loop0: detected capacity change from 0 to 1024
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5324 at fs/hfsplus/bnode.c:579 hfsplus_bnode_create+0x3b9/0x450 fs/hfsplus/bnode.c:579
Modules linked in:
CPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.15.0-rc3-syzkaller-00001-g9d7a0577c9db #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:hfsplus_bnode_create+0x3b9/0x450 fs/hfsplus/bnode.c:579
Code: 44 89 e6 e8 69 08 7c fe e9 78 fd ff ff e8 1f b9 17 ff 4c 89 ff e8 57 5c 87 09 48 c7 c7 60 70 61 8c 44 89 e6 e8 48 08 7c 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: 0000:ffffc9000d2f7098 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff88803611c900 RCX: a09ec0846347c400
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81a21d5c R09: 1ffff92001a5edb0
R10: dffffc0000000000 R11: fffff52001a5edb1 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888053330000 R15: ffff8880533300e0
FS:  00007f73507e76c0(0000) GS:ffff88808c59a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f734393d000 CR3: 0000000043c70000 CR4: 0000000000352ef0
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+0x4e4/0x1bd0 fs/hfsplus/catalog.c:292
 hfsplus_mknod+0x16a/0x2a0 fs/hfsplus/dir.c:494
 lookup_open fs/namei.c:3701 [inline]
 open_last_lookups fs/namei.c:3800 [inline]
 path_openat+0x194b/0x35d0 fs/namei.c:4036
 do_filp_open+0x284/0x4e0 fs/namei.c:4066
 do_sys_openat2+0x12b/0x1d0 fs/open.c:1429
 do_sys_open fs/open.c:1444 [inline]
 __do_sys_creat fs/open.c:1522 [inline]
 __se_sys_creat fs/open.c:1516 [inline]
 __x64_sys_creat+0x124/0x170 fs/open.c:1516
 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: 0033:0x7f734f98e169
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:00007f73507e7038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f734fbb5fa0 RCX: 00007f734f98e169
RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000200000000100
RBP: 00007f734fa10a68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f734fbb5fa0 R15: 00007ffc98fe9368
 </TASK>