------------[ cut here ]------------
!(inode_state_read_once(inode) & I_LINKABLE)
WARNING: fs/inode.c:465 at inc_nlink+0x122/0x150 fs/inode.c:465, CPU#0: syz.6.443/9935
Modules linked in:
CPU: 0 UID: 0 PID: 9935 Comm: syz.6.443 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
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 79 47 e9 ff e9 3f ff ff ff e8 4f 9a 7d 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: 0000:ffffc90004f071e8 EFLAGS: 00010287
RAX: ffffffff8248d8e1 RBX: ffff888060652b28 RCX: 0000000000080000
RDX: ffffc9001c8af000 RSI: 0000000000001b1d RDI: 0000000000001b1e
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1f63990 R12: dffffc0000000000
R13: 1ffff1100c0ca565 R14: ffff888060652ae0 R15: ffff888060652bf0
FS:  00007f6673bf46c0(0000) GS:ffff888125bd9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33123ffc CR3: 000000003c104000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 jfs_mkdir+0x857/0xaf0 fs/jfs/namei.c:287
 vfs_mkdir+0x408/0x620 fs/namei.c:5410
 ovl_do_mkdir fs/overlayfs/overlayfs.h:257 [inline]
 ovl_workdir_create+0x45f/0x8b0 fs/overlayfs/super.c:345
 ovl_make_workdir fs/overlayfs/super.c:678 [inline]
 ovl_get_workdir+0x339/0x1980 fs/overlayfs/super.c:836
 ovl_fill_super_creds fs/overlayfs/super.c:1449 [inline]
 ovl_fill_super+0x1702/0x4360 fs/overlayfs/super.c:1561
 vfs_get_super fs/super.c:1405 [inline]
 get_tree_nodev+0xbb/0x150 fs/super.c:1424
 vfs_get_tree+0x92/0x2a0 fs/super.c:1947
 fc_mount fs/namespace.c:1198 [inline]
 do_new_mount_fc fs/namespace.c:3772 [inline]
 do_new_mount+0x319/0xdc0 fs/namespace.c:3848
 do_mount fs/namespace.c:4181 [inline]
 __do_sys_mount fs/namespace.c:4397 [inline]
 __se_sys_mount+0x31d/0x420 fs/namespace.c:4374
 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: 0033:0x7f66759de159
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:00007f6673bf4028 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6675c66180 RCX: 00007f66759de159
RDX: 0000200000000440 RSI: 0000200000000340 RDI: 0000000000000000
RBP: 00007f6675a75024 R08: 0000200000000500 R09: 0000000000000000
R10: 0000000000008048 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6675c66218 R14: 00007f6675c66180 R15: 00007fff1a4489a8
 </TASK>