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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 82841C77B7F for ; Fri, 27 Jun 2025 16:20:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wAWSglYD4N9s6NeTYlgkX0g7otekn1KzUgdErxMKLQM=; b=cb/Aa6A5gNOklH oN8MewmD+azbnh+KTBviO4CI0m3F8qnwE4wCiBupK80QHJtzjhb5dNKvY9KAWlD5cqQQzxyCNPXL/ cmN8oB50fVT8RvfEfFyrAGIs+hCfuN0IxnhMl1ylsHujYZDn7s71FElDr5GWW018Vz5ihkyeZUMIq k2pDWMmWoJe7N4bnZKHgvCfapd78S9cj5Q83df0aHfFD86pZCgMyC2cWIoz3VmlLmfjGCxQWiJ8SW reWhhlfTtPymMQHNDGq8Hna/0FluiWnAfXImfes5u9bE5asXK9N7kSs3Y0Z/d+0Xr1HalJMlizaww iS/8QBLZH8ew3Eikp9hg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uVBo1-0000000FEi8-10Gl; Fri, 27 Jun 2025 16:20:01 +0000 Received: from out-180.mta0.migadu.com ([91.218.175.180]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uVB1U-0000000F6jA-3EvW for linux-riscv@lists.infradead.org; Fri, 27 Jun 2025 15:29:54 +0000 Message-ID: <530101b3-34d2-49bb-9a12-c7036b0c0a69@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1751038189; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=sLiuMRtcmExZlAb2vPZafFZMyEqiWSdyJ2XHpTWjryU=; b=jojdp3aJ6B+Xgwpz/k6+OhYLJXmPgXf95Us1PNv0bB6R1+gv6FBAjoT2fm5yhc9bnqacrM dJgOVT4u5v1BYJtWnvmK5l8QzMJqxt7gFKd8YtXf0nkUr4H7+W/qnhtPH/Z0E7K4fZlxiG YH3Sa6PrtnlBPZ17rz56nOlQAruaDLA= Date: Fri, 27 Jun 2025 23:29:11 +0800 MIME-Version: 1.0 Subject: Re: [PATCH v2 1/1] mm/rmap: fix potential out-of-bounds page table access during batched unmap Content-Language: en-US To: David Hildenbrand , Barry Song <21cnbao@gmail.com> Cc: akpm@linux-foundation.org, baolin.wang@linux.alibaba.com, chrisl@kernel.org, kasong@tencent.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, lorenzo.stoakes@oracle.com, ryan.roberts@arm.com, v-songbaohua@oppo.com, x86@kernel.org, huang.ying.caritas@gmail.com, zhengtangquan@oppo.com, riel@surriel.com, Liam.Howlett@oracle.com, vbabka@suse.cz, harry.yoo@oracle.com, mingzhe.yang@ly.com, stable@vger.kernel.org, Lance Yang References: <20250627062319.84936-1-lance.yang@linux.dev> <1d39b66e-4009-4143-a8fa-5d876bc1f7e7@linux.dev> <609409c7-91a8-4898-ab29-fa00eb36df02@redhat.com> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Lance Yang In-Reply-To: <609409c7-91a8-4898-ab29-fa00eb36df02@redhat.com> X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250627_082953_167259_718B3FC5 X-CRM114-Status: GOOD ( 21.54 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org CgpPbiAyMDI1LzYvMjcgMTg6MTMsIERhdmlkIEhpbGRlbmJyYW5kIHdyb3RlOgo+IE9uIDI3LjA2 LjI1IDA5OjM2LCBCYXJyeSBTb25nIHdyb3RlOgo+PiBPbiBGcmksIEp1biAyNywgMjAyNSBhdCA3 OjE14oCvUE0gTGFuY2UgWWFuZyA8bGFuY2UueWFuZ0BsaW51eC5kZXY+IHdyb3RlOgo+Pj4KPj4+ Cj4+Pgo+Pj4gT24gMjAyNS82LzI3IDE0OjU1LCBCYXJyeSBTb25nIHdyb3RlOgo+Pj4+IE9uIEZy 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