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| author | Fam Zheng <famz@redhat.com> | 2013-08-06 15:44:51 +0800 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2013-08-06 15:27:32 +0200 |
| commit | 8aa1331c09a9b899f48d97f097bb49b7d458be1c (patch) | |
| tree | de7c81ae02697f839077c7f997030493d1fbd6f6 /tests | |
| parent | ca6cbb657d66a7beb70f9d91848c80d1a72b1674 (diff) | |
| download | qemu-8aa1331c09a9b899f48d97f097bb49b7d458be1c.tar.gz qemu-8aa1331c09a9b899f48d97f097bb49b7d458be1c.tar.bz2 qemu-8aa1331c09a9b899f48d97f097bb49b7d458be1c.zip | |
vmdk: check granularity field in opening
Granularity is used to calculate the cluster size and allocate r/w
buffer. Check the value from image before using it, so we don't abort()
for unbounded memory allocation.
Signed-off-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'tests')
| -rwxr-xr-x | tests/qemu-iotests/059 | 8 | ||||
| -rw-r--r-- | tests/qemu-iotests/059.out | 6 |
2 files changed, 13 insertions, 1 deletions
diff --git a/tests/qemu-iotests/059 b/tests/qemu-iotests/059 index 9dc7f64d79..9545e82bc2 100755 --- a/tests/qemu-iotests/059 +++ b/tests/qemu-iotests/059 @@ -43,7 +43,13 @@ _supported_fmt vmdk _supported_proto generic _supported_os Linux -granularity_offset=16 +granularity_offset=20 + +echo "=== Testing invalid granularity ===" +echo +_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 # success, all done echo "*** done" diff --git a/tests/qemu-iotests/059.out b/tests/qemu-iotests/059.out index 4ca7f29722..380ca3d943 100644 --- a/tests/qemu-iotests/059.out +++ b/tests/qemu-iotests/059.out @@ -1,2 +1,8 @@ QA output created by 059 +=== Testing invalid granularity === + +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' *** done |