loop3: detected capacity change from 0 to 1024
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 9065 at fs/hfsplus/bnode.c:579 hfsplus_bnode_create+0x3b9/0x450 fs/hfsplus/bnode.c:579
Modules linked in:
CPU: 0 UID: 0 PID: 9065 Comm: syz.3.337 Not tainted 6.15.0-rc2-syzkaller-00471-g119009db2674 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:hfsplus_bnode_create+0x3b9/0x450 fs/hfsplus/bnode.c:579
Code: 44 89 e6 e8 69 97 7e fe e9 78 fd ff ff e8 df 4b 1a ff 4c 89 ff e8 87 ff 81 09 48 c7 c7 60 5c 61 8c 44 89 e6 e8 48 97 7e 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:ffffc9000b57f4f8 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff888065ccdf00 RCX: 64e71d32b9d40100
RDX: ffffc9000c7c5000 RSI: 000000000000eee2 RDI: 000000000000eee3
RBP: 0000000000000000 R08: ffffffff81a21cac R09: 1ffff920016afe3c
R10: dffffc0000000000 R11: fffff520016afe3d R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888055c94000 R15: ffff888055c940e0
FS:  00007fa8d05526c0(0000) GS:ffff888124fcf000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3021fffc CR3: 0000000060ed6000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x5e0/0x680 fs/hfsplus/btree.c:415
 hfs_bnode_split+0xe5/0x1170 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x3a9/0xde0 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0xf62/0x1bd0 fs/hfsplus/catalog.c:308
 hfsplus_mknod+0x16a/0x2a0 fs/hfsplus/dir.c:494
 vfs_mknod+0x36d/0x3b0 fs/namei.c:4228
 do_mknodat+0x473/0x600 fs/namei.c:-1
 __do_sys_mknod fs/namei.c:4311 [inline]
 __se_sys_mknod fs/namei.c:4309 [inline]
 __x64_sys_mknod+0x8c/0xa0 fs/namei.c:4309
 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: 0033:0x7fa8cf78e169
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:00007fa8d0552038 EFLAGS: 00000246 ORIG_RAX: 0000000000000085
RAX: ffffffffffffffda RBX: 00007fa8cf9b5fa0 RCX: 00007fa8cf78e169
RDX: 0000000000000707 RSI: 0000000000002000 RDI: 0000200000000000
RBP: 00007fa8cf810a68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa8cf9b5fa0 R15: 00007ffe787c7e38
 </TASK>