diff options
| author | Fam Zheng <famz@redhat.com> | 2013-08-06 15:44:52 +0800 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2013-08-06 15:27:32 +0200 |
| commit | f8ce04036e333aae480b1d06d969f6436652633d (patch) | |
| tree | 983d5655f119ef0995ae0bdcd350b4fcb1ab4071 /tests/qemu-iotests | |
| parent | 8aa1331c09a9b899f48d97f097bb49b7d458be1c (diff) | |
vmdk: check l2 table size when opening
header.num_gtes_per_gte determines size for L2 table. Check for too big
value before using it. Limit to 512M entries (2GB per one L2 table).
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'tests/qemu-iotests')
| -rwxr-xr-x | tests/qemu-iotests/059 | 7 | ||||
| -rw-r--r-- | tests/qemu-iotests/059.out | 6 |
2 files changed, 13 insertions, 0 deletions
diff --git a/tests/qemu-iotests/059 b/tests/qemu-iotests/059 index 9545e82bc2..301eacaf7e 100755 --- a/tests/qemu-iotests/059 +++ b/tests/qemu-iotests/059 @@ -44,6 +44,7 @@ _supported_proto generic _supported_os Linux granularity_offset=20 +grain_table_size_offset=44 echo "=== Testing invalid granularity ===" echo @@ -51,6 +52,12 @@ _make_test_img 64M poke_file "$TEST_IMG" "$granularity_offset" "\xff\xff\xff\xff\xff\xff\xff\xff" { $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir +echo "=== Testing too big L2 table size ===" +echo +_make_test_img 64M +poke_file "$TEST_IMG" "$grain_table_size_offset" "\xff\xff\xff\xff" +{ $QEMU_IO -c "read 0 512" $TEST_IMG; } 2>&1 | _filter_qemu_io | _filter_testdir + # success, all done echo "*** done" rm -f $seq.full diff --git a/tests/qemu-iotests/059.out b/tests/qemu-iotests/059.out index 380ca3d943..583955fc7d 100644 --- a/tests/qemu-iotests/059.out +++ b/tests/qemu-iotests/059.out @@ -5,4 +5,10 @@ Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 invalid granularity, image may be corrupt qemu-io: can't open device TEST_DIR/t.vmdk no file open, try 'help open' +=== Testing too big L2 table size === + +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 +L2 table size too big +qemu-io: can't open device TEST_DIR/t.vmdk +no file open, try 'help open' *** done |