hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 12046 at fs/hfsplus/bnode.c:573 hfsplus_bnode_create+0x14c/0x530 fs/hfsplus/bnode.c:573
Modules linked in:
CPU: 0 PID: 12046 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller-10323-g8f6a15f095a6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:hfsplus_bnode_create+0x14c/0x530 fs/hfsplus/bnode.c:573
Code: 0b 22 ff 45 39 fc 75 9e e8 71 11 22 ff 4c 89 f7 e8 39 38 81 08 e8 64 11 22 ff 44 89 e6 48 c7 c7 c0 c0 48 8b e8 85 7e 02 ff 90 <0f> 0b 90 e8 4c 11 22 ff 48 89 d8 48 83 c4 18 5b 5d 41 5c 41 5d 41
RSP: 0018:ffffc900034073b8 EFLAGS: 00010282
RAX: 0000000000000023 RBX: ffff88802d347c00 RCX: ffffc9000a44b000
RDX: 0000000000000000 RSI: ffffffff816ef996 RDI: 0000000000000005
RBP: ffff88807f398000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff88807f3980e0 R15: 0000000000000000
FS:  00007f1f766736c0(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 00000000498b0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x72c/0x830 fs/hfsplus/btree.c:415
 hfs_bnode_split+0xe5/0xdd0 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x2f7/0xc50 fs/hfsplus/brec.c:100
 hfsplus_rename_cat+0x7c9/0x1240 fs/hfsplus/catalog.c:491
 hfsplus_rename+0x118/0x200 fs/hfsplus/dir.c:552
 vfs_rename+0xf84/0x20a0 fs/namei.c:4887
 do_renameat2+0xc54/0xdc0 fs/namei.c:5044
 __do_sys_rename fs/namei.c:5091 [inline]
 __se_sys_rename fs/namei.c:5089 [inline]
 __x64_sys_rename+0x81/0xa0 fs/namei.c:5089
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1f7587cee9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1f766730c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f1f759ac050 RCX: 00007f1f7587cee9
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000000
RBP: 00007f1f758c949e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f1f759ac050 R15: 00007fff818e8a08
 </TASK>