NILFS (loop0): inode bitmap is inconsistent for reserved inodes
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
NILFS (loop0): repaired inode bitmap for reserved inodes
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9412 at fs/inode.c:966 unlock_new_inode+0x9a/0xc0 fs/inode.c:966
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 9412 Comm: syz-executor.0 Not tainted 4.14.304-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x44 kernel/panic.c:547
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_0
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967
batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems!
RIP: 0010:unlock_new_inode+0x9a/0xc0 fs/inode.c:966
RSP: 0018:ffff8880495b7c40 EFLAGS: 00010216
RAX: 0000000000040000 RBX: ffff88804c5052c0 RCX: ffffc90005bb2000
RDX: 0000000000000506 RSI: ffffffff818ce0ba RDI: ffff88804c50534c
RBP: 0000000000000000 R08: ffffffff8b9a5e28 R09: 000000000004062e
R10: ffff88809c9fabe8 R11: ffff88809c9fa2c0 R12: ffff88804c505398
R13: ffff88804c505348 R14: ffff8880497af1b8 R15: ffff8880497aee80
 nilfs_new_inode+0x637/0x860 fs/nilfs2/inode.c:429
IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready
batman_adv: batadv0: Interface activated: batadv_slave_0
 nilfs_symlink+0x138/0x350 fs/nilfs2/namei.c:152
 vfs_symlink+0x3ce/0x620 fs/namei.c:4158
 SYSC_symlinkat fs/namei.c:4185 [inline]
 SyS_symlinkat+0x1dc/0x240 fs/namei.c:4165
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f481162b0c9
RSP: 002b:00007f480fb9d168 EFLAGS: 00000246 ORIG_RAX: 000000000000010a
RAX: ffffffffffffffda RBX: 00007f481174af80 RCX: 00007f481162b0c9
RDX: 0000000020000140 RSI: 0000000000000004 RDI: 0000000020000100
RBP: 00007f4811686ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe4e5390cf R14: 00007f480fb9d300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..