From nobody Wed Oct 8 07:01:37 2025 Received: from mail-pf1-f202.google.com (mail-pf1-f202.google.com [209.85.210.202]) (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 775381531E3 for ; Wed, 2 Jul 2025 01:04:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751418299; cv=none; b=Of++oe1vyOAr+TRFL8UD7p0/7+T+2yXSTWfh55YwzuHX0uThlhca16sksjkoi2Uwt4L9VIzuxt4CFEtk2/SnCghgFWuphC6lgyM8wkcu3X4gVal5L2b8EQq6xWFatqma38BriD05cQ7fV1aEMfo6znooVwmCqCg0uULEo2pdwwQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751418299; c=relaxed/simple; bh=XwSHl3R6x0geSRen2/MMqiPJvr7MDKRDFgnW0OKJPCg=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=eHP8jYoTZzoKdw7RyPh85kALV6FqJPyT0yqIfqFlGWtWsg7DBjPiqOCIbyFG50N1oiWYVU6SWe+imeYwV92ZqV3Uu1KBHjRlp1h+A7zZjiCV6zeThvcJFTkiV26UI+LjQlX5akIXk2NNRPdu7pNvUBDCajctvcxuvADsQm5gxCw= 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=UX6ITa08; arc=none smtp.client-ip=209.85.210.202 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="UX6ITa08" Received: by mail-pf1-f202.google.com with SMTP id d2e1a72fcca58-748d96b974cso5603781b3a.2 for ; Tue, 01 Jul 2025 18:04:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1751418298; x=1752023098; 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=UX6ITa08aT1ycdJKfb9qk5uZWJUkeOOtgeal/uEJ2jhXZvRJcpapM9qhsjtZRWE9dZ npYk40Ur6og+FqRMw5DyLg5XlDpe8JgDAYrI//80Fwzez9cDni6MdbJSVAuUoEPVW9h0 20AESGsieHAoyqJKFDtQbOs+Wexme9o6TacSMM4y/eLUr+ZRIuz3G9T3GfcuqHFx2wgu z6BWSK4DqZAtt6yEDLpkM4enkQevqfhDpoA7yG7P6utWk5k85R8xrDVWhN+RoMR7NVUH y2YH5wgjyOxnGn92giwGwBrL7lVnaHw7Z2NO5etdN6IVHl1hDfpK8f2b/MyqyVSNlfFD lJCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751418298; x=1752023098; 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=Du4U/LHxYxJF8ISumC6/BtawCoA6vUmxNnBQbxb51F2QdEgCUb9O6bkqxY1qGV8MHQ 6mggh9eW1gT1/w5ecIE2JHs03xMpxxB8qs5XBcVKZwQvXj+J2out4Sc1rTJJPL9igOsV TdMYT2IDpxJKCk3NpoSPGCz53iR4wVc80lI88N5aVojmW77AS4bBegJA4N115KWPe10n 0AmlqUrCIheSgm3nyqGdtf5U+TT8aWkVfuX/+DlPcdu4pw9ekByEakm8XK0t7Mh8uxPP aiiGdA5cKbPqfNMhhmHamcusUNWwyUZN7gM22LGmFbMaAYymesHrY8UHAkosC1H62XtW 6bqA== X-Gm-Message-State: AOJu0YzLfBNY1dcOvRHnZ8hVCPGYLliM9OBycVk+PZ3DYgE5aEbf+vbS H5jLiZGewStcqBxpUZuDVv8GeJnsiM4OfKK3QYF0Gst1IlqwkNV40C01+j7B30EstXqltAWoCN1 8nKJRso+p/czmwpIHMHjbIW3+n+71zmFIbLINiZGAGW9bIacyIVzKhtC1sGWVRh04tvxGJnd5NV /nHFlSdkKW0xZZ+wAEkExkIY79aV6UD/h5NHsS7azL3dNf8bjeQA== X-Google-Smtp-Source: AGHT+IHjxkJhNpPJlRTQPrSVhZEAgwC4vRTmDtOI94X9/M4vSCN6ez22PLOMuaeL7edmsjjLJkFV7JIuOA5k X-Received: from pfcj5.prod.google.com ([2002:a05:6a00:1745:b0:746:1bf8:e16]) (user=ynaffit job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a00:4b53:b0:736:33fd:f57d with SMTP id d2e1a72fcca58-74b50f51d98mr1094467b3a.17.1751418297579; Tue, 01 Jul 2025 18:04:57 -0700 (PDT) Date: Tue, 1 Jul 2025 18:04:41 -0700 In-Reply-To: <20250702010447.2994412-1-ynaffit@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250702010447.2994412-1-ynaffit@google.com> X-Mailer: git-send-email 2.50.0.727.gbf7dc18ff4-goog Message-ID: <20250702010447.2994412-2-ynaffit@google.com> Subject: [PATCH v2 1/5] 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 --- 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