loop6: detected capacity change from 0 to 1024
------------[ cut here ]------------
kernel BUG at fs/hfsplus/bnode.c:618!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7744 Comm: syz.6.1079 Not tainted 6.1.129-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:hfsplus_bnode_put+0x507/0x510 fs/hfsplus/bnode.c:618
Code: 82 ff e9 bf fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c f3 fe ff ff 4c 89 ef e8 73 0c 82 ff e9 e6 fe ff ff e8 39 b4 2a ff <0f> 0b e8 32 b4 2a ff 0f 0b 55 41 57 41 56 41 54 53 41 89 f7 49 89
RSP: 0018:ffffc9000494f370 EFLAGS: 00010283
RAX: ffffffff825fe297 RBX: ffff88805726f180 RCX: 0000000000080000
RDX: ffffc9001b800000 RSI: 0000000000004633 RDI: 0000000000004634
RBP: 0000000000000000 R08: ffffffff825fde0c R09: ffffed100ae4de31
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88805726f100
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88807f6cc000
FS:  00007fd60df5d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d42021c CR3: 000000007ada7000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x58c/0x630 fs/hfsplus/btree.c:414
 hfs_bnode_split+0xda/0x1100 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x3a2/0xdd0 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0xeea/0x1ba0 fs/hfsplus/catalog.c:308
 hfsplus_link+0x4b6/0x840 fs/hfsplus/dir.c:342
 vfs_link+0x65e/0x810 fs/namei.c:4599
 do_linkat+0x352/0x750 fs/namei.c:4670
 __do_sys_link fs/namei.c:4704 [inline]
 __se_sys_link fs/namei.c:4702 [inline]
 __x64_sys_link+0x82/0x90 fs/namei.c:4702
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd60d18d169
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:00007fd60df5d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000056
RAX: ffffffffffffffda RBX: 00007fd60d3a5fa0 RCX: 00007fd60d18d169
RDX: 0000000000000000 RSI: 0000400000000240 RDI: 00004000000001c0
RBP: 00007fd60d20e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd60d3a5fa0 R15: 00007fff77819e38
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfsplus_bnode_put+0x507/0x510 fs/hfsplus/bnode.c:618
Code: 82 ff e9 bf fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c f3 fe ff ff 4c 89 ef e8 73 0c 82 ff e9 e6 fe ff ff e8 39 b4 2a ff <0f> 0b e8 32 b4 2a ff 0f 0b 55 41 57 41 56 41 54 53 41 89 f7 49 89
RSP: 0018:ffffc9000494f370 EFLAGS: 00010283

RAX: ffffffff825fe297 RBX: ffff88805726f180 RCX: 0000000000080000
RDX: ffffc9001b800000 RSI: 0000000000004633 RDI: 0000000000004634
RBP: 0000000000000000 R08: ffffffff825fde0c R09: ffffed100ae4de31
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88805726f100
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88807f6cc000
FS:  00007fd60df5d6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2da15ff8 CR3: 000000007ada7000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400