loop0: detected capacity change from 0 to 1024
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 6388 at fs/hfsplus/bnode.c:579 hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:579
Modules linked in:
CPU: 0 UID: 0 PID: 6388 Comm: syz.0.74 Not tainted 6.15.0-next-20250606-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:579
Code: a1 8b 89 ee e8 40 8e 8f fe e9 cf fc ff ff e8 c6 5d 28 ff 4c 89 ef e8 9e 4a d1 08 48 c7 c7 20 b0 a1 8b 89 ee e8 20 8e 8f fe 90 <0f> 0b 90 eb b0 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c d6 fb ff ff
RSP: 0018:ffffc9001a1d7040 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff888031986000 RCX: f72cc2ba03d44d00
RDX: ffffc90004922000 RSI: 00000000000064d8 RDI: 00000000000064d9
RBP: 0000000000000000 R08: ffffc9001a1d6d67 R09: 1ffff9200343adac
R10: dffffc0000000000 R11: fffff5200343adad R12: 0000000000000000
R13: ffff8880319860e0 R14: ffff88814c28eb00 R15: dffffc0000000000
FS:  00007ff8c586c6c0(0000) GS:ffff888125c4d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c47877b950 CR3: 000000007e3f8000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x5af/0x640 fs/hfsplus/btree.c:415
 hfs_bnode_split+0xcc/0xef0 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x38f/0xcc0 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0x3b6/0x1000 fs/hfsplus/catalog.c:292
 hfsplus_fill_super+0x1314/0x1b70 fs/hfsplus/super.c:561
 get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1679
 vfs_get_tree+0x8f/0x2b0 fs/super.c:1802
 do_new_mount+0x24a/0xa40 fs/namespace.c:3874
 do_mount fs/namespace.c:4211 [inline]
 __do_sys_mount fs/namespace.c:4422 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4399
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff8c49900ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 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:00007ff8c586be68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff8c586bef0 RCX: 00007ff8c49900ca
RDX: 0000200000000100 RSI: 0000200000000d00 RDI: 00007ff8c586beb0
RBP: 0000200000000100 R08: 00007ff8c586bef0 R09: 0000000002000010
R10: 0000000002000010 R11: 0000000000000246 R12: 0000200000000d00
R13: 00007ff8c586beb0 R14: 00000000000006e2 R15: 0000200000000040
 </TASK>