loop0: detected capacity change from 0 to 1024
hfsplus: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5043 at fs/hfsplus/bnode.c:642 hfsplus_bnode_create+0x3d1/0x450 fs/hfsplus/bnode.c:641
Modules linked in:
CPU: 0 PID: 5043 Comm: syz.0.15 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:hfsplus_bnode_create+0x3d1/0x450 fs/hfsplus/bnode.c:642
Code: 7f 3f 8a 89 ee e8 5f 8d 83 07 e9 57 fd ff ff e8 25 6b 4b ff 4c 89 ef e8 2d a2 97 07 48 c7 c7 60 7f 3f 8a 89 ee e8 3f 8d 83 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:ffffc900030ef3f0 EFLAGS: 00010246
RAX: 0000000000000023 RBX: ffff888024444000 RCX: 627ce7487ee78600
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8880b9033d7f R09: 1ffff110172067af
R10: dffffc0000000000 R11: ffffed10172067b0 R12: 0000000000000000
R13: ffff8880244440e0 R14: ffff888025549d00 R15: dffffc0000000000
FS:  00007f737f5db6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f73803abec0 CR3: 000000005e546000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x698/0xa70 fs/hfsplus/btree.c:420
 hfs_bnode_split+0xd1/0xef0 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x391/0xcc0 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0xa67/0x10c0 fs/hfsplus/catalog.c:308
 hfsplus_link+0x411/0x730 fs/hfsplus/dir.c:342
 vfs_link+0x615/0x7c0 fs/namei.c:4565
 do_linkat+0x285/0x860 fs/namei.c:4636
 __do_sys_linkat fs/namei.c:4664 [inline]
 __se_sys_linkat fs/namei.c:4661 [inline]
 __x64_sys_linkat+0xda/0xf0 fs/namei.c:4661
 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: 0033:0x7f738035ef09
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:00007f737f5db038 EFLAGS: 00000246 ORIG_RAX: 0000000000000109
RAX: ffffffffffffffda RBX: 00007f7380502f80 RCX: 00007f738035ef09
RDX: 0000000000000005 RSI: 0000000020000180 RDI: 0000000000000005
RBP: 00007f73803dd924 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000640 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7380502f80 R15: 00007fff61005c18
 </TASK>