From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Subject: Re: KASAN: slab-out-of-bounds Read in bitmap_ip_ext_cleanup Date: Mon, 20 Jan 2020 20:46:15 +0300 Message-ID: <20200120174615.GE21151@kadam> References: <000000000000bdb5b2059c865f5c@google.com> <000000000000c795fa059c884c21@google.com> <20200120131930.pbhbsrm4bk4lq3d7@wittgenstein> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline In-Reply-To: <20200120131930.pbhbsrm4bk4lq3d7@wittgenstein> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane-mx.org@lists.infradead.org To: Christian Brauner Cc: mareklindner@neomailbox.ch, peterz@infradead.org, catalin.marinas@arm.com, a@unstable.cc, jcmvbkbc@gmail.com, syzbot , hpa@zytor.com, will@kernel.org, elena.reshetova@intel.com, hare@suse.com, johannes.berg@intel.com, florent.fourcot@wifirst.fr, x86@kernel.org, linux@armlinux.org.uk, kadlec@netfilter.org, coreteam@netfilter.org, geert@linux-m68k.org, allison@lohutok.net, pablo@netfilter.org, linux-arm-kernel@lists.infradead.org, linux-xtensa@linux-xtensa.org, arnd@arndb.de, heiko.carstens@de.ibm.com, syzkaller-bugs@googlegroups.com, bp@alien8.de, viro@zeniv.linux.org.uk, tglx@linutronix.de, mingo@redhat.com, christian@brauner.io, axboe@kernel.dk, chris@zankel.net, jeremy@azazel.net, sw@simonwunderlich.de, linux-api@vger.kernel.org, b.a.t.m.a.n@lists.open-mesh.org, fw@strlen.de, linux-kernel@vger.kernel.orgnetfilter List-Id: linux-api@vger.kernel.org On Mon, Jan 20, 2020 at 02:19:31PM +0100, Christian Brauner wrote: > On Sun, Jan 19, 2020 at 05:35:01PM -0800, syzbot wrote: > > syzbot has bisected this bug to: > > = > > commit d68dbb0c9ac8b1ff52eb09aa58ce6358400fa939 > > Author: Christian Brauner > > Date: Thu Jun 20 23:26:35 2019 +0000 > > = > > arch: handle arches who do not yet define clone3 > > = > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=3D1456fed1= e00000 > > start commit: 09d4f10a net: sched: act_ctinfo: fix memory leak > > git tree: net > > final crash: https://syzkaller.appspot.com/x/report.txt?x=3D1656fed1= e00000 > > console output: https://syzkaller.appspot.com/x/log.txt?x=3D1256fed1e00= 000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=3D7e89bd00623= fe71e > > dashboard link: https://syzkaller.appspot.com/bug?extid=3D6491ea8f6dddb= f04930e > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=3D141af959e= 00000 > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=3D1067fa85e00= 000 > > = > > Reported-by: syzbot+6491ea8f6dddbf04930e@syzkaller.appspotmail.com > > Fixes: d68dbb0c9ac8 ("arch: handle arches who do not yet define clone3") > > = > > For information about bisection process see: https://goo.gl/tpsmEJ#bise= ction > = > This bisect seems bogus. > = Yeah. J=F3zsef Kadlecsik already fixed the bug in a different thread. It was reported as seven different bugs so there was a bunch of threads for it. regards, dan carpenter