Re: linux-next: build failure after merge of the execve tree

From: Kees Cook
Date: Tue Oct 03 2023 - 22:50:46 EST


On Tue, Oct 03, 2023 at 01:35:22PM +1100, Stephen Rothwell wrote:
> Hi all,
>
> After merging the execve tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
>
> fs/binfmt_elf.c: In function 'load_elf_library':
> fs/binfmt_elf.c:1323:37: error: unused variable 'len' [-Werror=unused-variable]
> 1323 | unsigned long elf_bss, bss, len;
> | ^~~
> fs/binfmt_elf.c:1323:32: error: unused variable 'bss' [-Werror=unused-variable]
> 1323 | unsigned long elf_bss, bss, len;
> | ^~~
> fs/binfmt_elf.c:1323:23: error: unused variable 'elf_bss' [-Werror=unused-variable]
> 1323 | unsigned long elf_bss, bss, len;
> | ^~~~~~~
> cc1: all warnings being treated as errors
>
> Caused by commit
>
> f2a1e5fab9ae ("binfmt_elf: Use elf_load() for library")
>
> I have used the execve tree from next-20230929 for today.

Whoops! Fixed now. Thanks. :)

--
Kees Cook