------------[ cut here ]------------
kernel BUG at fs/hfsplus/bnode.c:716!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6157 Comm[  131.988193][ T6157] CPU: 1 UID: 0 PID: 6157 Comm: syz.4.39 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:hfsplus_bnode_put+0x54a/0x560 fs/hfsplus/bnode.c:716
Code: 8f 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 c1 c1 8f ff e9 e3 fe ff ff e8 57 7b 30 ff 90 <0f> 0b e8 4f 7b 30 ff 90 0f 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc9000601f0a8 EFLAGS: 00010283
RAX: ffffffff828df2e9 RBX: ffff888026d11600 RCX: 0000000000080000
RDX: ffffc9000e8bb000 RSI: 000000000000429c RDI: 000000000000429d
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1004da22d9 R12: ffff888026d116c0
R13: 1ffff92000c03e28 R14: dffffc0000000000 R15: ffff88803ac72000
FS:  00007f2cc9bbd6c0(0000) GS:ffff8881269bc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fafe5a00000 CR3: 0000000030d48000 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+0x3b6/0x1020 fs/hfsplus/catalog.c:292
 hfsplus_mknod+0x16a/0x290 fs/hfsplus/dir.c:494
 lookup_open fs/namei.c:3708 [inline]
 open_last_lookups fs/namei.c:3807 [inline]
 path_openat+0x1500/0x3840 fs/namei.c:4043
 do_filp_open+0x1fa/0x410 fs/namei.c:4073
 do_sys_openat2+0x121/0x1c0 fs/open.c:1435
 do_sys_open fs/open.c:1450 [inline]
 __do_sys_creat fs/open.c:1528 [inline]
 __se_sys_creat fs/open.c:1522 [inline]
 __x64_sys_creat+0x8f/0xc0 fs/open.c:1522
 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: 0033:0x7f2ccb97eec9
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:00007f2cc9bbd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f2ccbbd6090 RCX: 00007f2ccb97eec9
RDX: 0000000000000000 RSI: 0000000000000182 RDI: 0000200000000300
RBP: 00007f2ccba01f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2ccbbd6128 R14: 00007f2ccbbd6090 R15: 00007ffe1388e8b8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfsplus_bnode_put+0x54a/0x560 fs/hfsplus/bnode.c:716
Code: 8f 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 c1 c1 8f ff e9 e3 fe ff ff e8 57 7b 30 ff 90 <0f> 0b e8 4f 7b 30 ff 90 0f 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc9000601f0a8 EFLAGS: 00010283
RAX: ffffffff828df2e9 RBX: ffff888026d11600 RCX: 0000000000080000
RDX: ffffc9000e8bb000 RSI: 000000000000429c RDI: 000000000000429d
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: ffffed1004da22d9 R12: ffff888026d116c0
R13: 1ffff92000c03e28 R14: dffffc0000000000 R15: ffff88803ac72000
FS:  00007f2cc9bbd6c0(0000) GS:ffff8881269bc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fafe5a00000 CR3: 0000000030d48000 CR4: 00000000003526f0