IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready list_add double add: new=ffff888056078898, prev=ffff888056078898, next=ffff88808de0c840. IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready ------------[ cut here ]------------ IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready kernel BUG at lib/list_debug.c:29! invalid opcode: 0000 [#1] PREEMPT SMP KASAN 8021q: adding VLAN 0 to HW filter on device batadv0 Modules linked in: CPU: 0 PID: 7060 Comm: syz-executor.1 Not tainted 4.14.154 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff888055aee140 task.stack: ffff888055ab0000 RIP: 0010:__list_add_valid.cold+0x26/0x3c lib/list_debug.c:29 kobject: 'vlan0' (ffff88809f57ea00): kobject_add_internal: parent: 'mesh', set: '' RSP: 0018:ffff888055ab7a00 EFLAGS: 00010282 RAX: 0000000000000058 RBX: ffff88808de0c800 RCX: 0000000000000000 RDX: 000000000000dfb4 RSI: ffffffff814b8535 RDI: ffffed100ab56f36 RBP: ffff888055ab7a18 R08: 0000000000000058 R09: ffff888055aeea08 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808de0c840 R13: ffff888056078898 R14: ffff888056078898 R15: ffff888056078898 8021q: adding VLAN 0 to HW filter on device bond0 FS: 00007ff3d73cf700(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f496014d000 CR3: 00000000a0b37000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_add include/linux/list.h:60 [inline] list_add_tail include/linux/list.h:93 [inline] p9_fd_request+0xe3/0x2b0 net/9p/trans_fd.c:679 p9_client_rpc+0x21b/0x1180 net/9p/client.c:774 hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready p9_client_clunk+0x89/0x150 net/9p/client.c:1507 v9fs_dentry_release+0x6d/0xd0 fs/9p/vfs_dentry.c:73 IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready __dentry_kill+0x39a/0x580 fs/dcache.c:596 dentry_kill fs/dcache.c:632 [inline] dput.part.0+0x59f/0x750 fs/dcache.c:847 IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready dput fs/dcache.c:811 [inline] do_one_tree+0x44/0x50 fs/dcache.c:1507 IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready shrink_dcache_for_umount+0x67/0x140 fs/dcache.c:1521 generic_shutdown_super+0x6d/0x370 fs/super.c:431 kill_anon_super+0x3f/0x60 fs/super.c:1006 v9fs_kill_super+0x3e/0xa0 fs/9p/vfs_super.c:230 deactivate_locked_super+0x74/0xe0 fs/super.c:319 IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready deactivate_super fs/super.c:350 [inline] deactivate_super+0x85/0xa0 fs/super.c:346 IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready cleanup_mnt+0xb2/0x150 fs/namespace.c:1183 IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready __cleanup_mnt+0x16/0x20 fs/namespace.c:1190 IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready task_work_run+0x114/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1da/0x220 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4bc/0x640 arch/x86/entry/common.c:297 IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready entry_SYSCALL_64_after_hwframe+0x42/0xb7 8021q: adding VLAN 0 to HW filter on device batadv0 RIP: 0033:0x45a639 kobject: 'vlan0' (ffff8880970bcb80): kobject_add_internal: parent: 'mesh', set: '' RSP: 002b:00007ff3d73cec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 000000000045a639 RDX: 0000000000000000 RSI: 000000000000000b RDI: 0000000020000140 RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff3d73cf6d4 8021q: adding VLAN 0 to HW filter on device team0 R13: 00000000004ca580 R14: 00000000004e24f8 R15: 00000000ffffffff Code: IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready e9 IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready 56 ff ff ff 4c 89 e1 48 c7 c7 00 1f 9d 86 e8 2f b1 72 fe IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready 0f 0b 48 89 f2 4c 89 e1 4c 89 ee 48 c7 c7 40 20 9d 86 IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready e8 18 b1 72 fe <0f> 0b 48 89 f1 48 c7 c7 c0 1f 9d 86 4c IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready 89 IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready e6 e8 04 b1 72 fe 0f RIP: __list_add_valid.cold+0x26/0x3c lib/list_debug.c:29 RSP: ffff888055ab7a00 ---[ end trace cdc2bd8d03c10727 ]--- IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready