From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shakeel Butt Subject: Re: [PATCH] selftests: cgroup: Add 'malloc' failures checks in test_memcontrol Date: Mon, 27 Feb 2023 17:00:01 +0000 Message-ID: <20230227170001.ka5eyfscvdypc2oc@google.com> References: <20230226131634.34366-1-ivan.orlov0322@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=75A0gEwys1mFY3sJ5wHScJ9ljDVthV3+ryRrHEENcQo=; b=cLtWhUG9qsA4Sg24ae9fYUU4+Jizp49jqXT9Sfy+9fByadRsDkot02jjzzg5b2L5Xs 4p31MmnUIDIGwI0i/YSZGLRpX+ovsl39jJqI4PvJvxCbjeEQ+Qgawa2WEoiPTofV4BDa RlEha9mid0gYgb6ZrswEsykY7taZ9zgYENPxcCJgUDJ5aCXp4DYkULEQrtgAF7HwaDWD 47tC1GMc9jX+XOMQrLfWidvs+Ppgw0lAJ2qMjRHZWhSqHcDOV9Sp1X96Cqel9TG8FKCt XUDU2HOvl03Pnq2Ioq1hngvzmArdOS/tf8YuPsxB5FNETBKRe5UoIcOan7vC6M/xITna zm9w== In-Reply-To: <20230226131634.34366-1-ivan.orlov0322-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> List-ID: Content-Transfer-Encoding: 7bit To: Ivan Orlov Cc: hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org, mhocko-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, roman.gushchin-fxUVXftIFDnyG1zEObXtfA@public.gmane.org, muchun.song-fxUVXftIFDnyG1zEObXtfA@public.gmane.org, tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, lizefan.x-EC8Uxl6Npydl57MIdRCFDg@public.gmane.org, shuah-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org, linux-kselftest-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, skhan-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org On Sun, Feb 26, 2023 at 04:16:33PM +0300, Ivan Orlov wrote: > There are several 'malloc' calls in test_memcontrol, which can be > unsuccessful. This patch will add 'malloc' failures checking to > give more details about test's fail reasons and avoid possible > undefined behavior during the future null dereference (like the > one in alloc_anon_50M_check_swap function). > > Signed-off-by: Ivan Orlov Acked-by: Shakeel Butt