@@ -3473,10 +3473,13 @@ static void handle_cap_grant(struct inode *inode,
dout("%p mode 0%o uid.gid %d.%d\n", inode, inode->i_mode,
from_kuid(&init_user_ns, inode->i_uid),
from_kgid(&init_user_ns, inode->i_gid));
-
- WARN_ON_ONCE(ci->fscrypt_auth_len != extra_info->fscrypt_auth_len ||
- memcmp(ci->fscrypt_auth, extra_info->fscrypt_auth,
- ci->fscrypt_auth_len));
+#if IS_ENABLED(CONFIG_FS_ENCRYPTION)
+ if (ci->fscrypt_auth_len != extra_info->fscrypt_auth_len ||
+ memcmp(ci->fscrypt_auth, extra_info->fscrypt_auth,
+ ci->fscrypt_auth_len))
+ pr_warn_ratelimited("%s: cap grant attempt to change fscrypt_auth on non-I_NEW inode (old len %d new len %d)\n",
+ __func__, ci->fscrypt_auth_len, extra_info->fscrypt_auth_len);
+#endif
}
if ((newcaps & CEPH_CAP_LINK_SHARED) &&
Give some more helpful info Signed-off-by: Jeff Layton <jlayton@kernel.org> --- fs/ceph/caps.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)