BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 21, name: kworker/u4:1
4 locks held by kworker/u4:1/21:
#0: ffff888014ecb938 ((wq_completion)phy11){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888014ecb938 ((wq_completion)phy11){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff888014ecb938 ((wq_completion)phy11){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff888014ecb938 ((wq_completion)phy11){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff888014ecb938 ((wq_completion)phy11){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff888014ecb938 ((wq_completion)phy11){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 kernel/workqueue.c:2243
#1: ffffc90000dbfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 kernel/workqueue.c:2247
#2: ffff88802cb5cd00 (&wdev->mtx){+.+.}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1015 [inline]
#2: ffff88802cb5cd00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 net/mac80211/ibss.c:1683
#3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_finish net/mac80211/sta_info.c:644 [inline]
#3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 net/mac80211/sta_info.c:732
Preemption disabled at:
[<ffffffff88e7fb9f>] __mutex_lock_common kernel/locking/mutex.c:955 [inline]
[<ffffffff88e7fb9f>] __mutex_lock+0x10f/0x10e0 kernel/locking/mutex.c:1103
CPU: 1 PID: 21 Comm: kworker/u4:1 Not tainted 5.10.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy11 ieee80211_iface_work
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x107/0x163 lib/dump_stack.c:118
___might_sleep.cold+0x1e8/0x22e kernel/sched/core.c:7298
sta_info_move_state+0x32/0x8d0 net/mac80211/sta_info.c:1962
sta_info_free+0x65/0x3b0 net/mac80211/sta_info.c:274
sta_info_insert_rcu+0x303/0x2ba0 net/mac80211/sta_info.c:738
ieee80211_ibss_finish_sta+0x212/0x390 net/mac80211/ibss.c:592
ieee80211_ibss_work+0x2c7/0xe80 net/mac80211/ibss.c:1700
ieee80211_iface_work+0x91f/0xa90 net/mac80211/iface.c:1443
process_one_work+0x933/0x15a0 kernel/workqueue.c:2272
worker_thread+0x64c/0x1120 kernel/workqueue.c:2418
kthread+0x3af/0x4a0 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
=============================
[ BUG: Invalid wait context ]
5.10.0-rc3-syzkaller #0 Tainted: G W
-----------------------------
kworker/u4:1/21 is trying to lock:
ffff888034a7a9d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x49/0x140 net/mac80211/util.c:2741
other info that might help us debug this:
context-{4:4}
4 locks held by kworker/u4:1/21:
#0: ffff888014ecb938 ((wq_completion)phy11){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888014ecb938 ((wq_completion)phy11){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline]
#0: ffff888014ecb938 ((wq_completion)phy11){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline]
#0: ffff888014ecb938 ((wq_completion)phy11){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline]
#0: ffff888014ecb938 ((wq_completion)phy11){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline]
#0: ffff888014ecb938 ((wq_completion)phy11){+.+.}-{0:0}, at: process_one_work+0x821/0x15a0 kernel/workqueue.c:2243
#1: ffffc90000dbfda8 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x854/0x15a0 kernel/workqueue.c:2247
#2: ffff88802cb5cd00 (&wdev->mtx){+.+.}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1015 [inline]
#2: ffff88802cb5cd00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x93/0xe80 net/mac80211/ibss.c:1683
#3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_finish net/mac80211/sta_info.c:644 [inline]
#3: ffffffff8b337160 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x680/0x2ba0 net/mac80211/sta_info.c:732
stack backtrace:
CPU: 1 PID: 21 Comm: kworker/u4:1 Tainted: G W 5.10.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy11 ieee80211_iface_work
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x107/0x163 lib/dump_stack.c:118
print_lock_invalid_wait_context kernel/locking/lockdep.c:4483 [inline]
check_wait_context kernel/locking/lockdep.c:4544 [inline]
__lock_acquire.cold+0x310/0x3a2 kernel/locking/lockdep.c:4781
lock_acquire kernel/locking/lockdep.c:5436 [inline]
lock_acquire+0x2a3/0x8c0 kernel/locking/lockdep.c:5401
__mutex_lock_common kernel/locking/mutex.c:956 [inline]
__mutex_lock+0x134/0x10e0 kernel/locking/mutex.c:1103
ieee80211_recalc_min_chandef+0x49/0x140 net/mac80211/util.c:2741
sta_info_move_state+0x3cf/0x8d0 net/mac80211/sta_info.c:2019
sta_info_free+0x65/0x3b0 net/mac80211/sta_info.c:274
sta_info_insert_rcu+0x303/0x2ba0 net/mac80211/sta_info.c:738
ieee80211_ibss_finish_sta+0x212/0x390 net/mac80211/ibss.c:592
ieee80211_ibss_work+0x2c7/0xe80 net/mac80211/ibss.c:1700
ieee80211_iface_work+0x91f/0xa90 net/mac80211/iface.c:1443
process_one_work+0x933/0x15a0 kernel/workqueue.c:2272
worker_thread+0x64c/0x1120 kernel/workqueue.c:2418
kthread+0x3af/0x4a0 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 21, name: kworker/u4:1
INFO: lockdep is turned off.
Preemption disabled at:
[<ffffffff8100457d>] preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:40
CPU: 0 PID: 21 Comm: kworker/u4:1 Tainted: G W 5.10.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy11 ieee80211_iface_work
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x107/0x163 lib/dump_stack.c:118
___might_sleep.cold+0x1e8/0x22e kernel/sched/core.c:7298
sta_info_move_state+0x32/0x8d0 net/mac80211/sta_info.c:1962
sta_info_free+0x65/0x3b0 net/mac80211/sta_info.c:274
sta_info_insert_rcu+0x303/0x2ba0 net/mac80211/sta_info.c:738
ieee80211_ibss_finish_sta+0x212/0x390 net/mac80211/ibss.c:592
ieee80211_ibss_work+0x2c7/0xe80 net/mac80211/ibss.c:1700
ieee80211_iface_work+0x91f/0xa90 net/mac80211/iface.c:1443
process_one_work+0x933/0x15a0 kernel/workqueue.c:2272
worker_thread+0x64c/0x1120 kernel/workqueue.c:2418
kthread+0x3af/0x4a0 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296