loop1: detected capacity change from 0 to 64
------------[ cut here ]------------
kernel BUG at fs/hfs/btree.c:41!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 27449 Comm: syz-executor.1 Not tainted 6.3.0-rc2-syzkaller-00047-g6015b1aca1a2 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0010:hfs_btree_open+0xf09/0xf20 fs/hfs/btree.c:41
Code: 7f ff e9 7e fa ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 9b fa ff ff 4c 89 f7 e8 81 cf 7f ff e9 8e fa ff ff e8 17 1e 2a ff <0f> 0b e8 10 1e 2a ff 0f 0b e8 09 1e 2a ff 0f 0b 0f 1f 80 00 00 00
RSP: 0000:ffffc9000c967798 EFLAGS: 00010283
RAX: ffffffff82604f09 RBX: ffff88803301eae0 RCX: 0000000000040000
RDX: ffffc90004183000 RSI: 0000000000001da1 RDI: 0000000000001da2
RBP: 0000000000000000 R08: ffffffff82604167 R09: ffffed1006603d78
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888076674000
R13: ffff88803243a008 R14: ffff88803243a000 R15: dffffc0000000000
FS:  00007fb03f9e4700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc23eb6e000 CR3: 000000001e1d1000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfs_mdb_get+0x1446/0x21b0 fs/hfs/mdb.c:199
 hfs_fill_super+0x107d/0x1790 fs/hfs/super.c:406
 mount_bdev+0x271/0x3a0 fs/super.c:1371
 legacy_get_tree+0xef/0x190 fs/fs_context.c:610
 vfs_get_tree+0x8c/0x270 fs/super.c:1501
 do_new_mount+0x28f/0xae0 fs/namespace.c:3042
 do_mount fs/namespace.c:3385 [inline]
 __do_sys_mount fs/namespace.c:3594 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3571
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fb03ec8d62a
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb03f9e3f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000000000293 RCX: 00007fb03ec8d62a
RDX: 0000000020000040 RSI: 0000000020000080 RDI: 00007fb03f9e3fe0
RBP: 00007fb03f9e4020 R08: 00007fb03f9e4020 R09: 0000000002014006
R10: 0000000002014006 R11: 0000000000000202 R12: 0000000020000040
R13: 0000000020000080 R14: 00007fb03f9e3fe0 R15: 0000000020002480
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfs_btree_open+0xf09/0xf20 fs/hfs/btree.c:41
Code: 7f ff e9 7e fa ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 9b fa ff ff 4c 89 f7 e8 81 cf 7f ff e9 8e fa ff ff e8 17 1e 2a ff <0f> 0b e8 10 1e 2a ff 0f 0b e8 09 1e 2a ff 0f 0b 0f 1f 80 00 00 00
RSP: 0000:ffffc9000c967798 EFLAGS: 00010283
RAX: ffffffff82604f09 RBX: ffff88803301eae0 RCX: 0000000000040000
RDX: ffffc90004183000 RSI: 0000000000001da1 RDI: 0000000000001da2
RBP: 0000000000000000 R08: ffffffff82604167 R09: ffffed1006603d78
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888076674000
R13: ffff88803243a008 R14: ffff88803243a000 R15: dffffc0000000000
FS:  00007fb03f9e4700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4742b85dd8 CR3: 000000001e1d1000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400