BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 8412, name: kworker/u4:6
4 locks held by kworker/u4:6/8412:
#0: ffff8880293ab938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x6f4/0xfc0 kernel/workqueue.c:2245
#1: ffffc90001757d80 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x733/0xfc0 kernel/workqueue.c:2247
#2: ffff888021724d00 (&wdev->mtx){+.+.}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1021 [inline]
#2: ffff888021724d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x4e/0x1450 net/mac80211/ibss.c:1683
#3: ffffffff8bae68c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:247
Preemption disabled at:
[<ffffffff893f40bc>] __mutex_lock_common+0x15c/0x2f20 kernel/locking/mutex.c:955
CPU: 0 PID: 8412 Comm: kworker/u4:6 Not tainted 5.10.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x137/0x1be lib/dump_stack.c:118
___might_sleep+0x3ef/0x530 kernel/sched/core.c:7298
sta_info_move_state+0x35/0x830 net/mac80211/sta_info.c:1962
sta_info_free+0xcb/0x330 net/mac80211/sta_info.c:274
sta_info_insert_rcu+0x1462/0x1fb0 net/mac80211/sta_info.c:738
ieee80211_ibss_finish_sta+0x21c/0x2e0 net/mac80211/ibss.c:592
ieee80211_ibss_work+0x218/0x1450 net/mac80211/ibss.c:1700
process_one_work+0x789/0xfc0 kernel/workqueue.c:2272
worker_thread+0xaa4/0x1460 kernel/workqueue.c:2418
kthread+0x36b/0x390 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
=============================
[ BUG: Invalid wait context ]
5.10.0-rc4-syzkaller #0 Tainted: G W
-----------------------------
kworker/u4:6/8412 is trying to lock:
ffff88802ad829d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x4d/0x120 net/mac80211/util.c:2740
other info that might help us debug this:
context-{4:4}
4 locks held by kworker/u4:6/8412:
#0: ffff8880293ab938 ((wq_completion)phy3){+.+.}-{0:0}, at: process_one_work+0x6f4/0xfc0 kernel/workqueue.c:2245
#1: ffffc90001757d80 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x733/0xfc0 kernel/workqueue.c:2247
#2: ffff888021724d00 (&wdev->mtx){+.+.}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1021 [inline]
#2: ffff888021724d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x4e/0x1450 net/mac80211/ibss.c:1683
#3: ffffffff8bae68c0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:247
stack backtrace:
CPU: 0 PID: 8412 Comm: kworker/u4:6 Tainted: G W 5.10.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy3 ieee80211_iface_work
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x137/0x1be lib/dump_stack.c:118
print_lock_invalid_wait_context kernel/locking/lockdep.c:4482 [inline]
check_wait_context kernel/locking/lockdep.c:4543 [inline]
__lock_acquire+0x2617/0x6210 kernel/locking/lockdep.c:4780
lock_acquire+0x114/0x5e0 kernel/locking/lockdep.c:5435
__mutex_lock_common+0x189/0x2f20 kernel/locking/mutex.c:956
__mutex_lock kernel/locking/mutex.c:1103 [inline]
mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:1118
ieee80211_recalc_min_chandef+0x4d/0x120 net/mac80211/util.c:2740
sta_info_move_state+0x38a/0x830 net/mac80211/sta_info.c:2019
sta_info_free+0xcb/0x330 net/mac80211/sta_info.c:274
sta_info_insert_rcu+0x1462/0x1fb0 net/mac80211/sta_info.c:738
ieee80211_ibss_finish_sta+0x21c/0x2e0 net/mac80211/ibss.c:592
ieee80211_ibss_work+0x218/0x1450 net/mac80211/ibss.c:1700
process_one_work+0x789/0xfc0 kernel/workqueue.c:2272
worker_thread+0xaa4/0x1460 kernel/workqueue.c:2418
kthread+0x36b/0x390 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
device hsr_slave_0 left promiscuous mode
device hsr_slave_1 left promiscuous mode
batman_adv: batadv0: Interface deactivated: batadv_slave_0
batman_adv: batadv0: Removing interface: batadv_slave_0
batman_adv: batadv0: Interface deactivated: batadv_slave_1
batman_adv: batadv0: Removing interface: batadv_slave_1
device bridge_slave_1 left promiscuous mode
bridge0: port 2(bridge_slave_1) entered disabled state
device bridge_slave_0 left promiscuous mode
bridge0: port 1(bridge_slave_0) entered disabled state
device veth1_macvtap left promiscuous mode
device veth0_macvtap left promiscuous mode
device veth1_vlan left promiscuous mode
device veth0_vlan left promiscuous mode
team0 (unregistering): Port device team_slave_1 removed
team0 (unregistering): Port device team_slave_0 removed
bond0 (unregistering): (slave bond_slave_1): Releasing backup interface
bond0 (unregistering): (slave bond_slave_0): Releasing backup interface
bond0 (unregistering): Released all slaves