diff options
| author | Xie Yongji <xieyongji@bytedance.com> | 2021-05-25 20:56:22 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-20 16:22:43 +0200 |
| commit | 187f14fb88a9e62d55924748a274816fe6f34de6 (patch) | |
| tree | f0c1455787e74359c2a60d8583409dcb655f458a /tools/perf/scripts/python/failed-syscalls-by-pid.py | |
| parent | 381bde79d11e596002edfd914e6714291826967a (diff) | |
virtio_console: Assure used length from device is limited
[ Upstream commit d00d8da5869a2608e97cfede094dfc5e11462a46 ]
The buf->len might come from an untrusted device. This
ensures the value would not exceed the size of the buffer
to avoid data corruption or loss.
Signed-off-by: Xie Yongji <xieyongji@bytedance.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210525125622.1203-1-xieyongji@bytedance.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/failed-syscalls-by-pid.py')
0 files changed, 0 insertions, 0 deletions