From nobody Sun Feb 8 19:44:59 2026 Received: from mx01.omp.ru (mx01.omp.ru [90.154.21.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 57CEE7F46B for ; Tue, 5 Mar 2024 08:10:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.154.21.10 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709626222; cv=none; b=f/u/876e5vWlPeyv9F3TZhRc60NGk2Dw1XabvrlE20nn1oCYY7kou5iB6vOFoEj0yuZGgsWs5Yqu8GW7wdKB3DssURaAjNmrGxfyUTndp/p9cP5QIEC1xZ5XnJiqnKosI963LA1WIKZSMsuS+yoBOz5B54ROSL8jCBq0SjT08Uc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709626222; c=relaxed/simple; bh=MFPOX5W0KpeQ4hbxT4c8+pC/ewoeFCjUJSuVSnBF+1Y=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=Jvx07wHyu6ugkQeRlmK4381obB6jrOXvO+kj3PBjhstCzFv9LMIrhfKMSeAO0giQVuoo+ZUCI5plndzfmhtHgeYG/iBphKBU7/l0w32uWxSH2qjXh4ISAvzxBea/3kaTs2uoqD17NQaihTuzFfEhjpm4ngh5ZQdOMSfwBT5HebQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=omp.ru; spf=pass smtp.mailfrom=omp.ru; arc=none smtp.client-ip=90.154.21.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=omp.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=omp.ru Received: from localhost.localdomain (78.37.41.175) by msexch01.omp.ru (10.188.4.12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.1258.12; Tue, 5 Mar 2024 11:10:02 +0300 From: Roman Smirnov To: Jaegeuk Kim , Chao Yu CC: Roman Smirnov , Sergey Shtylyov , Karina Yankevich , , , Subject: [PATCH] f2fs: Cast expression type to unsigned long in __count_extent_cache() Date: Tue, 5 Mar 2024 11:09:43 +0300 Message-ID: <20240305080943.6922-1-r.smirnov@omp.ru> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: msexch01.omp.ru (10.188.4.12) To msexch01.omp.ru (10.188.4.12) X-KSE-ServerInfo: msexch01.omp.ru, 9 X-KSE-AntiSpam-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 6.1.0, Database issued on: 03/05/2024 07:39:20 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 59 X-KSE-AntiSpam-Info: Lua profiles 183946 [Mar 05 2024] X-KSE-AntiSpam-Info: Version: 6.1.0.3 X-KSE-AntiSpam-Info: Envelope from: r.smirnov@omp.ru X-KSE-AntiSpam-Info: LuaCore: 8 0.3.8 4a99897b35b48c45ee5c877607d26a2d9f419920 X-KSE-AntiSpam-Info: {rep_avail} X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: {relay has no DNS name} X-KSE-AntiSpam-Info: {SMTP from is not routable} X-KSE-AntiSpam-Info: d41d8cd98f00b204e9800998ecf8427e.com:7.1.1;78.37.41.175:7.4.1,7.7.3;127.0.0.199:7.1.2;omp.ru:7.1.1 X-KSE-AntiSpam-Info: {cloud_iprep_silent} X-KSE-AntiSpam-Info: ApMailHostAddress: 78.37.41.175 X-KSE-AntiSpam-Info: {DNS response errors} X-KSE-AntiSpam-Info: Rate: 59 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-AntiSpam-Info: Auth:dmarc=temperror header.from=omp.ru;spf=temperror smtp.mailfrom=omp.ru;dkim=none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Heuristic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 03/05/2024 07:45:00 X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: Clean, bases: 3/5/2024 3:38:00 AM X-KSE-Attachment-Filter-Triggered-Rules: Clean X-KSE-Attachment-Filter-Triggered-Filters: Clean X-KSE-BulkMessagesFiltering-Scan-Result: InTheLimit Content-Type: text/plain; charset="utf-8" Cast expression type to unsigned long in __count_extent_cache() to prevent integer overflow. Found by Linux Verification Center (linuxtesting.org) with Svace. Signed-off-by: Roman Smirnov Reviewed-by: Sergey Shtylyov Reviewed-by: Chao Yu --- fs/f2fs/shrinker.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/f2fs/shrinker.c b/fs/f2fs/shrinker.c index 83d6fb97dcae..bb86a06c5d5e 100644 --- a/fs/f2fs/shrinker.c +++ b/fs/f2fs/shrinker.c @@ -33,7 +33,7 @@ static unsigned long __count_extent_cache(struct f2fs_sb_= info *sbi, { struct extent_tree_info *eti =3D &sbi->extent_tree[type]; =20 - return atomic_read(&eti->total_zombie_tree) + + return (unsigned long)atomic_read(&eti->total_zombie_tree) + atomic_read(&eti->total_ext_node); } =20 --=20 2.34.1