veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode bond1 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8831 at net/core/dev.c:10869 unregister_netdevice_many_notify+0x12d0/0x186c net/core/dev.c:10869 Modules linked in: CPU: 0 PID: 8831 Comm: kworker/u4:20 Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: netns cleanup_net pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : unregister_netdevice_many_notify+0x12d0/0x186c net/core/dev.c:10869 lr : unregister_netdevice_many_notify+0x12d0/0x186c net/core/dev.c:10869 sp : ffff8000242a7760 x29: ffff8000242a7900 x28: dfff800000000000 x27: ffff8000242a79e0 x26: ffff8000242a7868 x25: ffff00012d298060 x24: ffff8000242a7880 x23: ffff00012d298000 x22: ffff8000242a7848 x21: ffff8000242a7840 x20: ffff0000cee23640 x19: ffff00012d2980a0 x18: ffff8000242a73e0 x17: ffff8000106b475c x16: ffff8000085110b0 x15: 0000000000000000 x14: 1ffff00002b9c0b2 x13: dfff800000000000 x12: 0000000000000001 x11: ff808000106f8f5c x10: 0000000000000000 x9 : ffff8000106f8f5c x8 : ffff0000db183680 x7 : ffff8000082eda24 x6 : 0000000000000000 x5 : ffff8000242a7500 x4 : 0000000000000000 x3 : ffff80000830abc8 x2 : 0000000000000000 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: unregister_netdevice_many_notify+0x12d0/0x186c net/core/dev.c:10869 unregister_netdevice_many net/core/dev.c:10899 [inline] default_device_exit_batch+0x6c8/0x744 net/core/dev.c:11352 ops_exit_list net/core/net_namespace.c:174 [inline] cleanup_net+0x5dc/0x8d0 net/core/net_namespace.c:613 process_one_work+0x868/0x16f4 kernel/workqueue.c:2390 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2537 kthread+0x24c/0x2d4 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 48827300 hardirqs last enabled at (48827299): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (48827299): [] _raw_spin_unlock_irqrestore+0x44/0xa4 kernel/locking/spinlock.c:194 hardirqs last disabled at (48827300): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (48827226): [] spin_unlock_bh include/linux/spinlock.h:395 [inline] softirqs last enabled at (48827226): [] netif_addr_unlock_bh include/linux/netdevice.h:4495 [inline] softirqs last enabled at (48827226): [] dev_mc_flush+0x1b4/0x1f8 net/core/dev_addr_lists.c:1036 softirqs last disabled at (48827224): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- 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 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8831 at net/core/dev.c:10870 unregister_netdevice_many_notify+0x12dc/0x186c net/core/dev.c:10870 Modules linked in: CPU: 0 PID: 8831 Comm: kworker/u4:20 Tainted: G W 6.3.0-rc1-syzkaller-gfe15c26ee26e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Workqueue: netns cleanup_net pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : unregister_netdevice_many_notify+0x12dc/0x186c net/core/dev.c:10870 lr : unregister_netdevice_many_notify+0x12dc/0x186c net/core/dev.c:10870 sp : ffff8000242a7760 x29: ffff8000242a7900 x28: dfff800000000000 x27: ffff8000242a79e0 x26: ffff8000242a7868 x25: ffff00012afb4060 x24: ffff8000242a7880 x23: ffff00012afb4000 x22: ffff8000242a7848 x21: ffff8000242a7840 x20: ffff0000d7018140 x19: ffff00012afb40b0 x18: ffff8000242a73a0 x17: 0000000000000000 x16: ffff8000085110b0 x15: 0000000000000000 x14: 1ffff00002b9c0b2 x13: dfff800000000000 x12: 0000000000000001 x11: ff808000106f8f68 x10: 0000000000000000 x9 : ffff8000106f8f68 x8 : ffff0000db183680 x7 : ffff8000082eda24 x6 : 0000000000000000 x5 : ffff8000242a7500 x4 : 0000000000000000 x3 : ffff80000830abc8 x2 : 0000000000000000 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: unregister_netdevice_many_notify+0x12dc/0x186c net/core/dev.c:10870 unregister_netdevice_many net/core/dev.c:10899 [inline] default_device_exit_batch+0x6c8/0x744 net/core/dev.c:11352 ops_exit_list net/core/net_namespace.c:174 [inline] cleanup_net+0x5dc/0x8d0 net/core/net_namespace.c:613 process_one_work+0x868/0x16f4 kernel/workqueue.c:2390 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2537 kthread+0x24c/0x2d4 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870 irq event stamp: 48950264 hardirqs last enabled at (48950263): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (48950263): [] _raw_spin_unlock_irqrestore+0x44/0xa4 kernel/locking/spinlock.c:194 hardirqs last disabled at (48950264): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (48950218): [] spin_unlock_bh include/linux/spinlock.h:395 [inline] softirqs last enabled at (48950218): [] netif_addr_unlock_bh include/linux/netdevice.h:4495 [inline] softirqs last enabled at (48950218): [] dev_mc_flush+0x1b4/0x1f8 net/core/dev_addr_lists.c:1036 softirqs last disabled at (48950174): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---