bond0 (unregistering): (slave wireguard2): Releasing backup interface bond0 (unregistering): (slave wireguard1): Releasing backup interface bond0 (unregistering): (slave wireguard0): Releasing backup interface device wireguard0 left promiscuous mode bond0 (unregistering): Destroying bond ------------[ cut here ]------------ kernel BUG at net/core/dev.c:8939! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 26 Comm: kworker/u4:2 Not tainted 5.8.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net RIP: 0010:rollback_registered_many+0x148c/0x14a0 net/core/dev.c:8939 Code: c7 c1 58 40 8d 89 80 e1 07 80 c1 03 38 c1 0f 8c f7 f1 ff ff 48 c7 c7 58 40 8d 89 e8 8e 0e 46 fb e9 e6 f1 ff ff e8 c4 00 07 fb <0f> 0b e8 bd 00 07 fb 0f 0b e8 06 ff af 01 66 0f 1f 44 00 00 53 48 RSP: 0018:ffffc90000e278a8 EFLAGS: 00010293 RAX: ffffffff866d8dfc RBX: 0000000000000002 RCX: ffff8880a944e0c0 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 RBP: ffff888088c14581 R08: ffffffff866d7ae5 R09: fffffbfff12f75d9 R10: fffffbfff12f75d9 R11: 0000000000000000 R12: dead000000000122 R13: ffffc90000e279a0 R14: 1ffff920001c4f22 R15: ffffc90000e279a0 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f42d2cce000 CR3: 0000000093777000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rollback_registered net/core/dev.c:9013 [inline] unregister_netdevice_queue+0x2f3/0x4b0 net/core/dev.c:10094 unregister_netdevice include/linux/netdevice.h:2754 [inline] bond_release_and_destroy drivers/net/bonding/bond_main.c:2091 [inline] bond_slave_netdev_event drivers/net/bonding/bond_main.c:3164 [inline] bond_netdev_event+0x8f2/0xb00 drivers/net/bonding/bond_main.c:3277 notifier_call_chain kernel/notifier.c:83 [inline] __raw_notifier_call_chain kernel/notifier.c:361 [inline] raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368 call_netdevice_notifiers_info net/core/dev.c:2027 [inline] call_netdevice_notifiers_extack net/core/dev.c:2039 [inline] call_netdevice_notifiers net/core/dev.c:2053 [inline] rollback_registered_many+0xbe3/0x14a0 net/core/dev.c:8968 unregister_netdevice_many net/core/dev.c:10113 [inline] default_device_exit_batch+0x42f/0x6b0 net/core/dev.c:10596 ops_exit_list net/core/net_namespace.c:189 [inline] cleanup_net+0x79c/0xba0 net/core/net_namespace.c:603 process_one_work+0x789/0xfc0 kernel/workqueue.c:2269 worker_thread+0xaa4/0x1460 kernel/workqueue.c:2415 kthread+0x37e/0x3a0 drivers/block/aoe/aoecmd.c:1234 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 Modules linked in: ---[ end trace bf95ff2dfd26efa3 ]--- RIP: 0010:rollback_registered_many+0x148c/0x14a0 net/core/dev.c:8939 Code: c7 c1 58 40 8d 89 80 e1 07 80 c1 03 38 c1 0f 8c f7 f1 ff ff 48 c7 c7 58 40 8d 89 e8 8e 0e 46 fb e9 e6 f1 ff ff e8 c4 00 07 fb <0f> 0b e8 bd 00 07 fb 0f 0b e8 06 ff af 01 66 0f 1f 44 00 00 53 48 RSP: 0018:ffffc90000e278a8 EFLAGS: 00010293 RAX: ffffffff866d8dfc RBX: 0000000000000002 RCX: ffff8880a944e0c0 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 RBP: ffff888088c14581 R08: ffffffff866d7ae5 R09: fffffbfff12f75d9 R10: fffffbfff12f75d9 R11: 0000000000000000 R12: dead000000000122 R13: ffffc90000e279a0 R14: 1ffff920001c4f22 R15: ffffc90000e279a0 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f42d2cd3000 CR3: 0000000093777000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400