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(¶ms, 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, ¶ms.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, ¶ms.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, ¶ms.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, ¶ms)) { 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, ¶ms.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 ¶ms.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 ¶ms.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 ¶ms.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 ¶ms.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 ¶ms); 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 ¶ms); 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 ¶ms); 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(¶ms); 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, ¶ms); 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