From nobody Tue Oct 7 05:27:27 2025 Received: from mail-oa1-f74.google.com (mail-oa1-f74.google.com [209.85.160.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 508EA27702D for ; Mon, 14 Jul 2025 18:53:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.74 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752519215; cv=none; b=j80y5tXNvPhBoR+VIpHnEUpLJU8mNS4d9dUAIVbbelDbnz9NBhIPThh2lt6kdfdmMhC/it3/lxve4RN6rW6IpWzHOa4XFrKxfqEvnL7ZoRJZVaVvdLsL0LhlaFlF2ExE2WywXH4Nxt+mIYWGMxJMJOEyylOTZNcf+qRzro/hfng= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752519215; c=relaxed/simple; bh=XwSHl3R6x0geSRen2/MMqiPJvr7MDKRDFgnW0OKJPCg=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=YJBJ3iYHn71nfY/PztyJhSjF4A3HmxvpHb8go86BhTRkXxv3aEbrv5Epfk4a0WBFXanwsbXodCbUokPkdjd9XA/kF7qiyj2D1GFRDjYQ1gPBW5bDyqioWPJz3CYDgGZ/LstMygu58sVDQydoxJGDSeKrEIfLzqhfeEkhkVMu+YA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--ynaffit.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=j+O7YNfs; arc=none smtp.client-ip=209.85.160.74 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--ynaffit.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="j+O7YNfs" Received: by mail-oa1-f74.google.com with SMTP id 586e51a60fabf-2e9b1f85b2bso5581059fac.0 for ; Mon, 14 Jul 2025 11:53:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1752519213; x=1753124013; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=U2ToBQsH2KBAAKqSrwB/wtB0CqIjOe4g4OmnGE6U2PU=; b=j+O7YNfs64EISFMnzJ77sAwPWhyHmP2fxsHGUIPfp0tQzkxaphWjqlYD71Wa3hUVkr 7pAf+EaebfDYzx1UfoUSCAP7dT49muGT6eCvX768vwI8PINtOuVBN+6KeaR/XvNn0sW/ aLQUCutPe3Pl2DUkLFnyZoifXW5fVHCbmELMEli98aVzdxKVwrfoD0frhkVoGf6SedZp 7YRYEI3MI0U6Xp1tp+R45dUQbGp5nQdQAhzGcaJB6IqktUV273IyoCDvXal6A+HNulT/ nyKeQus7IlSV0I8G55knBIuGdr4FmXuBtCcwmNB+Pm0QsepYvPbOY1SHk1oV3LzsJu9x rt/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752519213; x=1753124013; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=U2ToBQsH2KBAAKqSrwB/wtB0CqIjOe4g4OmnGE6U2PU=; b=ALWWuEg+xEABn4gcdI7SPfZ7D5B03W9EDRrrqGgTJMsK9CdU/1OS/nTVfFIu1Pe9ev JNVWHvqs3MUqe9TL4fyjRWredaVyax5tWN7UlOhGu6s3/jKXqNihPObJJGMIeq5q8dou hnonkrmrNPLgQRaovEM60Crg+RfY1ptxPQekphyhhs6P6qoaLcnYqLCpbYylBSlpQYIV bSrnNen998k7eOwyAX9OHsgtDZu0NrWz4hhKDAQ664kirNa8zii0wg2i211k2MtdPgZf LeDUwxzj264DOw0hF0UatGOddCyHn5KHt/05gyxoAF7yB2b+/AsJBDDXjx7Kz6lUdLZk lAIg== X-Gm-Message-State: AOJu0YxK5MaRMUpOMvNjaUwbbGywxgKeIUDcsCr/u/bJw4+dN8Y49dZc 8cwrCQ+XZrMYF169619WUlRwKxjsLWVK7UOrvDLuIZ2bqNQbOwdu2vHsRLSzX4SFDyhxxTTbX96 pi1kGzqDjAgTZN2OecQDvJ4X5g4/C5Jg2ol74OV6He9ZyjsKqgiwjbpO9l1AMDoMZmhbm04Vp8h Lu47ijAUw53ruji2pGKyFXWJg1ofql+kz+nO7hQ3JsXGoghDJrmA== X-Google-Smtp-Source: AGHT+IFitcv4rcRBTerguEKCsh7TKl705K/Y/N/RPPwgQCEScQ+VKqIuk28UlrV6d2EJBb5zRjTc0wf115oi X-Received: from oabra17.prod.google.com ([2002:a05:6871:6111:b0:2e9:7781:2867]) (user=ynaffit job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6870:2b05:b0:2d4:ef88:97af with SMTP id 586e51a60fabf-2ff26e7a249mr9942418fac.3.1752519213343; Mon, 14 Jul 2025 11:53:33 -0700 (PDT) Date: Mon, 14 Jul 2025 11:53:14 -0700 In-Reply-To: <20250714185321.2417234-1-ynaffit@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250714185321.2417234-1-ynaffit@google.com> X-Mailer: git-send-email 2.50.0.727.gbf7dc18ff4-goog Message-ID: <20250714185321.2417234-2-ynaffit@google.com> Subject: [PATCH v3 1/6] binder: Fix selftest page indexing From: Tiffany Yang To: linux-kernel@vger.kernel.org Cc: keescook@google.com, kernel-team@android.com, Greg Kroah-Hartman , "=?UTF-8?q?Arve=20Hj=C3=B8nnev=C3=A5g?=" , Todd Kjos , Martijn Coenen , Joel Fernandes , Christian Brauner , Carlos Llamas , Suren Baghdasaryan , Brendan Higgins , David Gow , Rae Moar , linux-kselftest@vger.kernel.org, kunit-dev@googlegroups.com Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The binder allocator selftest was only checking the last page of buffers that ended on a page boundary. Correct the page indexing to account for buffers that are not page-aligned. Signed-off-by: Tiffany Yang Acked-by: Carlos Llamas --- drivers/android/binder_alloc_selftest.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/android/binder_alloc_selftest.c b/drivers/android/bind= er_alloc_selftest.c index c88735c54848..486af3ec3c02 100644 --- a/drivers/android/binder_alloc_selftest.c +++ b/drivers/android/binder_alloc_selftest.c @@ -142,12 +142,12 @@ static void binder_selftest_free_buf(struct binder_al= loc *alloc, for (i =3D 0; i < BUFFER_NUM; i++) binder_alloc_free_buf(alloc, buffers[seq[i]]); =20 - for (i =3D 0; i < end / PAGE_SIZE; i++) { /** * Error message on a free page can be false positive * if binder shrinker ran during binder_alloc_free_buf * calls above. */ + for (i =3D 0; i <=3D (end - 1) / PAGE_SIZE; i++) { if (list_empty(page_to_lru(alloc->pages[i]))) { pr_err_size_seq(sizes, seq); pr_err("expect lru but is %s at page index %d\n", --=20 2.50.0.727.gbf7dc18ff4-goog