Search Linux Wireless

Re: [PATCH v8 1/4] nl80211: add basic multiple bssid support

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Aloka,

url:    https://github.com/0day-ci/linux/commits/Aloka-Dixit/Multiple-BSSID-support/20210309-115621
base:   38b5133ad607ecdcc8d24906d1ac9cc8df41acd5
config: x86_64-randconfig-m001-20210309 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

New smatch warnings:
net/wireless/nl80211.c:5704 nl80211_start_ap() error: 'params.acl' dereferencing possible ERR_PTR()

vim +5704 net/wireless/nl80211.c

8860020e0be1f0 Johannes Berg             2012-02-13  5448  static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
8860020e0be1f0 Johannes Berg             2012-02-13  5449  {
8860020e0be1f0 Johannes Berg             2012-02-13  5450  	struct cfg80211_registered_device *rdev = info->user_ptr[0];
8860020e0be1f0 Johannes Berg             2012-02-13  5451  	struct net_device *dev = info->user_ptr[1];
8860020e0be1f0 Johannes Berg             2012-02-13  5452  	struct wireless_dev *wdev = dev->ieee80211_ptr;
8860020e0be1f0 Johannes Berg             2012-02-13  5453  	struct cfg80211_ap_settings params;
8860020e0be1f0 Johannes Berg             2012-02-13  5454  	int err;
8860020e0be1f0 Johannes Berg             2012-02-13  5455  
074ac8df9f93f2 Johannes Berg             2010-09-16  5456  	if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
4c476991062a0a Johannes Berg             2010-10-04  5457  	    dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO)
4c476991062a0a Johannes Berg             2010-10-04  5458  		return -EOPNOTSUPP;
eec60b037a8755 Jouni Malinen             2009-03-20  5459  
8860020e0be1f0 Johannes Berg             2012-02-13  5460  	if (!rdev->ops->start_ap)
8860020e0be1f0 Johannes Berg             2012-02-13  5461  		return -EOPNOTSUPP;
8860020e0be1f0 Johannes Berg             2012-02-13  5462  
8860020e0be1f0 Johannes Berg             2012-02-13  5463  	if (wdev->beacon_interval)
8860020e0be1f0 Johannes Berg             2012-02-13  5464  		return -EALREADY;
8860020e0be1f0 Johannes Berg             2012-02-13  5465  
56d1893d94bc06 Johannes Berg             2011-05-09  5466  	memset(&params, 0, sizeof(params));
56d1893d94bc06 Johannes Berg             2011-05-09  5467  
8860020e0be1f0 Johannes Berg             2012-02-13  5468  	/* these are required for START_AP */
ed1b6cc7f80f83 Johannes Berg             2007-12-19  5469  	if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
ed1b6cc7f80f83 Johannes Berg             2007-12-19  5470  	    !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
4c476991062a0a Johannes Berg             2010-10-04  5471  	    !info->attrs[NL80211_ATTR_BEACON_HEAD])
4c476991062a0a Johannes Berg             2010-10-04  5472  		return -EINVAL;
ed1b6cc7f80f83 Johannes Berg             2007-12-19  5473  
81e54d08d9d845 Pradeep Kumar Chitrapu    2018-09-20  5474  	err = nl80211_parse_beacon(rdev, info->attrs, &params.beacon);
8860020e0be1f0 Johannes Berg             2012-02-13  5475  	if (err)
1a41c96851bfa3 John Crispin              2021-03-08  5476  		goto out;
8860020e0be1f0 Johannes Berg             2012-02-13  5477  
8860020e0be1f0 Johannes Berg             2012-02-13  5478  	params.beacon_interval =
56d1893d94bc06 Johannes Berg             2011-05-09  5479  		nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
56d1893d94bc06 Johannes Berg             2011-05-09  5480  	params.dtim_period =
56d1893d94bc06 Johannes Berg             2011-05-09  5481  		nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
56d1893d94bc06 Johannes Berg             2011-05-09  5482  
0c317a02ca982c Purushottam Kushwaha      2016-10-12  5483  	err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype,
0c317a02ca982c Purushottam Kushwaha      2016-10-12  5484  					   params.beacon_interval);
56d1893d94bc06 Johannes Berg             2011-05-09  5485  	if (err)
1a41c96851bfa3 John Crispin              2021-03-08  5486  		goto out;
56d1893d94bc06 Johannes Berg             2011-05-09  5487  
32e9de846be885 Jouni Malinen             2011-08-10  5488  	/*
8860020e0be1f0 Johannes Berg             2012-02-13  5489  	 * In theory, some of these attributes should be required here
8860020e0be1f0 Johannes Berg             2012-02-13  5490  	 * but since they were not used when the command was originally
8860020e0be1f0 Johannes Berg             2012-02-13  5491  	 * added, keep them optional for old user space programs to let
8860020e0be1f0 Johannes Berg             2012-02-13  5492  	 * them continue to work with drivers that do not need the
8860020e0be1f0 Johannes Berg             2012-02-13  5493  	 * additional information -- drivers must check!
32e9de846be885 Jouni Malinen             2011-08-10  5494  	 */
32e9de846be885 Jouni Malinen             2011-08-10  5495  	if (info->attrs[NL80211_ATTR_SSID]) {
32e9de846be885 Jouni Malinen             2011-08-10  5496  		params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]);
32e9de846be885 Jouni Malinen             2011-08-10  5497  		params.ssid_len =
32e9de846be885 Jouni Malinen             2011-08-10  5498  			nla_len(info->attrs[NL80211_ATTR_SSID]);
1a41c96851bfa3 John Crispin              2021-03-08  5499  		if (params.ssid_len == 0) {
1a41c96851bfa3 John Crispin              2021-03-08  5500  			err = -EINVAL;
1a41c96851bfa3 John Crispin              2021-03-08  5501  			goto out;
1a41c96851bfa3 John Crispin              2021-03-08  5502  		}
32e9de846be885 Jouni Malinen             2011-08-10  5503  	}
32e9de846be885 Jouni Malinen             2011-08-10  5504  
ab0d76f6823cc3 Johannes Berg             2018-10-02  5505  	if (info->attrs[NL80211_ATTR_HIDDEN_SSID])
32e9de846be885 Jouni Malinen             2011-08-10  5506  		params.hidden_ssid = nla_get_u32(
32e9de846be885 Jouni Malinen             2011-08-10  5507  			info->attrs[NL80211_ATTR_HIDDEN_SSID]);
32e9de846be885 Jouni Malinen             2011-08-10  5508  
5fb628e9105eef Jouni Malinen             2011-08-10  5509  	params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY];
5fb628e9105eef Jouni Malinen             2011-08-10  5510  
5fb628e9105eef Jouni Malinen             2011-08-10  5511  	if (info->attrs[NL80211_ATTR_AUTH_TYPE]) {
5fb628e9105eef Jouni Malinen             2011-08-10  5512  		params.auth_type = nla_get_u32(
5fb628e9105eef Jouni Malinen             2011-08-10  5513  			info->attrs[NL80211_ATTR_AUTH_TYPE]);
e39e5b5e720676 Jouni Malinen             2012-09-30  5514  		if (!nl80211_valid_auth_type(rdev, params.auth_type,
1a41c96851bfa3 John Crispin              2021-03-08  5515  					     NL80211_CMD_START_AP)) {
1a41c96851bfa3 John Crispin              2021-03-08  5516  			err = -EINVAL;
1a41c96851bfa3 John Crispin              2021-03-08  5517  			goto out;
1a41c96851bfa3 John Crispin              2021-03-08  5518  		}
5fb628e9105eef Jouni Malinen             2011-08-10  5519  	} else
5fb628e9105eef Jouni Malinen             2011-08-10  5520  		params.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
5fb628e9105eef Jouni Malinen             2011-08-10  5521  
5fb628e9105eef Jouni Malinen             2011-08-10  5522  	err = nl80211_crypto_settings(rdev, info, &params.crypto,
5fb628e9105eef Jouni Malinen             2011-08-10  5523  				      NL80211_MAX_NR_CIPHER_SUITES);
5fb628e9105eef Jouni Malinen             2011-08-10  5524  	if (err)
1a41c96851bfa3 John Crispin              2021-03-08  5525  		goto out;
5fb628e9105eef Jouni Malinen             2011-08-10  5526  
1b658f118b11de Vasanthakumar Thiagarajan 2012-03-02  5527  	if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) {
1a41c96851bfa3 John Crispin              2021-03-08  5528  		if (!(rdev->wiphy.features &
1a41c96851bfa3 John Crispin              2021-03-08  5529  		      NL80211_FEATURE_INACTIVITY_TIMER)) {
1a41c96851bfa3 John Crispin              2021-03-08  5530  			err = -EOPNOTSUPP;
1a41c96851bfa3 John Crispin              2021-03-08  5531  			goto out;
1a41c96851bfa3 John Crispin              2021-03-08  5532  		}
1b658f118b11de Vasanthakumar Thiagarajan 2012-03-02  5533  		params.inactivity_timeout = nla_get_u16(
1b658f118b11de Vasanthakumar Thiagarajan 2012-03-02  5534  			info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]);
1b658f118b11de Vasanthakumar Thiagarajan 2012-03-02  5535  	}
1b658f118b11de Vasanthakumar Thiagarajan 2012-03-02  5536  
53cabad70ecf0c Johannes Berg             2012-11-14  5537  	if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) {
1a41c96851bfa3 John Crispin              2021-03-08  5538  		if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
1a41c96851bfa3 John Crispin              2021-03-08  5539  			err = -EINVAL;
1a41c96851bfa3 John Crispin              2021-03-08  5540  			goto out;
1a41c96851bfa3 John Crispin              2021-03-08  5541  		}
53cabad70ecf0c Johannes Berg             2012-11-14  5542  		params.p2p_ctwindow =
53cabad70ecf0c Johannes Berg             2012-11-14  5543  			nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]);
53cabad70ecf0c Johannes Berg             2012-11-14  5544  		if (params.p2p_ctwindow != 0 &&
1a41c96851bfa3 John Crispin              2021-03-08  5545  		    !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) {
1a41c96851bfa3 John Crispin              2021-03-08  5546  			err = -EINVAL;
1a41c96851bfa3 John Crispin              2021-03-08  5547  			goto out;
1a41c96851bfa3 John Crispin              2021-03-08  5548  		}
53cabad70ecf0c Johannes Berg             2012-11-14  5549  	}
53cabad70ecf0c Johannes Berg             2012-11-14  5550  
53cabad70ecf0c Johannes Berg             2012-11-14  5551  	if (info->attrs[NL80211_ATTR_P2P_OPPPS]) {
53cabad70ecf0c Johannes Berg             2012-11-14  5552  		u8 tmp;
53cabad70ecf0c Johannes Berg             2012-11-14  5553  
1a41c96851bfa3 John Crispin              2021-03-08  5554  		if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) {
1a41c96851bfa3 John Crispin              2021-03-08  5555  			err = -EINVAL;
1a41c96851bfa3 John Crispin              2021-03-08  5556  			goto out;
1a41c96851bfa3 John Crispin              2021-03-08  5557  		}
53cabad70ecf0c Johannes Berg             2012-11-14  5558  		tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]);
53cabad70ecf0c Johannes Berg             2012-11-14  5559  		params.p2p_opp_ps = tmp;
53cabad70ecf0c Johannes Berg             2012-11-14  5560  		if (params.p2p_opp_ps != 0 &&
1a41c96851bfa3 John Crispin              2021-03-08  5561  		    !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) {
1a41c96851bfa3 John Crispin              2021-03-08  5562  			err = -EINVAL;
1a41c96851bfa3 John Crispin              2021-03-08  5563  			goto out;
1a41c96851bfa3 John Crispin              2021-03-08  5564  		}
53cabad70ecf0c Johannes Berg             2012-11-14  5565  	}
53cabad70ecf0c Johannes Berg             2012-11-14  5566  
aa430da41019c1 Johannes Berg             2012-05-16  5567  	if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) {
683b6d3b31a519 Johannes Berg             2012-11-08  5568  		err = nl80211_parse_chandef(rdev, info, &params.chandef);
683b6d3b31a519 Johannes Berg             2012-11-08  5569  		if (err)
1a41c96851bfa3 John Crispin              2021-03-08  5570  			goto out;
683b6d3b31a519 Johannes Berg             2012-11-08  5571  	} else if (wdev->preset_chandef.chan) {
683b6d3b31a519 Johannes Berg             2012-11-08  5572  		params.chandef = wdev->preset_chandef;
1a41c96851bfa3 John Crispin              2021-03-08  5573  	} else if (!nl80211_get_ap_channel(rdev, &params)) {
1a41c96851bfa3 John Crispin              2021-03-08  5574  		err = -EINVAL;
1a41c96851bfa3 John Crispin              2021-03-08  5575  		goto out;
1a41c96851bfa3 John Crispin              2021-03-08  5576  	}
aa430da41019c1 Johannes Berg             2012-05-16  5577  
923b352f19d9ea Arik Nemtsov              2015-07-08  5578  	if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &params.chandef,
1a41c96851bfa3 John Crispin              2021-03-08  5579  					   wdev->iftype)) {
1a41c96851bfa3 John Crispin              2021-03-08  5580  		err = -EINVAL;
1a41c96851bfa3 John Crispin              2021-03-08  5581  		goto out;
1a41c96851bfa3 John Crispin              2021-03-08  5582  	}
aa430da41019c1 Johannes Berg             2012-05-16  5583  
a7c7fbff6a408d Purushottam Kushwaha      2016-09-14  5584  	if (info->attrs[NL80211_ATTR_TX_RATES]) {
9a5f6488623730 Tamizh Chelvam            2020-05-13  5585  		err = nl80211_parse_tx_bitrate_mask(info, info->attrs,
9a5f6488623730 Tamizh Chelvam            2020-05-13  5586  						    NL80211_ATTR_TX_RATES,
eb89a6a6b7a1af Miles Hu                  2020-08-04  5587  						    &params.beacon_rate,
857b34c4fb104c Rajkumar Manoharan        2020-10-16  5588  						    dev, false);
a7c7fbff6a408d Purushottam Kushwaha      2016-09-14  5589  		if (err)
1a41c96851bfa3 John Crispin              2021-03-08  5590  			goto out;
a7c7fbff6a408d Purushottam Kushwaha      2016-09-14  5591  
8564e38206de2f Johannes Berg             2016-09-19  5592  		err = validate_beacon_tx_rate(rdev, params.chandef.chan->band,
8564e38206de2f Johannes Berg             2016-09-19  5593  					      &params.beacon_rate);
a7c7fbff6a408d Purushottam Kushwaha      2016-09-14  5594  		if (err)
1a41c96851bfa3 John Crispin              2021-03-08  5595  			goto out;
a7c7fbff6a408d Purushottam Kushwaha      2016-09-14  5596  	}
a7c7fbff6a408d Purushottam Kushwaha      2016-09-14  5597  
18998c381b19bf Eliad Peller              2014-09-10  5598  	if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
18998c381b19bf Eliad Peller              2014-09-10  5599  		params.smps_mode =
18998c381b19bf Eliad Peller              2014-09-10  5600  			nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
18998c381b19bf Eliad Peller              2014-09-10  5601  		switch (params.smps_mode) {
18998c381b19bf Eliad Peller              2014-09-10  5602  		case NL80211_SMPS_OFF:
18998c381b19bf Eliad Peller              2014-09-10  5603  			break;
18998c381b19bf Eliad Peller              2014-09-10  5604  		case NL80211_SMPS_STATIC:
18998c381b19bf Eliad Peller              2014-09-10  5605  			if (!(rdev->wiphy.features &
1a41c96851bfa3 John Crispin              2021-03-08  5606  			      NL80211_FEATURE_STATIC_SMPS)) {
1a41c96851bfa3 John Crispin              2021-03-08  5607  				err = -EINVAL;
1a41c96851bfa3 John Crispin              2021-03-08  5608  				goto out;
1a41c96851bfa3 John Crispin              2021-03-08  5609  			}
18998c381b19bf Eliad Peller              2014-09-10  5610  			break;
18998c381b19bf Eliad Peller              2014-09-10  5611  		case NL80211_SMPS_DYNAMIC:
18998c381b19bf Eliad Peller              2014-09-10  5612  			if (!(rdev->wiphy.features &
1a41c96851bfa3 John Crispin              2021-03-08  5613  			      NL80211_FEATURE_DYNAMIC_SMPS)) {
1a41c96851bfa3 John Crispin              2021-03-08  5614  				err = -EINVAL;
1a41c96851bfa3 John Crispin              2021-03-08  5615  				goto out;
1a41c96851bfa3 John Crispin              2021-03-08  5616  			}
18998c381b19bf Eliad Peller              2014-09-10  5617  			break;
18998c381b19bf Eliad Peller              2014-09-10  5618  		default:
1a41c96851bfa3 John Crispin              2021-03-08  5619  			err = -EINVAL;
1a41c96851bfa3 John Crispin              2021-03-08  5620  			goto out;
18998c381b19bf Eliad Peller              2014-09-10  5621  		}
18998c381b19bf Eliad Peller              2014-09-10  5622  	} else {
18998c381b19bf Eliad Peller              2014-09-10  5623  		params.smps_mode = NL80211_SMPS_OFF;
18998c381b19bf Eliad Peller              2014-09-10  5624  	}
18998c381b19bf Eliad Peller              2014-09-10  5625  
6e8ef842223b90 Purushottam Kushwaha      2016-07-05  5626  	params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]);
1a41c96851bfa3 John Crispin              2021-03-08  5627  	if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) {
1a41c96851bfa3 John Crispin              2021-03-08  5628  		err = -EOPNOTSUPP;
1a41c96851bfa3 John Crispin              2021-03-08  5629  		goto out;
1a41c96851bfa3 John Crispin              2021-03-08  5630  	}
6e8ef842223b90 Purushottam Kushwaha      2016-07-05  5631  
4baf6bea37247e Ola Olsson                2015-10-29  5632  	if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
4baf6bea37247e Ola Olsson                2015-10-29  5633  		params.acl = parse_acl_data(&rdev->wiphy, info);
1a41c96851bfa3 John Crispin              2021-03-08  5634  		if (IS_ERR(params.acl)) {
1a41c96851bfa3 John Crispin              2021-03-08  5635  			err = PTR_ERR(params.acl);

params.acl is an error pointer.

1a41c96851bfa3 John Crispin              2021-03-08  5636  			goto out;
1a41c96851bfa3 John Crispin              2021-03-08  5637  		}
4baf6bea37247e Ola Olsson                2015-10-29  5638  	}
4baf6bea37247e Ola Olsson                2015-10-29  5639  
a0de1ca383c77a John Crispin              2019-05-28  5640  	params.twt_responder =
a0de1ca383c77a John Crispin              2019-05-28  5641  		    nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]);
a0de1ca383c77a John Crispin              2019-05-28  5642  
796e90f42b7e52 John Crispin              2019-07-30  5643  	if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) {
796e90f42b7e52 John Crispin              2019-07-30  5644  		err = nl80211_parse_he_obss_pd(
796e90f42b7e52 John Crispin              2019-07-30  5645  					info->attrs[NL80211_ATTR_HE_OBSS_PD],
796e90f42b7e52 John Crispin              2019-07-30  5646  					&params.he_obss_pd);
bc7a39b4272b96 Luca Coelho               2020-06-26  5647  		if (err)
9951ebfcdf2b97 Johannes Berg             2020-02-21  5648  			goto out;
796e90f42b7e52 John Crispin              2019-07-30  5649  	}
796e90f42b7e52 John Crispin              2019-07-30  5650  
5c5e52d1bb9625 John Crispin              2019-12-17  5651  	if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) {
5c5e52d1bb9625 John Crispin              2019-12-17  5652  		err = nl80211_parse_he_bss_color(
5c5e52d1bb9625 John Crispin              2019-12-17  5653  					info->attrs[NL80211_ATTR_HE_BSS_COLOR],
5c5e52d1bb9625 John Crispin              2019-12-17  5654  					&params.he_bss_color);
5c5e52d1bb9625 John Crispin              2019-12-17  5655  		if (err)
60a0121f8fa64b Luca Coelho               2020-06-26  5656  			goto out;
5c5e52d1bb9625 John Crispin              2019-12-17  5657  	}
5c5e52d1bb9625 John Crispin              2019-12-17  5658  
291c49ded2fda1 Aloka Dixit               2020-09-11  5659  	if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) {
291c49ded2fda1 Aloka Dixit               2020-09-11  5660  		err = nl80211_parse_fils_discovery(rdev,
291c49ded2fda1 Aloka Dixit               2020-09-11  5661  						   info->attrs[NL80211_ATTR_FILS_DISCOVERY],
291c49ded2fda1 Aloka Dixit               2020-09-11  5662  						   &params);
291c49ded2fda1 Aloka Dixit               2020-09-11  5663  		if (err)
291c49ded2fda1 Aloka Dixit               2020-09-11  5664  			goto out;
291c49ded2fda1 Aloka Dixit               2020-09-11  5665  	}
291c49ded2fda1 Aloka Dixit               2020-09-11  5666  
7443dcd1f1718a Aloka Dixit               2020-09-11  5667  	if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) {
7443dcd1f1718a Aloka Dixit               2020-09-11  5668  		err = nl80211_parse_unsol_bcast_probe_resp(
7443dcd1f1718a Aloka Dixit               2020-09-11  5669  			rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP],
7443dcd1f1718a Aloka Dixit               2020-09-11  5670  			&params);
7443dcd1f1718a Aloka Dixit               2020-09-11  5671  		if (err)
1a41c96851bfa3 John Crispin              2021-03-08  5672  			goto out;
1a41c96851bfa3 John Crispin              2021-03-08  5673  	}
1a41c96851bfa3 John Crispin              2021-03-08  5674  
1a41c96851bfa3 John Crispin              2021-03-08  5675  	if (info->attrs[NL80211_ATTR_MULTIPLE_BSSID_CONFIG]) {
1a41c96851bfa3 John Crispin              2021-03-08  5676  		err = nl80211_parse_multiple_bssid_config(
1a41c96851bfa3 John Crispin              2021-03-08  5677  			&rdev->wiphy,
1a41c96851bfa3 John Crispin              2021-03-08  5678  			info->attrs[NL80211_ATTR_MULTIPLE_BSSID_CONFIG],
1a41c96851bfa3 John Crispin              2021-03-08  5679  			&params);
1a41c96851bfa3 John Crispin              2021-03-08  5680  		if (err)
1a41c96851bfa3 John Crispin              2021-03-08  5681  			goto out;
7443dcd1f1718a Aloka Dixit               2020-09-11  5682  	}
7443dcd1f1718a Aloka Dixit               2020-09-11  5683  
66cd794e3c30b8 Johannes Berg             2017-02-07  5684  	nl80211_calculate_ap_params(&params);
66cd794e3c30b8 Johannes Berg             2017-02-07  5685  
fe4943702c850f Srinivas Dasari           2019-01-23  5686  	if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])
fe4943702c850f Srinivas Dasari           2019-01-23  5687  		params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT;
fe4943702c850f Srinivas Dasari           2019-01-23  5688  
c56589ed1d25ae Simon Wunderlich          2013-11-21  5689  	wdev_lock(wdev);
e35e4d28b687d4 Hila Gonen                2012-06-27  5690  	err = rdev_start_ap(rdev, dev, &params);
46c1dd0c7fac54 Felix Fietkau             2012-06-19  5691  	if (!err) {
683b6d3b31a519 Johannes Berg             2012-11-08  5692  		wdev->preset_chandef = params.chandef;
8860020e0be1f0 Johannes Berg             2012-02-13  5693  		wdev->beacon_interval = params.beacon_interval;
9e0e29615a2077 Michal Kazior             2014-01-29  5694  		wdev->chandef = params.chandef;
06e191e22eb99c Antonio Quartulli         2012-11-07  5695  		wdev->ssid_len = params.ssid_len;
06e191e22eb99c Antonio Quartulli         2012-11-07  5696  		memcpy(wdev->ssid, params.ssid, wdev->ssid_len);
466a306142c002 Denis Kenzior             2018-03-26  5697  
466a306142c002 Denis Kenzior             2018-03-26  5698  		if (info->attrs[NL80211_ATTR_SOCKET_OWNER])
466a306142c002 Denis Kenzior             2018-03-26  5699  			wdev->conn_owner_nlportid = info->snd_portid;
46c1dd0c7fac54 Felix Fietkau             2012-06-19  5700  	}
c56589ed1d25ae Simon Wunderlich          2013-11-21  5701  	wdev_unlock(wdev);
77765eaf5cfb6b Vasanthakumar Thiagarajan 2013-01-18  5702  
9951ebfcdf2b97 Johannes Berg             2020-02-21  5703  out:
77765eaf5cfb6b Vasanthakumar Thiagarajan 2013-01-18 @5704  	kfree(params.acl);
                                                                      ^^^^^^^^^^
Dereferencing potential error pointer.  Freeing resources that weren't
allocated is one of the classic bugs with "out:" labels that free
everything.

1a41c96851bfa3 John Crispin              2021-03-08  5705  	kfree(params.beacon.multiple_bssid);
8860020e0be1f0 Johannes Berg             2012-02-13  5706  	return err;
ed1b6cc7f80f83 Johannes Berg             2007-12-19  5707  }

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip


[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Wireless Regulations]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux