This is a note to let you know that I've just added the patch titled IB/core: Namespace is mandatory input for address resolution to the 4.12-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-core-namespace-is-mandatory-input-for-address-resolution.patch and it can be found in the queue-4.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From bebb2a473a43c8f84a8210687d1cbdde503046d7 Mon Sep 17 00:00:00 2001 From: Moni Shoua <monis@xxxxxxxxxxxx> Date: Tue, 23 May 2017 10:48:44 +0300 Subject: IB/core: Namespace is mandatory input for address resolution From: Moni Shoua <monis@xxxxxxxxxxxx> commit bebb2a473a43c8f84a8210687d1cbdde503046d7 upstream. In function addr_resolve() the namespace is a required input parameter and not an output. It is passed later for searching the routing table and device addresses. Also, it shouldn't be copied back to the caller. Fixes: 565edd1d5555 ('IB/addr: Pass network namespace as a parameter') Signed-off-by: Moni Shoua <monis@xxxxxxxxxxxx> Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx> Signed-off-by: Doug Ledford <dledford@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/infiniband/core/addr.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -510,6 +510,11 @@ static int addr_resolve(struct sockaddr struct dst_entry *dst; int ret; + if (!addr->net) { + pr_warn_ratelimited("%s: missing namespace\n", __func__); + return -EINVAL; + } + if (src_in->sa_family == AF_INET) { struct rtable *rt = NULL; const struct sockaddr_in *dst_in4 = @@ -547,7 +552,6 @@ static int addr_resolve(struct sockaddr } addr->bound_dev_if = ndev->ifindex; - addr->net = dev_net(ndev); dev_put(ndev); return ret; Patches currently in stable-queue which might be from monis@xxxxxxxxxxxx are queue-4.12/ib-core-namespace-is-mandatory-input-for-address-resolution.patch