loop4: detected capacity change from 0 to 1024
------------[ cut here ]------------
kernel BUG at fs/hfsplus/bnode.c:716!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6457 Comm: syz.4.122 Not tainted 6.16.0-next-20250804-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:hfsplus_bnode_put+0x54a/0x560 fs/hfsplus/bnode.c:716
Code: 8b ff e9 b2 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f0 fe ff ff 48 89 df e8 a1 09 8b ff e9 e3 fe ff ff e8 67 9f 27 ff 90 <0f> 0b e8 5f 9f 27 ff 90 0f 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc9000ecb73a8 EFLAGS: 00010287
RAX: ffffffff829813f9 RBX: ffff88814c256100 RCX: 0000000000080000
RDX: ffffc9000c76a000 RSI: 0000000000009168 RDI: 0000000000009169
RBP: 0000000000000000 R08: ffff88814c256183 R09: 1ffff1102984ac30
R10: dffffc0000000000 R11: ffffed102984ac31 R12: ffff88814c256180
R13: 1ffff92001d96e88 R14: dffffc0000000000 R15: ffff888077774000
FS:  00007f77da1f66c0(0000) GS:ffff888125d17000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3e37e8 CR3: 0000000075f90000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x5a5/0x640 fs/hfsplus/btree.c:414
 hfs_bnode_split+0xcc/0xef0 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x38f/0xcc0 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0x9e9/0x1000 fs/hfsplus/catalog.c:308
 hfsplus_link+0x3eb/0x6a0 fs/hfsplus/dir.c:342
 vfs_link+0x4ea/0x6e0 fs/namei.c:4854
 do_linkat+0x272/0x560 fs/namei.c:4924
 __do_sys_link fs/namei.c:4958 [inline]
 __se_sys_link fs/namei.c:4956 [inline]
 __x64_sys_link+0x82/0x90 fs/namei.c:4956
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f77dc38eb69
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f77da1f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000056
RAX: ffffffffffffffda RBX: 00007f77dc5b5fa0 RCX: 00007f77dc38eb69
RDX: 0000000000000000 RSI: 0000200000000240 RDI: 00002000000001c0
RBP: 00007f77dc411df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f77dc5b5fa0 R15: 00007ffeadd96038
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfsplus_bnode_put+0x54a/0x560 fs/hfsplus/bnode.c:716
Code: 8b ff e9 b2 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f0 fe ff ff 48 89 df e8 a1 09 8b ff e9 e3 fe ff ff e8 67 9f 27 ff 90 <0f> 0b e8 5f 9f 27 ff 90 0f 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc9000ecb73a8 EFLAGS: 00010287
RAX: ffffffff829813f9 RBX: ffff88814c256100 RCX: 0000000000080000
RDX: ffffc9000c76a000 RSI: 0000000000009168 RDI: 0000000000009169
RBP: 0000000000000000 R08: ffff88814c256183 R09: 1ffff1102984ac30
R10: dffffc0000000000 R11: ffffed102984ac31 R12: ffff88814c256180
R13: 1ffff92001d96e88 R14: dffffc0000000000 R15: ffff888077774000
FS:  00007f77da1f66c0(0000) GS:ffff888125d17000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff3b965c78 CR3: 0000000075f90000 CR4: 00000000003526f0