IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready ------------[ cut here ]------------ device veth1_vlan entered promiscuous mode ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x90 kernel/workqueue.c:4954 IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready WARNING: CPU: 0 PID: 30928 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 lib/debugobjects.c:325 Kernel panic - not syncing: panic_on_warn set ... 8021q: adding VLAN 0 to HW filter on device bond0 CPU: 0 PID: 30928 Comm: kworker/u4:8 Not tainted 4.19.211-syzkaller #0 IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready Workqueue: netns cleanup_net Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready __warn.cold+0x20/0x5a kernel/panic.c:541 IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready RIP: 0010:debug_print_object+0x160/0x250 lib/debugobjects.c:325 IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready Code: dd 20 f1 b3 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 20 f1 b3 88 48 c7 c7 40 e5 b3 88 e8 65 92 7b 04 <0f> 0b 83 05 73 e6 af 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready RSP: 0018:ffff8880683b78a8 EFLAGS: 00010086 hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed100d076f07 IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready R10: 0000000000000005 R11: ffffffff8c66501b R12: ffffffff89f90a40 R13: ffffffff815313f0 R14: ffff88809cf0bbd0 R15: dffffc0000000000 IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready 8021q: adding VLAN 0 to HW filter on device batadv0 IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready __debug_check_no_obj_freed lib/debugobjects.c:785 [inline] debug_check_no_obj_freed+0x271/0x490 lib/debugobjects.c:817 IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready kfree+0xb9/0x210 mm/slab.c:3821 kvfree+0x59/0x60 mm/util.c:452 IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready device_release+0x76/0x210 drivers/base/core.c:1076 kobject_cleanup lib/kobject.c:662 [inline] kobject_release lib/kobject.c:691 [inline] kref_put include/linux/kref.h:70 [inline] kobject_put+0x28b/0x5d0 lib/kobject.c:708 IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready netdev_run_todo+0x77f/0xab0 net/core/dev.c:9011 device veth0_vlan entered promiscuous mode device veth1_vlan entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready default_device_exit_batch+0x304/0x3c0 net/core/dev.c:9796 IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready device veth0_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready ops_exit_list+0xf9/0x150 net/core/net_namespace.c:156 device veth1_macvtap entered promiscuous mode cleanup_net+0x3b4/0x8b0 net/core/net_namespace.c:554 IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready process_one_work+0x864/0x1570 kernel/workqueue.c:2153 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0 kthread+0x33f/0x460 kernel/kthread.c:259 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ======================================================