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Date: Wed, 7 Feb 2024 14:27:41 +0800
From: kernel test robot <lkp@intel.com>
To: Miri Korenblit <miriam.rachel.korenblit@intel.com>,
	johannes@sipsolutions.net
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	linux-wireless@vger.kernel.org,
	Shaul Triebitz <shaul.triebitz@intel.com>
Subject: Re: [PATCH 09/11] wifi: iwlwifi: iwlmvm: handle unprotected
 deauth/disassoc in d3
Message-ID: <202402071449.LObxtopc-lkp@intel.com>
References: <20240206175739.fde438a22e3f.I3c8497520aaa95a22febff727b0ad08146965d47@changeid>
Precedence: bulk
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In-Reply-To: <20240206175739.fde438a22e3f.I3c8497520aaa95a22febff727b0ad08146965d47@changeid>

Hi Miri,

kernel test robot noticed the following build errors:

[auto build test ERROR on wireless-next/main]
[also build test ERROR on next-20240206]
[cannot apply to wireless/main linus/master v6.8-rc3]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Miri-Korenblit/wifi-iwlwifi-mvm-fix-a-crash-when-we-run-out-of-stations/20240207-000459
base:   https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main
patch link:    https://lore.kernel.org/r/20240206175739.fde438a22e3f.I3c8497520aaa95a22febff727b0ad08146965d47%40changeid
patch subject: [PATCH 09/11] wifi: iwlwifi: iwlmvm: handle unprotected deauth/disassoc in d3
config: powerpc-randconfig-001-20240207 (https://download.01.org/0day-ci/archive/20240207/202402071449.LObxtopc-lkp@intel.com/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project 7dd790db8b77c4a833c06632e903dc4f13877a64)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240207/202402071449.LObxtopc-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402071449.LObxtopc-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/net/wireless/intel/iwlwifi/mvm/d3.c:1518:10: error: no member named 'unprot_deauth_disassoc' in 'struct cfg80211_wowlan_wakeup'
    1518 |                 wakeup.unprot_deauth_disassoc = true;
         |                 ~~~~~~ ^
   1 error generated.


vim +1518 drivers/net/wireless/intel/iwlwifi/mvm/d3.c

  1465	
  1466	static void iwl_mvm_report_wakeup_reasons(struct iwl_mvm *mvm,
  1467						  struct ieee80211_vif *vif,
  1468						  struct iwl_wowlan_status_data *status)
  1469	{
  1470		struct sk_buff *pkt = NULL;
  1471		struct cfg80211_wowlan_wakeup wakeup = {
  1472			.pattern_idx = -1,
  1473		};
  1474		struct cfg80211_wowlan_wakeup *wakeup_report = &wakeup;
  1475		u32 reasons = status->wakeup_reasons;
  1476	
  1477		if (reasons == IWL_WOWLAN_WAKEUP_BY_NON_WIRELESS) {
  1478			wakeup_report = NULL;
  1479			goto report;
  1480		}
  1481	
  1482		pm_wakeup_event(mvm->dev, 0);
  1483	
  1484		if (reasons & IWL_WOWLAN_WAKEUP_BY_MAGIC_PACKET)
  1485			wakeup.magic_pkt = true;
  1486	
  1487		if (reasons & IWL_WOWLAN_WAKEUP_BY_PATTERN)
  1488			wakeup.pattern_idx =
  1489				status->pattern_number;
  1490	
  1491		if (reasons & (IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_MISSED_BEACON |
  1492			       IWL_WOWLAN_WAKEUP_BY_DISCONNECTION_ON_DEAUTH |
  1493			       IWL_WOWLAN_WAKEUP_BY_GTK_REKEY_FAILURE))
  1494			wakeup.disconnect = true;
  1495	
  1496		if (reasons & IWL_WOWLAN_WAKEUP_BY_GTK_REKEY_FAILURE)
  1497			wakeup.gtk_rekey_failure = true;
  1498	
  1499		if (reasons & IWL_WOWLAN_WAKEUP_BY_RFKILL_DEASSERTED)
  1500			wakeup.rfkill_release = true;
  1501	
  1502		if (reasons & IWL_WOWLAN_WAKEUP_BY_EAPOL_REQUEST)
  1503			wakeup.eap_identity_req = true;
  1504	
  1505		if (reasons & IWL_WOWLAN_WAKEUP_BY_FOUR_WAY_HANDSHAKE)
  1506			wakeup.four_way_handshake = true;
  1507	
  1508		if (reasons & IWL_WOWLAN_WAKEUP_BY_REM_WAKE_LINK_LOSS)
  1509			wakeup.tcp_connlost = true;
  1510	
  1511		if (reasons & IWL_WOWLAN_WAKEUP_BY_REM_WAKE_SIGNATURE_TABLE)
  1512			wakeup.tcp_nomoretokens = true;
  1513	
  1514		if (reasons & IWL_WOWLAN_WAKEUP_BY_REM_WAKE_WAKEUP_PACKET)
  1515			wakeup.tcp_match = true;
  1516	
  1517		if (reasons & IWL_WAKEUP_BY_11W_UNPROTECTED_DEAUTH_OR_DISASSOC)
> 1518			wakeup.unprot_deauth_disassoc = true;
  1519	
  1520		if (status->wake_packet) {
  1521			int pktsize = status->wake_packet_bufsize;
  1522			int pktlen = status->wake_packet_length;
  1523			const u8 *pktdata = status->wake_packet;
  1524			const struct ieee80211_hdr *hdr = (const void *)pktdata;
  1525			int truncated = pktlen - pktsize;
  1526	
  1527			/* this would be a firmware bug */
  1528			if (WARN_ON_ONCE(truncated < 0))
  1529				truncated = 0;
  1530	
  1531			if (ieee80211_is_data(hdr->frame_control)) {
  1532				int hdrlen = ieee80211_hdrlen(hdr->frame_control);
  1533				int ivlen = 0, icvlen = 4; /* also FCS */
  1534	
  1535				pkt = alloc_skb(pktsize, GFP_KERNEL);
  1536				if (!pkt)
  1537					goto report;
  1538	
  1539				skb_put_data(pkt, pktdata, hdrlen);
  1540				pktdata += hdrlen;
  1541				pktsize -= hdrlen;
  1542	
  1543				if (ieee80211_has_protected(hdr->frame_control)) {
  1544					/*
  1545					 * This is unlocked and using gtk_i(c)vlen,
  1546					 * but since everything is under RTNL still
  1547					 * that's not really a problem - changing
  1548					 * it would be difficult.
  1549					 */
  1550					if (is_multicast_ether_addr(hdr->addr1)) {
  1551						ivlen = mvm->gtk_ivlen;
  1552						icvlen += mvm->gtk_icvlen;
  1553					} else {
  1554						ivlen = mvm->ptk_ivlen;
  1555						icvlen += mvm->ptk_icvlen;
  1556					}
  1557				}
  1558	
  1559				/* if truncated, FCS/ICV is (partially) gone */
  1560				if (truncated >= icvlen) {
  1561					icvlen = 0;
  1562					truncated -= icvlen;
  1563				} else {
  1564					icvlen -= truncated;
  1565					truncated = 0;
  1566				}
  1567	
  1568				pktsize -= ivlen + icvlen;
  1569				pktdata += ivlen;
  1570	
  1571				skb_put_data(pkt, pktdata, pktsize);
  1572	
  1573				if (ieee80211_data_to_8023(pkt, vif->addr, vif->type))
  1574					goto report;
  1575				wakeup.packet = pkt->data;
  1576				wakeup.packet_present_len = pkt->len;
  1577				wakeup.packet_len = pkt->len - truncated;
  1578				wakeup.packet_80211 = false;
  1579			} else {
  1580				int fcslen = 4;
  1581	
  1582				if (truncated >= 4) {
  1583					truncated -= 4;
  1584					fcslen = 0;
  1585				} else {
  1586					fcslen -= truncated;
  1587					truncated = 0;
  1588				}
  1589				pktsize -= fcslen;
  1590				wakeup.packet = status->wake_packet;
  1591				wakeup.packet_present_len = pktsize;
  1592				wakeup.packet_len = pktlen - truncated;
  1593				wakeup.packet_80211 = true;
  1594			}
  1595		}
  1596	
  1597	 report:
  1598		ieee80211_report_wowlan_wakeup(vif, wakeup_report, GFP_KERNEL);
  1599		kfree_skb(pkt);
  1600	}
  1601	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki