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Wed, 24 Dec 2025 04:26:14 -0800 (PST) Message-ID: Date: Wed, 24 Dec 2025 13:25:50 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 00/12] mm/kasan: make kasan=on|off work for all three modes To: Baoquan He , Andrey Konovalov Cc: 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 References: <20251128033320.1349620-1-bhe@redhat.com> Content-Language: en-US From: Andrey Ryabinin In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 > > I am organizing patches and testing them for reposting, but still see > the sw_tags breakage during boot on arm64 system. If you have the > pointer about the fix, I can grab the possible unmature code change to > make sw_tags mode work to finish my testing. > > Thanks > Baoquan >