From: Thorsten Blum Date: Fri, 23 Aug 2024 11:47:05 +0000 (+0200) Subject: smb: Annotate struct xattr_smb_acl with __counted_by() X-Git-Tag: v6.11-rc7~37^2~2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8d8d244726c8436c50f84092616c92bf551ea89a;p=thirdparty%2Flinux.git smb: Annotate struct xattr_smb_acl with __counted_by() Add the __counted_by compiler attribute to the flexible array member entries to improve access bounds-checking via CONFIG_UBSAN_BOUNDS and CONFIG_FORTIFY_SOURCE. Signed-off-by: Thorsten Blum Acked-by: Namjae Jeon Signed-off-by: Steve French --- diff --git a/fs/smb/server/xattr.h b/fs/smb/server/xattr.h index 16499ca5c82d3..fa3e27d6971b8 100644 --- a/fs/smb/server/xattr.h +++ b/fs/smb/server/xattr.h @@ -76,7 +76,7 @@ struct xattr_acl_entry { struct xattr_smb_acl { int count; int next; - struct xattr_acl_entry entries[]; + struct xattr_acl_entry entries[] __counted_by(count); }; /* 64bytes hash in xattr_ntacl is computed with sha256 */