On 09.07.19 08:06, Chris Clayton wrote: Hi,
> I've pulled Linus' tree this morning and, after running 'make oldconfig', > tried a build. During that build I got the > following warnings, which look to me like they should be fixed. 'git > describe' shows v5.2-915-g5ad18b2e60b7 and my > compiler is the 20190706 snapshot of gcc 9. Thanks for the report. I'm rebuilding right know anyways, so I'll look out for it. > In file included from arch/x86/kernel/head64.c:35: > In function 'sanitize_boot_params', > inlined from 'copy_bootdata' at arch/x86/kernel/head64.c:391:2: > ./arch/x86/include/asm/bootparam_utils.h:40:3: warning: 'memset' offset [197, > 448] from the object at 'boot_params' is > out of the bounds of referenced subobject 'ext_ramdisk_image' with type > 'unsigned int' at offset 192 [-Warray-bounds] > 40 | memset(&boot_params->ext_ramdisk_image, 0, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > 41 | (char *)&boot_params->efi_info - > | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > 42 | (char *)&boot_params->ext_ramdisk_image); > | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > ./arch/x86/include/asm/bootparam_utils.h:43:3: warning: 'memset' offset [493, > 497] from the object at 'boot_params' is > out of the bounds of referenced subobject 'kbd_status' with type 'unsigned > char' at offset 491 [-Warray-bounds] > 43 | memset(&boot_params->kbd_status, 0, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > 44 | (char *)&boot_params->hdr - > | ~~~~~~~~~~~~~~~~~~~~~~~~~~~ > 45 | (char *)&boot_params->kbd_status); > | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Can you check older versions, too ? Maybe also trying older gcc ? --mtx -- Enrico Weigelt, metux IT consult Free software and Linux embedded engineering i...@metux.net -- +49-151-27565287