This is a note to let you know that I've just added the patch titled RDMA/mlx4: Initialize ib_spec on the stack to the 4.9-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: rdma-mlx4-initialize-ib_spec-on-the-stack.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From c08cfb2d8d78bfe81b37cc6ba84f0875bddd0d5c Mon Sep 17 00:00:00 2001 From: Alaa Hleihel <alaa@xxxxxxxxxxxx> Date: Mon, 13 Apr 2020 16:22:35 +0300 Subject: RDMA/mlx4: Initialize ib_spec on the stack From: Alaa Hleihel <alaa@xxxxxxxxxxxx> commit c08cfb2d8d78bfe81b37cc6ba84f0875bddd0d5c upstream. Initialize ib_spec on the stack before using it, otherwise we will have garbage values that will break creating default rules with invalid parsing error. Fixes: a37a1a428431 ("IB/mlx4: Add mechanism to support flow steering over IB links") Link: https://lore.kernel.org/r/20200413132235.930642-1-leon@xxxxxxxxxx Signed-off-by: Alaa Hleihel <alaa@xxxxxxxxxxxx> Reviewed-by: Maor Gottlieb <maorg@xxxxxxxxxxxx> Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxxxx> Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/infiniband/hw/mlx4/main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -1589,8 +1589,9 @@ static int __mlx4_ib_create_default_rule int i; for (i = 0; i < ARRAY_SIZE(pdefault_rules->rules_create_list); i++) { + union ib_flow_spec ib_spec = {}; int ret; - union ib_flow_spec ib_spec; + switch (pdefault_rules->rules_create_list[i]) { case 0: /* no rule */ Patches currently in stable-queue which might be from alaa@xxxxxxxxxxxx are queue-4.9/rdma-mlx4-initialize-ib_spec-on-the-stack.patch