Messages in this thread Patch in this message | | | From | "Andrea Parri (Microsoft)" <> | Subject | [RFC PATCH 4/6] hv_sock: Initialize send_buf in hvs_stream_enqueue() | Date | Wed, 13 Apr 2022 22:47:40 +0200 |
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So that padding or uninitialized bytes can't leak guest memory contents.
Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com> --- net/vmw_vsock/hyperv_transport.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c index 092cadc2c866d..72ce00928c8e7 100644 --- a/net/vmw_vsock/hyperv_transport.c +++ b/net/vmw_vsock/hyperv_transport.c @@ -655,7 +655,7 @@ static ssize_t hvs_stream_enqueue(struct vsock_sock *vsk, struct msghdr *msg, BUILD_BUG_ON(sizeof(*send_buf) != HV_HYP_PAGE_SIZE); - send_buf = kmalloc(sizeof(*send_buf), GFP_KERNEL); + send_buf = kzalloc(sizeof(*send_buf), GFP_KERNEL); if (!send_buf) return -ENOMEM; -- 2.25.1
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