device veth39 left promiscuous mode bond0 (unregistering): (slave bridge8): Releasing backup interface bond1 (unregistering): Released all slaves 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: 0 PID: 12349 Comm: kworker/u4:9 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:ffffc90001887410 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff8880596a4000 RCX: ffffffff84b25985 RDX: 0000000000000000 RSI: ffff8880a6788d90 RDI: ffff8880596a4350 RBP: 1ffff92000310e88 R08: ffff8880973f8540 R09: fffffbfff14b0429 R10: ffffffff8a582147 R11: fffffbfff14b0428 R12: 0000000000000000 R13: ffff8880a4724808 R14: ffff8880a4724808 R15: ffff8880a4724000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561a18af9fe4 CR3: 000000009ecbe000 CR4: 00000000001406f0 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:8405 [inline] dev_set_mac_address+0x2ef/0x3f0 net/core/dev.c:8386 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:8401 __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:8828 unregister_netdevice_many.part.0+0x16/0x1e0 net/core/dev.c:9993 unregister_netdevice_many net/core/dev.c:9992 [inline] default_device_exit_batch+0x311/0x3d0 net/core/dev.c:10476 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 b18b0c49ca72734d ]--- 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:ffffc90001887410 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff8880596a4000 RCX: ffffffff84b25985 RDX: 0000000000000000 RSI: ffff8880a6788d90 RDI: ffff8880596a4350 RBP: 1ffff92000310e88 R08: ffff8880973f8540 R09: fffffbfff14b0429 R10: ffffffff8a582147 R11: fffffbfff14b0428 R12: 0000000000000000 R13: ffff8880a4724808 R14: ffff8880a4724808 R15: ffff8880a4724000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000561a18af9fe4 CR3: 000000009ecbe000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400