hfs: unable to locate alternate MDB
hfs: continuing without an alternate MDB
hfs: keylen 9474 too large
=====================================================
BUG: KMSAN: uninit-value in hfs_brec_find+0x65e/0x970 fs/hfs/bfind.c:141
 hfs_brec_find+0x65e/0x970 fs/hfs/bfind.c:141
 hfs_brec_read+0x3f/0x1a0 fs/hfs/bfind.c:165
 hfs_cat_find_brec+0xe6/0x400 fs/hfs/catalog.c:194
 hfs_fill_super+0x1f27/0x23c0 fs/hfs/super.c:419
 mount_bdev+0x508/0x840 fs/super.c:1380
 hfs_mount+0x4d/0x60 fs/hfs/super.c:456
 legacy_get_tree+0x110/0x290 fs/fs_context.c:610
 vfs_get_tree+0xa5/0x500 fs/super.c:1510
 do_new_mount+0x68d/0x1550 fs/namespace.c:3039
 path_mount+0x725/0x1ee0 fs/namespace.c:3369
 do_mount fs/namespace.c:3382 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x725/0x810 fs/namespace.c:3568
 __ia32_sys_mount+0xe3/0x150 fs/namespace.c:3568
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0xa2/0x100 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x37/0x80 arch/x86/entry/common.c:203
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:246
 entry_SYSENTER_compat_after_hwframe+0x70/0x82

Local variable fd created at:
 hfs_fill_super+0x4e/0x23c0 fs/hfs/super.c:381
 mount_bdev+0x508/0x840 fs/super.c:1380

CPU: 1 PID: 5707 Comm: syz-executor.0 Not tainted 6.4.0-rc3-syzkaller-gf93f2feda5d6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
=====================================================