hfs: new node 4 already hashed?
------------[ cut here ]------------
1
WARNING: fs/hfs/bnode.c:478 at hfs_bnode_create+0x45a/0x4e0 fs/hfs/bnode.c:478, CPU#1: syz.7.581/12054
Modules linked in:
CPU: 1 UID: 0 PID: 12054 Comm: syz.7.581 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:hfs_bnode_create+0x45a/0x4e0 fs/hfs/bnode.c:478
Code: 89 8b 89 ee e8 57 ec 78 fe e9 d6 fc ff ff e8 7d 7a 17 ff 4c 89 ef e8 25 a0 a2 08 48 c7 c7 40 30 89 8b 89 ee e8 37 ec 78 fe 90 <0f> 0b 90 eb b0 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c dd fb ff ff
RSP: 0018:ffffc9000626f448 EFLAGS: 00010246
RAX: 000000000000001f RBX: ffff888062302000 RCX: d6e5ca9e827fb600
RDX: ffffc900068a2000 RSI: 00000000000009e4 RDI: 00000000000009e5
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000c4de39 R12: 0000000000000004
R13: ffff8880623020d0 R14: ffff8880420e2200 R15: dffffc0000000000
FS:  00007ff670d166c0(0000) GS:ffff888125d06000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff6688f3000 CR3: 000000002bf0e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 hfs_bnode_split+0xd4/0x1070 fs/hfsplus/brec.c:-1
 hfs_brec_insert+0x3a4/0xc80 fs/hfs/brec.c:102
 hfs_cat_create+0x537/0x870 fs/hfs/catalog.c:131
 hfs_create+0x78/0xe0 fs/hfs/dir.c:196
 lookup_open+0xc17/0x1a60 fs/namei.c:4567
 open_last_lookups fs/namei.c:4767 [inline]
 path_openat+0x67c/0x1d60 fs/namei.c:4997
 do_file_open+0x23e/0x4a0 fs/namei.c:5029
 do_sys_openat2+0x115/0x200 fs/open.c:1417
 do_sys_open fs/open.c:1423 [inline]
 __do_sys_openat fs/open.c:1439 [inline]
 __se_sys_openat fs/open.c:1434 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1434
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff672abe0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff670d16028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ff672d45fa0 RCX: 00007ff672abe0d9
RDX: 00000000000c4042 RSI: 0000200000000300 RDI: ffffffffffffff9c
RBP: 00007ff672b55024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff672d46038 R14: 00007ff672d45fa0 R15: 00007ffda3b8bb08
 </TASK>