syzbot

loop0: detected capacity change from 0 to 1024
------------[ cut here ]------------
kernel BUG at fs/hfsplus/xattr.c:175!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4435 Comm: syz.0.17 Not tainted 6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2025
RIP: 0010:hfsplus_create_attributes_file fs/hfsplus/xattr.c:175 [inline]
RIP: 0010:__hfsplus_setxattr+0x1f47/0x1f60 fs/hfsplus/xattr.c:331
Code: 8b 8a ff e9 61 fb ff ff e8 06 6e 3a ff 4c 89 e7 48 c7 c6 80 98 a2 8a e8 17 fa 74 ff 0f 0b e8 f0 6d 3a ff 0f 0b e8 e9 6d 3a ff <0f> 0b e8 e2 6d 3a ff e9 76 f1 ff ff 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc90003ea74e0 EFLAGS: 00010293
RAX: ffffffff82465077 RBX: 1ffff920007d4eb8 RCX: ffff88807a7f8000
RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000
RBP: ffffc90003ea7998 R08: dffffc0000000000 R09: ffffed100e9ed1f8
R10: ffffed100e9ed1f8 R11: 1ffff1100e9ed1f7 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000010000 R15: ffff888074f68f30
FS:  000055557df56500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e263fff CR3: 000000001d7ed000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_setxattr+0xd8/0x120 fs/hfsplus/xattr.c:434
 hfsplus_user_setxattr+0x3c/0x50 fs/hfsplus/xattr_user.c:30
 __vfs_setxattr+0x3e0/0x420 fs/xattr.c:182
 __vfs_setxattr_noperm+0x129/0x5e0 fs/xattr.c:216
 vfs_setxattr+0x168/0x2f0 fs/xattr.c:309
 do_setxattr fs/xattr.c:594 [inline]
 setxattr+0x2b2/0x2d0 fs/xattr.c:617
 path_setxattr+0x142/0x280 fs/xattr.c:636
 __do_sys_setxattr fs/xattr.c:652 [inline]
 __se_sys_setxattr fs/xattr.c:648 [inline]
 __x64_sys_setxattr+0xb7/0xd0 fs/xattr.c:648
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fcf9a38ebe9
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:00007ffe7e858ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007fcf9a5b5fa0 RCX: 00007fcf9a38ebe9
RDX: 0000000000000000 RSI: 00002000000000c0 RDI: 0000200000000100
RBP: 00007fcf9a411e19 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcf9a5b5fa0 R14: 00007fcf9a5b5fa0 R15: 0000000000000005
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfsplus_create_attributes_file fs/hfsplus/xattr.c:175 [inline]
RIP: 0010:__hfsplus_setxattr+0x1f47/0x1f60 fs/hfsplus/xattr.c:331
Code: 8b 8a ff e9 61 fb ff ff e8 06 6e 3a ff 4c 89 e7 48 c7 c6 80 98 a2 8a e8 17 fa 74 ff 0f 0b e8 f0 6d 3a ff 0f 0b e8 e9 6d 3a ff <0f> 0b e8 e2 6d 3a ff e9 76 f1 ff ff 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc90003ea74e0 EFLAGS: 00010293
RAX: ffffffff82465077 RBX: 1ffff920007d4eb8 RCX: ffff88807a7f8000
RDX: 0000000000000000 RSI: 0000000000010000 RDI: 0000000000000000
RBP: ffffc90003ea7998 R08: dffffc0000000000 R09: ffffed100e9ed1f8
R10: ffffed100e9ed1f8 R11: 1ffff1100e9ed1f7 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000010000 R15: ffff888074f68f30
FS:  000055557df56500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e263fff CR3: 000000001d7ed000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400