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Wed, 22 Nov 2023 19:13:18 -0800 (PST) MIME-Version: 1.0 References: <20231122231202.121277-1-andrey.konovalov@linux.dev> In-Reply-To: From: Andrey Konovalov Date: Thu, 23 Nov 2023 04:13:07 +0100 Message-ID: Subject: Re: [PATCH mm] slub, kasan: improve interaction of KASAN and slub_debug poisoning To: Hyeonggon Yoo <42.hyeyoo@gmail.com> Cc: andrey.konovalov@linux.dev, Andrew Morton , Marco Elver , Alexander Potapenko , Dmitry Vyukov , Vlastimil Babka , kasan-dev@googlegroups.com, Evgenii Stepanov , Oscar Salvador , Feng Tang , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Stat-Signature: jesu8kfntrrbqhku57xbmswubkwizmd5 X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: DDD9AC000F X-Rspam-User: X-HE-Tag: 1700709199-261845 X-HE-Meta: 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 le1asxBP 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000003, 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 Thu, Nov 23, 2023 at 3:58=E2=80=AFAM Hyeonggon Yoo <42.hyeyoo@gmail.com>= wrote: > > 1. I reverted the commit "kasan: improve free meta storage in Generic KAS= AN", > on top of linux-next (next-20231122), and it is still stuck at boot. This is expected: the patch you bisected to still requires this fix that I posted. > 2. I reverted the commit "kasan: improve free meta storage in Generic KAS= AN", > on top of linux-next (next-20231122), > _and_ applied this patch on top of it, now it boots fine! Great! Thank you for testing!