loop5: detected capacity change from 0 to 64
hfs: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9265 at fs/hfs/bnode.c:428 hfs_bnode_create+0x3c2/0x450 fs/hfs/bnode.c:428
Modules linked in:
CPU: 1 UID: 0 PID: 9265 Comm: syz.5.345 Not tainted 6.15.0-rc5-syzkaller-00123-g2c89c1b655c0 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
RIP: 0010:hfs_bnode_create+0x3c2/0x450 fs/hfs/bnode.c:428
Code: 81 8b 89 ee e8 ff 06 93 fe e9 6e fd ff ff e8 75 49 2b ff 4c 89 ef e8 6d f3 bc 08 48 c7 c7 e0 70 81 8b 89 ee e8 df 06 93 fe 90 <0f> 0b 90 eb b0 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 75 fc ff ff
RSP: 0018:ffffc90003fe7798 EFLAGS: 00010246
RAX: 000000000000001f RBX: ffff888028fd2000 RCX: c5b267831271ff00
RDX: ffffc9001aa85000 RSI: 0000000000001dc0 RDI: 0000000000001dc1
RBP: 0000000000000000 R08: ffffc90003fe7487 R09: 1ffff920007fce90
R10: dffffc0000000000 R11: fffff520007fce91 R12: 0000000000000000
R13: ffff888028fd20e0 R14: ffff888028f9e000 R15: dffffc0000000000
FS:  00007f2391de96c0(0000) GS:ffff888126200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fef6f591368 CR3: 000000004fd92000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfs_bmap_alloc+0x539/0x5c0 fs/hfs/btree.c:291
 hfs_bnode_split+0xcc/0xef0 fs/hfsplus/brec.c:245
 hfs_brec_insert+0x377/0xbd0 fs/hfs/brec.c:102
 hfs_cat_create+0x344/0x640 fs/hfs/catalog.c:118
 hfs_mkdir+0x6c/0xe0 fs/hfs/dir.c:232
 vfs_mkdir+0x303/0x510 fs/namei.c:4359
 do_mkdirat+0x247/0x590 fs/namei.c:4392
 __do_sys_mkdirat fs/namei.c:4409 [inline]
 __se_sys_mkdirat fs/namei.c:4407 [inline]
 __x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4407
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2390f8e969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f2391de9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f23911b5fa0 RCX: 00007f2390f8e969
RDX: 0000000000000000 RSI: 0000200000000440 RDI: ffffffffffffff9c
RBP: 00007f2391010ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f23911b5fa0 R15: 00007fff27697518
 </TASK>