Re: [PATCH] net: fix uninitialized variable issue

[Eric Dumazet]

On Tue, 2015-12-15 at 10:46 -0800, Tadeusz Struk wrote:
> msg_iocb needs to be initialized on the recv/recvfrom path.
> Otherwise afalg will wrongly interpret it as an async call.
> 
> Cc: stable@xxxxxxxxxxxxxxx
> Reported-by: Harald Freudenberger <freude@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Tadeusz Struk <tadeusz.struk@xxxxxxxxx>
> ---
>  net/socket.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/net/socket.c b/net/socket.c
> index dd2c247..80ca820 100644
> --- a/net/socket.c
> +++ b/net/socket.c
> @@ -1702,6 +1702,7 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size,
>  	msg.msg_name = addr ? (struct sockaddr *)&address : NULL;
>  	/* We assume all kernel code knows the size of sockaddr_storage */
>  	msg.msg_namelen = 0;
> +	msg.msg_iocb = NULL;
>  	if (sock->file->f_flags & O_NONBLOCK)
>  		flags |= MSG_DONTWAIT;
>  	err = sock_recvmsg(sock, &msg, iov_iter_count(&msg.msg_iter), flags);
> 

Do not add "Cc: stable@xxxxxxxxxxxxxxx" for networking patches, thanks 
( Documentation/networking/netdev-FAQ.txt )

Do you know when was this bug added ?

Please add the 

Fixes:  12-digit-sha1 ("patch title")

Thanks.


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