loop9: detected capacity change from 0 to 64
hfs: new node 4 already hashed?
------------[ cut here ]------------
1
WARNING: fs/hfs/bnode.c:520 at hfs_bnode_create+0x45a/0x4e0 fs/hfs/bnode.c:520, CPU#0: syz.9.794/9732
Modules linked in:
CPU: 0 UID: 0 PID: 9732 Comm: syz.9.794 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:hfs_bnode_create+0x45a/0x4e0 fs/hfs/bnode.c:520
Code: 67 8b 89 ee e8 77 6f 7d fe e9 d6 fc ff ff e8 7d 41 1b ff 4c 89 ef e8 05 ed 7f 08 48 c7 c7 60 fa 67 8b 89 ee e8 57 6f 7d 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:ffffc90004d07768 EFLAGS: 00010246
RAX: 000000000000001f RBX: ffff88805af4c000 RCX: eb892eb8235c5800
RDX: ffffc90015434000 RSI: 0000000000000988 RDI: 0000000000000989
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff520009a0e9d R12: 0000000000000004
R13: ffff88805af4c0d0 R14: ffff88802ad08000 R15: dffffc0000000000
FS:  00007f787bf766c0(0000) GS:ffff888126111000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f90f0b99270 CR3: 000000003778a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 hfs_bmap_alloc+0x5bd/0x650 fs/hfs/btree.c:326
 hfs_bnode_split+0xd4/0x1070 fs/hfsplus/brec.c:-1
 hfs_brec_insert+0x3a4/0xc80 fs/hfs/brec.c:102
 hfs_cat_create+0x50c/0x810 fs/hfs/catalog.c:131
 hfs_create+0x78/0xe0 fs/hfs/dir.c:196
 vfs_create+0x2c8/0x460 fs/namei.c:4202
 filename_mknodat+0x3ec/0x670 fs/namei.c:5181
 __do_sys_mknod fs/namei.c:5218 [inline]
 __se_sys_mknod+0x3a/0x150 fs/namei.c:5215
 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: 0033:0x7f787dd1de59
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:00007f787bf76028 EFLAGS: 00000246 ORIG_RAX: 0000000000000085
RAX: ffffffffffffffda RBX: 00007f787dfa5fa0 RCX: 00007f787dd1de59
RDX: 0000000000000009 RSI: 0000000000000400 RDI: 0000200000000140
RBP: 00007f787ddb3e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f787dfa6038 R14: 00007f787dfa5fa0 R15: 00007ffdcc454d58
 </TASK>