hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 1 PID: 9739 at fs/hfsplus/bnode.c:584 hfsplus_bnode_create+0x3dd/0x460 fs/hfsplus/bnode.c:583
Modules linked in:
CPU: 0 PID: 9739 Comm: syz.2.1353 Not tainted 5.15.163-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:hfsplus_bnode_create+0x3dd/0x460 fs/hfsplus/bnode.c:584
Code: 8a 44 89 e6 e8 a4 e6 db 07 e9 4c fd ff ff e8 da c1 3e ff 4c 89 ef e8 92 8f e6 07 48 c7 c7 60 7b 9f 8a 44 89 e6 e8 83 e6 db 07 <0f> 0b eb b5 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 59 fc ff ff 48 89
RSP: 0018:ffffc90002cd6fd0 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff888062c81200 RCX: a6f2aa6d46dacc00
RDX: ffffc9000a97c000 RSI: 000000000000aed7 RDI: 000000000000aed8
RBP: 0000000000000000 R08: ffffffff8166868c R09: fffffbfff1f7f43b
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88814a81a0e0 R14: ffff88814a81a000 R15: dffffc0000000000
FS:  00007fd79efab6c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056233f3e4208 CR3: 0000000074f99000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x63c/0x720 fs/hfsplus/btree.c:414
 hfs_bnode_split+0xda/0x1100 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x3a2/0xdd0 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0x498/0x1ba0 fs/hfsplus/catalog.c:292
 hfsplus_fill_super+0x13e6/0x1c90 fs/hfsplus/super.c:560
 mount_bdev+0x2c9/0x3f0 fs/super.c:1387
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1517
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3005
 do_mount fs/namespace.c:3348 [inline]
 __do_sys_mount fs/namespace.c:3556 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3533
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fd7a052c25a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 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:00007fd79efaae78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd79efaaf00 RCX: 00007fd7a052c25a
RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007fd79efaaec0
RBP: 0000000020000000 R08: 00007fd79efaaf00 R09: 0000000002000010
R10: 0000000002000010 R11: 0000000000000206 R12: 0000000020000040
R13: 00007fd79efaaec0 R14: 00000000000006d0 R15: 0000000020000080
 </TASK>