diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2014-03-26 13:05:44 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2014-04-01 14:19:09 +0200 |
| commit | 8c7de28305a514d7f879fdfc677ca11fbf60d2e9 (patch) | |
| tree | ad8088d9fa966d5b154d3883ecd2c91128f89372 /tests/qemu-iotests/080.out | |
| parent | 5dab2faddc8eaa1fb1abdbe2f502001fc13a1b21 (diff) | |
qcow2: Validate refcount table offset
The end of the refcount table must not exceed INT64_MAX so that integer
overflows are avoided.
Also check for misaligned refcount table. Such images are invalid and
probably the result of data corruption. Error out to avoid further
corruption.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'tests/qemu-iotests/080.out')
| -rw-r--r-- | tests/qemu-iotests/080.out | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tests/qemu-iotests/080.out b/tests/qemu-iotests/080.out index 6fef6d9892..f919b58d83 100644 --- a/tests/qemu-iotests/080.out +++ b/tests/qemu-iotests/080.out @@ -20,4 +20,14 @@ qemu-io: can't open device TEST_DIR/t.qcow2: Reference count table too large no file open, try 'help open' qemu-io: can't open device TEST_DIR/t.qcow2: Reference count table too large no file open, try 'help open' + +== Misaligned refcount table == +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 +qemu-io: can't open device TEST_DIR/t.qcow2: Invalid reference count table offset +no file open, try 'help open' + +== Huge refcount offset == +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 +qemu-io: can't open device TEST_DIR/t.qcow2: Invalid reference count table offset +no file open, try 'help open' *** done |