Re: [linux-next:master] BUILD REGRESSION e31185ce00a96232308300008db193416ceb9769

[Kees Cook <kees@xxxxxxxxxx>]

On February 22, 2024 8:29:28 PM PST, kernel test robot <lkp@xxxxxxxxx> wrote:
>tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
>branch HEAD: e31185ce00a96232308300008db193416ceb9769  Add linux-next specific files for 20240222
>
>Error/Warning reports:
>
>https://lore.kernel.org/oe-kbuild-all/202402222223.h9rFmYj4-lkp@xxxxxxxxx
>https://lore.kernel.org/oe-kbuild-all/202402222314.J6A7eb4B-lkp@xxxxxxxxx
>https://lore.kernel.org/oe-kbuild-all/202402230537.2s6Nhfsn-lkp@xxxxxxxxx
>
>Error/Warning: (recently discovered and may have been fixed)
>
>arch/arm/boot/compressed/misc.c:157:6: warning: no previous prototype for function '__fortify_panic' [-Wmissing-prototypes]
>arch/arm/boot/compressed/misc.h:13:36: error: macro "fortify_panic" requires 2 arguments, but only 1 given

This is fixed for the subsequent -next tree.

>arch/sh/boot/compressed/../../../../lib/decompress_unxz.c:350:(.text+0x20b4): undefined reference to `__ubsan_handle_out_of_bounds'
>sh4-linux-ld: arch/sh/boot/compressed/../../../../lib/xz/xz_dec_lzma2.c:751:(.text+0x904): undefined reference to `__ubsan_handle_out_of_bounds'

This is fixed here and is waiting to land:
https://lore.kernel.org/linux-hardening/20240130232717.work.088-kees@xxxxxxxxxx/

-Kees

-- 
Kees Cook