loop1: detected capacity change from 0 to 1024
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: fs/hfsplus/bnode.c:671 at hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:671, CPU#1: syz.1.67/6311
Modules linked in:
CPU: 1 UID: 0 PID: 6311 Comm: syz.1.67 Not tainted 6.17.0-rc1-next-20250814-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:671
Code: a1 8b 89 ee e8 c0 48 8f fe e9 cf fc ff ff e8 86 4e 27 ff 4c 89 ef e8 8e e7 e5 08 48 c7 c7 40 bd a1 8b 89 ee e8 a0 48 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:ffffc9000af86fa0 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff88804fa6a000 RCX: f3a99c653ae88f00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffc9000af86cc7 R09: 1ffff920015f0d98
R10: dffffc0000000000 R11: fffff520015f0d99 R12: 0000000000000000
R13: ffff88804fa6a0e0 R14: ffff88802700b100 R15: dffffc0000000000
FS:  00007fc859f866c0(0000) GS:ffff888125d0f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f24adf0c000 CR3: 000000007dcb6000 CR4: 00000000003526f0
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+0x12f5/0x1b50 fs/hfsplus/super.c:559
 get_tree_bdev_flags+0x40b/0x4d0 fs/super.c:1692
 vfs_get_tree+0x8f/0x2b0 fs/super.c:1752
 do_new_mount+0x2a2/0xa30 fs/namespace.c:3807
 do_mount fs/namespace.c:4135 [inline]
 __do_sys_mount fs/namespace.c:4346 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4323
 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: 0033:0x7fc85919038a
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:00007fc859f85e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc859f85ef0 RCX: 00007fc85919038a
RDX: 0000200000000100 RSI: 0000200000002900 RDI: 00007fc859f85eb0
RBP: 0000200000000100 R08: 00007fc859f85ef0 R09: 0000000002000010
R10: 0000000002000010 R11: 0000000000000246 R12: 0000200000002900
R13: 00007fc859f85eb0 R14: 00000000000006dc R15: 00002000000022c0
 </TASK>