| commit | 725fe5d10dbd4259b1853b7d253cef83a3c0d22a | |
| author | Li Hangjing <lihangjing@baidu.com> | |
| Mon, 16 Dec 2019 02:30:50 +0000 (16 10:30 +0800) | ||
| committer | Stefan Hajnoczi <stefanha@redhat.com> | |
| Thu, 19 Dec 2019 16:20:25 +0000 (19 16:20 +0000) | ||
| tree | 56ed8920d017771de4acea80e07f186c546ffe5e | treesnapshot (tar.gz zip) |
| parent | f21673c35e0a49e66e228825a9ea3e81a9947eed | commitdiff |
virtio-blk: fix out-of-bounds access to bitmap in notify_guest_bh
When the number of a virtio-blk device's virtqueues is larger than
BITS_PER_LONG, the out-of-bounds access to bitmap[ ] will occur.
Fixes: e21737ab15 ("virtio-blk: multiqueue batch notify")
Cc: qemu-stable@nongnu.org
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Li Hangjing <lihangjing@baidu.com>
Reviewed-by: Xie Yongji <xieyongji@baidu.com>
Reviewed-by: Chai Wen <chaiwen@baidu.com>
Message-id: 20191216023050.48620-1-lihangjing@baidu.com
Message-Id: <20191216023050.48620-1-lihangjing@baidu.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
When the number of a virtio-blk device's virtqueues is larger than
BITS_PER_LONG, the out-of-bounds access to bitmap[ ] will occur.
Fixes: e21737ab15 ("virtio-blk: multiqueue batch notify")
Cc: qemu-stable@nongnu.org
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Li Hangjing <lihangjing@baidu.com>
Reviewed-by: Xie Yongji <xieyongji@baidu.com>
Reviewed-by: Chai Wen <chaiwen@baidu.com>
Message-id: 20191216023050.48620-1-lihangjing@baidu.com
Message-Id: <20191216023050.48620-1-lihangjing@baidu.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
| hw/block/dataplane/virtio-blk.c | diffblobblamehistory |