diff options
| author | Kevin Wolf <kwolf@redhat.com> | 2014-03-26 13:05:43 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2014-04-01 14:19:09 +0200 |
| commit | 5dab2faddc8eaa1fb1abdbe2f502001fc13a1b21 (patch) | |
| tree | 675dd5f26040c117c2f2fb040b5ea9dfb623ecf6 /tests/qemu-iotests/080.out | |
| parent | a1b3955c9415b1e767c130a2f59fee6aa28e575b (diff) | |
qcow2: Check refcount table size (CVE-2014-0144)
Limit the in-memory reference count table size to 8 MB, it's enough in
practice. This fixes an unbounded allocation as well as a buffer
overflow in qcow2_refcount_init().
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 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tests/qemu-iotests/080.out b/tests/qemu-iotests/080.out index 48c40aa3e2..6fef6d9892 100644 --- a/tests/qemu-iotests/080.out +++ b/tests/qemu-iotests/080.out @@ -13,4 +13,11 @@ qemu-io: can't open device TEST_DIR/t.qcow2: Invalid backing file offset no file open, try 'help open' qemu-io: can't open device TEST_DIR/t.qcow2: Header extension too large no file open, try 'help open' + +== Huge refcount table size == +Formatting 'TEST_DIR/t.IMGFMT', fmt=IMGFMT size=67108864 +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' *** done |