Messages in this thread | | | Date | Thu, 15 Aug 2019 14:43:06 +0200 | From | Greg KH <> | Subject | Re: warning: ‘memset’ offset [197, 448] from the object at ‘boot par ams’ is out of the bounds of referenced subobject =?utf-8?B?4oCYZXh0X3JhbWRpc2tfaW1hZ2XigJkgd2l0aCB0eXBlLCDigJh1bnN |
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On Tue, Aug 13, 2019 at 06:15:51PM +0200, Paul Menzel wrote: > Dear Linux folks, > > > No idea, if you are interested in these reports. Building Linux 5.3-rc4, > GCC 9.2.0 shows the warning below. > > ``` > 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 ‘unsig > ned char’ at offset 491 [-Warray-bounds] > 43 | memset(&boot_params->kbd_status, 0, > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > 44 | (char *)&boot_params->hdr - > | ~~~~~~~~~~~~~~~~~~~~~~~~~~~ > 45 | (char *)&boot_params->kbd_status); > | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > ```
Yeah, it shows up on my builds as well :(
Any chance you can make a fix for this?
thanks,
greg k-h
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