This is a note to let you know that I've just added the patch titled

selinux: Remove unnecessary check of array base in selinux_set_mapping()

to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...

The filename of the patch is: selinux-remove-unnecessary-check-of-array-base-in-selinux_set_mapping.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@vger.kernel.org know about it.

From 342e91578eb6909529bc7095964cd44b9c057c4e Mon Sep 17 00:00:00 2001

From: Matthias Kaehlcke mka@chromium.org Date: Thu, 16 Mar 2017 15:26:52 -0700 Subject: selinux: Remove unnecessary check of array base in selinux_set_mapping()

From: Matthias Kaehlcke mka@chromium.org

commit 342e91578eb6909529bc7095964cd44b9c057c4e upstream.

'perms' will never be NULL since it isn't a plain pointer but an array of u32 values.

This fixes the following warning when building with clang:

security/selinux/ss/services.c:158:16: error: address of array 'p_in->perms' will always evaluate to 'true' [-Werror,-Wpointer-bool-conversion] while (p_in->perms && p_in->perms[k]) {

Signed-off-by: Matthias Kaehlcke mka@chromium.org Signed-off-by: Paul Moore paul@paul-moore.com Cc: Nathan Chancellor natechancellor@gmail.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org

--- security/selinux/ss/services.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -155,7 +155,7 @@ static int selinux_set_mapping(struct po }

k = 0; - while (p_in->perms && p_in->perms[k]) { + while (p_in->perms[k]) { /* An empty permission string skips ahead */ if (!*p_in->perms[k]) { k++;

Patches currently in stable-queue which might be from mka@chromium.org are

queue-4.9/dm-ioctl-remove-double-parentheses.patch queue-4.9/genirq-use-cpumask_available-for-check-of-cpumask-variable.patch queue-4.9/fs-compat-remove-warning-from-compatible_ioctl.patch queue-4.9/selinux-remove-unnecessary-check-of-array-base-in-selinux_set_mapping.patch queue-4.9/pci-make-pci_rom_address_mask-a-32-bit-constant.patch queue-4.9/cpumask-add-helper-cpumask_available.patch