bond0: (slave wlan1): Releasing backup interface device wlan1 left promiscuous mode ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4763 at net/mac80211/chan.c:2017 ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2017 Modules linked in: CPU: 0 PID: 4763 Comm: kworker/u4:13 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 Workqueue: netns cleanup_net pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2017 lr : ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2017 sp : ffff800021557540 x29: ffff800021557540 x28: ffff7000042aaec8 x27: ffff0000f6924060 x26: ffff8000215577c0 x25: ffff0000f6924010 x24: ffff0000f6924000 x23: 1fffe0001ed24ab5 x22: dfff800000000000 x21: 0000000000000000 x20: ffff0000f6926228 x19: ffff0000f69255a8 x18: 00000000ca34db8f x17: 00000000007b59c8 x16: ffff8000082d7db8 x15: 0000000000000000 x14: 0000000000000001 x13: 1ffff000042aae58 x12: 0000000000ff0100 x11: ff0080001135d160 x10: 0000000000000000 x9 : ffff80001135d160 x8 : ffff0000d430d340 x7 : ffff80001135d060 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff8000082d05a8 x2 : ffff0000d430d340 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: ieee80211_link_release_channel+0x16c/0x19c net/mac80211/chan.c:2017 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:855 [inline] ieee80211_uninit+0x98/0xd0 net/mac80211/iface.c:860 unregister_netdevice_many+0x10ec/0x177c net/core/dev.c:11033 ieee80211_remove_interfaces+0x398/0x600 net/mac80211/iface.c:2390 ieee80211_unregister_hw+0x60/0x278 net/mac80211/main.c:1483 mac80211_hwsim_del_radio+0x220/0x3b8 drivers/net/wireless/mac80211_hwsim.c:4688 hwsim_exit_net+0x4a0/0x564 drivers/net/wireless/mac80211_hwsim.c:5475 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x5d0/0xa84 net/core/net_namespace.c:640 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 3100016 hardirqs last enabled at (3100015): [] __cancel_work_timer+0x2c4/0x458 kernel/workqueue.c:3156 hardirqs last disabled at (3100016): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3098628): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (3098628): [] netif_addr_unlock_bh include/linux/netdevice.h:4510 [inline] softirqs last enabled at (3098628): [] dev_mc_flush+0x1b0/0x1f4 net/core/dev_addr_lists.c:1036 softirqs last disabled at (3098626): [] 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: 4763 at net/mac80211/driver-ops.c:315 drv_unassign_vif_chanctx+0x358/0x638 net/mac80211/driver-ops.c:315 Modules linked in: CPU: 0 PID: 4763 Comm: kworker/u4:13 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 Workqueue: netns cleanup_net pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : drv_unassign_vif_chanctx+0x358/0x638 net/mac80211/driver-ops.c:315 lr : drv_unassign_vif_chanctx+0x358/0x638 net/mac80211/driver-ops.c:315 sp : ffff8000215573f0 x29: ffff8000215573f0 x28: 0000000000000000 x27: ffff0000f6924c80 x26: ffff0000f6926668 x25: dfff800000000000 x24: ffff0000f69267b8 x23: 0000000000000000 x22: ffff0000d317d000 x21: ffff0000f69267b8 x20: ffff800017bea000 x19: ffff0000f6924c80 x18: 00000000ca34db8f x17: 0000000000000000 x16: ffff8000082d92bc x15: 0000000000000000 x14: 0000000000000001 x13: 1fffe00033ea63a3 x12: 0000000000ff0100 x11: ff00800008194250 x10: 0000000000000000 x9 : 0765f020ffd77f00 x8 : 0765f020ffd77f00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800021556e78 x4 : ffff800015304cc0 x3 : ffff800008538848 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: drv_unassign_vif_chanctx+0x358/0x638 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:1799 ieee80211_link_release_channel+0x130/0x19c net/mac80211/chan.c:2018 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:855 [inline] ieee80211_uninit+0x98/0xd0 net/mac80211/iface.c:860 unregister_netdevice_many+0x10ec/0x177c net/core/dev.c:11033 ieee80211_remove_interfaces+0x398/0x600 net/mac80211/iface.c:2390 ieee80211_unregister_hw+0x60/0x278 net/mac80211/main.c:1483 mac80211_hwsim_del_radio+0x220/0x3b8 drivers/net/wireless/mac80211_hwsim.c:4688 hwsim_exit_net+0x4a0/0x564 drivers/net/wireless/mac80211_hwsim.c:5475 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x5d0/0xa84 net/core/net_namespace.c:640 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 3100078 hardirqs last enabled at (3100077): [] __up_console_sem+0xb4/0xfc kernel/printk/printk.c:261 hardirqs last disabled at (3100078): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3100050): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (3100050): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (3100019): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ wlan1: Failed check-sdata-in-driver check, flags: 0x0 WARNING: CPU: 0 PID: 4763 at net/mac80211/driver-ops.h:156 drv_vif_cfg_changed net/mac80211/driver-ops.h:156 [inline] WARNING: CPU: 0 PID: 4763 at net/mac80211/driver-ops.h:156 ieee80211_vif_cfg_change_notify+0x21c/0x25c net/mac80211/main.c:275 Modules linked in: CPU: 0 PID: 4763 Comm: kworker/u4:13 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 Workqueue: netns cleanup_net pstate: 62400005 (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 : ffff8000215573f0 x29: ffff8000215573f0 x28: ffff800015220000 x27: ffff800015220384 x26: ffff0000d317d020 x25: 0000000000000000 x24: dfff800000000000 x23: 0000000000000000 x22: ffff0000f6926760 x21: ffff0000f69c0e80 x20: ffff800017bea000 x19: ffff0000f6924c80 x18: ffff800011b9bf60 x17: 1fffe00033ea637e x16: ffff8000082d92bc x15: 0000000040000000 x14: 0000000000000001 x13: 1fffe00033ea8a30 x12: 0000000000ff0100 x11: ff0080000a8de2c4 x10: 0000000000000003 x9 : 0765f020ffd77f00 x8 : 0765f020ffd77f00 x7 : ffff800008257984 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : ffff800011b9da80 x0 : ffff80018a3bc000 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:1799 ieee80211_link_release_channel+0x130/0x19c net/mac80211/chan.c:2018 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:855 [inline] ieee80211_uninit+0x98/0xd0 net/mac80211/iface.c:860 unregister_netdevice_many+0x10ec/0x177c net/core/dev.c:11033 ieee80211_remove_interfaces+0x398/0x600 net/mac80211/iface.c:2390 ieee80211_unregister_hw+0x60/0x278 net/mac80211/main.c:1483 mac80211_hwsim_del_radio+0x220/0x3b8 drivers/net/wireless/mac80211_hwsim.c:4688 hwsim_exit_net+0x4a0/0x564 drivers/net/wireless/mac80211_hwsim.c:5475 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x5d0/0xa84 net/core/net_namespace.c:640 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 3100216 hardirqs last enabled at (3100215): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1374 [inline] hardirqs last enabled at (3100215): [] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:5004 hardirqs last disabled at (3100216): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3100184): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (3100184): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (3100081): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4763 at net/mac80211/iface.c:113 __ieee80211_recalc_idle net/mac80211/iface.c:113 [inline] WARNING: CPU: 0 PID: 4763 at net/mac80211/iface.c:113 ieee80211_recalc_idle+0x298/0x338 net/mac80211/iface.c:149 Modules linked in: CPU: 0 PID: 4763 Comm: kworker/u4:13 Tainted: G W syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 Workqueue: netns cleanup_net pstate: 82400005 (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 : ffff8000215573e0 x29: ffff8000215573e0 x28: 0000000000000000 x27: ffff800015220000 x26: ffff0000d317d020 x25: 0000000000000000 x24: dfff800000000000 x23: 000000000000096c x22: 1fffe0001ed381d7 x21: dfff800000000000 x20: 0000000000000000 x19: ffff0000f69c0e80 x18: ffff800011b9bf60 x17: 1fffe00033ea637e x16: ffff8000082d7db8 x15: 0000000000000000 x14: 0000000000000007 x13: 1ffff00002a44071 x12: 0000000000ff0100 x11: ff00800011295aec x10: 0000000000000000 x9 : ffff800011295aec x8 : ffff0000d430d340 x7 : ffff800011235704 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/0x70c 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:1801 ieee80211_link_release_channel+0x130/0x19c net/mac80211/chan.c:2018 ieee80211_link_stop+0x9c/0xc4 net/mac80211/link.c:72 ieee80211_teardown_sdata net/mac80211/iface.c:855 [inline] ieee80211_uninit+0x98/0xd0 net/mac80211/iface.c:860 unregister_netdevice_many+0x10ec/0x177c net/core/dev.c:11033 ieee80211_remove_interfaces+0x398/0x600 net/mac80211/iface.c:2390 ieee80211_unregister_hw+0x60/0x278 net/mac80211/main.c:1483 mac80211_hwsim_del_radio+0x220/0x3b8 drivers/net/wireless/mac80211_hwsim.c:4688 hwsim_exit_net+0x4a0/0x564 drivers/net/wireless/mac80211_hwsim.c:5475 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x5d0/0xa84 net/core/net_namespace.c:640 process_one_work+0x7f8/0x13a4 kernel/workqueue.c:2292 worker_thread+0x8c4/0xfec kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 irq event stamp: 3100294 hardirqs last enabled at (3100293): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline] hardirqs last enabled at (3100293): [] exit_to_kernel_mode+0xcc/0xfc arch/arm64/kernel/entry-common.c:94 hardirqs last disabled at (3100294): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (3100288): [] softirq_handle_end kernel/softirq.c:439 [inline] softirqs last enabled at (3100288): [] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624 softirqs last disabled at (3100219): [] __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 device veth1_macvtap left promiscuous mode device veth0_macvtap left promiscuous mode device veth1_vlan left promiscuous mode device veth0_vlan left promiscuous mode bond1 (unregistering): Released all slaves bond0 (unregistering): Released all slaves netdevsim netdevsim0 netdevsim3 (unregistering): unset [0, 0] type 1 family 0 port 8472 - 0 netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 1] type 2 family 0 port 20000 - 0 netdevsim netdevsim0 netdevsim2 (unregistering): unset [0, 0] type 1 family 0 port 8472 - 0 netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 1] type 2 family 0 port 20000 - 0 netdevsim netdevsim0 netdevsim1 (unregistering): unset [0, 0] type 1 family 0 port 8472 - 0 netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 1] type 2 family 0 port 20000 - 0 tipc: Disabling bearer tipc: Left network mode bond2: (slave ip6gretap1): Releasing active interface