lkml.org 
[lkml]   [2019]   [Aug]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: warning: ‘memset’ offset [197, 448] from the object at ‘boot par ams’ is out of the bounds of referenced subobject =?utf-8?B?4oCYZXh0X3JhbWRpc2tfaW1hZ2XigJkgd2l0aCB0eXBlLCDigJh1bnN
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

\
 
 \ /
  Last update: 2019-08-15 14:45    [W:0.074 / U:0.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site