mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
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52 lines
1.9 KiB
Diff
52 lines
1.9 KiB
Diff
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From bfe8035bce6fec72ed1d064b94529fce8fb09799 Mon Sep 17 00:00:00 2001
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From: Jeff Johnson <jjohnson@codeaurora.org>
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Date: Fri, 18 Nov 2016 08:04:08 -0800
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Subject: qcacld-2.0: Validate "set passpoint list" network count
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Currently when processing the "set passpoint list" vendor command the
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"number of networks" parameter is not limit checked. This value is
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subsequently used to calculate the size of a buffer. Add a limit check
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to ensure that an appropriately sized buffer is always allocated.
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Change-Id: Ibc2346b8a62898fc47e2d1efe457c57c08b0cada
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CRs-Fixed: 1091940
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---
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CORE/HDD/src/wlan_hdd_cfg80211.c | 7 ++++++-
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CORE/MAC/inc/sirApi.h | 1 +
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2 files changed, 7 insertions(+), 1 deletion(-)
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diff --git a/CORE/HDD/src/wlan_hdd_cfg80211.c b/CORE/HDD/src/wlan_hdd_cfg80211.c
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index 77a3ae9..a2ff8fe 100644
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--- a/CORE/HDD/src/wlan_hdd_cfg80211.c
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+++ b/CORE/HDD/src/wlan_hdd_cfg80211.c
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@@ -5246,8 +5246,13 @@ static int __wlan_hdd_cfg80211_set_passpoint_list(struct wiphy *wiphy,
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}
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num_networks = nla_get_u32(
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tb[QCA_WLAN_VENDOR_ATTR_PNO_PASSPOINT_LIST_PARAM_NUM]);
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- hddLog(LOG1, FL("num networks %u"), num_networks);
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+ if (num_networks > SIR_PASSPOINT_LIST_MAX_NETWORKS) {
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+ hddLog(LOGE, FL("num networks %u exceeds max %u"),
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+ num_networks, SIR_PASSPOINT_LIST_MAX_NETWORKS);
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+ return -EINVAL;
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+ }
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+ hddLog(LOG1, FL("num networks %u"), num_networks);
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req_msg = vos_mem_malloc(sizeof(*req_msg) +
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(num_networks * sizeof(req_msg->networks[0])));
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if (!req_msg) {
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diff --git a/CORE/MAC/inc/sirApi.h b/CORE/MAC/inc/sirApi.h
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index c5074d2..fd0adb2 100644
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--- a/CORE/MAC/inc/sirApi.h
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+++ b/CORE/MAC/inc/sirApi.h
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@@ -5773,6 +5773,7 @@ struct wifi_epno_params
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struct wifi_epno_network networks[];
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};
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+#define SIR_PASSPOINT_LIST_MAX_NETWORKS 8
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#define SIR_PASSPOINT_REALM_LEN 256
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#define SIR_PASSPOINT_ROAMING_CONSORTIUM_ID_NUM 16
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#define SIR_PASSPOINT_PLMN_LEN 3
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--
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cgit v1.1
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