loop3: detected capacity change from 0 to 64
hfs: unable to locate alternate MDB
hfs: continuing without an alternate MDB
------------[ cut here ]------------
kernel BUG at fs/hfs/inode.c:222!
Oops: invalid opcode: 0000 [#1] SMP PTI
CPU: 1 UID: 0 PID: 3553 Comm: syz.3.17 Not tainted syzkaller #0 PREEMPT(none) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:hfs_new_inode+0x2c5/0x2d0 fs/hfs/inode.c:222
Code: 00 00 f0 80 88 28 01 00 00 02 48 89 df e8 93 22 00 00 4c 89 f0 5b 41 5c 41 5e 41 5f 5d e9 43 e2 08 01 cc 90 0f 0b 90 0f 0b 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000137fc08 EFLAGS: 00010246
RAX: ffff888106704400 RBX: ffff888102f29000 RCX: 0000000100000000
RDX: 0000000000000000 RSI: 0000000068f8b750 RDI: ffffc9000137fb90
RBP: 0000000000008058 R08: 0000000000080000 R09: 0000000000000053
R10: 0000000000000000 R11: ffffffff8176ab10 R12: 0000000100000000
R13: ffff888116c67270 R14: ffff8881077e0758 R15: ffff8881077e0158
FS:  00007fd571e5f6c0(0000) GS:ffff8882b3c37000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30c63fff CR3: 0000000105710000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 hfs_create+0x23/0x90 fs/hfs/dir.c:198
 lookup_open fs/namei.c:3708 [inline]
 open_last_lookups fs/namei.c:3807 [inline]
 path_openat+0x787/0xee0 fs/namei.c:4043
 do_filp_open+0xc6/0x180 fs/namei.c:4073
 do_sys_openat2+0x7c/0xd0 fs/open.c:1435
 do_sys_open fs/open.c:1450 [inline]
 __do_sys_openat fs/open.c:1466 [inline]
 __se_sys_openat fs/open.c:1461 [inline]
 __x64_sys_openat+0x7b/0xa0 fs/open.c:1461
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0x2f0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd571feefc9
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:00007fd571e5f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fd572245fa0 RCX: 00007fd571feefc9
RDX: 0000000000000042 RSI: 00002000000002c0 RDI: ffffffffffffff9c
RBP: 00007fd572071f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000058 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd572246038 R14: 00007fd572245fa0 R15: 00007ffc24840b38
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_new_inode+0x2c5/0x2d0 fs/hfs/inode.c:222
Code: 00 00 f0 80 88 28 01 00 00 02 48 89 df e8 93 22 00 00 4c 89 f0 5b 41 5c 41 5e 41 5f 5d e9 43 e2 08 01 cc 90 0f 0b 90 0f 0b 90 <0f> 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000137fc08 EFLAGS: 00010246
RAX: ffff888106704400 RBX: ffff888102f29000 RCX: 0000000100000000
RDX: 0000000000000000 RSI: 0000000068f8b750 RDI: ffffc9000137fb90
RBP: 0000000000008058 R08: 0000000000080000 R09: 0000000000000053
R10: 0000000000000000 R11: ffffffff8176ab10 R12: 0000000100000000
R13: ffff888116c67270 R14: ffff8881077e0758 R15: ffff8881077e0158
FS:  00007fd571e5f6c0(0000) GS:ffff8882b3c37000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30c63fff CR3: 0000000105710000 CR4: 00000000003506f0