BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1850
in_atomic(): 0, irqs_disabled(): 0, pid: 278, name: kworker/u4:4
4 locks held by kworker/u4:4/278:
 #0: 000000006e02f917 ((wq_completion)"%s"wiphy_name(local->hw.wiphy)){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2126
 #1: 000000003dcfa678 ((work_completion)(&sdata->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2130
 #2: 00000000557b334a (&wdev->mtx){+.+.}, at: sdata_lock net/mac80211/ieee80211_i.h:990 [inline]
 #2: 00000000557b334a (&wdev->mtx){+.+.}, at: ieee80211_ibss_work+0x85/0xe10 net/mac80211/ibss.c:1675
 #3: 00000000b1079fb2 (rcu_read_lock){....}, at: sta_info_insert_finish net/mac80211/sta_info.c:573 [inline]
 #3: 00000000b1079fb2 (rcu_read_lock){....}, at: sta_info_insert_rcu+0x48e/0x2310 net/mac80211/sta_info.c:661
binder: 9696:9698 unknown command 0
Preemption disabled at:
[<ffffffff81533622>] rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1076 [inline]
[<ffffffff81533622>] rcu_lockdep_current_cpu_online+0x32/0x1b0 kernel/rcu/tree.c:1068
binder: 9696:9698 ioctl c0306201 200002c0 returned -22
CPU: 0 PID: 278 Comm: kworker/u4:4 Not tainted 4.19.159-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy13 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
binder: 9719:9725 unknown command 221
binder: 9719:9725 ioctl c0306201 200002c0 returned -22
hrtimer: interrupt took 43192 ns
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
BTRFS: device fsid f90cac8b-044b-4fa8-8bee-4b8d3da88dc2 devid 1 transid 7 /dev/loop2
BTRFS error (device loop2): superblock checksum mismatch
BTRFS error (device loop2): open_ctree failed
BTRFS error (device loop2): superblock checksum mismatch
BTRFS error (device loop2): open_ctree failed
L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.