------------[ cut here ]------------
!(inode_state_read_once(inode) & I_LINKABLE)
WARNING: fs/inode.c:465 at inc_nlink+0x122/0x150, CPU#1: syz.1.540/11108
Modules linked in:
CPU: 1 UID: 0 PID: 11108 Comm: syz.1.540 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:inc_nlink+0x122/0x150
Code: e5 ff e9 3a ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c ff ff ff 48 89 df e8 19 68 e5 ff e9 3f ff ff ff e8 9f e3 77 ff 90 <0f> 0b 90 eb 80 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 50 ff ff ff
RSP: 0018:ffffc90007a874f8 EFLAGS: 00010283
RAX: ffffffff824e8de1 RBX: ffff888115683650 RCX: 0000000000080000
RDX: ffffc9002d769000 RSI: 00000000000012be RDI: 00000000000012bf
RBP: 0000000000000000 R08: ffffffff9032d3f7 R09: 1ffffffff2065a7e
R10: dffffc0000000000 R11: fffffbfff2065a7f R12: dffffc0000000000
R13: 1ffff11022ad06ca R14: ffff888115683608 R15: ffff8881156836d8
FS:  00007fb10a4b66c0(0000) GS:ffff8882a9226000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd989d58870 CR3: 00000001740ae000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 minix_mkdir+0x44/0x120
 vfs_mkdir+0x406/0x620
 ovl_workdir_create+0x45f/0x8b0
 ovl_fill_super+0x19ad/0x5d40
 get_tree_nodev+0xbb/0x150
 vfs_get_tree+0x92/0x2a0
 do_new_mount+0x319/0xdc0
 __se_sys_mount+0x31d/0x420
 do_syscall_64+0x174/0x580
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb10959ce59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb10a4b6028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb109815fa0 RCX: 00007fb10959ce59
RDX: 0000200000000440 RSI: 0000200000000100 RDI: 0000000000000000
RBP: 00007fb109632e6f R08: 00002000000004c0 R09: 0000000000000000
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb109816038 R14: 00007fb109815fa0 R15: 00007ffc86e47648
 </TASK>
