------------[ cut here ]------------ Have pending ack frames! WARNING: CPU: 1 PID: 136 at net/mac80211/main.c:1427 ieee80211_free_ack_frame+0x64/0x6c net/mac80211/main.c:1427 Modules linked in: CPU: 1 PID: 136 Comm: kworker/u4:1 Not tainted 5.15.174-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 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:1427 lr : ieee80211_free_ack_frame+0x64/0x6c net/mac80211/main.c:1427 sp : ffff80001d6f7720 x29: ffff80001d6f7720 x28: dfff800000000000 x27: 0000000000000000 x26: 1ffff00003adef10 x25: 0000000000000001 x24: ffff0000c04766b0 x23: 1ffff00003adeef1 x22: ffff80001d6f7780 x21: 1ffff00003adeef0 x20: ffff800016fce000 x19: ffff0000c1bacc80 x18: 0000000000000001 x17: 0000000000000000 x16: ffff800011b4e2a8 x15: 00000000ffffffff x14: ffff0000c25cb680 x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : f4c2d9c2e2684100 x8 : f4c2d9c2e2684100 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001d6f6e98 x4 : ffff800014c50660 x3 : ffff800008555fe4 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000018 Call trace: ieee80211_free_ack_frame+0x64/0x6c net/mac80211/main.c:1427 idr_for_each+0x19c/0x2b4 lib/idr.c:208 ieee80211_free_hw+0xd4/0x3a8 net/mac80211/main.c:1445 mac80211_hwsim_del_radio+0x26c/0x3d8 drivers/net/wireless/mac80211_hwsim.c:3476 hwsim_exit_net+0x518/0x5e0 drivers/net/wireless/mac80211_hwsim.c:4243 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x568/0x9bc net/core/net_namespace.c:599 process_one_work+0x790/0x11b8 kernel/workqueue.c:2310 worker_thread+0x910/0x1034 kernel/workqueue.c:2457 kthread+0x37c/0x45c kernel/kthread.c:334 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 1296112 hardirqs last enabled at (1296111): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257 hardirqs last disabled at (1296112): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (1294706): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (1294706): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (1294695): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (1294695): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (1294695): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (1294695): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace 30744a007c6af84f ]--- 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 netdevsim netdevsim5 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim5 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim5 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim5 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