Re: [PATCH 0/2] statfs: Enforce statfs[64] structure intialization

[Heiko Carstens]

On Thu, May 04, 2023 at 04:40:19PM +0200, Ilya Leoshkevich wrote:
> This series fixes copying of uninitialized memory to userspace by
> do_statfs_native() and do_statfs64() on s390.
> 
> Patch 1 fixes the problem by making the code similar to
> put_compat_statfs() and put_compat_statfs64().
> 
> Patch 2 gets rid of the padding which caused the issue; even though it
> may be considered redundant, it documents that s390 de-facto has an
> extra f_spare array element.
> 
> Ilya Leoshkevich (2):
>   statfs: Enforce statfs[64] structure intialization
>   s390/uapi: Cover statfs padding by growing f_spare
> 
>  arch/s390/include/asm/compat.h      | 2 +-
>  arch/s390/include/uapi/asm/statfs.h | 4 ++--
>  fs/statfs.c                         | 4 ++--
>  3 files changed, 5 insertions(+), 5 deletions(-)

Al, Andrew, should this go via the s390 tree?