bond0: (slave wlan1): Releasing backup interface ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4828 at net/mac80211/chan.c:2016 ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2016 Modules linked in: CPU: 0 PID: 4828 Comm: kworker/u4:15 Not tainted 6.1.147-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: netns cleanup_net pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2016 lr : ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2016 sp : ffff800021247540 x29: ffff800021247540 x28: ffff800021247640 x27: ffff0000da07c060 x26: ffff8000212477c0 x25: ffff0000da07c010 x24: 1fffe0001b40f983 x23: 1fffe0001b40fab5 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000da07e258 x19: ffff0000da07d5a8 x18: ffff800011aabce0 x17: 1fffe00033ed9d7e x16: ffff8000082d0ec4 x15: ffff80000d3b9378 x14: ffff80001115bc04 x13: 1ffff00002a160b1 x12: 0000000000ff0100 x11: ff00800011281c10 x10: 0000000000000000 x9 : ffff800011281c10 x8 : ffff0000d1fa3780 x7 : ffff800011281b10 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082c9668 x2 : ffff0000d1fa3780 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2016 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:847 [inline] ieee80211_uninit+0x98/0xd0 net/mac80211/iface.c:852 unregister_netdevice_many+0x10a4/0x1740 net/core/dev.c:10995 ieee80211_remove_interfaces+0x38c/0x5ec net/mac80211/iface.c:2382 ieee80211_unregister_hw+0x60/0x278 net/mac80211/main.c:1478 mac80211_hwsim_del_radio+0x210/0x3a8 drivers/net/wireless/mac80211_hwsim.c:4688 hwsim_exit_net+0x49c/0x558 drivers/net/wireless/mac80211_hwsim.c:5475 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x5c4/0xa74 net/core/net_namespace.c:640 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:849 irq event stamp: 7084956 hardirqs last enabled at (7084955): [] __cancel_work_timer+0x2b0/0x448 kernel/workqueue.c:3156 hardirqs last disabled at (7084956): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (7083570): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (7083570): [] netif_addr_unlock_bh include/linux/netdevice.h:4510 [inline] softirqs last enabled at (7083570): [] dev_mc_flush+0x1b0/0x1f4 net/core/dev_addr_lists.c:1036 softirqs last disabled at (7083568): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 0 PID: 4828 at net/mac80211/driver-ops.c:315 drv_unassign_vif_chanctx+0x358/0x63c net/mac80211/driver-ops.c:315 Modules linked in: CPU: 0 PID: 4828 Comm: kworker/u4:15 Tainted: G W 6.1.147-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: netns cleanup_net pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drv_unassign_vif_chanctx+0x358/0x63c net/mac80211/driver-ops.c:315 lr : drv_unassign_vif_chanctx+0x358/0x63c net/mac80211/driver-ops.c:315 sp : ffff8000212473f0 x29: ffff8000212473f0 x28: 0000000000000000 x27: ffff0000da07cc80 x26: ffff0000da07e698 x25: dfff800000000000 x24: ffff0000da07e7e8 x23: 0000000000000000 x22: ffff0000d5fcda00 x21: ffff0000da07e7e8 x20: ffff800017a78000 x19: ffff0000da07cc80 x18: ffff800011aabce0 x17: 0000000000000000 x16: ffff8000082d2374 x15: 0000000000000000 x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000ff0100 x11: ff00800008191c9c x10: 0000000000000000 x9 : 7da7f1bbafaaae00 x8 : 7da7f1bbafaaae00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021246e78 x4 : ffff800015194800 x3 : ffff80000852e34c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: drv_unassign_vif_chanctx+0x358/0x63c net/mac80211/driver-ops.c:315 ieee80211_assign_link_chanctx+0x140/0x82c net/mac80211/chan.c:868 __ieee80211_link_release_channel+0x29c/0x55c net/mac80211/chan.c:1798 ieee80211_link_release_channel+0x130/0x19c net/mac80211/chan.c:2017 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:847 [inline] ieee80211_uninit+0x98/0xd0 net/mac80211/iface.c:852 unregister_netdevice_many+0x10a4/0x1740 net/core/dev.c:10995 ieee80211_remove_interfaces+0x38c/0x5ec net/mac80211/iface.c:2382 ieee80211_unregister_hw+0x60/0x278 net/mac80211/main.c:1478 mac80211_hwsim_del_radio+0x210/0x3a8 drivers/net/wireless/mac80211_hwsim.c:4688 hwsim_exit_net+0x49c/0x558 drivers/net/wireless/mac80211_hwsim.c:5475 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x5c4/0xa74 net/core/net_namespace.c:640 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:849 irq event stamp: 7085080 hardirqs last enabled at (7085079): [] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261 hardirqs last disabled at (7085080): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (7085054): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (7085054): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (7084959): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 1 PID: 4828 at net/mac80211/driver-ops.h:156 drv_vif_cfg_changed net/mac80211/driver-ops.h:156 [inline] WARNING: CPU: 1 PID: 4828 at net/mac80211/driver-ops.h:156 ieee80211_vif_cfg_change_notify+0x21c/0x25c net/mac80211/main.c:275 Modules linked in: CPU: 1 PID: 4828 Comm: kworker/u4:15 Tainted: G W 6.1.147-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: netns cleanup_net pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : drv_vif_cfg_changed net/mac80211/driver-ops.h:156 [inline] pc : ieee80211_vif_cfg_change_notify+0x21c/0x25c net/mac80211/main.c:275 lr : drv_vif_cfg_changed net/mac80211/driver-ops.h:156 [inline] lr : ieee80211_vif_cfg_change_notify+0x21c/0x25c net/mac80211/main.c:275 sp : ffff8000212473f0 x29: ffff8000212473f0 x28: ffff8000150b0000 x27: ffff8000150b0584 x26: ffff0000d5fcda20 x25: 0000000000000000 x24: dfff800000000000 x23: 0000000000000000 x22: ffff0000da07e790 x21: ffff0000c4f00ea0 x20: ffff800017a78000 x19: ffff0000da07cc80 x18: ffff800011aabce0 x17: 1fffe00033eddf7e x16: ffff8000082d2374 x15: ffff8000150ad000 x14: 0000000000000100 x13: 1ffff00002a160b1 x12: 0000000000ff0100 x11: ff0080000a88c734 x10: 0000000000000003 x9 : 7da7f1bbafaaae00 x8 : 7da7f1bbafaaae00 x7 : ffff800008251ec8 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff800011aad7e0 x0 : ffff80018a6ea000 Call trace: drv_vif_cfg_changed net/mac80211/driver-ops.h:156 [inline] ieee80211_vif_cfg_change_notify+0x21c/0x25c net/mac80211/main.c:275 ieee80211_assign_link_chanctx+0x6e8/0x82c net/mac80211/chan.c:905 __ieee80211_link_release_channel+0x29c/0x55c net/mac80211/chan.c:1798 ieee80211_link_release_channel+0x130/0x19c net/mac80211/chan.c:2017 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:847 [inline] ieee80211_uninit+0x98/0xd0 net/mac80211/iface.c:852 unregister_netdevice_many+0x10a4/0x1740 net/core/dev.c:10995 ieee80211_remove_interfaces+0x38c/0x5ec net/mac80211/iface.c:2382 ieee80211_unregister_hw+0x60/0x278 net/mac80211/main.c:1478 mac80211_hwsim_del_radio+0x210/0x3a8 drivers/net/wireless/mac80211_hwsim.c:4688 hwsim_exit_net+0x49c/0x558 drivers/net/wireless/mac80211_hwsim.c:5475 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x5c4/0xa74 net/core/net_namespace.c:640 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:849 irq event stamp: 7085370 hardirqs last enabled at (7085369): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline] hardirqs last enabled at (7085369): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:5003 hardirqs last disabled at (7085370): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (7085352): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (7085352): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (7085331): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4828 at net/mac80211/iface.c:113 __ieee80211_recalc_idle net/mac80211/iface.c:113 [inline] WARNING: CPU: 1 PID: 4828 at net/mac80211/iface.c:113 ieee80211_recalc_idle+0x298/0x338 net/mac80211/iface.c:149 Modules linked in: CPU: 1 PID: 4828 Comm: kworker/u4:15 Tainted: G W 6.1.147-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: netns cleanup_net pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __ieee80211_recalc_idle net/mac80211/iface.c:113 [inline] pc : ieee80211_recalc_idle+0x298/0x338 net/mac80211/iface.c:149 lr : __ieee80211_recalc_idle net/mac80211/iface.c:113 [inline] lr : ieee80211_recalc_idle+0x298/0x338 net/mac80211/iface.c:149 sp : ffff8000212473e0 x29: ffff8000212473e0 x28: 0000000000000000 x27: ffff8000150b0000 x26: ffff0000d5fcda20 x25: 0000000000000000 x24: dfff800000000000 x23: 000000000000096c x22: 1fffe000189e01db x21: dfff800000000000 x20: 0000000000000000 x19: ffff0000c4f00ea0 x18: ffff800011aabce0 x17: 1fffe00033eddf7e x16: ffff8000082d0ec4 x15: 0000000000000000 x14: 0000000000000007 x13: 1ffff00002a160b1 x12: 0000000000ff0100 x11: ff008000111bc040 x10: 0000000000000000 x9 : ffff8000111bc040 x8 : ffff0000d1fa3780 x7 : ffff80001115c2a4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000008 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: __ieee80211_recalc_idle net/mac80211/iface.c:113 [inline] ieee80211_recalc_idle+0x298/0x338 net/mac80211/iface.c:149 ieee80211_del_chanctx+0x35c/0x710 net/mac80211/chan.c:750 ieee80211_free_chanctx+0x250/0x334 net/mac80211/chan.c:761 __ieee80211_link_release_channel+0x3d4/0x55c net/mac80211/chan.c:1800 ieee80211_link_release_channel+0x130/0x19c net/mac80211/chan.c:2017 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:847 [inline] ieee80211_uninit+0x98/0xd0 net/mac80211/iface.c:852 unregister_netdevice_many+0x10a4/0x1740 net/core/dev.c:10995 ieee80211_remove_interfaces+0x38c/0x5ec net/mac80211/iface.c:2382 ieee80211_unregister_hw+0x60/0x278 net/mac80211/main.c:1478 mac80211_hwsim_del_radio+0x210/0x3a8 drivers/net/wireless/mac80211_hwsim.c:4688 hwsim_exit_net+0x49c/0x558 drivers/net/wireless/mac80211_hwsim.c:5475 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x5c4/0xa74 net/core/net_namespace.c:640 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:849 irq event stamp: 7085602 hardirqs last enabled at (7085601): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (7085601): [] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (7085602): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (7085596): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (7085596): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (7085373): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: timer_list hint: mesh_rmc_init net/mac80211/mesh.c:-1 [inline] ODEBUG: free active (active state 0) object type: timer_list hint: ieee80211_mesh_housekeeping_timer+0x0/0xa0 net/mac80211/mesh.c:1624 WARNING: CPU: 0 PID: 4828 at lib/debugobjects.c:518 debug_print_object lib/debugobjects.c:515 [inline] WARNING: CPU: 0 PID: 4828 at lib/debugobjects.c:518 __debug_check_no_obj_freed lib/debugobjects.c:979 [inline] WARNING: CPU: 0 PID: 4828 at lib/debugobjects.c:518 debug_check_no_obj_freed+0x38c/0x46c lib/debugobjects.c:1009 Modules linked in: CPU: 0 PID: 4828 Comm: kworker/u4:15 Tainted: G W 6.1.147-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: netns cleanup_net pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : debug_print_object lib/debugobjects.c:515 [inline] pc : __debug_check_no_obj_freed lib/debugobjects.c:979 [inline] pc : debug_check_no_obj_freed+0x38c/0x46c lib/debugobjects.c:1009 lr : debug_print_object lib/debugobjects.c:515 [inline] lr : __debug_check_no_obj_freed lib/debugobjects.c:979 [inline] lr : debug_check_no_obj_freed+0x38c/0x46c lib/debugobjects.c:1009 sp : ffff8000212473f0 x29: ffff800021247430 x28: ffff0000da080000 x27: 0000000000000000 x26: ffff800011acad00 x25: ffff0000da07da28 x24: ffff80001132d008 x23: ffff0000cf97f508 x22: 1fffe0001e37a10b x21: dfff800000000000 x20: 0000000000000006 x19: ffff0000da07c000 x18: ffff800011aabce0 x17: 1fffe00033ed9d7e x16: ffff8000082d2374 x15: ffff8000150ad000 x14: 0000000000000100 x13: 1ffff00002a160b1 x12: 0000000000ff0100 x11: ff0080000a88c734 x10: 0000000000000003 x9 : 7da7f1bbafaaae00 x8 : 7da7f1bbafaaae00 x7 : ffff800008251ec8 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000007 x1 : ffff800011aad7e0 x0 : ffff80018a6c9000 Call trace: debug_print_object lib/debugobjects.c:515 [inline] __debug_check_no_obj_freed lib/debugobjects.c:979 [inline] debug_check_no_obj_freed+0x38c/0x46c lib/debugobjects.c:1009 free_pages_prepare mm/page_alloc.c:1465 [inline] free_pcp_prepare mm/page_alloc.c:1509 [inline] free_unref_page_prepare+0x71c/0xb18 mm/page_alloc.c:3384 free_unref_page+0x7c/0x3a0 mm/page_alloc.c:3479 free_the_page mm/page_alloc.c:754 [inline] __free_pages+0x1a4/0x1d0 mm/page_alloc.c:5703 free_large_kmalloc+0xc8/0x15c mm/slab_common.c:913 kfree+0xf4/0x1ac mm/slab_common.c:982 kvfree+0x40/0x50 mm/util.c:627 netdev_freemem+0x4c/0x64 net/core/dev.c:10673 netdev_release+0x88/0xb0 net/core/net-sysfs.c:1908 device_release+0x8c/0x1ac drivers/base/core.c:-1 kobject_cleanup lib/kobject.c:681 [inline] kobject_release lib/kobject.c:712 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x2b0/0x438 lib/kobject.c:729 netdev_run_todo+0xbe4/0xd08 net/core/dev.c:10509 rtnl_unlock+0x14/0x20 net/core/rtnetlink.c:147 ieee80211_unregister_hw+0xfc/0x278 net/mac80211/main.c:1485 mac80211_hwsim_del_radio+0x210/0x3a8 drivers/net/wireless/mac80211_hwsim.c:4688 hwsim_exit_net+0x49c/0x558 drivers/net/wireless/mac80211_hwsim.c:5475 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x5c4/0xa74 net/core/net_namespace.c:640 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:849 irq event stamp: 7086500 hardirqs last enabled at (7086499): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1367 [inline] hardirqs last enabled at (7086499): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:5003 hardirqs last disabled at (7086500): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (7085802): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (7085802): [] handle_softirqs+0xaf8/0xc6c kernel/softirq.c:624 softirqs last disabled at (7085791): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- 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 veth1_vlan left promiscuous mode bond2 (unregistering): Released all slaves bond1 (unregistering): Released all slaves team0 (unregistering): Port device macvlan1 removed 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