bond15 (unregistering): Released all slaves bond14 (unregistering): Released all slaves bond13 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 1 PID: 16833 at net/core/dev.c:10885 unregister_netdevice_many+0x7e4/0xa0c net/core/dev.c:10885 Modules linked in: CPU: 1 PID: 16833 Comm: kworker/u4:19 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 Workqueue: netns cleanup_net pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : unregister_netdevice_many+0x7e4/0xa0c net/core/dev.c:10885 lr : unregister_netdevice_many+0x7e4/0xa0c net/core/dev.c:10885 sp : ffff800015843bc0 x29: ffff800015843c10 x28: dead000000000122 x27: ffff00011bb0b500 x26: ffff800015843c78 x25: ffff00011bb0b500 x24: 0000000000000001 x23: ffff0001196f8000 x22: ffff800015843c78 x21: ffff800009d87dbc x20: ffff0001196f8060 x19: dead000000000100 x18: 00000000000000c2 x17: ffff80000bffd6bc x16: ffff80000db49158 x15: ffff000119e00000 x14: 0000000000000020 x13: 00000000ffffffff x12: ffff000119e00000 x11: ff8080000b20c1ec x10: 0000000000000000 x9 : ffff80000b20c1ec x8 : ffff000119e00000 x7 : ffff8000081880c0 x6 : 0000000000000000 x5 : ffff800015843a40 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000006 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: unregister_netdevice_many+0x7e4/0xa0c net/core/dev.c:10885 default_device_exit_batch+0x3c0/0x424 net/core/dev.c:11356 ops_exit_list net/core/net_namespace.c:168 [inline] cleanup_net+0x3cc/0x648 net/core/net_namespace.c:595 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 1893826 hardirqs last enabled at (1893825): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (1893825): [] _raw_spin_unlock_irqrestore+0x48/0x8c kernel/locking/spinlock.c:194 hardirqs last disabled at (1893826): [] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:404 softirqs last enabled at (1893782): [] spin_unlock_bh include/linux/spinlock.h:394 [inline] softirqs last enabled at (1893782): [] netif_addr_unlock_bh include/linux/netdevice.h:4433 [inline] softirqs last enabled at (1893782): [] dev_mc_flush+0xd4/0xec net/core/dev_addr_lists.c:1036 softirqs last disabled at (1893780): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- bond12 (unregistering): Released all slaves bond11 (unregistering): Released all slaves bond10 (unregistering): Released all slaves bond9 (unregistering): Released all slaves bond8 (unregistering): Released all slaves bond7 (unregistering): Released all slaves bond6 (unregistering): Released all slaves bond5 (unregistering): Released all slaves bond4 (unregistering): Released all slaves bond3 (unregistering): Released all slaves bond2 (unregistering): Released all slaves bond1 (unregistering): Released all slaves 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: 16833 at net/core/dev.c:10886 unregister_netdevice_many+0x7f0/0xa0c net/core/dev.c:10886 Modules linked in: CPU: 0 PID: 16833 Comm: kworker/u4:19 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 Workqueue: netns cleanup_net pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : unregister_netdevice_many+0x7f0/0xa0c net/core/dev.c:10886 lr : unregister_netdevice_many+0x7f0/0xa0c net/core/dev.c:10886 sp : ffff800015843bc0 x29: ffff800015843c10 x28: dead000000000122 x27: ffff000116a06780 x26: ffff800015843c78 x25: ffff000116a06780 x24: 0000000000000001 x23: ffff000116a88000 x22: ffff800015843c78 x21: ffff800009d87dbc x20: ffff000116a88060 x19: dead000000000100 x18: 00000000000000c0 x17: ffff80000dd0b198 x16: ffff80000db49158 x15: ffff000119e00000 x14: 0000000000000020 x13: 00000000ffffffff x12: ffff000119e00000 x11: ff8080000b20c1f8 x10: 0000000000000000 x9 : ffff80000b20c1f8 x8 : ffff000119e00000 x7 : ffff8000081880c0 x6 : 0000000000000000 x5 : ffff800015843a40 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 0000000000000006 x1 : 0000000000000001 x0 : 0000000000000000 Call trace: unregister_netdevice_many+0x7f0/0xa0c net/core/dev.c:10886 default_device_exit_batch+0x3c0/0x424 net/core/dev.c:11356 ops_exit_list net/core/net_namespace.c:168 [inline] cleanup_net+0x3cc/0x648 net/core/net_namespace.c:595 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 2025940 hardirqs last enabled at (2025939): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (2025939): [] _raw_spin_unlock_irqrestore+0x48/0x8c kernel/locking/spinlock.c:194 hardirqs last disabled at (2025940): [] el1_dbg+0x24/0x5c arch/arm64/kernel/entry-common.c:404 softirqs last enabled at (2025912): [] spin_unlock_bh include/linux/spinlock.h:394 [inline] softirqs last enabled at (2025912): [] netif_addr_unlock_bh include/linux/netdevice.h:4433 [inline] softirqs last enabled at (2025912): [] dev_mc_flush+0xd4/0xec net/core/dev_addr_lists.c:1036 softirqs last disabled at (2025870): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---