From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.3 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 82977C2BA83 for ; Sun, 9 Feb 2020 22:49:16 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 4136A2082E for ; Sun, 9 Feb 2020 22:49:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="dkdMkDwP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4136A2082E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id CC37B6B0010; Sun, 9 Feb 2020 17:49:15 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C99906B0032; Sun, 9 Feb 2020 17:49:15 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BB0286B0036; Sun, 9 Feb 2020 17:49:15 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0070.hostedemail.com [216.40.44.70]) by kanga.kvack.org (Postfix) with ESMTP id 9F41A6B0010 for ; Sun, 9 Feb 2020 17:49:15 -0500 (EST) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id 55C60181AC9BF for ; Sun, 9 Feb 2020 22:49:15 +0000 (UTC) X-FDA: 76472081070.04.base94_50c232712204c X-HE-Tag: base94_50c232712204c X-Filterd-Recvd-Size: 4038 Received: from mail-wr1-f65.google.com (mail-wr1-f65.google.com [209.85.221.65]) by imf16.hostedemail.com (Postfix) with ESMTP for ; Sun, 9 Feb 2020 22:49:14 +0000 (UTC) Received: by mail-wr1-f65.google.com with SMTP id g3so4173198wrs.12 for ; Sun, 09 Feb 2020 14:49:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=U5nFVCPFUZVGZ9tjWv0oFjWi+FTaJwKQRZfFYGfUUUg=; b=dkdMkDwPHQZKdjKUazNR6GkUXsK9lmR3gMf4pkpx2kZKucImYBGi9cfyx1VVT174f0 GAE9ssVObVEdRk5VfcljHgo3DYEn9E1Plcc5EHDO5CmcTVqoRiRO8pcu/aD+rmvHdj5H egDBesNa+cdTpBYdXCdmRunwscECV5h+ycph1QwFPoFwcnVWY4MDvuGprlHGQCbBHjzT WqaznMG2Vq0soLlnJXEagGCnGy6GbBVlAI1yKsT/RGZkD8sPkv44TUFRXHj+Vh3xZ8Y4 rEa7YRysRY1WvzPX2pLXe8dsl0Il7jIO+Vry9A9+4Fcs8Auc/ztpcyGj/kle2Nt1bQ2V 1ieA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=U5nFVCPFUZVGZ9tjWv0oFjWi+FTaJwKQRZfFYGfUUUg=; b=e3sgCsw3/Z4stNmYIefFgOEmIANRiTp7DzgSttYxOtTEtEd+YanKs36sh4DDjz5yKi 7MWdLiovbfeuGLMlleZPvaeVsxvNUmGEdzJ/OXtBSjm4sR/e6YKBoc5hxjgicjR4gzn5 loATAC9ZEc+Z2abQIOhjcQBnxLqA3/wpZ1oI0RddDuBbT2EPliGZxKyCdSf8jRzGUtz8 rTCeNGQdHfjjiqltdXy6US0Eb4/k5XvOdON9EHUOn/wPdir8gnHvzlkzm+UPfzopSZhb Gas7otYo99PYsAUmkdubszmMYvVopD/e712xSbONdsnBg6H2k2zlHM6xRr3djQTx7fE0 Wclg== X-Gm-Message-State: APjAAAUtYNuSwe7xdsxq4teszmoucgO8m+BKQq05FbRcCJC7JpfD1oVc aD+KiRqO0Rvt57mFCx71mw== X-Google-Smtp-Source: APXvYqzO+y20pyXml6UJKB8Yw0sld+pLD9TNTWs0/S2aD2ieM13bT5qAjumg6QWgRYsGwyKeaA/qGA== X-Received: by 2002:a5d:448c:: with SMTP id j12mr12604749wrq.125.1581288553707; Sun, 09 Feb 2020 14:49:13 -0800 (PST) Received: from ninjahost.lan (host-2-102-13-223.as13285.net. [2.102.13.223]) by smtp.googlemail.com with ESMTPSA id k10sm13694884wrd.68.2020.02.09.14.49.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Feb 2020 14:49:13 -0800 (PST) From: Jules Irenge To: boqun.feng@gmail.com Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, kasan-dev@googlegroups.com, akpm@linux-foundation.org, dvyukov@google.com, glider@google.com, aryabinin@virtuozzo.com, Jules Irenge Subject: [PATCH 10/11] kasan: add missing annotation for end_report() Date: Sun, 9 Feb 2020 22:49:04 +0000 Message-Id: <38efa7c3a66dd686be64d149e198f2fddc3e7383.1581282103.git.jbi.octave@gmail.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: References: <0/11> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Sparse reports a warning at end_report() warning: context imbalance in end_report() - unexpected lock The root cause is a missing annotation at end_report() Add the missing annotation __releases(&report_lock) Signed-off-by: Jules Irenge --- mm/kasan/report.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 5451624c4e09..8adaa4eaee31 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -87,7 +87,7 @@ static void start_report(unsigned long *flags) __acquir= es(&report_lock) pr_err("=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D\n"); } =20 -static void end_report(unsigned long *flags) +static void end_report(unsigned long *flags) __releases(&report_lock) { pr_err("=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D\n"); add_taint(TAINT_BAD_PAGE, LOCKDEP_NOW_UNRELIABLE); --=20 2.24.1