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Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <2362635.1726655653@warthog.procyon.org.uk> References: <2362635.1726655653@warthog.procyon.org.uk> <202409131438.3f225fbf-oliver.sang@intel.com> <1263138.1726214359@warthog.procyon.org.uk> <20240913-felsen-nervig-7ea082a2702c@brauner> To: Oliver Sang Cc: dhowells@redhat.com, Christian Brauner , Steve French , oe-lkp@lists.linux.dev, lkp@intel.com, Linux Memory Management List , "Jeff Layton" , netfs@lists.linux.dev, linux-fsdevel@vger.kernel.org Subject: Re: [linux-next:master] [netfs] a05b682d49: BUG:KASAN:slab-use-after-free_in_copy_from_iter Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <2364478.1726658868.1@warthog.procyon.org.uk> Content-Transfer-Encoding: quoted-printable Date: Wed, 18 Sep 2024 12:27:48 +0100 Message-ID: <2364479.1726658868@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 David Howells wrote: > Does this: > = > https://lore.kernel.org/linux-fsdevel/2280667.1726594254@warthog.procyon= .org.uk/T/#u > = > [PATCH] cifs: Fix reversion of the iter in cifs_readv_receive() > = > help? Actually, it probably won't. The issue seems to be one I'm already trying= to reproduce that Steve has flagged. Can you tell me SMB server you're using? Samba, ksmbd, Windows, Azure? I= 'm guessing one of the first two. Also, will your reproducer really clobber four arbitrary partitions on sdb= ? David