Commit 86e92eee authored by Thorsten Blum's avatar Thorsten Blum Committed by Kent Overstreet
Browse files

bcachefs: Annotate struct bch_xattr with __counted_by() 



Add the __counted_by compiler attribute to the flexible array member
x_name to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and
CONFIG_FORTIFY_SOURCE.

Signed-off-by: default avatarThorsten Blum <thorsten.blum@toblux.com>
Signed-off-by: default avatarKent Overstreet <kent.overstreet@linux.dev>
parent 2c6a7bff

fs/bcachefs/xattr_format.h

+1 −1
Original line number Diff line number Diff line
@@ -13,7 +13,7 @@ struct bch_xattr { 
	__u8			x_type;

	__u8			x_name_len;

	__le16			x_val_len;

	__u8			x_name[];

	__u8			x_name[] __counted_by(x_name_len);

} __packed __aligned(8);



#endif /* _BCACHEFS_XATTR_FORMAT_H */