------------[ cut here ]------------
!(inode_state_read_once(inode) & I_LINKABLE)
WARNING: fs/inode.c:465 at inc_nlink+0x122/0x150 fs/inode.c:465, CPU#1: syz.3.23/5905
Modules linked in:
CPU: 1 UID: 0 PID: 5905 Comm: syz.3.23 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:inc_nlink+0x122/0x150 fs/inode.c:465
Code: e9 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 29 31 e9 ff e9 3f ff ff ff e8 df 33 76 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:ffffc90006057ac8 EFLAGS: 00010287
RAX: ffffffff8251a4b1 RBX: ffff888064a417d8 RCX: 0000000000080000
RDX: ffffc90005041000 RSI: 0000000000000bb0 RDI: 0000000000000bb1
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff21ab2d8 R12: dffffc0000000000
R13: 1ffff1100c9482fb R14: ffff888064a41790 R15: ffff888064a418a0
FS:  00007fc4421966c0(0000) GS:ffff888124815000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd305f0ff8 CR3: 000000005f78e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 jfs_mkdir+0x857/0xaf0 fs/jfs/namei.c:287
 vfs_mkdir+0x417/0x670 fs/namei.c:5428
 filename_mkdirat+0x288/0x560 fs/namei.c:5461
 __do_sys_mkdirat fs/namei.c:5482 [inline]
 __se_sys_mkdirat+0x35/0x150 fs/namei.c:5479
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc443f3fb19
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:00007fc442196028 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fc4441c5fa0 RCX: 00007fc443f3fb19
RDX: 00000000000001ed RSI: 0000200000006b40 RDI: ffffffffffffff9c
RBP: 00007fc443fd7b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc4441c6038 R14: 00007fc4441c5fa0 R15: 00007ffd1fb9a908
 </TASK>