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From: Xie He <xie.he.0141@gmail.com>
To: Martin Schiller <ms@dev.tdt.de>
Cc: andrew.hendry@gmail.com, davem@davemloft.net, kuba@kernel.org,
	edumazet@google.com, xiyuyang19@fudan.edu.cn,
	linux-x25@vger.kernel.org, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, Xie He <xie.he.0141@gmail.com>
Subject: Re: [RESEND PATCH v2] net/x25: Fix null-ptr-deref in x25_connect
Date: Wed, 11 Nov 2020 03:59:47 -0800	[thread overview]
Message-ID: <20201111115947.3498-1-xie.he.0141@gmail.com> (raw)
In-Reply-To: <20201109065449.9014-1-ms@dev.tdt.de>

> @@ -825,7 +825,7 @@  static int x25_connect(struct socket *sock, struct sockaddr *uaddr,
>  	sock->state = SS_CONNECTED;
>  	rc = 0;
>  out_put_neigh:
> -	if (rc) {
> +	if (rc && x25->neighbour) {
>  		read_lock_bh(&x25_list_lock);
>  		x25_neigh_put(x25->neighbour);
>  		x25->neighbour = NULL;

Thanks! It's amazing to see we are trying to fix the same issue.

Reviewed-by: Xie He <xie.he.0141@gmail.com>


  parent reply	other threads:[~2020-11-11 12:00 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-09  6:54 Martin Schiller
2020-11-11 11:38 ` Xie He
2020-11-11 11:59 ` Xie He [this message]
2020-11-11 22:57   ` Jakub Kicinski

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