loop1: detected capacity change from 0 to 1024
hfsplus: new node 1 already hashed?
------------[ cut here ]------------
1
WARNING: fs/hfsplus/bnode.c:634 at hfsplus_bnode_create+0x45d/0x4f0 fs/hfsplus/bnode.c:634, CPU#1: syz.1.499/9856
Modules linked in:
CPU: 1 UID: 0 PID: 9856 Comm: syz.1.499 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 3f 7e fe e9 cf fc ff ff e8 fa a7 1c ff 4c 89 f7 e8 82 c5 9c 08 48 c7 c7 20 d0 87 8b 89 ee e8 d4 3f 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:ffffc90005b3f5e0 EFLAGS: 00010246
RAX: 0000000000000023 RBX: dffffc0000000000 RCX: 7873d361d28d1500
RDX: ffffc90004659000 RSI: 0000000000002b51 RDI: 0000000000002b52
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffff52000b67e6d R12: 0000000000000001
R13: ffff888063e8a000 R14: ffff888063e8a0d0 R15: ffff888032d7fa00
FS:  00007f3ed12c66c0(0000) GS:ffff888125d46000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe24a6b3b8 CR3: 000000002c49c000 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+0xa7e/0x1240 fs/hfsplus/catalog.c:308
 hfsplus_mknod+0x184/0x3c0 fs/hfsplus/dir.c:532
 vfs_create+0x2c8/0x460 fs/namei.c:4202
 filename_mknodat+0x3ec/0x670 fs/namei.c:5185
 __do_sys_mknod fs/namei.c:5222 [inline]
 __se_sys_mknod+0x3a/0x150 fs/namei.c:5219
 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: 0033:0x7f3ed306e0d9
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:00007f3ed12c6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000085
RAX: ffffffffffffffda RBX: 00007f3ed32f5fa0 RCX: 00007f3ed306e0d9
RDX: 0000000000000703 RSI: 0000000000000008 RDI: 0000200000000800
RBP: 00007f3ed3105024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3ed32f6038 R14: 00007f3ed32f5fa0 R15: 00007ffd1e526f88
 </TASK>