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Thu, 25 Dec 2025 02:26:29 +0000 (UTC) Received: from localhost (unknown [10.72.112.137]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 9F37A30001B9; Thu, 25 Dec 2025 02:26:27 +0000 (UTC) Date: Thu, 25 Dec 2025 10:26:23 +0800 From: Baoquan He To: Andrey Ryabinin Cc: Andrey Konovalov , linux-mm@kvack.org, glider@google.com, dvyukov@google.com, vincenzo.frascino@arm.com, akpm@linux-foundation.org, kasan-dev@googlegroups.com, linux-kernel@vger.kernel.org, kexec@lists.infradead.org, elver@google.com, sj@kernel.org, lorenzo.stoakes@oracle.com, snovitoll@gmail.com, christophe.leroy@csgroup.eu Subject: Re: [PATCH v4 00/12] mm/kasan: make kasan=on|off work for all three modes Message-ID: References: <20251128033320.1349620-1-bhe@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 11EEDA0007 X-Stat-Signature: uftjcu4kad3oxwmofbbgb7r8mkkom4xs X-Rspam-User: X-HE-Tag: 1766629598-127652 X-HE-Meta: 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 K7dT+OzO 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 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 12/24/25 at 01:25pm, Andrey Ryabinin wrote: > > > On 12/24/25 4:28 AM, Baoquan He wrote: > > Hi Andrey, > > > > On 12/04/25 at 05:38pm, Andrey Konovalov wrote: > >> On Fri, Nov 28, 2025 at 4:33 AM Baoquan He wrote: > >>> > > ...snip... > >>> Testing: > >>> ======== > >>> - Testing on x86_64 and arm64 for generic mode passed when kasan=on or > >>> kasan=off. > >>> > >>> - Testing on arm64 with sw_tags mode passed when kasan=off is set. But > >>> when I tried to test sw_tags on arm64, the system bootup failed. It's > >>> not introduced by my patchset, the original code has the bug. I have > >>> reported it to upstream. > >>> - System is broken in KASAN sw_tags mode during bootup > >>> - https://lore.kernel.org/all/aSXKqJTkZPNskFop@MiWiFi-R3L-srv/T/#u > >> > >> This will hopefully be fixed soon, so you'll be able to test. > > > > Do you have the patch link of the fix on sw_tags breakage? > > I think this one should fix it - https://lkml.kernel.org/r/cover.1765978969.git.m.wieczorretman@pm.me Awesome, let me apply them and test. Many thanks.