Add the __counted_by compiler attribute to the flexible array member name to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and CONFIG_FORTIFY_SOURCE. Reviewed-by: Jan Kara <jack@xxxxxxx> Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxx> --- Changes in v2: - Split the patch into two separate patches as suggested by Greg KH - Link to v1: https://lore.kernel.org/r/20241104234214.8094-2-thorsten.blum@xxxxxxxxx/ --- fs/ext4/dir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index ef6a3c8f3a9a..233479647f1b 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -418,7 +418,7 @@ struct fname { __u32 inode; __u8 name_len; __u8 file_type; - char name[]; + char name[] __counted_by(name_len); }; /* -- 2.47.0
