This is a note to let you know that I've just added the patch titled IB/IWPM: Fix a potential skb leak to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ib-iwpm-fix-a-potential-skb-leak.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 5ed935e861a4cbf2158ad3386d6d26edd60d2658 Mon Sep 17 00:00:00 2001 From: Mark Bloch <markb@xxxxxxxxxxxx> Date: Fri, 6 May 2016 22:45:24 +0300 Subject: IB/IWPM: Fix a potential skb leak From: Mark Bloch <markb@xxxxxxxxxxxx> commit 5ed935e861a4cbf2158ad3386d6d26edd60d2658 upstream. In case ibnl_put_msg fails in send_nlmsg_done, the function returns with -ENOMEM without freeing. This patch fixes this behavior. Fixes: 30dc5e63d6a5 ("RDMA/core: Add support for iWARP Port Mapper user space service") Signed-off-by: Mark Bloch <markb@xxxxxxxxxxxx> Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxxxx> Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx> Reviewed-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx> Signed-off-by: Doug Ledford <dledford@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/infiniband/core/iwpm_util.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/infiniband/core/iwpm_util.c +++ b/drivers/infiniband/core/iwpm_util.c @@ -634,6 +634,7 @@ static int send_nlmsg_done(struct sk_buf if (!(ibnl_put_msg(skb, &nlh, 0, 0, nl_client, RDMA_NL_IWPM_MAPINFO, NLM_F_MULTI))) { pr_warn("%s Unable to put NLMSG_DONE\n", __func__); + dev_kfree_skb(skb); return -ENOMEM; } nlh->nlmsg_type = NLMSG_DONE; Patches currently in stable-queue which might be from markb@xxxxxxxxxxxx are queue-4.4/ib-iwpm-fix-a-potential-skb-leak.patch queue-4.4/ib-sa-use-correct-free-function.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html