------------[ cut here ]------------ Have pending ack frames! WARNING: CPU: 1 PID: 490 at net/mac80211/main.c:1525 ieee80211_free_ack_frame+0x64/0x6c net/mac80211/main.c:1525 Modules linked in: CPU: 1 PID: 490 Comm: kworker/u4:7 Not tainted 6.7.0-rc5-syzkaller-00083-gd5b235ec8eab #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 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:1525 lr : ieee80211_free_ack_frame+0x64/0x6c net/mac80211/main.c:1525 sp : ffff800097517720 x29: ffff800097517720 x28: dfff800000000000 x27: 0000000000000000 x26: 1ffff00012ea2f10 x25: 0000000000000001 x24: ffff0000caf26ef0 x23: 1ffff00012ea2ef1 x22: ffff800097517780 x21: 1ffff00012ea2ef0 x20: ffff8000912df000 x19: ffff0000c530d000 x18: ffff800097516c00 x17: 0000000000000000 x16: ffff80008a82e2a0 x15: 0000000000000001 x14: 1fffe0003682a63a x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 646e7df3efcba600 x8 : 646e7df3efcba600 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800097517018 x4 : ffff80008e5d2600 x3 : ffff8000805ad1c0 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: ieee80211_free_ack_frame+0x64/0x6c net/mac80211/main.c:1525 idr_for_each+0x19c/0x2b4 lib/idr.c:208 ieee80211_free_hw+0xc8/0x410 net/mac80211/main.c:1542 mac80211_hwsim_del_radio+0x26c/0x3d8 drivers/net/wireless/virtual/mac80211_hwsim.c:5413 hwsim_exit_net+0x51c/0x5e4 drivers/net/wireless/virtual/mac80211_hwsim.c:6287 ops_exit_list net/core/net_namespace.c:170 [inline] cleanup_net+0x564/0x8d0 net/core/net_namespace.c:614 process_one_work+0x694/0x1204 kernel/workqueue.c:2627 process_scheduled_works kernel/workqueue.c:2700 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2781 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:857 irq event stamp: 224484 hardirqs last enabled at (224483): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (224483): [] __console_unlock kernel/printk/printk.c:2706 [inline] hardirqs last enabled at (224483): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3038 hardirqs last disabled at (224484): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (222498): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (222498): [] __do_softirq+0xac8/0xce4 kernel/softirq.c:582 softirqs last disabled at (222453): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ 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 bridge_slave_1: left allmulticast mode bridge_slave_1: left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state bridge_slave_0: left allmulticast mode bridge_slave_0: left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state 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 bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): Released all slaves netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 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 bridge_slave_1: left allmulticast mode bridge_slave_1: left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state bridge_slave_0: left allmulticast mode bridge_slave_0: left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state 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 bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): Released all slaves netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0