diff options
Diffstat (limited to 'tests/qemu-iotests/080')
| -rwxr-xr-x | tests/qemu-iotests/080 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/tests/qemu-iotests/080 b/tests/qemu-iotests/080 index f58ac736b7..8a8b460de4 100755 --- a/tests/qemu-iotests/080 +++ b/tests/qemu-iotests/080 @@ -47,6 +47,8 @@ header_size=104 offset_backing_file_offset=8 offset_refcount_table_offset=48 offset_refcount_table_clusters=56 +offset_nb_snapshots=60 +offset_snapshots_offset=64 offset_header_size=100 offset_ext_magic=$header_size offset_ext_size=$((header_size + 4)) @@ -90,6 +92,31 @@ poke_file "$TEST_IMG" "$offset_refcount_table_offset" "\xff\xff\xff\xff\xff\xff\ poke_file "$TEST_IMG" "$offset_refcount_table_clusters" "\x00\x00\x00\x7f" { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir +echo +echo "== Invalid snapshot table ==" +_make_test_img 64M +poke_file "$TEST_IMG" "$offset_nb_snapshots" "\xff\xff\xff\xff" +{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir +poke_file "$TEST_IMG" "$offset_nb_snapshots" "\x7f\xff\xff\xff" +{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir + +poke_file "$TEST_IMG" "$offset_snapshots_offset" "\xff\xff\xff\xff\xff\xff\x00\x00" +poke_file "$TEST_IMG" "$offset_nb_snapshots" "\x00\x00\xff\xff" +{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir + +poke_file "$TEST_IMG" "$offset_snapshots_offset" "\x12\x34\x56\x78\x90\xab\xcd\xef" +poke_file "$TEST_IMG" "$offset_nb_snapshots" "\x00\x00\x00\x00" +{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir + +echo +echo "== Hitting snapshot table size limit ==" +_make_test_img 64M +# Put the refcount table in a more or less safe place (16 MB) +poke_file "$TEST_IMG" "$offset_snapshots_offset" "\x00\x00\x00\x00\x01\x00\x00\x00" +poke_file "$TEST_IMG" "$offset_nb_snapshots" "\x00\x01\x00\x00" +{ $QEMU_IMG snapshot -c test $TEST_IMG; } 2>&1 | _filter_testdir +{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir + # success, all done echo "*** done" rm -f $seq.full |