hfs: new node 4 already hashed?
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1
WARNING: fs/hfs/bnode.c:478 at hfs_bnode_create+0x45a/0x4e0 fs/hfs/bnode.c:478, CPU#0: syz.8.414/8868
Modules linked in:
CPU: 0 UID: 0 PID: 8868 Comm: syz.8.414 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 07 78 77 fe e9 d6 fc ff ff e8 0d c7 16 ff 4c 89 ef e8 45 1e aa 08 48 c7 c7 00 5f 89 8b 89 ee e8 e7 77 77 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:ffffc90006b37448 EFLAGS: 00010246
RAX: 000000000000001f RBX: ffff88803ac72000 RCX: d0ed635fdb466600
RDX: ffffc9000e801000 RSI: 00000000000008ec RDI: 00000000000008ed
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000d66e39 R12: 0000000000000004
R13: ffff88803ac720d0 R14: ffff888020f09200 R15: dffffc0000000000
FS:  00007f85296966c0(0000) GS:ffff888125bc8000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f73f2be3000 CR3: 000000003ccae000 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: 0033:0x7f852b43e159
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:00007f8529696028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f852b6c5fa0 RCX: 00007f852b43e159
RDX: 000000000004c142 RSI: 0000200000000200 RDI: ffffffffffffff9c
RBP: 00007f852b4d506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f852b6c6038 R14: 00007f852b6c5fa0 R15: 00007ffdb49a8d98
 </TASK>