hfsplus: new node 1 already hashed?
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1
WARNING: fs/hfsplus/bnode.c:634 at hfsplus_bnode_create+0x45d/0x4f0 fs/hfsplus/bnode.c:634, CPU#1: syz.2.177/6773
Modules linked in:
CPU: 1 UID: 0 PID: 6773 Comm: syz.2.177 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:hfsplus_bnode_create+0x45d/0x4f0 fs/hfsplus/bnode.c:634
Code: 87 8b 89 ee e8 f4 4d 7e fe e9 cf fc ff ff e8 6a b7 1c ff 4c 89 f7 e8 c2 b3 9c 08 48 c7 c7 20 d0 87 8b 89 ee e8 d4 4d 7e fe 90 <0f> 0b 90 49 c7 c5 ef ff ff ff eb a9 44 89 f9 80 e1 07 80 c1 03 38
RSP: 0018:ffffc9000e6375a0 EFLAGS: 00010246
RAX: 0000000000000023 RBX: dffffc0000000000 RCX: a2eddc0ed1fac500
RDX: ffffc90005261000 RSI: 000000000000329b RDI: 000000000000329c
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52001cc6e65 R12: 0000000000000001
R13: ffff88803a49e000 R14: ffff88803a49e0d0 R15: ffff888039ed0e00
FS:  00007f94546666c0(0000) GS:ffff888125d46000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feb67710000 CR3: 000000003c2b6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 hfs_bnode_split+0xd2/0x1070 fs/hfsplus/brec.c:248
 hfsplus_brec_insert+0x3bb/0xde0 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0x437/0x1240 fs/hfsplus/catalog.c:292
 hfsplus_mknod+0x184/0x3c0 fs/hfsplus/dir.c:532
 hfsplus_mkdir+0x2c/0x40 fs/hfsplus/dir.c:573
 vfs_mkdir+0x402/0x620 fs/namei.c:5276
 filename_mkdirat+0x289/0x520 fs/namei.c:5309
 __do_sys_mkdirat fs/namei.c:5330 [inline]
 __se_sys_mkdirat+0x35/0x150 fs/namei.c:5327
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f945640cf47
Code: 00 66 90 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 db f7 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 b8 02 01 00 00 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:00007f9454665e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f9454665ee0 RCX: 00007f945640cf47
RDX: 00000000000001ff RSI: 00002000000005c0 RDI: 00000000ffffff9c
RBP: 0000200000000080 R08: 0000200000000140 R09: 0000000000000000
R10: 0000200000000080 R11: 0000000000000246 R12: 00002000000005c0
R13: 00007f9454665ea0 R14: 0000000000000000 R15: 0000000000000000
 </TASK>