hfs: new node 4 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5960 at fs/hfs/bnode.c:530 hfs_bnode_create+0x3d1/0x450 fs/hfs/bnode.c:529
Modules linked in:
CPU: 0 PID: 5960 Comm: syz.1.388 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:hfs_bnode_create+0x3d1/0x450 fs/hfs/bnode.c:530
Code: 9a 3f 8a 89 ee e8 1f a5 82 07 e9 57 fd ff ff e8 d5 b7 49 ff 4c 89 ef e8 0d bb 96 07 48 c7 c7 80 9a 3f 8a 89 ee e8 ff a4 82 07 <0f> 0b eb b7 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 63 fc ff ff 4c
RSP: 0018:ffffc90003a17350 EFLAGS: 00010246
RAX: 000000000000001f RBX: ffff888029db2000 RCX: af21d553c0aef800
RDX: ffffc90010254000 RSI: 000000000000470d RDI: 000000000000470e
RBP: 0000000000000004 R08: ffff8880b9033d7f R09: 1ffff110172067af
R10: dffffc0000000000 R11: ffffed10172067b0 R12: 0000000000000004
R13: ffff888029db20e0 R14: ffff888017942c00 R15: dffffc0000000000
FS:  00007f70879ce6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ac207a1950 CR3: 000000005093d000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfs_bmap_alloc+0x5b8/0x670 fs/hfs/btree.c:288
 hfs_bnode_split+0xd1/0xef0 fs/hfsplus/brec.c:245
 hfs_brec_insert+0x37a/0xbd0 fs/hfs/brec.c:102
 hfs_cat_create+0x38c/0x8e0 fs/hfs/catalog.c:118
 hfs_create+0x62/0xd0 fs/hfs/dir.c:202
 lookup_open fs/namei.c:3470 [inline]
 open_last_lookups fs/namei.c:3540 [inline]
 path_openat+0x11db/0x2fa0 fs/namei.c:3747
 do_filp_open+0x1e2/0x410 fs/namei.c:3777
 do_sys_openat2+0x150/0x4b0 fs/open.c:1255
 do_sys_open fs/open.c:1271 [inline]
 __do_sys_openat fs/open.c:1287 [inline]
 __se_sys_openat fs/open.c:1282 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1282
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f70897b6dd9
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:00007f70879ce028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f7089a30180 RCX: 00007f70897b6dd9
RDX: 0000000000143042 RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007f708984cd69 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000000f0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7089a30218 R14: 00007f7089a30180 R15: 00007fffc8a57c48
 </TASK>