------------[ cut here ]------------ Have pending ack frames! WARNING: CPU: 0 PID: 43 at net/mac80211/main.c:1691 ieee80211_free_ack_frame+0x64/0x6c net/mac80211/main.c:1691 Modules linked in: CPU: 0 PID: 43 Comm: kworker/u8:3 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: netns cleanup_net pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ieee80211_free_ack_frame+0x64/0x6c net/mac80211/main.c:1691 lr : ieee80211_free_ack_frame+0x64/0x6c net/mac80211/main.c:1691 sp : ffff8000948976a0 x29: ffff8000948976a0 x28: dfff800000000000 x27: 0000000000000000 x26: 1ffff00012912f00 x25: 0000000000000001 x24: ffff0000efe10df0 x23: 1ffff00012912ee1 x22: ffff800094897700 x21: 1ffff00012912ee0 x20: ffff8000924c0000 x19: ffff0000fa68ab40 x18: 1fffe000367a3dde x17: ffff80008f2dd000 x16: ffff80008032d32c x15: 0000000000000001 x14: 1fffe000367a6a00 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000001 x10: 0000000000000003 x9 : e56c07635ae64800 x8 : e56c07635ae64800 x7 : ffff8000802a3bb0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000007 x1 : ffff80008b2c0360 x0 : ffff800124af7000 Call trace: ieee80211_free_ack_frame+0x64/0x6c net/mac80211/main.c:1691 idr_for_each+0x19c/0x2b4 lib/idr.c:208 ieee80211_free_hw+0xc8/0x410 net/mac80211/main.c:1708 mac80211_hwsim_del_radio+0x26c/0x3e0 drivers/net/wireless/virtual/mac80211_hwsim.c:5579 hwsim_exit_net+0x51c/0x5e4 drivers/net/wireless/virtual/mac80211_hwsim.c:6453 ops_exit_list net/core/net_namespace.c:173 [inline] cleanup_net+0x640/0x9b4 net/core/net_namespace.c:640 process_one_work+0x79c/0x15b8 kernel/workqueue.c:3248 process_scheduled_works kernel/workqueue.c:3329 [inline] worker_thread+0x938/0xecc kernel/workqueue.c:3409 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 1377724 hardirqs last enabled at (1377723): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1418 [inline] hardirqs last enabled at (1377723): [] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5162 hardirqs last disabled at (1377724): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470 softirqs last enabled at (1376152): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (1376152): [] ieee80211_txq_teardown_flows+0x170/0x1bc net/mac80211/tx.c:1638 softirqs last disabled at (1375886): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (1375886): [] ieee80211_txq_teardown_flows+0x74/0x1bc net/mac80211/tx.c:1636 ---[ end trace 0000000000000000 ]--- hsr_slave_0: left promiscuous mode 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 veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50