[FS#521] kernel warning in mac802 11 / ibss_leave / r3472

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - Bastian Bittorf (bittorf) 

Attached to Project - LEDE Project
Summary - kernel warning in mac802 11 / ibss_leave / r3472
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - it is a "TP-LINK TL-WR1043ND".


[46258.340310] ------------[ cut here ]------------
[46258.345255] WARNING: CPU: 0 PID: 10086 at compat-wireless-2017-01-31/net/mac80211/ibss.c:1082 ieee80211_get_vht_mask_from_cap+0x1a50/0x1b90 [mac80211]()
[46258.359026] Modules linked in: ath9k ath9k_common ath9k_hw ath nf_conntrack_ipv6 mac80211 iptable_nat ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_tcpmss xt_statistic xt_state xt_recent xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_helper xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS xt_REDIRECT xt_NETMAP xt_LOG xt_HL xt_DSCP xt_CT xt_CLASSIFY ums_usbat ums_sddr55 ums_sddr09 ums_karma ums_jumpshot ums_isd200 ums_freecom ums_datafab ums_cypress ums_alauda nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_conntrack_ipv4 nf_nat_ipv4 nf_nat nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache nf_conntrack macvlan iptable_raw iptable_mangle iptable_filter ipt_ECN ip_tables compat em_nbyte sch_dsmark sch_pie sch_codel sch_gred em_cmp cls_basic act_ipt sch_red sch_prio em_meta act_police em_text sch_sfq sch_fq act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route cls_fw sch_tbf sch_htb sch_hfsc sch_ingress ledtrig_usbport ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables x_tables tun vfat fat nls_utf8 nls_iso8859_1 nls_cp437 zram lz4_decompress lz4_compress lzo_compress lzo_decompress zsmalloc usb_storage ohci_platform ohci_hcd ehci_platform ehci_hcd sd_mod scsi_mod gpio_button_hotplug ext4 jbd2 mbcache usbcore nls_base usb_common crc16 crc32c_generic crypto_hash [last unloaded: crc_ccitt]
[46258.487331] CPU: 0 PID: 10086 Comm: kworker/u2:0 Not tainted 4.4.47 #0
[46258.494018] Workqueue: phy0 ieee80211_ibss_leave [mac80211]
[46258.499637] Stack : 80e34b40 80e34b40 00000001 800a7590 818ee5bc 80410d63 803aa280 00002766
[46258.499637]    803d4ab4 809dfab4 80410000 800a550c 00000001 800a7590 803af978 80410000
[46258.499637]    00000003 809dfab4 80410000 80095528 00000001 809dfaec 00000000 801f3b30
[46258.499637]    00000001 801f3b00 80f13acc 80e12300 80e12200 70687930 00000000 00000000
[46258.499637]    00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[46258.499637]    ...
[46258.535670] Call Trace:
[46258.538143] [] show_stack+0x50/0x84
[46258.542555] [] warn_slowpath_common+0xa0/0xd0
[46258.547819] [] warn_slowpath_null+0x18/0x24
[46258.553014] [] ieee80211_get_vht_mask_from_cap+0x1a50/0x1b90 [mac80211]
[46258.560637]
[46258.562148] ---[ end trace eb9418c3bbf97ef5 ]---

 
uci config is:

wireless.radio0=wifi-device
wireless.radio0.type='mac80211'
wireless.radio0.country='US'
wireless.radio0.channel='11'
wireless.radio0.frag='off'
wireless.radio0.noscan='1'
wireless.radio0.path='platform/ath9k'
wireless.radio0.hwmode='11ng'
wireless.radio0.ht_capab='SHORT-GI-40' 'DSSS_CCK-40'
wireless.radio0.htmode='HT20'
wireless.radio0.beacon_int='250'
wireless. at wifi-iface[0]=wifi-iface
wireless. at wifi-iface[0].device='radio0'
wireless. at wifi-iface[0].network='wlan'
wireless. at wifi-iface[0].mode='adhoc'
wireless. at wifi-iface[0].bssid='02:ca:ff:ee:00:11'
wireless. at wifi-iface[0].ssid='bb'
wireless. at wifi-iface[0].mcast_rate='6000'
wireless. at wifi-iface[0].macaddr='64:70:02:5c:1b:3c'


More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=521