On Wed, Aug 4, 2021 at 3:08 PM Ondrej Mosnacek <omosnace@xxxxxxxxxx> wrote:
> BTRFS doesn't support the FIBMAP ioctl, which is used to test
> CAP_SYS_RAWIO. It is already disabled for NFS, so disable that test also
> on BTRFS.
>
> Fedora 35 cloud images already have BTRFS volumes instead of ext4 and
> this patch is needed to make the testsuite pass there.
>
> Signed-off-by: Ondrej Mosnacek <omosnace@xxxxxxxxxx>
> ---
> tests/capable_sys/test | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/tests/capable_sys/test b/tests/capable_sys/test
> index cd50ebc..a72616d 100755
> --- a/tests/capable_sys/test
> +++ b/tests/capable_sys/test
> @@ -9,10 +9,11 @@ BEGIN {
> $basedir = $0;
> $basedir =~ s|(.*)/[^/]*|$1|;
>
> - $isnfs = `stat -f --print %T $basedir`;
> + $fs = `stat -f --print %T $basedir`;
> + $test_fibmap = $fs ne "btrfs" and $fs ne "nfs";
>
> $test_count = 7;
> - if ( $isnfs ne "nfs" ) {
> + if ($test_fibmap) {
> $test_count += 1;
> }
>
> @@ -26,7 +27,7 @@ system "rm -f $basedir/temp_file 2>&1";
> # Tests for the good domain.
> #
>
> -if ( $isnfs ne "nfs" ) {
> +if ($test_fibmap) {
>
> # CAP_SYS_RAWIO
> system "touch $basedir/temp_file 2>&1";
> --
> 2.31.1
>
This patch is now merged with minor modification - the logical
expression in tests/capable_sys had to be parenthesized because of
Perl bogosity (https://www.perlmonks.org/?node_id=734436).
https://github.com/SELinuxProject/selinux-testsuite/commit/4ed5d11312d673203d93dafbcdad441c3afc36f9
--
Ondrej Mosnacek
Software Engineer, Linux Security - SELinux kernel
Red Hat, Inc.
