wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 hrtimer: interrupt took 36711 ns IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1850 in_atomic(): 0, irqs_disabled(): 0, pid: 23, name: kworker/u4:1 4 locks held by kworker/u4:1/23: #0: 0000000057009516 ((wq_completion)"%s"wiphy_name(local->hw.wiphy)){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126 #1: 000000002dc0cba3 ((work_completion)(&sdata->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130 #2: 0000000059e4ad0a (&wdev->mtx){+.+.}, at: sdata_lock net/mac80211/ieee80211_i.h:990 [inline] #2: 0000000059e4ad0a (&wdev->mtx){+.+.}, at: ieee80211_ibss_work+0x85/0xe10 net/mac80211/ibss.c:1675 #3: 000000006eb7ae36 (rcu_read_lock){....}, at: sta_info_insert_finish net/mac80211/sta_info.c:573 [inline] #3: 000000006eb7ae36 (rcu_read_lock){....}, at: sta_info_insert_rcu+0x48e/0x2310 net/mac80211/sta_info.c:661 Preemption disabled at: [] rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1076 [inline] [] rcu_lockdep_current_cpu_online+0x32/0x1b0 kernel/rcu/tree.c:1068 CPU: 0 PID: 23 Comm: kworker/u4:1 Not tainted 4.19.159-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy9 ieee80211_iface_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2fe lib/dump_stack.c:118 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6196 sta_info_move_state+0x32/0x900 net/mac80211/sta_info.c:1850 sta_info_free+0x55/0x390 net/mac80211/sta_info.c:260 sta_info_insert_rcu+0x517/0x2310 net/mac80211/sta_info.c:667 ieee80211_ibss_finish_sta+0x25b/0x360 net/mac80211/ibss.c:601 ieee80211_ibss_work+0x2b6/0xe10 net/mac80211/ibss.c:1692 ieee80211_iface_work+0x7ba/0x8a0 net/mac80211/iface.c:1366 process_one_work+0x864/0x1570 kernel/workqueue.c:2155 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready audit: type=1804 audit(1606190922.865:2): pid=9722 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir819967254/syzkaller.0FHT4s/1/bus" dev="sda1" ino=15774 res=1 audit: type=1804 audit(1606190922.885:3): pid=9717 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir819967254/syzkaller.0FHT4s/1/bus" dev="sda1" ino=15774 res=1 audit: type=1804 audit(1606190922.945:4): pid=9717 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir819967254/syzkaller.0FHT4s/1/bus" dev="sda1" ino=15774 res=1 audit: type=1804 audit(1606190922.995:5): pid=9717 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir819967254/syzkaller.0FHT4s/1/bus" dev="sda1" ino=15774 res=1 audit: type=1804 audit(1606190923.345:6): pid=9745 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir819967254/syzkaller.0FHT4s/2/bus" dev="sda1" ino=15764 res=1 audit: type=1804 audit(1606190923.345:7): pid=9745 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir819967254/syzkaller.0FHT4s/2/bus" dev="sda1" ino=15764 res=1 audit: type=1804 audit(1606190923.365:8): pid=9750 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir192262416/syzkaller.syBTG4/4/bus" dev="sda1" ino=15768 res=1 audit: type=1804 audit(1606190923.415:9): pid=9747 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir192262416/syzkaller.syBTG4/4/bus" dev="sda1" ino=15768 res=1 audit: type=1804 audit(1606190923.475:10): pid=9753 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir819967254/syzkaller.0FHT4s/2/bus" dev="sda1" ino=15764 res=1 audit: type=1804 audit(1606190923.475:11): pid=9747 uid=0 auid=0 ses=4 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir192262416/syzkaller.syBTG4/4/bus" dev="sda1" ino=15768 res=1 sctp: [Deprecated]: syz-executor.2 (pid 9792) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor.2 (pid 9800) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor.2 (pid 9812) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor.2 (pid 9841) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead