diff --git a/libc/kernel/uapi/linux/magic.h b/libc/kernel/uapi/linux/magic.h
index 16b9752..f9121a7 100644
--- a/libc/kernel/uapi/linux/magic.h
+++ b/libc/kernel/uapi/linux/magic.h
@@ -56,46 +56,50 @@
 #define EFIVARFS_MAGIC 0xde5e81e4
 #define HOSTFS_SUPER_MAGIC 0x00c0ffee
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define OVERLAYFS_SUPER_MAGIC 0x794c7630
 #define MINIX_SUPER_MAGIC 0x137F
 #define MINIX_SUPER_MAGIC2 0x138F
 #define MINIX2_SUPER_MAGIC 0x2468
-#define MINIX2_SUPER_MAGIC2 0x2478
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MINIX2_SUPER_MAGIC2 0x2478
 #define MINIX3_SUPER_MAGIC 0x4d5a
 #define MSDOS_SUPER_MAGIC 0x4d44
 #define NCP_SUPER_MAGIC 0x564c
-#define NFS_SUPER_MAGIC 0x6969
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define NFS_SUPER_MAGIC 0x6969
 #define OPENPROM_SUPER_MAGIC 0x9fa1
 #define QNX4_SUPER_MAGIC 0x002f
 #define QNX6_SUPER_MAGIC 0x68191122
-#define REISERFS_SUPER_MAGIC 0x52654973
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define REISERFS_SUPER_MAGIC 0x52654973
 #define REISERFS_SUPER_MAGIC_STRING "ReIsErFs"
 #define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs"
 #define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs"
-#define SMB_SUPER_MAGIC 0x517B
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SMB_SUPER_MAGIC 0x517B
 #define CGROUP_SUPER_MAGIC 0x27e0eb
+#define CGROUP2_SUPER_MAGIC 0x63677270
 #define STACK_END_MAGIC 0x57AC6E9D
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TRACEFS_MAGIC 0x74726163
 #define V9FS_MAGIC 0x01021997
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BDEVFS_MAGIC 0x62646576
 #define BINFMTFS_MAGIC 0x42494e4d
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define DEVPTS_SUPER_MAGIC 0x1cd1
 #define FUTEXFS_SUPER_MAGIC 0xBAD1DEA
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PIPEFS_MAGIC 0x50495045
 #define PROC_SUPER_MAGIC 0x9fa0
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SOCKFS_MAGIC 0x534F434B
 #define SYSFS_MAGIC 0x62656572
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define USBDEVICE_SUPER_MAGIC 0x9fa2
 #define MTD_INODE_FS_MAGIC 0x11307854
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define ANON_INODE_FS_MAGIC 0x09041934
 #define BTRFS_TEST_MAGIC 0x73727279
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define NSFS_MAGIC 0x6e736673
 #define BPF_FS_MAGIC 0xcafe4a11
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define UDF_SUPER_MAGIC 0x15013346
 #endif