device veth0_macvtap left promiscuous mode device veth1_vlan left promiscuous mode device veth0_vlan left promiscuous mode bond0 (unregistering): (slave macvlan2): Releasing backup interface general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 393 Comm: kworker/u4:4 Not tainted 5.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net RIP: 0010:macvlan_device_event+0x62c/0x930 drivers/net/macvlan.c:1708 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 09 03 00 00 4c 89 e2 48 8b b3 50 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 d2 02 00 00 49 8b 3c 24 41 bc 02 80 00 00 e8 5b RSP: 0018:ffffc90001f17410 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888063714000 RCX: ffffffff84b25985 RDX: 0000000000000000 RSI: ffff8880984ec790 RDI: ffff888063714350 RBP: 1ffff920003e2e88 R08: ffff8880a84b8540 R09: fffffbfff14b0431 R10: ffffffff8a582187 R11: fffffbfff14b0430 R12: 0000000000000000 R13: ffff88805967c808 R14: ffff88805967c808 R15: ffff88805967c000 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c000336000 CR3: 000000009375d000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: notifier_call_chain+0xc0/0x230 kernel/notifier.c:83 call_netdevice_notifiers_info net/core/dev.c:1948 [inline] call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1933 call_netdevice_notifiers_extack net/core/dev.c:1960 [inline] call_netdevice_notifiers net/core/dev.c:1974 [inline] dev_set_mac_address net/core/dev.c:8412 [inline] dev_set_mac_address+0x2ef/0x3f0 net/core/dev.c:8393 macvlan_set_mac_address drivers/net/macvlan.c:748 [inline] macvlan_set_mac_address+0x298/0x320 drivers/net/macvlan.c:734 dev_set_mac_address+0x283/0x3f0 net/core/dev.c:8408 __bond_release_one.cold+0xcb3/0xd11 drivers/net/bonding/bond_main.c:2055 bond_slave_netdev_event drivers/net/bonding/bond_main.c:3166 [inline] bond_netdev_event+0x81c/0x930 drivers/net/bonding/bond_main.c:3277 notifier_call_chain+0xc0/0x230 kernel/notifier.c:83 call_netdevice_notifiers_info net/core/dev.c:1948 [inline] call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1933 call_netdevice_notifiers_extack net/core/dev.c:1960 [inline] call_netdevice_notifiers net/core/dev.c:1974 [inline] rollback_registered_many+0x75c/0xe70 net/core/dev.c:8835 unregister_netdevice_many.part.0+0x16/0x1e0 net/core/dev.c:10000 unregister_netdevice_many net/core/dev.c:9999 [inline] default_device_exit_batch+0x311/0x3d0 net/core/dev.c:10483 ops_exit_list.isra.0+0x103/0x150 net/core/net_namespace.c:189 cleanup_net+0x511/0xa50 net/core/net_namespace.c:603 process_one_work+0x965/0x16a0 kernel/workqueue.c:2268 worker_thread+0x96/0xe20 kernel/workqueue.c:2414 kthread+0x388/0x470 kernel/kthread.c:268 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Modules linked in: ---[ end trace dacb012bee42970e ]--- RIP: 0010:macvlan_device_event+0x62c/0x930 drivers/net/macvlan.c:1708 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 09 03 00 00 4c 89 e2 48 8b b3 50 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 d2 02 00 00 49 8b 3c 24 41 bc 02 80 00 00 e8 5b RSP: 0018:ffffc90001f17410 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff888063714000 RCX: ffffffff84b25985 RDX: 0000000000000000 RSI: ffff8880984ec790 RDI: ffff888063714350 RBP: 1ffff920003e2e88 R08: ffff8880a84b8540 R09: fffffbfff14b0431 R10: ffffffff8a582187 R11: fffffbfff14b0430 R12: 0000000000000000 R13: ffff88805967c808 R14: ffff88805967c808 R15: ffff88805967c000 FS: 0000000000000000(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fef5a9df020 CR3: 0000000094ffc000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400