hfs: keylen 9474 too large
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BUG: KMSAN: uninit-value in hfs_brec_find+0x65e/0x980 fs/hfs/bfind.c:141
 hfs_brec_find+0x65e/0x980 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+0x1f28/0x23c0 fs/hfs/super.c:419
 mount_bdev+0x397/0x520 fs/super.c:1658
 hfs_mount+0x4d/0x60 fs/hfs/super.c:456
 legacy_get_tree+0x114/0x290 fs/fs_context.c:662
 vfs_get_tree+0xa7/0x570 fs/super.c:1779
 do_new_mount+0x71f/0x15e0 fs/namespace.c:3352
 path_mount+0x742/0x1f20 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount+0x725/0x810 fs/namespace.c:3875
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:3875
 do_syscall_64+0xd5/0x1f0
 entry_SYSCALL_64_after_hwframe+0x72/0x7a

Local variable fd created at:
 hfs_fill_super+0x4e/0x23c0 fs/hfs/super.c:381
 mount_bdev+0x397/0x520 fs/super.c:1658

CPU: 0 PID: 10886 Comm: syz-executor.3 Tainted: G        W          6.9.0-rc2-syzkaller-00413-gf2f80ac80987 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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