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b=U/NgaN4DEOjYsIEpgbnGiLAhlx TOwoLcgMcxALccqvidIh40Vb7GCQTpYM7tgBZAe9ksbTPK/1O+b4e2tP/DIOew83hn5Gg1Lw1lLKv Yo/adSR2L0ijp5UbG7rjjID+U0mcOtQxbk0/tvg1H3EJDkpBaauiZ7Ds43JZiYIyyDB3Gt9LLMaEP fGKToifJLOZyC3+j8q/pYQtZEIkerard1CoK/2ycHtxhQ+3nxLNyJJCs9kH/SbaG0sOe6PHEW12+e eJXj9Yg3j4C7KaXcraFv1FASDEOJs3DOwberbD0y1Gcrcv/oe00oTmPq6iCmAvJtmCt4a18fx+MAU BUOgFIYg==; Received: from 253.red-79-144-234.dynamicip.rima-tde.net ([79.144.234.253] helo=localhost) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1teqfU-002vbB-N6; Mon, 03 Feb 2025 08:14:58 +0100 From: Ricardo =?utf-8?Q?Ca=C3=B1uelo?= Navarro To: Andrew Morton Cc: riel@surriel.com, linux-mm@kvack.org, stable@vger.kernel.org, kernel-dev@igalia.com, revest@google.com Subject: Re: [PATCH] mm,madvise,hugetlb: check for 0-length range after end address adjustment In-Reply-To: <20250131142321.632a9468529d3267abe641af@linux-foundation.org> References: <20250131143749.1435006-1-rcn@igalia.com> <20250131142321.632a9468529d3267abe641af@linux-foundation.org> Date: Mon, 03 Feb 2025 08:14:57 +0100 Message-ID: <87ldunxzwu.fsf@igalia.com> MIME-Version: 1.0 Content-Type: text/plain X-Rspamd-Queue-Id: D9B4F80008 X-Stat-Signature: m6zsddzj3zk6aemtropkf5ure49pgafz X-Rspam-User: X-Rspamd-Server: rspam12 X-HE-Tag: 1738566904-104714 X-HE-Meta: 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 lKKPL+9h NFzKY7ybkXoGeZjvopu9rjZGWuFVRGfaB06cvTPvKgG6oyScjn2oyiMdbYGPs3e2zG1TuoGw6bNMJS4o0PT2klvn2HEqCLAytW8gq/NiW1NgfHmop9DEwcjZBlc0Lf4FAuA4ohDu8ixL3oBhF5GKZ/Xv+vfbiZW0SerryDXNaTyexabKv6hy1VuppIa2CnXym+rCDjfok9UMS6Yr3nZT1Idg2xXPiqCUT1UJ9SXaPbe/px0IFDF1gjerQMYZIBLwXC0Uc6YOcUCkmZbW+/W+EGrWX2xjec7RK/NjfE1IG9VP+p9SJ5AOOxBUNHQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.129556, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Andrew, On Fri, Jan 31 2025 at 14:23:21, Andrew Morton wrote: > Perhaps add a comment telling the user how this situation can come about? Sure, I'll add the description to v2. Thanks for reviewing it! Ricardo