200, Heiko Carstens wrote: > On Thu, Oct 19, 2023 at 04:07:35AM +0800, kernel test robot wrote: > > arch/s390/include/asm/ctlreg.h:129:9: warning: array subscript 0 is outside array bounds of 'struct ctlreg[0]' [-Warray-bounds=] > > arch/s390/include/asm/ctlreg.h:80:9: warning: array subscript 0 is outside array bounds of 'struct ctlreg[0]' [-Warray-bounds=] > ... > > |-- s390-defconfig > > | `-- arch-s390-include-asm-ctlreg.h:warning:array-subscript-is-outside-array-bounds-of-struct-ctlreg > ... > > s390 defconfig gcc > > I'm wondering how this warning can appear in the builds. array-bounds > warnings are explicitly disabled, see init/Kconfig: CC_NO_ARRAY_BOUNDS. And > as expected, if I compile the kernel with gcc, defconfig, and with or > without W=1 the option -Wno-array-bounds is passed to the compiler. > > And also as expected I do not see the above warnings. > > So something is quite odd here. Sorry about this Heiko, this is a bug in the bot that it wrongly ignores the CC_NO_ARRAY_BOUNDS config and always test with -Warray-bounds. We will fix this asap. >
