------------[ cut here ]------------
WARNING: fs/inode.c:474 at inc_nlink+0x122/0x150 fs/inode.c:474, CPU#1: syz.0.227/7343
Modules linked in:
CPU: 1 UID: 0 PID: 7343 Comm: syz.0.227 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:inc_nlink+0x122/0x150 fs/inode.c:474
Code: eb 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 f1 eb ff e9 3f ff ff ff e8 5f bb 89 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:ffffc9000d5e7ae8 EFLAGS: 00010293
RAX: ffffffff8235ee91 RBX: ffff88803e389808 RCX: ffff88802b085ac0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1db668f R12: dffffc0000000000
R13: 1ffff11007c71301 R14: ffff88803e3897c0 R15: ffff88803e3898d0
FS:  00007f18949966c0(0000) GS:ffff888126def000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6d85ab5000 CR3: 0000000033a52000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 jfs_mkdir+0x7e0/0xa70 fs/jfs/namei.c:286
 vfs_mkdir+0x52d/0x5d0 fs/namei.c:5130
 do_mkdirat+0x27a/0x4b0 fs/namei.c:5164
 __do_sys_mkdirat fs/namei.c:5186 [inline]
 __se_sys_mkdirat fs/namei.c:5184 [inline]
 __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:5184
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f189672de97
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1894995e68 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f1894995ef0 RCX: 00007f189672de97
RDX: 00000000000001ff RSI: 0000200000000040 RDI: 00000000ffffff9c
RBP: 0000000000000000 R08: 0000200000000100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000040
R13: 00007f1894995eb0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>