hfs: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7065 at fs/hfs/bnode.c:428 hfs_bnode_create+0x3b9/0x450 fs/hfs/bnode.c:428
Modules linked in:
CPU: 0 UID: 0 PID: 7065 Comm: syz.0.183 Not tainted 6.15.0-rc3-syzkaller-00076-ge72e9e693307 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:hfs_bnode_create+0x3b9/0x450 fs/hfs/bnode.c:428
Code: 44 89 e6 e8 19 f3 7c fe e9 78 fd ff ff e8 8f a7 18 ff 4c 89 ff e8 37 7b 80 09 48 c7 c7 c0 70 61 8c 44 89 e6 e8 f8 f2 7c fe 90 <0f> 0b 90 eb af 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 80 fc ff ff 48
RSP: 0018:ffffc90003b8f2d8 EFLAGS: 00010246
RAX: 000000000000001f RBX: ffff888032d39b00 RCX: 331987eddf00f100
RDX: ffffc9000c389000 RSI: 00000000000012d3 RDI: 00000000000012d4
RBP: 0000000000000000 R08: ffffffff81a21cac R09: 1ffff92000771df8
R10: dffffc0000000000 R11: fffff52000771df9 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888073860000 R15: ffff8880738600e0
FS:  00007f089295b6c0(0000) GS:ffff888124fcf000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000032fba000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfs_bmap_alloc+0x5e3/0x690 fs/hfs/btree.c:291
 hfs_bnode_split+0xe5/0x1170 fs/hfsplus/brec.c:245
 hfs_brec_insert+0x38b/0xbe0 fs/hfs/brec.c:102
 hfs_cat_create+0x3de/0x760 fs/hfs/catalog.c:118
 hfs_create+0x66/0xe0 fs/hfs/dir.c:202
 lookup_open fs/namei.c:3701 [inline]
 open_last_lookups fs/namei.c:3800 [inline]
 path_openat+0x194b/0x35d0 fs/namei.c:4036
 do_filp_open+0x284/0x4e0 fs/namei.c:4066
 do_sys_openat2+0x12b/0x1d0 fs/open.c:1429
 do_sys_open fs/open.c:1444 [inline]
 __do_sys_openat fs/open.c:1460 [inline]
 __se_sys_openat fs/open.c:1455 [inline]
 __x64_sys_openat+0x249/0x2a0 fs/open.c:1455
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0891b8e969
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:00007f089295b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f0891db5fa0 RCX: 00007f0891b8e969
RDX: 000000000000275a RSI: 00002000000001c0 RDI: ffffffffffffff9c
RBP: 00007f0891c10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0891db5fa0 R15: 00007ffd17378e68
 </TASK>