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-rwxr-xr-xtests/qemu-iotests/08010
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/qemu-iotests/080 b/tests/qemu-iotests/080
index 6d588ddd12..6179e0519f 100755
--- a/tests/qemu-iotests/080
+++ b/tests/qemu-iotests/080
@@ -45,6 +45,7 @@ _supported_os Linux
header_size=104
offset_backing_file_offset=8
+offset_refcount_table_clusters=56
offset_header_size=100
offset_ext_magic=$header_size
offset_ext_size=$((header_size + 4))
@@ -67,6 +68,15 @@ poke_file "$TEST_IMG" "$offset_ext_size" "\x7f\xff\xff\xff"
poke_file "$TEST_IMG" "$offset_backing_file_offset" "\x00\x00\x00\x00\x00\x00\x00\x00"
{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
+echo
+echo "== Huge refcount table size =="
+_make_test_img 64M
+poke_file "$TEST_IMG" "$offset_refcount_table_clusters" "\xff\xff\xff\xff"
+{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
+poke_file "$TEST_IMG" "$offset_refcount_table_clusters" "\x00\x02\x00\x01"
+{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir
+
+
# success, all done
echo "*** done"
rm -f $seq.full