loop1: detected capacity change from 0 to 1024
------------[ cut here ]------------
kernel BUG at fs/hfsplus/bnode.c:675!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6211 Comm: syz.1.70 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:hfsplus_bnode_put+0x532/0x5c0 fs/hfsplus/bnode.c:675
Code: de 81 e6 00 00 00 40 31 ff e8 3a 0d 22 ff 81 e3 00 00 00 40 75 16 e8 ed 08 22 ff 4c 8b 3c 24 e9 25 fb ff ff e8 df 08 22 ff 90 <0f> 0b e8 d7 08 22 ff e8 f2 37 94 fe eb e3 44 89 f9 80 e1 07 80 c1
RSP: 0018:ffffc9000b0df110 EFLAGS: 00010283
RAX: ffffffff829e7b31 RBX: 1ffff110052fbd60 RCX: 0000000000080000
RDX: ffffc9000bec2000 RSI: 0000000000005119 RDI: 000000000000511a
RBP: 0000000000000000 R08: ffff8880297deb83 R09: 1ffff110052fbd70
R10: dffffc0000000000 R11: ffffed10052fbd71 R12: ffff8880297deb80
R13: ffff8880297deb00 R14: dffffc0000000000 R15: ffff888031242000
FS:  00007f51057f06c0(0000) GS:ffff888125ee5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000031764000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x73b/0xaf0 fs/hfsplus/btree.c:420
 hfs_bnode_split+0xcc/0x1080 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x3b6/0xd70 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0x9a9/0x10d0 fs/hfsplus/catalog.c:308
 hfsplus_mknod+0x16a/0x290 fs/hfsplus/dir.c:494
 lookup_open fs/namei.c:3796 [inline]
 open_last_lookups fs/namei.c:3895 [inline]
 path_openat+0x14f4/0x3830 fs/namei.c:4131
 do_filp_open+0x1fa/0x410 fs/namei.c:4161
 do_sys_openat2+0x121/0x1c0 fs/open.c:1437
 do_sys_open fs/open.c:1452 [inline]
 __do_sys_creat fs/open.c:1530 [inline]
 __se_sys_creat fs/open.c:1524 [inline]
 __x64_sys_creat+0x8f/0xc0 fs/open.c:1524
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f510498efc9
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:00007f51057f0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f5104be5fa0 RCX: 00007f510498efc9
RDX: 0000000000000000 RSI: 0000000000000011 RDI: 0000200000000700
RBP: 00007f5104a11f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5104be6038 R14: 00007f5104be5fa0 R15: 00007ffd04765508
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfsplus_bnode_put+0x532/0x5c0 fs/hfsplus/bnode.c:675
Code: de 81 e6 00 00 00 40 31 ff e8 3a 0d 22 ff 81 e3 00 00 00 40 75 16 e8 ed 08 22 ff 4c 8b 3c 24 e9 25 fb ff ff e8 df 08 22 ff 90 <0f> 0b e8 d7 08 22 ff e8 f2 37 94 fe eb e3 44 89 f9 80 e1 07 80 c1
RSP: 0018:ffffc9000b0df110 EFLAGS: 00010283
RAX: ffffffff829e7b31 RBX: 1ffff110052fbd60 RCX: 0000000000080000
RDX: ffffc9000bec2000 RSI: 0000000000005119 RDI: 000000000000511a
RBP: 0000000000000000 R08: ffff8880297deb83 R09: 1ffff110052fbd70
R10: dffffc0000000000 R11: ffffed10052fbd71 R12: ffff8880297deb80
R13: ffff8880297deb00 R14: dffffc0000000000 R15: ffff888031242000
FS:  00007f51057f06c0(0000) GS:ffff888125ee5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f11277b3ad8 CR3: 0000000031764000 CR4: 00000000003526f0