IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready
device veth1_vlan entered promiscuous mode
------------[ cut here ]------------
IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready
kernel BUG at fs/f2fs/node.c:1069!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready
Modules linked in:
IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready
IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready
CPU: 0 PID: 9395 Comm: syz-executor.4 Not tainted 4.14.298-syzkaller #0
device veth0_macvtap entered promiscuous mode
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
task: ffff888074022500 task.stack: ffff888074028000
RIP: 0010:new_node_page+0xd1d/0x1180 fs/f2fs/node.c:1069
RSP: 0018:ffff88807402f838 EFLAGS: 00010246
IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready
RAX: 0000000000040000 RBX: ffff88807402f988 RCX: ffffc90008c06000
RDX: 0000000000040000 RSI: ffffffff82cb393d RDI: ffff8880b51a92d8
RBP: ffff8880945a4200 R08: 0000000000000001 R09: 0000000000000005
R10: 0000000000000000 R11: 0000000000000000 R12: ffffea00025280c0
R13: 000000001fffffff R14: ffff88807402f880 R15: 0000000000000001
FS:  00007fc4f1eff700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8bdd300000 CR3: 00000000afef6000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
device veth1_macvtap entered promiscuous mode
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready
Call Trace:
IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready
 write_all_xattrs fs/f2fs/xattr.c:455 [inline]
 __f2fs_setxattr+0xb77/0x1550 fs/f2fs/xattr.c:700
IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
 f2fs_setxattr+0x11b/0x1c0 fs/f2fs/xattr.c:737
 f2fs_xattr_generic_set+0xe0/0x1c0 fs/f2fs/xattr.c:73
 __vfs_setxattr+0xdc/0x130 fs/xattr.c:150
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
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!
 __vfs_setxattr_noperm+0xfd/0x3d0 fs/xattr.c:181
 __vfs_setxattr_locked+0x14d/0x250 fs/xattr.c:239
 vfs_setxattr+0xcf/0x230 fs/xattr.c:256
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!
 setxattr+0x1a9/0x300 fs/xattr.c:523
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!
 path_setxattr+0x118/0x130 fs/xattr.c:542
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready
 SYSC_lsetxattr fs/xattr.c:564 [inline]
 SyS_lsetxattr+0x33/0x40 fs/xattr.c:560
batman_adv: batadv0: Interface activated: batadv_slave_0
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
Code: 
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
00 
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
44 89 ad 78 04 00 00 be 01 00 00 
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
00 
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
48 89 ef e8 99 a3 f7 ff e9 ea fc ff ff 49 c7 
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
c4 
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
ff 
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3f) already exists on: batadv_slave_1
ff 
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
ff 
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready
ff e9 de fc ff ff e8 83 1e 8a fe <0f> 
batman_adv: batadv0: Interface activated: batadv_slave_1
0b 48 89 44 24 10 e8 77 1e 8a fe 48 8b 44 24 10 4c 8d 70 ff 
RIP: new_node_page+0xd1d/0x1180 fs/f2fs/node.c:1069 RSP: ffff88807402f838
---[ end trace cc698a409e7f18ef ]---
IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready