syzbot

loop0: detected capacity change from 0 to 1024
hfsplus: new node 0 already hashed?
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WARNING: CPU: 0 PID: 5824 at fs/hfsplus/bnode.c:579 hfsplus_bnode_create+0x3c2/0x450 fs/hfsplus/bnode.c:579
Modules linked in:
CPU: 0 UID: 0 PID: 5824 Comm: syz-executor288 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:hfsplus_bnode_create+0x3c2/0x450 fs/hfsplus/bnode.c:579
Code: 81 8b 89 ee e8 cf 99 94 fe e9 6e fd ff ff e8 b5 c5 2c ff 4c 89 ef e8 7d d2 c4 08 48 c7 c7 a0 5d 81 8b 89 ee e8 af 99 94 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:ffffc90004067578 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff88802f650000 RCX: 71d95a4b9fff2900
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffc90004067267 R09: 1ffff9200080ce4c
R10: dffffc0000000000 R11: fffff5200080ce4d R12: 0000000000000000
R13: ffff88802f6500e0 R14: ffff888030b98d00 R15: dffffc0000000000
FS:  0000555592070380(0000) GS:ffff8881260d7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563c3955b6a8 CR3: 000000007887e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x52d/0x5c0 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+0x9e9/0x1000 fs/hfsplus/catalog.c:308
 hfsplus_symlink+0x133/0x260 fs/hfsplus/dir.c:453
 vfs_symlink+0x140/0x2f0 fs/namei.c:4723
 do_symlinkat+0x1b1/0x3f0 fs/namei.c:4749
 __do_sys_symlink fs/namei.c:4770 [inline]
 __se_sys_symlink fs/namei.c:4768 [inline]
 __x64_sys_symlink+0x7a/0x90 fs/namei.c:4768
 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: 0033:0x7fc870ffe939
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe549704f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007fc870ffe939
RDX: 00007fc870ffd9d1 RSI: 0000200000000800 RDI: 0000200000000b00
RBP: 00007fc871072610 R08: 000000000000068c R09: 0000000000000000
R10: 00007ffe549703c0 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe549706c8 R14: 0000000000000001 R15: 0000000000000001
 </TASK>