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91 lines
4.0 KiB
Diff
91 lines
4.0 KiB
Diff
From 4d9812973e8b12700afd8c3d6f36a94506ffb6fc Mon Sep 17 00:00:00 2001
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From: Jeff Johnson <jjohnson@codeaurora.org>
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Date: Thu, 15 Jun 2017 10:51:02 -0700
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Subject: qcacld-2.0: Avoid overread when configuring MAC addresses
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Currently there are multiple cfg80211 vendor commands where MAC
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address attributes are defined in a nla_policy table with a type of
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NLA_UNSPEC but without a minimum length. Add the proper minimum length
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to avoid buffer overread.
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Change-Id: I11ff2bd813dc4e6784a7cdee66a0c10ca0e69fcf
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CRs-Fixed: 2061251
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---
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CORE/HDD/src/wlan_hdd_cfg80211.c | 26 ++++++++++++++++++--------
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1 file changed, 18 insertions(+), 8 deletions(-)
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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 1ac1fc1..2ec3d68 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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@@ -841,7 +841,9 @@ wlan_hdd_extscan_config_policy[QCA_WLAN_VENDOR_ATTR_EXTSCAN_SUBCMD_CONFIG_PARAM_
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[QCA_WLAN_VENDOR_ATTR_EXTSCAN_GET_CACHED_SCAN_RESULTS_CONFIG_PARAM_FLUSH] = { .type = NLA_U8 },
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[QCA_WLAN_VENDOR_ATTR_EXTSCAN_GET_CACHED_SCAN_RESULTS_CONFIG_PARAM_MAX] = { .type = NLA_U32 },
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- [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_BSSID] = { .type = NLA_UNSPEC },
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+ [QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_BSSID] = {
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+ .type = NLA_UNSPEC,
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+ .len = HDD_MAC_ADDR_LEN},
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[QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_RSSI_LOW] = { .type = NLA_S32 },
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[QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_RSSI_HIGH] = { .type = NLA_S32 },
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[QCA_WLAN_VENDOR_ATTR_EXTSCAN_AP_THRESHOLD_PARAM_CHANNEL] = { .type = NLA_U32 },
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@@ -8080,7 +8082,9 @@ wlan_hdd_cfg80211_get_logger_supp_feature(struct wiphy *wiphy,
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static const struct nla_policy
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wlan_hdd_tdls_config_enable_policy[QCA_WLAN_VENDOR_ATTR_TDLS_ENABLE_MAX +1] =
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{
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- [QCA_WLAN_VENDOR_ATTR_TDLS_ENABLE_MAC_ADDR] = {.type = NLA_UNSPEC },
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+ [QCA_WLAN_VENDOR_ATTR_TDLS_ENABLE_MAC_ADDR] = {
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+ .type = NLA_UNSPEC,
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+ .len = HDD_MAC_ADDR_LEN},
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[QCA_WLAN_VENDOR_ATTR_TDLS_ENABLE_CHANNEL] = {.type = NLA_S32 },
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[QCA_WLAN_VENDOR_ATTR_TDLS_ENABLE_GLOBAL_OPERATING_CLASS] =
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{.type = NLA_S32 },
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@@ -8092,15 +8096,18 @@ wlan_hdd_tdls_config_enable_policy[QCA_WLAN_VENDOR_ATTR_TDLS_ENABLE_MAX +1] =
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static const struct nla_policy
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wlan_hdd_tdls_config_disable_policy[QCA_WLAN_VENDOR_ATTR_TDLS_DISABLE_MAX +1] =
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{
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- [QCA_WLAN_VENDOR_ATTR_TDLS_DISABLE_MAC_ADDR] = {.type = NLA_UNSPEC },
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-
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+ [QCA_WLAN_VENDOR_ATTR_TDLS_DISABLE_MAC_ADDR] = {
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+ .type = NLA_UNSPEC,
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+ .len = HDD_MAC_ADDR_LEN},
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};
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static const struct nla_policy
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wlan_hdd_tdls_config_state_change_policy[
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QCA_WLAN_VENDOR_ATTR_TDLS_STATE_MAX +1] =
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{
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- [QCA_WLAN_VENDOR_ATTR_TDLS_STATE_MAC_ADDR] = {.type = NLA_UNSPEC },
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+ [QCA_WLAN_VENDOR_ATTR_TDLS_STATE_MAC_ADDR] = {
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+ .type = NLA_UNSPEC,
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+ .len = HDD_MAC_ADDR_LEN},
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[QCA_WLAN_VENDOR_ATTR_TDLS_NEW_STATE] = {.type = NLA_U32 },
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[QCA_WLAN_VENDOR_ATTR_TDLS_STATE_REASON] = {.type = NLA_S32 },
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[QCA_WLAN_VENDOR_ATTR_TDLS_STATE_CHANNEL] = {.type = NLA_U32 },
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@@ -8113,7 +8120,9 @@ static const struct nla_policy
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wlan_hdd_tdls_config_get_status_policy[
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QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_MAX +1] =
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{
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- [QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_MAC_ADDR] = {.type = NLA_UNSPEC },
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+ [QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_MAC_ADDR] = {
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+ .type = NLA_UNSPEC,
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+ .len = HDD_MAC_ADDR_LEN},
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[QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_STATE] = {.type = NLA_U32 },
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[QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_REASON] = {.type = NLA_S32 },
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[QCA_WLAN_VENDOR_ATTR_TDLS_GET_STATUS_CHANNEL] = {.type = NLA_U32 },
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@@ -10761,8 +10770,9 @@ static int __wlan_hdd_cfg80211_wifi_logger_start(struct wiphy *wiphy,
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static const struct
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nla_policy
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qca_wlan_vendor_attr_policy[QCA_WLAN_VENDOR_ATTR_MAX+1] = {
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- [QCA_WLAN_VENDOR_ATTR_MAC_ADDR] =
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- { .type = NLA_BINARY, .len = VOS_MAC_ADDR_SIZE },
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+ [QCA_WLAN_VENDOR_ATTR_MAC_ADDR] = {
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+ .type = NLA_BINARY,
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+ .len = HDD_MAC_ADDR_LEN},
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};
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/**
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--
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cgit v1.1
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