------------[ cut here ]------------
!(inode_state_read_once(inode) & I_LINKABLE)
WARNING: fs/inode.c:475 at inc_nlink+0x122/0x150 fs/inode.c:475, CPU#0: syz.8.264/8238
Modules linked in:
CPU: 0 UID: 0 PID: 8238 Comm: syz.8.264 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:inc_nlink+0x122/0x150 fs/inode.c:475
Code: ea 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 a9 dd ea ff e9 3f ff ff ff e8 ff bf 84 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:ffffc90006ed7ac8 EFLAGS: 00010287
RAX: ffffffff823fb851 RBX: ffff888062cf5288 RCX: 0000000000080000
RDX: ffffc900111e1000 RSI: 00000000000012dd RDI: 00000000000012de
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1ed4bb7 R12: dffffc0000000000
R13: 1ffff1100c59ea51 R14: ffff888062cf5240 R15: ffff888062cf5350
FS:  00007f4b903046c0(0000) GS:ffff888126339000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1c13d5d000 CR3: 0000000040e02000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 jfs_mkdir+0x877/0xb00 fs/jfs/namei.c:287
 vfs_mkdir+0x40b/0x630 fs/namei.c:5233
 filename_mkdirat+0x289/0x520 fs/namei.c:5266
 __do_sys_mkdir fs/namei.c:5293 [inline]
 __se_sys_mkdir+0x34/0x150 fs/namei.c:5290
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4b920ec799
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:00007f4b90304028 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f4b92366180 RCX: 00007f4b920ec799
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000200000000080
RBP: 00007f4b92182c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4b92366218 R14: 00007f4b92366180 R15: 00007ffc8488acf8
 </TASK>