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overlay/065: Adapt test to relaxed rules

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Kernel commit 708fa01597fa ("ovl: allow upperdir inside lowerdir")
changes the rules w.r.t allowed overlayfs configurations, so the
upperdir/lowerdir test that expects an error fails.

Adapt the test to check the configuration that is still not allowed
(lowerdir inside upperdir), which had no test coverage.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
This commit is contained in:
Amir Goldstein
2021-04-26 19:01:43 +03:00
committed by Eryu Guan
parent 69db2233f3
commit 6159ae7faf
1 changed files with 3 additions and 2 deletions
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tests/overlay/065
+3 -2
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@@ -85,11 +85,12 @@ _overlay_scratch_mount_dirs $workdir $upperdir $workdir \
$UMOUNT_PROG $SCRATCH_MNT 2>/dev/null
rm -rf $upperdir $workdir
mkdir $upperdir $workdir
mkdir -p $upperdir/lower $workdir
# Try to mount an overlay with overlapping upperdir/lowerdir - expect ELOOP
# upperdir inside lowerdir is allowed, lowerdir inside upperdir is not allowed
echo Overlapping upperdir/lowerdir
_overlay_scratch_mount_dirs $basedir $upperdir $workdir \
_overlay_scratch_mount_dirs $upperdir/lower $upperdir $workdir \
2>&1 | _filter_error_mount
$UMOUNT_PROG $SCRATCH_MNT 2>/dev/null