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| author |   Stefan Hajnoczi <stefanha@redhat.com> | 2017-11-09 13:29:10 +0000 |
|---|---|---|
| committer |   Michael S. Tsirkin <mst@redhat.com> | 2017-11-14 23:57:40 +0200 |
| commit | a72b69dc083a931422cc8a5e33841aff7d5312f2 (patch) | |
| tree | ddc2e24355087e2f72179b4b6e01cd27d415f974 /drivers/vhost | |
| parent | vhost: fix end of range for access_ok (diff) | |
| download | linux-dev-a72b69dc083a931422cc8a5e33841aff7d5312f2.tar.xz linux-dev-a72b69dc083a931422cc8a5e33841aff7d5312f2.zip | |
vhost/vsock: fix uninitialized vhost_vsock->guest_cid
The vhost_vsock->guest_cid field is uninitialized when /dev/vhost-vsock
is opened until the VHOST_VSOCK_SET_GUEST_CID ioctl is called.
kvmalloc(..., GFP_KERNEL | __GFP_RETRY_MAYFAIL) does not zero memory.
All other vhost_vsock fields are initialized explicitly so just
initialize this field too.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vhost')
| -rw-r--r-- | drivers/vhost/vsock.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index c9de9c41aa97..5a5e981bd8e4 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -518,6 +518,8 @@ static int vhost_vsock_dev_open(struct inode *inode, struct file *file) goto out; } + vsock->guest_cid = 0; /* no CID assigned yet */ + atomic_set(&vsock->queued_replies, 0); vqs[VSOCK_VQ_TX] = &vsock->vqs[VSOCK_VQ_TX]; |