This is a note to let you know that I've just added the patch titled [PATCH 037/135] Drivers: hv: util: catch allocation errors 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: 0037-Drivers-hv-util-catch-allocation-errors.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 9435330bd885600bb666af6bb111834a8e475ba5 Mon Sep 17 00:00:00 2001 From: Olaf Hering <olaf@xxxxxxxxx> Date: Mon, 14 Dec 2015 16:01:36 -0800 Subject: [PATCH 037/135] Drivers: hv: util: catch allocation errors [ Upstream commit cdc0c0c94e4e6dfa371d497a3130f83349b6ead6 ] Catch allocation errors in hvutil_transport_send. Fixes: 14b50f80c32d ('Drivers: hv: util: introduce hv_utils_transport abstraction') Signed-off-by: Olaf Hering <olaf@xxxxxxxxx> Signed-off-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/hv/hv_utils_transport.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) --- a/drivers/hv/hv_utils_transport.c +++ b/drivers/hv/hv_utils_transport.c @@ -204,9 +204,12 @@ int hvutil_transport_send(struct hvutil_ goto out_unlock; } hvt->outmsg = kzalloc(len, GFP_KERNEL); - memcpy(hvt->outmsg, msg, len); - hvt->outmsg_len = len; - wake_up_interruptible(&hvt->outmsg_q); + if (hvt->outmsg) { + memcpy(hvt->outmsg, msg, len); + hvt->outmsg_len = len; + wake_up_interruptible(&hvt->outmsg_q); + } else + ret = -ENOMEM; out_unlock: mutex_unlock(&hvt->outmsg_lock); return ret; Patches currently in stable-queue which might be from olaf@xxxxxxxxx are queue-4.4/0036-tools-hv-report-ENOSPC-errors-in-hv_fcopy_daemon.patch queue-4.4/0035-Drivers-hv-utils-run-polling-callback-always-in-inte.patch queue-4.4/0037-Drivers-hv-util-catch-allocation-errors.patch queue-4.4/0039-Drivers-hv-vss-run-only-on-supported-host-versions.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