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Commit efe52f14 authored by Shihuan Liu's avatar Shihuan Liu Committed by Mohammed Javid
Browse files

msm: ipa: add null terminator 



Add null terminator at the end of string
extend_ioctl_data.u.rmnet_mux_val.vchannel_name
to avoid potential security issue.

Change-Id: I57fe3a9f7e3ad6a499b62a9cfc49bc6b2f3b42e0
Acked-by: default avatarShihuan Liu <shihuanl@qti.qualcomm.com>
Signed-off-by: default avatarSkylar Chang <chiaweic@codeaurora.org>
parent f035a4ad

drivers/platform/msm/ipa/ipa_v3/rmnet_ipa.c

+2 −0
Original line number Diff line number Diff line
@@ -1606,6 +1606,8 @@ static int ipa3_wwan_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) 
					&rmnet_ipa3_ctx->add_mux_channel_lock);

				return -EFAULT;

			}

			extend_ioctl_data.u.rmnet_mux_val.vchannel_name

				[IFNAMSIZ-1] = '\0';

			IPAWANDBG("ADD_MUX_CHANNEL(%d, name: %s)\n",

			ext_ioctl_data.u.rmnet_mux_val.mux_id,

			ext_ioctl_data.u.rmnet_mux_val.vchannel_name);