From: Eric Biggers <ebiggers@xxxxxxxxxx>
We can improve test coverage and simplify the test_dummy_encryption
kernel logic by requiring userspace to add a default master key to the
keyring. Update xfstests-bld to do this. This allows xfstests-bld to
test kernels with the corresponding kernel patch applied ("fscrypt: make
test_dummy_encryption require a keyring key"). It can still test older
kernels too; the key just doesn't get used in that case.
Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
---
kvm-xfstests/test-appliance/files/root/fs/ext4/config | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/kvm-xfstests/test-appliance/files/root/fs/ext4/config b/kvm-xfstests/test-appliance/files/root/fs/ext4/config
index 66d2633..23e869c 100644
--- a/kvm-xfstests/test-appliance/files/root/fs/ext4/config
+++ b/kvm-xfstests/test-appliance/files/root/fs/ext4/config
@@ -36,6 +36,19 @@ function setup_mount_opts()
if test -n "$MNTOPTS" ; then
EXT_MOUNT_OPTIONS="$EXT_MOUNT_OPTIONS,$MNTOPTS"
fi
+ if echo "$EXT_MOUNT_OPTIONS" | grep -q test_dummy_encryption; then
+ # Create a new session keyring and add a default master key to it.
+ keyctl new_session > /dev/null
+ local mode='\x00\x00\x00\x00'
+ local raw="$(printf '\\x%02x' $(seq 0 63))"
+ if lscpu | grep -q '^Byte Order:[[:space:]]\+Little Endian$'; then
+ local size='\x40\x00\x00\x00'
+ else
+ local size='\x00\x00\x00\x40'
+ fi
+ echo -n -e "${mode}${raw}${size}" | \
+ keyctl padd logon ext4:4242424242424242 @s > /dev/null
+ fi
}
function get_mkfs_opts()
--
2.11.0.483.g087da7b7c-goog
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