------------[ cut here ]------------
kernel BUG at fs/hfsplus/bnode.c:637!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 7726 Comm: syz.9.624 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:hfsplus_bnode_put+0x537/0x540 fs/hfsplus/bnode.c:637
Code: f8 91 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 43 f7 91 ff e9 e3 fe ff ff e8 09 94 4d ff <0f> 0b e8 02 94 4d ff 0f 0b 55 41 57 41 56 41 54 53 89 f3 49 89 fe
RSP: 0018:ffffc900033df408 EFLAGS: 00010287
RAX: ffffffff822a3017 RBX: ffff88802b5c1400 RCX: 0000000000080000
RDX: ffffc90015d7d000 RSI: 0000000000023354 RDI: 0000000000023355
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10056b8291
R10: ffffed10056b8291 R11: 1ffff110056b8290 R12: ffff88802b5c1480
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88804f624000
FS:  00007f8db7a4f6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5b26b35000 CR3: 00000000199b6000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x58a/0x640 fs/hfsplus/btree.c:413
 hfs_bnode_split+0xc9/0xee0 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x38b/0xcc0 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0x9dc/0x1020 fs/hfsplus/catalog.c:308
 hfsplus_link+0x3e1/0x700 fs/hfsplus/dir.c:342
 vfs_link+0x615/0x7c0 fs/namei.c:4557
 do_linkat+0x277/0x7b0 fs/namei.c:4628
 __do_sys_link fs/namei.c:4662 [inline]
 __se_sys_link fs/namei.c:4660 [inline]
 __x64_sys_link+0x82/0x90 fs/namei.c:4660
 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: 0033:0x7f8db9be7b69
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:00007f8db7a4f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000056
RAX: ffffffffffffffda RBX: 00007f8db9e0efa0 RCX: 00007f8db9be7b69
RDX: 0000000000000000 RSI: 0000200000000240 RDI: 00002000000001c0
RBP: 00007f8db9c6adf1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8db9e0efa0 R15: 00007fff6443de48
 </TASK>
Modules linked in:
---[ end trace 531d6306b82bf5c1 ]---
RIP: 0010:hfsplus_bnode_put+0x537/0x540 fs/hfsplus/bnode.c:637
Code: f8 91 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 43 f7 91 ff e9 e3 fe ff ff e8 09 94 4d ff <0f> 0b e8 02 94 4d ff 0f 0b 55 41 57 41 56 41 54 53 89 f3 49 89 fe
RSP: 0018:ffffc900033df408 EFLAGS: 00010287
RAX: ffffffff822a3017 RBX: ffff88802b5c1400 RCX: 0000000000080000
RDX: ffffc90015d7d000 RSI: 0000000000023354 RDI: 0000000000023355
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10056b8291
R10: ffffed10056b8291 R11: 1ffff110056b8290 R12: ffff88802b5c1480
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88804f624000
FS:  00007f8db7a4f6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5b31081ad8 CR3: 00000000199b6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400