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a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1745255241; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=VGK79asyByAzYkZE+lZMHQFNun6mmxRpNE5PXIO/r4o=; b=ztNEJEGH8HpPuo1wMkqVtSDSR9oP4ENSSVDvj08JGhRBWMRugdZw9qSr4X0EZvGUVRNRZ3 YLoHTTnB4eiVh2zg/pQ70mrwnLqCcss9RAoZ5Bd7o7PNbZHl8D01jpnitWoPh8PBltxRVc MSFj+17xiJuFM7h7lLmCHVj4+Eb0TDQ= Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id 7EB5EA4BD95; Mon, 21 Apr 2025 17:01:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 27A7AC4CEE4; Mon, 21 Apr 2025 17:07:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745255240; bh=L2QeuNUgwI7Gd2iCx1Otutdq2RC3Pmna5zNKrB1copo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=H1GPo0pAwE4RzaCZPxkGujfg7uYcbl+nno+KUrwCSPpNttvW6eirsM2/8r1faktiO 64P9L4H+sSRF83EMEFf9VxpVxsi/b/uzs/BwdH/lYoQ0apqzrrOr6xuwBJqV8WisOg rVdC3hijsDjZy6sIfxHlYcJ+AIKpCJ4zaKOfKvSePbEeskYSeiSAHDmdqDZad8hFw6 9vWSTQL2YXMitUAky273DCqsLHOM0EWF5iXq3AFLMR0Xzvpsnzqte2N1/obK10aGjM +P85tk3MltrmKtWKYKQCu76qdWfXm4nenImb1/Z7yInWJWroY+ShO88dgdJBDQqBvG pdBNmG/TOxXZA== From: SeongJae Park To: Su Hui Cc: SeongJae Park , akpm@linux-foundation.org, damon@lists.linux.dev, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH] mm/damon/sysfs-schemes: using kmalloc_array() and size_add() Date: Mon, 21 Apr 2025 10:07:17 -0700 Message-Id: <20250421170717.35698-1-sj@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250421062423.740605-1-suhui@nfschina.com> References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspam-User: X-Rspamd-Queue-Id: 5959080011 X-Rspamd-Server: rspam04 X-Stat-Signature: 58yyfs48oee9i36d7deddcutms1pfmmi X-HE-Tag: 1745255241-24444 X-HE-Meta: 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 b20GAGQh WqFu9S6WJxAQyk3DRLkWElJqpc1Dsr2BjRUI1cxE9J0/uBuH8rWudcZ8PeZh3N299u3yahc3gT/A6xCUC1Ke5Sp3d75T9IfziouWQ3YhCyA5OFKe5SftlvB9Aeyxm/hjTSuYW1TAKutFfZ1YVA1AG2htAGDCFNEN+vR22r6W5w6/YzmFCvXlKu2q53IWh5FhYvRMjP4pPfuRUygpvPa+7TZ7+CHAVseDhprJ/ID11HehKaiNvjd4CfVZblDHrDS5a7fQb72vxxj9A19rTKsdEyFWD39hDrul6kxcWKn3MEB2znqmIEoLhcnjWIAL00e0PSzPQdo8DOMDsNlE= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, 21 Apr 2025 14:24:24 +0800 Su Hui wrote: > It's safer to using kmalloc_array() and size_add() because it can > prevent possible overflow problem. Nice finding, thank you! > > Signed-off-by: Su Hui Reviewed-by: SeongJae Park Thanks, SJ [...]