Re: [PATCH] fuse: Set iov_len to sizeof(int) for FS_IOC_GETFLAGS and FS_IOC_SETFLAGS ioctls

[Miklos Szeredi <miklos@xxxxxxxxxx>]

On Wed, 10 Jul 2024 at 12:10, Ratna Manoj Bolla <manoj.br@xxxxxxxxx> wrote:
>
> Hi,
> User programs are passing integer pointers as argument to these ioctls.
> Many filesystems(xfs, ext) honour this to prevent corrupting the other four bytes.
>
> This was discussed in the fsdevel mailing list with subject "Argument type for FS_IOC_GETFLAGS/FS_IOC_SETFLAGS ioctls"
>
> Please see if we can be compatible by breaking correctness.

I don't get it, FS_IOC_[GS]ETFLAGS is handled by the VFS since forever
(v5.13 to be precise).

Thanks,
Miklos