loop3: detected capacity change from 0 to 1024
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: fs/hfsplus/bnode.c:630 at hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:630, CPU#1: syz.3.4603/3457
Modules linked in:
CPU: 1 UID: 0 PID: 3457 Comm: syz.3.4603 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:hfsplus_bnode_create+0x461/0x4f0 fs/hfsplus/bnode.c:630
Code: 82 8b 89 ee e8 80 38 8b fe e9 cf fc ff ff e8 56 eb 23 ff 4c 89 ef e8 7e 8d b2 08 48 c7 c7 00 04 82 8b 89 ee e8 60 38 8b 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:ffffc9000be0ef60 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff88807a7b0000 RCX: c4bee623111dae00
RDX: ffffc90021408000 RSI: 0000000000004920 RDI: 0000000000004921
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa650 R12: 0000000000000000
R13: ffff88807a7b00e0 R14: ffff888078d38600 R15: dffffc0000000000
FS:  00007f8cebe876c0(0000) GS:ffff888125e0b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055558b4e85c8 CR3: 0000000022706000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x71a/0xad0 fs/hfsplus/btree.c:421
 hfs_bnode_split+0xcc/0x1060 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x3b6/0xd30 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0x3c5/0x1120 fs/hfsplus/catalog.c:292
 hfsplus_fill_super+0x12f5/0x1b50 fs/hfsplus/super.c:580
 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691
 vfs_get_tree+0x92/0x2b0 fs/super.c:1751
 fc_mount fs/namespace.c:1208 [inline]
 do_new_mount_fc fs/namespace.c:3651 [inline]
 do_new_mount+0x302/0xa10 fs/namespace.c:3727
 do_mount fs/namespace.c:4050 [inline]
 __do_sys_mount fs/namespace.c:4238 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4215
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8ceaf9066a
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:00007f8cebe86e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f8cebe86ef0 RCX: 00007f8ceaf9066a
RDX: 0000200000000000 RSI: 0000200000000080 RDI: 00007f8cebe86eb0
RBP: 0000200000000000 R08: 00007f8cebe86ef0 R09: 0000000002000018
R10: 0000000002000018 R11: 0000000000000246 R12: 0000200000000080
R13: 00007f8cebe86eb0 R14: 00000000000006b6 R15: 0000200000000040
 </TASK>