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Fri, 20 Dec 2024 01:15:18 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Alexander Potapenko Date: Fri, 20 Dec 2024 10:14:41 +0100 Message-ID: Subject: Re: Kernel Bug: "KASAN: slab-out-of-bounds Read in jfs_readdir" To: Haichi Wang Cc: paulmck@kernel.org, rientjes@google.com, josh@joshtriplett.org, dvyukov@google.com, akpm@linux-foundation.org, linux-fsdevel@vger.kernel.org, mathieu.desnoyers@efficios.com, andreyknvl@gmail.com, peterz@infradead.org, jfs-discussion@lists.sourceforge.net, bp@alien8.de, linux-mm@kvack.org, cl@linux.com, joel@joelfernandes.org, iamjoonsoo.kim@lge.com, jiangshanlai@gmail.com, viro@zeniv.linux.org.uk, kasan-dev@googlegroups.com, mingo@redhat.com, tglx@linutronix.de, luto@kernel.org, neeraj.upadhyay@kernel.org, urezki@gmail.com, roman.gushchin@linux.dev, vbabka@suse.cz, linux-kernel@vger.kernel.org, jack@suse.cz, rcu@vger.kernel.org, boqun.feng@gmail.com, x86@kernel.org, frederic@kernel.org, vincenzo.frascino@arm.com, rostedt@goodmis.org, 42.hyeyoo@gmail.com, shaggy@kernel.org, penberg@kernel.org, dave.hansen@linux.intel.com, hpa@zytor.com, brauner@kernel.org, qiang.zhang1211@gmail.com, ryabinin.a.a@gmail.com, syzkaller Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Queue-Id: 88C2C14000A X-Stat-Signature: 9dqra7wpebkkky4qur8b7opp98wcerrw X-Rspam-User: X-Rspamd-Server: rspam11 X-HE-Tag: 1734686093-859205 X-HE-Meta: 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 vlM2LWgb CXADRpV9M3VMU+A37RVoad8dKYjyOJXQr6YFAXzlWBJXsquhmPqG+QtqO6bot+OUXKLqV14dA7vhPOGsJ1hZ3aRCvWBsW/Xrxg9dkjhz2WKlNDuYiGE6elM8VzpBhOI1YRsmE4/PwAvkyGkSrIHAY40zV738La6ElkY5ABGVmEo+4PB4EB5T+ozOJgYPyCEdYy6J/g/u1GqfFkSIeSFFxgm/itlBHfOqAPiAriN+AeSj2U4FVE85ieA1J4YvmXBcpR9QkWEWjUWujTcSauGO51oDWinFgCxE5fYTuLbf4+lH8sevjjXbhdlOJeQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.207585, 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 Fri, Dec 20, 2024 at 9:07=E2=80=AFAM Haichi Wang = wrote: > > Dear Linux maintainers and reviewers: > > We are reporting a Linux kernel bug titled **KASAN: slab-out-of-bounds Re= ad in jfs_readdir**, discovered using a modified version of Syzkaller. > Hello Haichi, Unfortunately right now the bug is not actionable, because one needs to download 180Mb of archives just to look at it and decide whether they know anything about it or not. Could you at least post the symbolized KASAN report?