tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 1e2a199f6ccdc15cf111d68d212e2fd4ce65682e commit: 33e56a59e64dfb68778e5da0be13f0c47dc5d445 string.h: add FORTIFY coverage for strscpy() date: 5 weeks ago config: x86_64-randconfig-s1-20200416 (attached as .config) compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=33e56a59e64dfb68778e5da0be13f0c47dc5d445 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 33e56a59e64dfb68778e5da0be13f0c47dc5d445 # save the attached .config to linux build tree make W=1 ARCH=x86_64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/media/dvb-frontends/rtl2832_sdr.o: warning: objtool: rtl2832_sdr_s_fmt_sdr_cap() falls through to next function rtl2832_sdr_querycap.cold() drivers/media/dvb-frontends/rtl2832_sdr.o: warning: objtool: rtl2832_sdr_try_fmt_sdr_cap() falls through to next function rtl2832_sdr_start_streaming.cold() --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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